Engineering Jobs in Littleton Co Flexible

Job ID: 521625

Non-Exempt

Oldcastle Infrastructure™, a CRH company, is the leading provider of utility infrastructure solutions for the water, energy, and communications markets throughout North America. We’re more than just a manufacturer of precast concrete, polymer concrete, or plastic products. We’re a trusted and strategic partner to engineers, contractors, distributors, specifiers, and more. With our network of more than 80 manufacturing facilities and more than 4,000 employees, we’re leading the industry with innovation and a safety-first mindset.

Job Summary

The successful candidate will be responsible for preparing and modifying drawings per specifications and customer requirements. Prepare/maintain accurate catalog drawings and digital library for website. Work closely with Division Engineer, Sales, Production and Quality Control to ensure the product is built according to the latest part or shop drawings.

Job Locations

• This position will be based out of our office in Littleton, CO.

Job Responsibilities

• Create Shop Drawings of products using 2D or 3D drafting
• Create special manufacturing drawings for immediate production
• Adhere to customer (Internal and External) volumes, timelines and expectations
• Prepare, modify, and maintain accurate catalog drawings from existing and new products for production and Quality Control
• Prepare product assembly or shop drawings for existing/new products as needed for sales staff and special drawings for plant projects as needed
• Update/maintain digital database, i.e. Autodesk vault, cloud server, hard-copies and engineering documents
• Other duties may be assigned as needed

Job Requirements

• 2+ years of relevant experience with AutoCAD/Autodesk Inventor
• High school diploma or equivalent required/Associates Degree preferred
• Must possess the ability to read and interpret sketches, construction, and civil plans
• Ability to review and understand contract drawings and specifications
• Proficient in all Microsoft Office
• Basic mathematical skills
• Must be detail orientated and able to handle several projects at once with minimum help or guidelines from department from start to finish

Compensation

• Salary ranges from $27-$34/hr + 5% annual bonus
• Vacation hours of two weeks per year
• Sick leave benefits up to 56 hours per annum
• 401k plan
• Short-term and long-term disability benefits
• 11 paid holidays per year
• Annual community volunteer paid day

What CRH Offers You

• Highly competitive base pay
• Comprehensive medical, dental and disability benefits programs
• Group retirement savings program
• Health and wellness programs
• An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

If you’re up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!

Oldcastle Infrastructure, a CRH Company, is an Affirmative Action and Equal Opportunity Employer.

EOE/Vet/Disability

CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.

Lightwave Logic: (Nasdaq: LWLG) is a publicly traded materials and device development company that is conducting cutting-edge work to commercialize its proprietary organic nonlinear polymers for a variety of electro-optic devices and pushing the state of the art in high-speed fiber-optic telecom and data communications. Our development roadmap is geared to disrupt the industry by introducing organic modulators and related photonic integrated circuits that have superior speed, lower power consumption, and smaller size than current technologies. Our materials and devices are extendable into other applications, including sensors and instrumentation.

Job Description

We are seeking a Process Chemist to join our team in Englewood, CO. The Process Chemist designs, develops, optimizes, and scales chemical processes for the pilot to large-scale manufacturing of intermediate and finished products. The Process Chemist leverages their expertise in ensuring that chemical processes are developed so that the chemical reaction(s) is carried out efficiently, safely, and economically, and are within quality and regulatory compliance. By staying current with scientific literature and collaborating across teams, they drive innovation and efficiency. This role involves supporting IP development, maintaining safety standards, and contributing significantly to the team's success in achieving company goals.

Responsibilities

• Designing, developing, and optimizing chemical processes to improve efficiency, yield, and product quality.
• Conducts laboratory experiments to understand chemical reactions and improve process conditions.
• Ensure that chemical processes comply with regulatory requirements and safety standards.
• Conduct small, pilot, or large-scale manufacturing of intermediates and/or finished products.
• Write/execute technical reports, standard operating procedures, and batch records.
• Ability to work second shift, when needed.
• Remain current on relevant scientific literature.
• Work collaboratively with colleagues across the company; use this collaboration to support the company's goals and improve the chemistry team's output.
• Punctually and thoroughly record all work and data in e-notebook, as well as summarize and report ongoing work to the group regularly.
• Exhibit safety awareness, safe work practices, and common laboratory hygiene, and ensure that all members of the chemistry team abide by the safety policies of the company.
• Other duties and projects as assigned.

Qualifications

• BS/MS in chemistry, chemical engineering, or a related discipline.
• 1-3 years’ experience with process development, process optimization, and/or scale-up.
• An understanding and/or familiarity with regulatory compliance in chemical manufacturing.
• Knowledgeable in chemical reaction mechanisms, kinetics, and environmental health and safety practices.
• Ability to use analytical instrumentation (HPLC, GC-MS, DSC, pH meter, etc).
• Ability to operate pilot to large-scale chemistry equipment (chemical reactors, pumps, distillation equipment, etc).
• Strong analytical and troubleshooting skills.
• Ability to conduct literature searches for specific target molecules and reactions; ability to use the literature to design efficient synthetic routes, as well as troubleshoot problematic reactions.
• Thorough understanding of modern analytical and spectroscopic techniques and ability to interpret the corresponding data and spectra.
• Quality-first mindset, which leads to the production of highly pure final products.
• Ability to work independently and efficiently, as well as work across and within groups to support the goals of the company.
• Ability to organize work efficiently, carry out multiple operations in parallel, and successfully complete projects in a timely fashion.
• Excellent written and oral communication skills.

Compensation

The salary range for this role is $75,000-$90,000.

Benefits

LightwaveLogic offers a highly competitive compensation package including stock options, as well as comprehensive benefits including fully paid medical, dental, and vision insurance coverage (employee and family). a generous PTO policy, $500/year(prorated) company contribution to your medical FSA, and a 401K (safeharbor, 4% match).

EEO Statement

Lightwave Logic is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.

Manufacturing Maintenance Technician II (3rd Shift)

Location: Littleton, CO 80129

Full-Time Role

Shift: 3rd Shift (Mon–Fri)

We’re hiring a Manufacturing Maintenance Technician II for one of our clients to support critical production operations and ensure equipment runs safely, efficiently, and reliably.

What You’ll Do

• Perform preventive and corrective maintenance on manual, semi‑automated, and fully automated equipment.
• Troubleshoot and repair mechanical, electrical, pneumatic, hydraulic, and controls/PLC systems.
• Diagnose problems, conduct root cause analysis, and implement permanent corrective actions.
• Support equipment upgrades, process validations, and continuous improvement projects.
• Reduce downtime, improve machine performance, and help drive key operational metrics.
• Collaborate with operations, engineering, and other teams to resolve issues quickly.
• Maintain safety compliance, cleanroom standards, and maintenance documentation.

What You Bring

• 2+ years of maintenance experience (5 years preferred).
• Strong skills with tools, test instruments, schematics, and technical drawings.
• Hands-on experience with:
• Electrical & mechanical systems
• PLC controls, logic, networks (Ethernet/DeviceNet)
• Pneumatics & hydraulics
• RF welding, ultrasonic welding, hot plate welding (preferred)
• Ability to work independently and troubleshoot complex issues with high accuracy.
• Effective communication, time management, and a proactive mindset.
• Willingness to pursue internal certifications (e.g., Electrical Safety, RF Welding).

Physical Requirements

• Ability to lift up to 50 lbs and move up to 500 lbs with carts/equipment.
• Comfortable working in a cleanroom environment.
• Ability to stand, walk, bend, and use fine motor skills throughout the shift.

Calcon Constructors, Inc., headquartered in Englewood is celebrating our 45th year as a commercial general contractor in Colorado. Emphasizing a one-team approach, Calcon offers preconstruction, design/build, construction management, and general contracting services. All our programs are tailored to meet each client’s individual needs. We pride ourselves on skill, integrity, quality, and results.

A Project Engineer is charged with the responsibility of providing technical support to the Project Manager and Superintendent on a project to ensure safe projects and desirable outcomes for our Clients and Company. Since nearly all of our work is negotiated with repeat and referral clients we must ensure that our projects are well planned whether they are small or large.

General responsibilities include:

• Act as the primary point of contact with the Project Manager or Senior Project Manager to ensure work is completed in conformance with project drawings and specifications.
• Assist with pre-construction tasks.
• Coordinate project documents (RFI’s, submittals, drawings, etc…), and monitor timely turn-around on these same items.
• Review submittals making sure they are accurately reviewed and coordinated, & materials are being procured in conformance with the project schedule.
• Identify any missing information from construction documents and work through those differences with project team members (Owners, Calcon, subcontractors, Architects).
• Aid in the preparation of subcontracts / purchase agreements for projects.
• Coordinate subcontractors’ work schedules with the project Superintendent.
• Monitor project safety requirements.
• Perform project closeout in conformance with the contract and to the Owners satisfaction.
• Foresee potential problems and organize the team to avoid/resolve issues before they impact the project(s).
• Resolve common project problems to maintain good business relationships and outcomes for Calcon.
• Assist during preconstruction and estimating. Duties to include quantity take-offs and bid leveling
• Assist with project schedule and associated schedule updates in conjunction with the project superintendent.

Qualifications:

• B.S. degree in Engineering, Construction Management with 1-2 years’ experience. 
• Intern experience required
• Solid computer skills; Proficient in Microsoft Word, Outlook, Excel, and scheduling software.
• Verifiable work references demonstrating exceptional skills and achievements including:
• High level of professionalism; Dependable, results-focused and ethical
• History of delivering on projects and commitments and strong communication with internal stakeholders (e.g. Superintendents) and externally with Owner, Architect/Engineer, and subcontractors
• Strong organization, multi-tasking and planning skills
• Excellent customer service orientation and verbal written communication skills
• Successful completion of post-offer background and drug screens

Salary: $80,000 - $88,000 DOE

This position will work from our Englewood Office at 2270 W Bates Ave., Englewood, CO 80110.  

Looking for candidate to start April /May of 2026.

Benefits: Excellent benefit package including medical, dental, vision, and options for STD, LTD, 401K, HSA, Section 125, Paid Time Off, and holidays, bonus compensation, service awards, & a fitness program.

Please submit your resume, cover letter to our HR department via .

Englewood Mailing address: 2270 W Bates Ave. Englewood, CO 80110

Website:

Date Posted:

Country:

Location:

Position Role Type:

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Security Clearance Type:

Security Clearance Status:

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression.  We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat.  Our team solves tough, meaningful problems that create a safer, more secure world.

System Safety / Human System Integration (HSI) Department ensures our products Safety and Human Factors disciplines are incorporated into all our engineering and program execution to provide for our customers critical needs.  Location: Aurora, CO

What You Will Do

This is an exciting opportunity for a highly motivated Senior System Safety Engineer to join our team.

As aSenior System Safety Engineer, your responsibilities will include:

• Developing and implementing one or more MIL-STD-882E compliant system safety programs
• Performing MIL-STD-882E System Safety Program tasks and analyses, or customer’s approved equivalent
• Coordinating with customer safety representatives, applying methods, standards, and techniques to provide clarification of system requirements to software, hardware, and test personnel to ensure design and architecture considerations are appropriately allocated to the system and horizontally integrated across the development teams
• Coordinating with customer safety representatives to gain safety approval from appropriate Safety Review Board authorities
• Working across all integrated product teams and lines to properly eliminate hazards or provide effective controls
• Collaborating with Program Management and government approval authorities from program startup through production to demilitarization and disposal backgrounds
• Performing System Safety planning, hazard analyses, and design analyses
• Briefing safety considerations at technical reviews and as part of the safety approval process
• Interpreting system requirements, customer specifications and military standards
• Preparing internal and customer reports describing various analyses relevant to the System Safety program
• Collaborating across multiple disciplines to gain a full understanding of product architecture and design
• Interfacing with other engineering functions: Systems Engineering, Software or Firmware Engineering, Electrical Engineering, Hardware Engineering
• Managing System Safety Working Group(s) between key Raytheon and Customer representatives
• Ability to work on Special Access Program(s)

Qualifications You Must Have

• Typically requires a Bachelor’s in science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 5 years of prior relevant experience
• Experience with System Safety Engineering and/or Software Safety Engineering
• Experience with complex systems and evaluating them for risk
• An active and transferrable final U.S. government issued Top Secret security clearance is required prior to start date. US citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

• Experience developing and implementing MIL-STD-882E System Safety Program tasks and analyses, involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400).  This includes hardware and software safety related tasks 
• Experience with DoD System Safety Programs e.g. MIL-STD-882 / DO-178
• Experience with presentation skills
• Experience solving complex problems by leveraging available resources and research material
• Experience with Earned Value Management Systems (EVMS) and Proposal Development
• Experience interfacing with Human Systems Integration showcasing execution of Human Factors Engineering tasking involving MIL-STD-1472. 
• Experience with Engineering Change Proposals, Engineering Review Boards, System Safety Working Groups

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.
• Relocation Eligible

Learn More & Apply Now!

• Please consider the following role type definition as you apply for this role.
• Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
• This position requires the ability to obtain security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here:  
• Relocation Eligible

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Date Posted:

Country:

Location:

Position Role Type:

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Security Clearance Type:

Security Clearance Status:

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. 

The Senior Data Manager identifies all data deliverables made part of a contract and subsequently builds a data track in a Product Data Management (PDM) system. The DM identifies, with help from the Program Office, the appropriate preparers, receive the data within PDM, reviews the data for compliance, solicits and secures appropriate programmatic approval and delivers the information to the customer on time, throughout the lifecycle of the contract.

In addition, DMs are responsible for reviewing sub-tier contractor requirements, building data tracks for supplier submissions, receiving data from various suppliers, and routing for approval and/or incorporation into prime contractor deliverables to the customer as well as securing non-deliverable program work products to be configuration controlled in the PDM system and other related tasking.

This position is in McKinney Texas

What You Will Do

• Reading contracts for understanding of the deliverables
• Working in a PDM system to capture, manage, and track data deliverables and/or receivables
• Coordinating with cross-functional teams to obtain requested data
• Proofreading data for compliance to the requirement(s)
• Managing the data deliverable schedule and providing the data to the customer on-time
• Learning and understanding contractually required markings applied to data
• Running forecast reports and providing them to the appropriate stakeholders
• Providing metrics related to on-time deliveries and outstanding dispositions upon request
• Reviewing and approving sub-tier supplier statements of work for data requirements
• Supporting program meetings and providing training to program personnel and customers and/or suppliers
• Handling and protection of Company Intellectual Property (IP) as well as U.S. government IP and classified information

Qualifications you must have

• Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years prior relevant experience OR a related Associate’s degree and 4 years of relevant experience OR in absence of a degree, 6 years of relevant experience
• Minimum of 2 years’ experience related to data management and/or equivalent professional experience
• Minimum of 2 years’ experience in a customer support/service role 

Qualifications We Value

• Knowledge of U.S. government defense contracts
• Knowledge of U.S. government specifications and instructions such as the Federal Acquisition Regulation (FAR) and Defense Federal Acquisition Regulation Supplement (DFARS), Data Item Descriptions (DIDs), Department of Defense (DoD) Instruction 5230.24 Distribution Statements on Technical Documents, National Industrial Security Program Operating Manual (NISPOM) (DoD 5220.22-M)
• Collaborate in a team environment
• Self-motivated and detail oriented
• Proven excellent oral and written communication and presentation skills
• Excellent proofreading skills

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
• Relocation Eligibility

Learn More & Apply Now!

• Please consider the following role type definition as you apply for this role.
  • Onsite : Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Date Posted:

Country:

Location:

Position Role Type:

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Security Clearance Type:

Security Clearance Status:

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. 

The Senior Data Manager identifies all data deliverables made part of a contract and subsequently builds a data track in a Product Data Management (PDM) system. The DM identifies, with help from the Program Office, the appropriate preparers, receive the data within PDM, reviews the data for compliance, solicits and secures appropriate programmatic approval and delivers the information to the customer on time, throughout the lifecycle of the contract.

In addition, DMs are responsible for reviewing sub-tier contractor requirements, building data tracks for supplier submissions, receiving data from various suppliers, and routing for approval and/or incorporation into prime contractor deliverables to the customer as well as securing non-deliverable program work products to be configuration controlled in the PDM system and other related tasking.

This position is in McKinney Texas

What You Will Do

• Reading contracts for understanding of the deliverables
• Working in a PDM system to capture, manage, and track data deliverables and/or receivables
• Coordinating with cross-functional teams to obtain requested data
• Proofreading data for compliance to the requirement(s)
• Managing the data deliverable schedule and providing the data to the customer on-time
• Learning and understanding contractually required markings applied to data
• Running forecast reports and providing them to the appropriate stakeholders
• Providing metrics related to on-time deliveries and outstanding dispositions upon request
• Reviewing and approving sub-tier supplier statements of work for data requirements
• Supporting program meetings and providing training to program personnel and customers and/or suppliers
• Handling and protection of Company Intellectual Property (IP) as well as U.S. government IP and classified information

Qualifications you must have

• Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years prior relevant experience OR a related Associate’s degree and 4 years of relevant experience OR in absence of a degree, 6 years of relevant experience
• Minimum of 2 years’ experience related to data management and/or equivalent professional experience
• Minimum of 2 years’ experience in a customer support/service role 

Qualifications We Value

• Knowledge of U.S. government defense contracts
• Knowledge of U.S. government specifications and instructions such as the Federal Acquisition Regulation (FAR) and Defense Federal Acquisition Regulation Supplement (DFARS), Data Item Descriptions (DIDs), Department of Defense (DoD) Instruction 5230.24 Distribution Statements on Technical Documents, National Industrial Security Program Operating Manual (NISPOM) (DoD 5220.22-M)
• Collaborate in a team environment
• Self-motivated and detail oriented
• Proven excellent oral and written communication and presentation skills
• Excellent proofreading skills

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
• Relocation Eligibility

Learn More & Apply Now!

• Please consider the following role type definition as you apply for this role.
  • Onsite : Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms