Engineering Jobs in Mission Viejo, CA

Job Opening:

Senior Plumbing Engineer & Project Manager

We are a full-service MEP engineering and consulting company. We are servicing the building industry in mechanical, electrical, and plumbing engineering services along with electrical testing, dry utility coordination, low voltage distribution and design. We have an opening for Senior Plumbing Engineer & Project Manager who can handle the following responsibilities:

·        Design of residential and commercial plumbing systems including calculations, piping layout, riser diagrams, equipment schedules, and details

·        Coordination with the developer, builder, architect, civil engineer, and other disciplines

·        Attending design meetings and field surveys as required during design and construction.

·        Managing the project from schematic design (SD) phase all the way through the final stages of construction administration (CA)

·        Reviewing and responding to the plumbing related submittals and RFIs

Requirements:

·        Bachelor of Science in Mechanical Engineering or equivalent experience

·        Plumbing Design and Project Management experience, 3-6 years at minimum

·        Experience in AutoCAD

·        REVIT

·        Strong communication skills

·        Microsoft Office Suite

·        California Mechanical Code

·        National Mechanical Code

·        California Energy Code

·        Team player and detail oriented

Compensation:

• Salary Range: $90K-$120K
• Bonuses

Benefits:

• Health insurance
• 401K
• Paid time off
• Paid vacations
• Paid sick time

Schedule:

·        Monday-Friday 8:00 am - 5:00 pm, In Irvine Office Location Required

Job Type:

·        Full-Time

We are hiring a PCB Design Engineer for an exciting opportunity in Irvine, CA.

This is a 6-month contract opportunity with possible extension, offering $60–$70/hour on W2. The role is 100% onsite, and relocation assistance is available for the right candidate.

We are looking for professionals with:

• 6–10 years of PCB design and layout engineering experience
• Strong proficiency in OrCAD and Allegro
• Experience with high-speed and high-density multi-layer PCB design
• Knowledge of IPC Class 3 design standards
• IPC CID or CID+ certification preferred
• Experience in defense or aerospace electronics is highly preferred, though other electronics backgrounds may also be considered

Requirement: U.S. Citizens only

If you or someone in your network may be a fit, please feel free to message me directly.

#Hiring #PCBDesign #PCBEngineer #HardwareEngineer #ElectronicsEngineer #AerospaceJobs #DefenseJobs #IrvineCA #EngineeringJobs #OrCAD #Allegro #HiringNow

Mechanical Engineer – Aerospace Thermal Management Systems (Integration & Packaging)

Location: Onsite – Irvine CA

Industry: Aerospace & Defense

Duration: 6 months and extendable

Role Overview

We are seeking two highly skilled Mechanical Engineers with experience in the Aerospace & Defense sector to support the development and integration of advanced thermal management subsystems used across military and commercial platforms globally.

This role focuses on mechanical subsystem development from a packaging and integration perspective, including enclosure design and integration of electronic and fluid control components such as pumps, compressors, fans, and valves. The ideal candidate has hands-on experience developing aerospace-grade subsystems within defined volume and interface constraints, ensuring high reliability, environmental robustness, and compliance with industry standards.

These roles will support programs progressing from Preliminary Design Review (PDR) toward Critical Design Review (CDR) and will involve reuse and adaptation of existing product architectures.

Key Responsibilities

• Design and develop mechanical enclosures for aerospace electronic and control subsystems such as thermal management systems and related subsystems
• Package and integrate COTS and custom components into customer-defined volume constraints by integrating components including pumps, compressors, fans, valves, and control electronics
• Develop detailed CAD models, assemblies, and manufacturing drawings (SolidWorks preferred)
• Conduct tolerance analysis, GD&T, stack-up analysis, and design for manufacturability (DFM)
• Support prototype builds, integration activities, testing, and validation
• Implement design considerations to satisfy and qualify the environmental requirements (shock, vibration, temperature, humidity, EMI/EMC interface considerations) per MIL standards.
• Collaborate with electrical, controls, thermal, structural, and systems engineering teams
• Participate in root cause analysis and design refinement
• Ensure compliance with aerospace and defense standards and documentation practices

Required Qualifications

• Bachelor’s degree in mechanical engineering or equivalent.
• 5+ years of experience in Aerospace & Defense mechanical subsystem development
• U.S. Citizen (No Dual Citizenship)
• Strong mechanical packaging and integration experience
• Experience designing enclosures housing electronics and fluid/mechanical components
• Exposure to thermal management systems (ECS, vapor cycle, or liquid cooling preferred but not mandatory)
• Working knowledge of rotating machinery components (fans, compressors, pumps)
• Proficiency in CAD tools (SolidWorks preferred; strong experience in other platforms acceptable)
• Experience with GD&T and tolerance analysis
• Familiarity with aerospace environmental standards (MIL-STD preferred)
• Experience supporting qualification and validation testing
• Strong understanding of materials selection for aerospace applications
• Ability to work in cross-functional engineering teams

Preferred Qualifications

• Experience packaging turbomachinery components within constrained aerospace envelopes
• Exposure to controls systems integration
• Knowledge of vibration isolation and shock mitigation techniques
• Experience supporting PDR/CDR processes
• Familiarity with configuration management and aerospace documentation rigor
• Exposure to FMEA, reliability analysis, and lifecycle support

Job Title: R&D Test Engineer

Location: Irvine, CA

Employment Type: Full-Time

Position Overview

We are seeking R&D Test Engineers to support the development and verification of innovative drug delivery and medical device products. The selected candidates will contribute to verification and validation activities, test method development, and product testing to ensure compliance with regulatory and internal quality standards.

This role involves working closely with cross-functional teams including R&D, Quality, Manufacturing, and Regulatory Affairs to support product development, verification strategies, and root cause investigations.

Key Responsibilities

• Assist in the development and testing of innovative drug delivery products.
• Define and execute verification strategies, including development of verification plans, protocols, records, and reports.
• Develop scientifically justified sample size strategies in compliance with internal and regulatory requirements.
• Design and execute engineering and verification test procedures.
• Prepare test protocols and documentation, maintain accurate laboratory notebooks, and present results to cross-functional teams.
• Analyze test data and provide technical insights and recommendations.
• Lead or support root cause investigations and implement issue resolutions.
• Define, develop, and validate test methods for product verification.
• Recommend design, process, or project improvements to enhance product performance and development efficiency.
• Ensure compliance with company policies, regulatory standards, and safety procedures.
• Review and evaluate design changes for technical and regulatory compliance.
• Conduct tests to determine physical and mechanical characteristics of materials for quality control, process control, and product development.
• Perform technical tasks according to quality and functional standards.

Required Qualifications

R&D Test Engineer

• Experience in R&D testing, product development, or verification within engineering environments.
• Strong experience in verification planning, protocol development, and testing execution.
• Demonstrated ability to lead root cause investigations and technical problem-solving.
• Experience working in regulated industries (medical devices preferred).
• Strong technical documentation and cross-functional communication skills.
• experience in engineering testing, product development, or laboratory environments.
• Basic knowledge of engineering test methods and verification processes.
• Ability to perform testing, data analysis, and documentation under supervision.
• Strong analytical and problem-solving skills.

Preferred Skills & Tools

Experience with the following tools and technologies is preferred:

Testing & Lab Equipment

• Zwick or Instron testing systems
• Flow measurement equipment
• Viscometers
• Climate chambers
• 3D printing technologies

Engineering & Data Tools

• SolidWorks
• Minitab
• Electronic Lab Notebook (ELN)

Project & Requirements Management

• Microsoft Project
• Laboratory Information Management Systems (LIMS) such as LinkUS
• Requirements and Risk Management tools such as DOORS or Cockpit

Join Yorke Engineering, LLC, an Environmental Consulting leader in California that implements Environmental Engineering and Compliance solutions for our clients throughout California. Our mission is to solve environmental compliance problems for industrial and governmental/infrastructure facilities. We are a growing and dynamic organization of highly respected professionals. Yorke Engineering, LLC has assisted over 2,000 client organizations with their Air Quality and Environmental Compliance, Engineering, and Permitting needs. Our philosophy is to efficiently help government and industrial customers with the complex array of environmental laws and regulations. From simple permits to complex agency negotiations, from small companies to the largest of California's organizations, Yorke successfully solves our clients' Air Quality and Environmental challenges. Our team has over 1,000 years of combined environmental experience and consists of engineers and scientists that specialize in Air Quality, Waste, Water, CEQA, Safety, and Industrial Hygiene.

We are looking for a sharp Sr. Air Quality Engineer/Scientist (Environmental Permitting and Compliance Specialist) to join our team in Southern CA. This is a full-time position from any of our Southern CA offices (Diamond Bar, Long Beach, Los Angeles, San Juan Capistrano, San Diego, Ventura, or Riverside) during our normal business hours. We offer competitive salaries, a full benefits package including Paid Time Off, Holidays, Full Medical/Dental/Vision, along with a 401k program with a generous company match.

Position Summary:

The Sr. Air Quality Engineer/Scientist (Environmental Permitting and Compliance Specialist) performs professional engineering work, leading and executing the compliance and permitting functions in relation to Air Quality Regulations and Compliance. This candidate will be reviewing processes and equipment, analyzing permit-related technical and regulatory issues, and communicating those analyses within Yorke, the client organization, with government agencies and with the public at large. The work is challenging, broad in scope, and variable from project to project. The position involves effective communication, decision-making, and time management. The candidate performs other duties as required or assigned.

This is a Senior to Principal level position. Positions at this level are assigned to perform the more complex and sensitive duties in the occupational field. The employee in this position may be assigned to train and mentor other employees and/or monitor work produced by other employees.

The candidate qualifications we are seeking include:

• 10-20+ years of work experience in the Air Quality and/or Environmental industry in an engineering role (preferably in a consulting environment);
• Experience in the environmental services industry focusing on leading Air Quality services:
• Process and equipment review;
• Air quality permitting under SCAQMD and other Air Districts, including Title V Permitting;
• RECLAIM implementation and reporting;
• Annual Emissions Reporting;
• Air Dispersion Modeling;
• Air Quality Assessments including Data Analysis and Emission Inventories;
• General Air Quality Compliance for facilities in CA.
• Ability to manage and lead active team members on project teams towards project completion within project scope, budget and schedule and ensure quality work product and deliverables;
• Ability to manage successful relationships with clients, staff, and regulators through effective communication and expertise by fostering a collaborative environment without losing focus of quality;
• Proven track record or desire to engage in successful regulatory work in dealing with the SCAQMD, EPA, CARB and/or other similar regulatory agencies;
• Experience working on-site at client facilities;
• Prepare reports and submissions in timely manner;
• Experience with handling highly technical data and technical data interpretation;
• Highly motivated to continue working in Air Quality environmental field and expand their knowledge and experience;
• CA Regulatory/Compliance experience is required.

Job Requirements:

• B.S or M.S. degree in Chemical Engineering, Environmental Engineering, or Mechanical Engineering, or other relevant technical degrees from an accredited college (minimum GPA of 3.0);
• Ability to work collaboratively in a team fashion, handle several projects at once, prioritize work, and work efficiently;
• Desire to train and share technical expertise in environmental rules and regulations with clients and team members;
• Excellent oral and written communications skills;
• Experience in conflict resolution and crisis management;
• Track record of successful analysis, interpretation, and application of rules and regulations towards practical solutions;
• Ability to think critically and develop solutions;
• Strong Microsoft Excel, Word, Outlook, and Powerpoint skills (required);
• Microsoft 365 Applications, including Sharepoint (a plus)
• P.E. Certification (a plus).

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.

The Water Resources Engineer position will be dedicated to supporting the departments' hydrology and stormwater quality review, analysis, modeling, and report writing. This position also has the opportunity to provide general engineering support for the department on project needs including plan production, design engineering, and other general engineering tasks. Our client understands the importance of work/life balance, which is why they offer a variety of flexible and hybrid work schedules to suit the needs of their dedicated team members.

Duties/Responsibilities:

• Lead and support activities to ensure compliance with applicable state and federal environmental rules and laws related to stormwater quality.
• Perform hydrology mapping and calculations using hand calculations and hydrology software.
• Perform hydraulic calculations to size stormwater devices.
• Write clear, thorough reports to explain and compile the hydrology and hydraulics (H&H) of the site.
• Prepare and perform necessary calculations for stormwater reports (i.e. WQMP, LID, SWPPP) and compile reports for submittals.

Requirements:

• Bachelor's Degree in Civil Engineering, Environmental Engineering, or a related discipline.
• 3+ years of experience focused on stormwater quality, site hydrology and hydraulics.
• Proficiency in Civil 3D and H&H software.