Engineering Journal Jobs in Utah

Job Title : Nuclear Engineer (Naval Reactors Engineer) Category / Component : Officer • Active Overview Design, regulate, and oversee the Navy's nuclear propulsion program, including reactor design, fleet operations, and eventual defueling and decommissioning of nuclear powered ships and submarines from Naval Reactors Headquarters and associated Department of Energy laboratories and shipyards.

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design, reactor physics, materials development, component design for steam generators, pumps, and valves, instrumentation and control for reactor and propulsion plants, testing and quality control, radiation shielding, and chemistry and radiological controls; review designs and analyses from laboratories, shipyards, and industry partners; coordinate with fleet units to ensure safe and reliable nuclear plant operation.

What to Expect Assume significant technical responsibility early in your career as part of a lean headquarters staff; work primarily in an analytical and oversight role rather than operating plants at sea; balance long term engineering projects with time sensitive fleet and shipyard issues; frequent coordination with senior civilian engineers, naval officers, and technical teams; high expectations for attention to detail, judgment, and written and oral communication.

Work Environment Work mainly at Naval Reactors Headquarters in the Washington, District of Columbia area with regular engagement with Department of Energy laboratories, nuclear training sites, shipyards, and nuclear powered ships and submarines; office based work that includes document reviews, technical meetings, inspections, and site visits rather than day to day shipboard watchstanding.

Pathways, Training & Advancement Officer commissioning through programs such as Officer Candidate School or the Nuclear Propulsion Officer Candidate program followed by a structured technical qualification program at Naval Reactors; rotational exposure to laboratories, prototypes, shipyards, and fleet support issues; progressive responsibility leading projects and becoming a subject matter expert, with opportunities for professional military education and advanced graduate study in technical fields.

Entry through the Nuclear Propulsion Officer Candidate program for qualified college students and recent graduates, or selection via Officer Candidate School for those who already hold qualifying degrees; all applicants must meet Nuclear Propulsion Program academic and technical screening standards in addition to general officer commissioning requirements.

Qualifications All Navy jobs require meeting general enlistment or commissioning standards, which typically include: Eligibility to serve in the United States Navy, which may involve United States citizenship or other legal residency and work status, depending on the program and current law and policy A high school diploma or equivalent for enlisted positions, and a bachelor's or qualifying professional degree for officer positions Meeting age limits that vary by program and are set in law and Navy policy.

Some communities have more restrictive age ranges Meeting medical, vision, and dental standards, including body composition and physical fitness requirements, with some jobs requiring more demanding standards Meeting character and conduct standards, including background screening Achieving required test scores for your program, such as the Armed Services Vocational Aptitude Battery for enlisted roles or officer qualification tests for officer programs Eligibility for a security clearance when required for your rating or designator Additional qualifications can include specific skills, education, licensure, or experience that are unique to a job or community and will be reviewed with you by a recruiter.

Additional qualifications for this job may include: Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely related field that includes strong backgrounds in calculus and physics; outstanding academic record, particularly in technical coursework; United States citizenship and eligibility for a high level security clearance; strong technical aptitude and comfort with detailed analytical work.

Education Education benefits are available through standard Navy programs such as Tuition Assistance, the Post-9/11 GI Bill, ACE-recommended college credit for Navy training, Navy COOL-funded certifications, USMAP apprenticeships, and other Navy College Program opportunities.

Specific options depend on the Sailor's status, training, and current Navy policy.

Pay, Benefits & Service Pay, benefits, and service commitments follow standard Navy Active and/or Reserve policies for this type of role, including basic pay, allowances when eligible, health coverage, and retirement options.

Exact entitlements, special pays, and service obligations depend on program, component, years of service, and current law and Navy guidance.

Incentives Incentives such as bonuses, special pays, and loan repayment may be available at times for specific ratings or communities, but they change frequently and cannot be guaranteed.

Applicants must confirm current incentives and eligibility with an official Navy recruiter or authoritative Navy source.

Notes and Disclaimers This description is a general overview of typical duties, training, and opportunities in this community.

It does not replace official Navy instructions, policies, or contracts and does not guarantee specific assignments, training, incentives, or outcomes.

Actual opportunities depend on Navy needs, individual performance, screening results, and current law and policy.

Sales Engineer

Location: Ogden, UT – Onsite

Our client is seeking a Sales Engineer specializing in structural steel and preconstruction to join their team in Ogden, Utah. This hybrid technical and commercial role plays a critical part in winning new structural steel projects and shaping them for successful execution. Do you enjoy combining engineering expertise with client-facing collaboration? Are you passionate about structural steel construction, design-assist projects, and solving complex buildability challenges? Do you thrive when working with owners, contractors, and engineers to develop smart, cost-effective project solutions? If yes, this may be the perfect Sales Engineer position for you. Keep scrolling to see what this company has to offer.

The Perks!

• Compensation: $110,000 - $150,000, based on experience
• Health, dental, and vision insurance benefits
• 401k + company matching
• Paid time off
• Travel and gas reimbursement

A Day in the Life of the Sales Engineer

In this role, you’ll operate at the intersection of engineering, preconstruction, and business development. You’ll help shape structural steel projects during the pursuit phase by developing buildable solutions, supporting estimating and pricing strategies, and serving as the technical expert during client conversations. Your work helps ensure projects are not only won, but structured for safe, efficient, and profitable execution.

Responsibilities include:

• Review bid documents including structural drawings, specifications, and contract requirements
• Identify scope gaps, exclusions, clarifications, and potential risk items related to structural steel fabrication and erection
• Provide technical input to estimating teams including tonnage assumptions, connection design approaches, and temporary works considerations
• Contribute to pricing strategies by identifying major cost drivers and risk factors
• Participate in go/no-go evaluations and pursuit planning
• Serve as the technical representative during meetings with owners, general contractors, architects, and engineers of record
• Present structural steel solutions, means and methods, and value engineering opportunities
• Support negotiated work, design-assist, and design-build pursuits
• Translate project goals into constructible and cost-effective steel solutions
• Participate in early-stage coordination with design teams to influence structural systems and sequencing
• Assist with development of delegated design scopes where applicable
• Collaborate with internal engineering and detailing teams to ensure alignment with execution capabilities
• Coordinate with estimating, fabrication, erection, and project management teams throughout pursuits
• Document assumptions, exclusions, and scope definitions for smooth project handoff after award

Requirements and Qualifications:

• Bachelor’s degree in Civil Engineering, Structural Engineering, or related field
• Strong working knowledge of structural steel systems, fabrication, erection, and design
• Ability to read and interpret structural drawings, specifications, and contract documents
• Experience evaluated steel constructibility factors such as erection sequencing, crane access, or temporary bracing
• Strong communication skills with the ability to explain technical concepts to non-technical audiences
• Professional Engineer (PE) license or Engineer-in-Training (EIT) preferred
• Experience collaborating with owners, general contractors, and engineers during project pursuits preferred

About the Hiring Company:

Our client is a respected structural steel contractor known for delivering complex steel fabrication and erection projects across a variety of markets. Their team emphasizes collaboration between engineering, preconstruction, and operations to create efficient, constructible solutions for their clients. With a strong reputation for technical expertise and project execution, they continue to grow through strategic partnerships and innovative project delivery.

Come Join Our Preconstruction Team!

Start by filling out this 3-minute, mobile-friendly application here. We look forward to hearing from you!

My Client, a mid-size turnkey Engineering, Procurement and Construction specialist providing critical infrastructure services to the energy and utilities markets across the USA, is looking for a Project Field Engineer with a Civil background for a project in Delta UT.

The ideal candidate will have a minimum of 5 years of relevant experience in the field and will be responsible for supporting electrical substations construction teams. To be considered you must have completed 3 full projects at least and have a stable work history. This role requires a deep understanding of civil engineering principles, and the ability to work collaboratively with various stakeholders to ensure the successful completion of projects. The position is required to provide technical guidance and support to the client's construction teams, as well as be the teams direct link back to the broader engineering team on the project.

Duties

• Acting as the main technical expert on site, offering guidance to construction crews and subcontractors
• Making sure that the project adheres to engineering and design specifications, industry standards, and construction regulations
• Working independently or as part of the construction team to handle issues that arise.
• Support the resolution of construction issues, deviations from plans, unforeseen challenges, and collaborate with the Design team.
• Identifying potential risks and implementing preventive measures to minimize project delays, cost overruns and safety hazards.
• Processing of submittals and RFI’s
• Maintain accurate project documentation for field markup
• Support plan review and approval process with local and state municipalities, as required
• Report to Project Engineering Manager and Project Manager on status of open issues
• Performs any other duties assigned
• Adheres to internal standards, policies, and procedures

Preferred Experience and Education

• Minimum 5 years of relevant field experience in the Construction of large high voltage substations
• A Electrical or Civil Engineering Degree is essential
• Strong technical background in the installation of electrical equipment and associated subsystems
• Familiarity with high, medium and low voltage installations, substation design, grounding
• Ability to collaborate with project team members and client entities, demonstrating the leadership capabilities to ensure a successful project
• Excellent written and oral skills are required
• P.E. license is not required, but preferred

Travel Requirements

• Travel: Yes
• Percent of Time: 10%

A Vehicle will be provided and when travelling a per diem will be issued

Locations: Onsite at Hill Air Force Base (Ogden, UT)

Illumination Works is looking for an OT System Administrator to be responsible for the maintenance, configuration, and reliable operation of systems and networks supporting industrial operations. This includes monitoring, securing, and optimizing OT infrastructure such as SCADA systems, HMIs, PLC networks, and industrial control systems (ICS) to ensure uninterrupted production and compliance with cybersecurity best practices.

The key responsibilities of an OT System Administrator include:

• Administer and support OT systems including SCADA, PLCs, HMIs, RTUs, and DCS within government-operated facilities
• Support and manage OT networks and ensure compliance with government cybersecurity frameworks (e.g. NIST 800-82, CISA guidelines, FISMA)
• Maintain availability, integrity, and security of OT networks and systems
• Apply patches, updates, and backups to OT hardware/software in accordance with change management procedures
• Monitor OT network performance and diagnose, resolve, and document system issues
• Work closely with IT teams to ensure segmentation and appropriate integration between IT and OT networks
• Maintain hardware/software inventory and OT network diagrams
• Assist in disaster recovery planning and implementation for OT environments
• Ensure compliance with regulatory and internal standards related to industrial control systems
• Participate in 24/7 on-call rotation for critical system support

Do you have what it takes? Are you driven to implement creative solutions that unravel complex and ever-changing challenges? We value passion, curiosity, and perseverance with an ability to communicate ideas and results to diverse audiences. We look for people who thrive in collaborative and independent assignments, have the aptitude to learn new data quickly, and who are willing to mentor junior team members.

Key skills we look for include:

• Must have 3+ years of experience in a systems administration or network administration role, preferably within an OT/ICS environment
• Strong knowledge of Windows Server, Active Directory, and networking protocols (TCP/IP, VLANS, firewalls)
• Working knowledge of Windows/Linux system administration in operational environments
• Familiarity with industrial protocols such as Siemens, Allen-Bradley, BacNet, Modbus, OPC, DNP3, and Ethernet/IP
• Experience with SCADA systems (e.g. GE, Schneider, Siemens, Emerson) and OT asset management tools
• Familiarity with Kepware
• Experience with virtualization (VMware, Hyper-V), AWS, and backup solutions
• Familiarity with cybersecurity best practices and government cybersecurity mandates (e.g. NIST, CISA)
• Experience with endpoint protection, intrusion detection/prevention systems (IDS/IPS), and SIEM tools in OT environments
• Understanding of data frequencies
• Strong analytical and diagnostic skills
• Ability to work independently and collaboratively in cross-functional teams
• Excellent communication skills, both verbal and written
• Detail-oriented with a proactive approach to systems reliability and security
• Must have Security + certification. Other certifications such as CySA+, Cisco CCNA/CCNP, GIAC Global Industrial Cyber Security Professional (GICSP), or ISA/IEC 62443-related credentials are a plus
• Must have or be willing to obtain Secret Clearance (this requires US citizenship)
• Acceptable candidates must successfully pass a drug test and background screen

About Illumination Works

At Illumination Works, we know data, and we should, we’ve been doing it since we started in 2006! We specialize in everything data from big data to data science, data engineering, software engineering, and cloud design. We are a trusted technology partner in user-centered digital transformation—delivering impactful business results to clients. We partner with customers to solve their unique technology and data challenges and stay on top of modern technologies and advancements leveraging our Innovation Lab. Check out our website to learn more at choose us? We invest in our employees in all aspects of their life and we value family. We offer market competitive salary, a generous PTO package, and comprehensive medical, dental, vision and life insurance plans. We also offer 401K, short/long-term disability insurance, a fun and engaging culture, and training opportunities to keep you up to speed on the latest technologies.

Illumination Works is committed to hiring and retaining the best workforce. We hire the best talent for our customers’ needs. We make our hiring decisions without regard to race, color, religion, sexual orientation, gender identity or national origin, age, veteran status, disability, or any other protected class. Acceptable candidates must successfully pass a drug test and background screen.

Job description:

Plant Manager | Polymer Extrusion Facility

We are seeking a technically savvy Plant Manager to lead our polymer extrusion operations. If you’re the kind of leader who knows that a plant runs on both high-performance machinery and high-performing people, we want to talk to you.

As the Plant Manager, you won't just be overseeing a floor; you’ll be the architect of our production efficiency, the guardian of our safety culture, and the driver of continuous improvement.

The Role: What You’ll Do

• Drive Production Excellence: Manage the daily operations of multiple extrusion lines to meet (and exceed) production targets while maintaining strict quality standards.
• Optimize Technical Processes: Oversee material blending, die setups, and cooling parameters. You should be comfortable "talking shop" regarding polymer rheology and mechanical troubleshooting.
• Lead & Mentor: Foster a culture of accountability and professional growth across production supervisors, maintenance tech, and operators.
• Budget & P&L Ownership: Manage the plant’s bottom line, including labor costs, raw material waste (scrap reduction), and CAPEX projects.
• Safety First: Ensure 100% compliance with OSHA standards and internal safety protocols. No product is worth a person’s well-being.
• Continuous Improvement: Implement Lean Manufacturing or Six Sigma methodologies to reduce downtime and optimize changeover speeds.

What You Bring to the Table

• Experience: 7+ years in a manufacturing leadership role, specifically within polymer extrusion (profile, sheet, film, or tubing).
• Technical Knowledge: A deep understanding of single/twin-screw extruders, downstream equipment, and resin behavior (PE, PP, PVC, etc.).
• Problem-Solving Skills: You don't just see a bottleneck; you find the root cause and fix it permanently.
• Education: Bachelor’s degree in Engineering (Mechanical, Chemical, or Plastics) or a related technical field is preferred.
• Communication: The ability to explain complex technical issues to stakeholders and motivate a diverse workforce on the floor.

American Equipment Holdings, is one of the leading overhead crane solutions providers in the United States. Over the years, our ability to grow and set ourselves apart from the competition is the result of a tried and true philosophy – take care of our customers and take care of our people.

We also believe that our people matter, which is why we are committed to providing our team members with competitive wages, attractive benefit offerings, and abundant training offerings. As one of the fastest growing companies in our industry, new opportunities are regularly available that enable our team members to develop, grow, and pursue their career passions.

We are looking for a Mobile Crane Technician for our Salt Lake City, UT branch.

Responsibilities:

• Perform on-site preventative maintenance, repairs on mobile cranes and rolling stock equipment.
• Spend time consulting with customers on repair and safety related issues
• Troubleshoot equipment malfunctions and breakdowns.
• Generate sales leads during service calls
• Accurately and neatly document on the service report for the work performed.
• Inspecting cranes and not limited to inspections on different types of mobile equipment.
• Maintain a clean and safe work environment.
• Travel maybe required in the Casper/Gillette/Cheyenne region. Work vehicle provided.

Required Skills/Abilities

• Strong knowledge of hydraulics, diesel and gas engine theory. DC automotive power.
• A minimum of 2-year hands-on mobile equipment, auto, repair, trouble shooting.
• Must supply own standard tools not limited to. Wrenches up to 1", pliers, screw drivers, socket set to 1"
• Aptitude for both electrical and mechanical environments as well as familiarity with mechanical and electrical equipment
• Willingness to work overtime
• Possession of a valid driver’s license with good driving record
• Must pass drug-screen and background check
• Strong communication skills
• Proven commitment to safety
• Comfort with working at heights
• Experience in Variable Frequency drives and PLC programming a plus
• Experience in working with or around mobile cranes, overhead cranes a plus.
• Crane maintenance experience a plus.

Company service vehicle, cell phone, fuel card provided. Company provided PPE, annual Tool Reimbursement Program, stipend on work boots. American Equipment provides a full and generous benefits package! Hourly wage for this role may increase based on experience.Schedule:

• 8 hour shift
• Monday to Friday
• On call/Overtime available
• Weekend availability

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.
American Equipment Holdings is an organization of leading overhead crane and hoist, industrial weighing, and below-the-hook service providers in the United States. Together, our companies provide comprehensive solutions for everything related to customers’ overhead crane and hoist, rigging, and weighing and measurement needs, including OSHA mandated inspections, preventative maintenance and repair field services, parts, engineering, ISO certified fabrication, new and replacement equipment, automated systems, system modernizations and training. American Equipment Holdings is one the largest and fastest growing companies in our space with more than 800 dedicated team members that serve thousands of customers throughout the United States.

Proof of right to lawfully work in the United States required.

We are proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Compensation details: 28-44 Hourly Wage

PI90c457a33975-37344-39601890

About ZB Designs & Wigglitz:

ZB Designs is scaling fast and building elite teams to run each part of our business with precision. Wigglitz is one of our flagship brands, growing quickly with real demand and strong momentum.

We don’t hire for “help.”

We hire operators who take ownership, execute fast, and raise the standard.

About the Role:

We are hiring an E-Commerce Operations Lead to own the execution layer of our Shopify business. This role is responsible for the systems, structure, and operational discipline that turns demand into measurable revenue.

This is not a creative role.

This is not a general marketing role.

This is an ownership role focused on execution, infrastructure, and performance.

You will work closely with our internal leadership team, including our newly hired VP of Sales, to ensure ecommerce becomes a clean, scalable growth engine.

Responsibilities:

Shopify & Site Operations

• Own Shopify backend operations end-to-end
• Maintain site architecture, app stack, checkout logic, and merchandising structure
• Ensure site performance is stable, fast, and conversion-ready

Product, Catalog, and SKU Execution

• Manage product setup, collections, bundles, variants, and launches
• Maintain clean SKU organization and merchandising logic
• Own product lifecycle execution from launch through scale

Inventory + Demand Coordination

• Monitor sell-through and inventory pacing
• Flag risks early and align availability with demand
• Support forecasting and launch quantity planning

Launch Readiness and Execution

• Own launch calendars, checklists, and go-live coordination
• Partner with creative, ops, and agency teams to ensure clean execution
• Run post-launch performance reviews and improvement cycles

Analytics and Revenue Reporting

• Track conversion rate, AOV, product performance, and funnel metrics
• Maintain dashboards and reporting accuracy
• Execute testing and optimization initiatives

Operational Excellence

• Build SOPs, workflows, and repeatable systems
• Reduce chaos and ensure nothing breaks as we scale
• Be the owner of ecommerce execution discipline

What Success Looks Like

In the first 30–60 days, success means:

• Shopify operations are organized, stable, and scalable
• Launch execution becomes repeatable and clean
• Inventory and merchandising decisions improve revenue outcomes
• Leadership has clear visibility into ecommerce performance
• Conversion and operational efficiency begin moving upward quickly

Qualifications

Required Skills

• Extremely organized, systems-minded, and execution-focused
• Strong comfort with data, dashboards, and revenue math
• Ability to move fast without creating chaos
• Ownership mentality: you don’t wait to be told

Preferred Skills

• Shopify / Shopify Plus
• GA4, Tag Manager, attribution tools
• Inventory and merchandising systems
• Ecommerce analytics and reporting

The Field Sales Representative is responsible for achieving assigned sales objectives by promoting TPC Wire & Cable products and strategic initiatives to customers in industrial environments. This role requires regular on-site interaction with end-user customers and effective communication in active industrial settings. The position operates remotely from a home office and requires frequent travel within an assigned geographic territory.

Key Responsibilities

• Collaborate with the direct manager to identify growth opportunities and support key business strategies
• Communicate product features, benefits, and total cost of ownership to end-user customers in industrial environments
• Develop and execute a territory plan to maximize customer engagement and drive new sales
• Expand market share within existing accounts and develop new strategic and high-potential accounts
• Conduct customer meetings, plant walk-throughs, and product discussions in compliance with customer safety requirements
• Forecast revenue, track sales opportunities, and monitor market trends within the assigned territory
• Maintain accurate records of sales activities and customer interactions
• Perform other job-related duties as assigned

Work Environment

This position regularly involves visits to active industrial facilities, including manufacturing plants, mills, processing plants, and warehouses. The work environment may include:

• Exposure to heat, humidity, dust, noise, vibration, and flashing or rotating lights
• Proximity to operating machinery, moving equipment, and industrial vehicles
• Varying lighting conditions and uneven walking surfaces

Physical Demands

The physical demands described below represent those that are essential to the role and may be performed with or without reasonable accommodation:

• Ability to move throughout large industrial facilities to meet with customers
• Ability to stand, walk, and navigate stairs or platforms during site visits
• Ability to communicate effectively in environments with elevated noise levels
• Ability to visually observe equipment, surroundings, and safety signage
• Ability to operate standard office equipment and mobile technology

Qualifications

• 5+ years of outside sales experience, preferably in an industrial environment
• Demonstrated ability to meet or exceed sales objectives
• Strong communication, organizational, and time management skills
• Ability to sell value and total cost of ownership
• Ability to work remotely and travel within an assigned territory
• Bachelor’s degree in business, industrial distribution, engineering/technology, or a related field, or equivalent experience
• Previous experience managing a geographic sales territory preferred
• Industrial wire and cable sales experience is a plus

TPC Wire & Cable Corp. is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability, protected veteran status, or any other protected characteristic.

We are seeking individuals to review and provide feedback on everyday money-management tips. This role focuses on common financial challenges such as managing expenses, reducing spending, and making smarter financial choices.

You will review examples of budgeting methods and evaluate practical ideas people use to stretch their income. The goal is to understand which approaches work best for real households.

The work is flexible and fully online. Applicants should have an interest in budgeting, saving money, or improving financial habits.

No formal finance background is required.

My Client, a mid-size turnkey Engineering, Procurement and Construction specialist providing critical infrastructure services to the energy and utilities markets across the USA, is looking for a Project Field Engineer specializing in substation projects, for a project in Delta UT.

The ideal candidate will have a minimum of 5 years of relevant experience in the field and will be responsible for supporting electrical substations construction teams. To be considered you must have completed 3 full projects at least and have a stable work history. This role requires a deep understanding of electrical engineering principles, and the ability to work collaboratively with various stakeholders to ensure the successful completion of projects. The position is required to provide technical guidance and support to the client's construction teams, as well as be the teams direct link back to the broader engineering team on the project.

Duties

• Acting as the main technical expert on site, offering guidance to construction crews and subcontractors
• Making sure that the project adheres to engineering and design specifications, industry standards, and construction regulations
• Working independently or as part of the construction team to handle issues that arise.
• Support the resolution of construction issues, deviations from plans, unforeseen challenges, and collaboration with the Design team for resolutions
• Identifying potential risks and implementing preventive measures to minimize project delays, cost overruns and safety hazards.
• Processing of submittals and RFI’s
• Maintain accurate project documentation for field markup
• Support plan review and approval process with local and state municipalities, as required
• Report to Project Engineering Manager and Project Manager on status of open issues
• Performs any other duties assigned
• Adheres to internal standards, policies, and procedures

Preferred Experience and Education

• Minimum 5 years of relevant field experience in the construction of large high voltage substations
• An Electrical Engineering degree is essential
• Strong technical background in the installation and operation of electrical equipment and associated subsystems
• Familiarity with high, medium and low voltage installations, substation design, grounding, protection
• Ability to collaborate with project team members and client entities, demonstrating the leadership capabilities to ensure a successful project
• Excellent written and oral skills are required
• P.E. license is not required, but preferred

Travel Requirements

• Travel: Yes
• Percent of Time: 10%

A Vehicle will be provided, and when travelling a per diem will be issued