Mechanical Designer
$37 - $74 per hourSystem One
Mechanical Designer
Location: Bellevue, WA
Job Type: Contract
Work Model: Hybrid (Onsite & Remote)
Schedule: 40 hours/week
Pay Rate: $37.00 - $74.00/hour DOE
System One is seeking a Mechanical Designer to support the design and development of advanced nuclear reactor technology. This position offers the opportunity to work alongside multidisciplinary engineering teams developing next-generation energy systems.
Responsibilities
- Develop 3D CAD models and detailed engineering drawings using SolidWorks.
- Design mechanical and structural components, test fixtures, flow loops, rigs, and sub-scale test articles.
- Create fabrication and assembly drawings in accordance with ASME standards.
- Perform tolerance stack-up analyses and apply GD&T per ASME Y14.5.
- Support structural, thermal, neutronic, radiological, and safety analyses through CAD model development.
- Conduct design trade studies and recommend optimal engineering solutions.
- Maintain configuration control of models and drawings using PDM/PLM systems.
- Participate in design reviews and collaborate with engineering, manufacturing, and testing teams.
- Prepare technical documentation, presentations, and engineering reports.
- Review drawings for accuracy, completeness, and compliance with engineering standards.
Qualifications
- Bachelor's degree in Mechanical Engineering, Electrical Engineering, Chemical Engineering, or a related engineering discipline.
- Minimum 7 years of CAD design experience with strong proficiency in SolidWorks.
- At least 3 years of relevant mechanical design experience.
- Strong understanding of Geometric Dimensioning & Tolerancing (GD&T) per ASME Y14.5.
- Experience creating fabrication drawings and applying Design for Manufacturability (DFM) and Design for Assembly (DFA) principles.
- Strong analytical, problem-solving, and organizational skills.
- Excellent written and verbal communication skills.
- Experience with PDM/PLM systems preferred.
Preferred Qualifications
- Experience working in the nuclear industry or another highly regulated engineering environment.
- Knowledge of ASME NQA-1, ISO 9001, or similar quality standards.
- Experience coordinating with suppliers and subcontractors.
- Familiarity with reactor components, nuclear equipment, or advanced energy technologies.
System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
$123.2k - $184.8k
Title:Spacecraft Mechanical DesignerBelong. Connect. Grow. with KBR! We are seeking an experienced mechanical designer to develop novel design concepts for space flight instruments including electro-mechanical systems, mechanisms, opto-mechanical, structures and Mechanical...SuggestedFull timeContract workWork at officeLocal areaFlexible hours- ...Job Description I have a client in the Lanham, MD area that has an opportunity for a Mechanical Designer. If you or any of your colleagues are interested in discussing this role please click Apply Now. In this role you will be a Mechanical Designer for...SuggestedPermanent employmentTemporary work
- Mechanical Drafter/Designer Our client is in need of a Mechanical Drafter/Designer. This is a fully remote contract opportunity anticipated to last approximately four to six weeks. Ideally someone who can work full time during business hours. Company Profile...SuggestedFull timeContract workTemporary workRemote work
- Wagstaff, Inc. seeks a highly skilled Mechanical Designer 1 to join our Engineering & Design team. The selected candidate will contribute to the design and development of cutting-edge aluminum direct chill casting equipment. This position involves the application of engineering...Suggested
$105k - $125k
A professional engineering firm is seeking a Mechanical Engineer in Bethesda, MD. The role involves designing and evaluating HVAC systems across diverse sectors, including healthcare and education. Candidates must have at least 5 years of HVAC design experience and a Bachelor...Suggested$100k - $160k
...TSC is seeking a highly motivated and skilled Mechanical Designer to support our customer in Washington, DC. The ideal candidate will be hands-on with a strong background in mechanical systems and equipment, assemblies and product development. This role involves everything...Contract workFor contractorsFor subcontractorLocal areaRelocation packageFlexible hours- ...Job Description Job Description Position Overview System One is seeking a highly motivated Senior Mechanical Designer to support the design and development of advanced Generation IV nuclear reactor systems. This role is responsible for creating structural and...Work at officeLocal area
$55 - $75 per hour
...Job Description Overview We are seeking a Senior Mechanical/Piping Designer to join our team in Exton, PA, Philadelphia, PA, Houston, TX, San Antonio, TX, Richmond, VA, Winchester, VA, Orange CT, Lauderdale, FL, Melbourne, FL, Tallahassee, FL Or Tampa FL. This...Hourly payFull timeTemporary workFor contractorsRemote workFlexible hours- KBR seeks an experienced Spacecraft Mechanical Designer to develop design concepts for space flight instruments and MGSE. You will support the Spacecraft Mechanical Lead with concept design, detailed flight assembly modeling, and fabrication drawing generation in Creo and...Flexible hours
$102.9k - $141.5k
...can evolve, grow, and succeed - today and into tomorrow. In our Mechanical Data Center team , we deliver high-impact, cost-effective... ...markets. We combine strong technical execution with thoughtful design strategies tailored to each project and location. We are seeking...Hourly payTemporary workWork at officeRemote work- TSC in Washington, DC seeks a Mechanical Designer to support on-site mechanical systems for communications equipment. The candidate will design, prototype, test, and sustain complex assemblies, working with multi-disciplinary teams to deliver robust hardware. The role requires...Local area
- Jacobs is seeking a Senior Mechanical Designer for their Data Center market. The role involves collaborating within a multi-disciplinary team to develop mechanical systems designs that support critical projects. Responsibilities include designing HVAC systems, creating...
- Technology Service Corp. in Washington, DC seeks a Mechanical Designer with 7-10+ years of experience to design, prototype, test, and sustain advanced mechanical systems for communications equipment. You will create 3D CAD models in SolidWorks, generate drawings, coordinate...
$35 - $55 per hour
...Job Description Overview We are seeking a Process and Mechanical Drafter join our Power and Industrial Engineering Group in Bothell... ...budget and schedule constraints. Prepare assignments, perform design and drafting and check the work of drafters as required....Hourly payFull timeTemporary workFlexible hours$120k - $148k
ARA is seeking a Senior Mechanical Engineer to support the design of equipment, tooling, and equipment interfaces for energetics chemical manufacturing systems and unmanned systems (UxS) programs supporting U.S. Government customers. This role spans a broad range of mechanical...Full time$143.91k
...to 09/11/2026Schedule: Full-timeWork type: Multiple Appointment TypesRelocation: FalsePosition ID: DLADS-26-13037244-MPDocument ID: 881146300Grade: GS 14Job category: Mechanical Engineering (0830)Hiring path: fed-internal-search, fed-transition, vet, mspouse, disability- ...dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and... ...DescriptionAECOM is seeking a creative and highly talented Senior Mechanical Engineer for immediate employment in our Dallas, TX office. For...Contract workFor contractorsWork at officeLocal areaImmediate startRemote workWorldwideFlexible hours
- ...things possible not only in your community, but around the world.In the role of Senior Mechanical Engineer (Pipe Stress), we'll count on you to:Perform pipe stress analysis and piping design for projects and prepare reports on the findings.Coordinate the work of Mechanical...Contract workWork at office
$125.12k - $187.68k
OverviewM.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most recognizable... ...by the customer.ResponsibilitiesWe are seeking a skilled Mechanical Engineer to lead and support design, bid, and execution of...For contractorsFor subcontractorLocal area$80k - $125k
...realities that transform the world for good.Your impactWe’re seeking a Mechanical Engineer to join our team in Arlington, VA. As part of our team... ...a range of skills as part of an integrated building services design. Your role will include:Developing overall Conceptual and Basis...Civilian ContractorFull timeRemote workWorldwide- ...mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers... ...OverviewWe are seeking a highly skilled and detail-oriented Mechanical Harness Engineer to join our dynamic team working on state-of-...Casual workWork at office
- ...engineering and architectural professionals.We are currently in search of a Mechanical Project Engineer to join our Alexandria, VA team. In this pivotal role, you will lead the mechanical design on various projects, collaborating closely with our mechanical design staff...Work from home
$84.29k - $224k
...DescriptionMission Technologies, a division of HII, is hiring multiple Mechanical Engineers to support operations at our Alexandria, VA location. As a Mechanical Engineer you will contribute to the design, development and engineering of mechanical systems for complex...Full timeFor contractorsWork at officeLocal areaWorldwide$90k - $120k
Start designing tomorrow’s future! Buro Happold has an exciting opportunity for a talented Senior Mechanical Engineer to join our hybrid team in Washington, DC! As a Senior Mechanical Engineer you will have the opportunity to lead design for mechanical engineering across...Permanent employmentContract workSummer workImmediate startFlexible hours- Management Systems International (MSI), a Tetra Tech Company, needs a Mechanical Engineer in Bangkok, Thailand for construction of New US... ...will be joining the team already on the ground.The Project$400M Design/Build New Office Annex (NOX) and Embassy UpgradeNew 14-story...For contractorsWork at officeLocal areaWorldwideOverseas
- ...About ProSidian Consulting at DescriptionProSidian Seeks a Mechanical Engineer | Technical Due Diligence & Engineering Validation For... ...Project Support Across the United States) Area Clearance Designation(s): STD Background Chk Contract Contingent, generally located...Full timeContract workTemporary workFor contractorsWork at officeRemote workFlexible hours
- ...part of HDR’s Building Engineering Services Group, you’ll help design the critical infrastructure that supports the digital age and shapes... ..., sustainability, and human experience. We bring together mechanical, electrical, structural, and civil engineering experts to solve...Contract work
- Tetra Tech needs a Mechanical Engineer for construction of a Power Plant Remediation Project (PPRP) with State Dept. Bureau of Overseas... ...Requires a US Govt. Secret Security Clearance.The ProjectThe PPRP is designed to address critical operational inefficiencies that have been...For contractorsWork at officeLocal areaWorldwideOverseas
$120.58k
...This is an Excepted Service position and does not require or confer Civil Service Competitive StatusWork type: Permanent, Full TimeRelocation: FalsePosition ID: CPP-2026-106Document ID: 863228900Grade: GS 13Job category: Mechanical Engineering (0830)Hiring path: publicPermanent employment$100k - $137k
...company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more -... ...some of the boldest and most ambitious space missions.SENIOR MECHANICAL ENGINEER IAs a Mechanical Engineer at Rocket Lab’s Silver Spring...Permanent employmentLocal areaFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mechanical Designer. Be the first to apply!
- mechanical drafter Washington DC
- mechanical foreman Washington DC
- mechanical inspector Washington DC
- mechanical installation Washington DC
- mechanical commissioning Washington DC
- offshore mechanical Washington DC
- entry level mechanical design Washington DC
- mechanical design Washington DC
- mechanical sales Washington DC
- mechanical engineer hvac Washington DC


