Senior Mechanical Design Engineer Job, Washington
Energi People
Senior Mechanical Design Engineer (MEP) – Washington (DC) Hybrid (Minimum 2 Days In‑Office). 100% employee‑owned engineering consultancy. Shape the Future of High‑Performance Building Design Join a people‑first, employee‑owned engineering firm that is redefining flexibility, leadership, and long‑term career growth in the MEP industry. This organization is seeking a Senior Mechanical Design Engineer (MEP) to play a key leadership role within a growing regional office. This is an opportunity to lead impactful projects, mentor high‑calibre teams, and build lasting client relationships, whilst maintaining a healthy work/life balance through a hybrid working model. Why This Senior Mechanical Design Engineer Job? This firm goes beyond traditional engineering. You’ll be part of a collaborative, ownership‑driven culture where your voice matters and your career progression is intentional. Employee Ownership (ESOP): Build meaningful equity in the firm Hybrid Flexibility: Structured hybrid work model supporting balance and connection Clear Leadership Pathway: Transparent and personalised career progression Project Variety & Impact: Work on complex, high‑performance buildings across multiple sectors Company Culture This organization offers the kind of culture professionals actively seek: People‑first, inclusive environment Strong emphasis on work/life balance Continuous professional and leadership development Innovative design tools and forward‑thinking engineering Collaboration with respected industry leaders Core Values Conscientious. Empowered. Respectful. Resilient. Transformative. The Senior Mechanical Design Engineer Job Role As the Senior Mechanical Design Engineer, you will act as a discipline and people leader across multiple projects. Responsibilities Leading and mentoring local MEP design teams Developing and maintaining strong client relationships (architects & owners) HVAC system selection, engineering, and detailed design Producing drawings, specifications, calculations, and technical analyses Providing oversight and mentorship to HVAC support staff Managing projects and contributing to office growth and strategy Conducting construction administration and site observations Delivering consistently high standards of client and team service What You Will Bring Required: Bachelor of Science in Mechanical Engineering (BSME) 10 years’ experience in MEP consulting/design Proven people leadership and team management experience Project management experience within the MEP environment Strong client‑facing and communication skills Deep understanding of building codes and HVAC systems Preferred: Professional Engineering (PE) license (or equivalent experience) LEED Accreditation Working knowledge of IES‑VE Compensation & Benefits Employee Stock Ownership Plan (ESOP) Comprehensive Benefits: 401(k), medical, dental, vision, life & disability insurance, transportation benefits Time Off: Generous PTO, paid holidays, plus firm‑wide holiday closure (Christmas to New Year) Purpose‑Driven: Paid volunteer time and a strong commitment to social equity Professional Growth: Continuous learning alongside industry leaders #J-18808-Ljbffr Energi People
$192k - $240k
### Senior Security Operations Engineer#### Seattle, Washington, United StatesSenior Security Operations Engineer**Why join us**Brex is the AI-powered spend platform... ..., scoping and building features, participate in designing, and maintaining tools and systems which support...SeniorWork at officeRemote workWork from home$56 - $95 per hour
...Protingent Staffing has an exciting contract Senior Mechanical Design Engineer opportunity. Job Responsibilities Design of reactor structures and components from requirements through final design. Coordinate inputs and requirements from Engineering and Project teams to...SeniorPermanent employmentContract workWork experience placementFor subcontractorRemote work- Simplexity Product Development is seeking a Senior Mechanical Design Engineer to lead design efforts in robotics projects at client sites. The role requires deep mechanical engineering fundamentals and 8+ years of relevant experience, emphasizing strong leadership and problem...Senior
- ...Position Overview: System One is seeking a Senior Mechanical Design Engineer to support the Molten Chloride Fast Reactor (MCFR) program and the Molten Chloride Reactor Experiment (MCRE) . This role plays a key part in designing and analyzing mechanical systems that support...SeniorWork at officeLocal area
$140k - $160k
...Complex. Simplexity is a product development engineering firm, hired by leading technology companies to design their next generation products. In an industry... ...be the place for you. POSTION DESCRIPTION As a Senior Mechanical Design Engineer, you would be working with and...SeniorContract workTemporary workCasual workWork at officeFlexible hours- Blue Origin LLC is seeking a Mechanical Design Engineer III to join their In-Space Systems team located in the Greater Seattle Area. The role involves designing mechanisms for the Blue Ring spacecraft and participating in all aspects of the design cycle. The perfect candidate...Senior
$56 - $95 per hour
Protingent is seeking a Rotatable Plug Assembly Sr. Component Design Engineer for a contract position based 100% remote. The role requires strong expertise in mechanical engineering with at least eight years of equipment/component design experience. Responsibilities include...SeniorRemote jobContract work- CTS International is seeking a Senior Mechanical Engineer to design and develop distribution transformers in Bellevue, Washington. The ideal candidate will have a Bachelor's degree in Mechanical Engineering and over 15 years of relevant experience. This role demands proficiency...Senior
$97.7k - $171k
Jacobs Engineering Group Inc. is seeking a passionate Mechanical Engineer in Bellevue, Washington. You'll be part of the design team, performing analyses and designs for various innovative projects, from healthcare facilities to data centers. We value continuous improvement...SeniorFlexible hours- (Senior) Medical Science Liaison – Pacific Northwest (Oregon/Washington) We are seeking a high-performing field-based Medical Science Liaison (MSL) or Senior Medical Science Liaison (Sr. MSL) to support the commercial and educational objectives of the company. The role...Senior
- Clark Wood is seeking an Accounts Senior based in Washington to join their established team. The role involves preparing statutory and management accounts for a diverse range of clients, including limited companies and partnerships. The ideal candidate should be ACCA/ACA...Senior
$70 - $90 per hour
Simplexity Product Development is seeking a Senior Mechanical Design Engineer in Seattle to lead the design of intricate mechanical systems. The ideal candidate has over 8 years of engineering experience and is proficient in SolidWorks. This is a contract position with...SeniorContract work$138.69k - $208.03k
TerraPower is a nuclear technology company based in Bellevue, Washington. At its core, the company is working to raise living... ...protected by federal, state, or local law. Senior Mechanical Design Engineer, Core Component Design Responsibilities: Coordinate and...SeniorPermanent employmentFull timeTemporary workFor subcontractorLocal areaRelocation package$63 per hour
Position Description The Senior Mechanical Engineer plays a key role in the design and development of distribution transformers in accordance with IEEE, CSA,... ...benefits! Location and Compensation Location: Bellevue, Washington Duration: 12+ months Pay Rate: Up to $63...SeniorContract workShift work- head-huntress.com is seeking a Mid-Senior Mechanical Engineer in Washington, DC to design safe, reliable munition systems for defense applications. Candidates will work closely with HW and SW engineers, ensuring that safety and performance criteria are met at every stage...Senior
- Lawyers for Justice, P.C., a growing law firm expanding into Washington, is seeking a Senior Attorney with over 8 years of civil litigation experience. The ideal candidate must be licensed to practice law in California or Washington, with responsibilities focusing on employment...SeniorFull time
$100k - $160k
Kiewit is hiring Mechanical Engineers to design and analyze MEP systems for various industrial buildings. The role demands expertise in HVAC and... ...collaboratively in a fast-paced environment. Located in Seattle, Washington, this full-time position offers a salary between $100,000...SeniorFull time$110k - $145k
Senior Mechanical Engineer (healthcare experience) Location: Seattle, WA Are you an experienced mechanical... ..., you’ll lead mechanical system design for complex healthcare and institutional... ...with California, Oregon and Washington building codes. You’re comfortable making...SeniorFor contractorsWork experience placementWork at office- ...strong financial results but also develop essential digital infrastructure to meet growing demands. Position Overview The Senior Mechanical Design Engineer operates in a global engineering environment supporting the design and productization of mechanical, electrical, and...SeniorWork at office
- 6AM City, LLC, located in Washington, is seeking a creative developer to lead the mechanical development team for the Proteowise... ...responsibilities include collaborating with engineers across various disciplines and transferring manufacturable designs to production. The candidate...Senior
$74.99 - $87.31 per hour
...Description Seattle City Light's Engineering & Technology Operations Division is seeking a Senior Mechanical Engineer to ensure reliable... ...you will be responsible for design changes, maintenance and... ...have one year to obtain your Washington State PE via test or comity....SeniorHourly payWork experience placementNight shiftWeekend workAfternoon shift- The Hispanic Alliance for Career Enhancement is seeking a Senior Software Development Engineer - Developer Tooling in Washington, United States. In this role, you will assist in creating best-in-class digital tools for developers within CVS Health, supporting extensive...SeniorFull time
$70 - $95 per hour
...Complex. Simplexity is a product development engineering firm, hired by leading technology companies to design their next generation products. In an industry... ...Development Process. Position Description As a Senior Mechanical Design Engineer, you will work with our team...SeniorHourly payContract workTemporary workFor contractors- A leading engineering firm is seeking a Senior Mechanical Design Engineer to support the Molten Chloride Fast Reactor program. The role involves designing and analyzing mechanical systems, creating 3D models using CAD tools, and conducting mechanical analyses. Candidates...SeniorWork at office
$74.99 - $87.31 per hour
A leading municipal utility in Washington is seeking a Senior Mechanical Engineer to ensure the reliable operation of hydro turbine generating units. Responsibilities include maintenance, design changes, and engineering support. The ideal candidate should have five years...SeniorHourly pay- ...Seattle is seeking a Project Manager/Senior Mechanical Engineer to lead engineering projects and manage... ...Engineering and a PE license in Washington, with 12+ years of relevant experience... ...technical oversight in HVAC and plumbing design, and business development. A...Senior
$135k - $150k
A leading engineering firm in Seattle is seeking a Project Director / Sr. Mechanical Engineering Project Manager to manage their engineering team in Western Washington. Responsibilities include overseeing budgets, maintaining engineering standards, and providing mentorship...Senior- A leading technology services provider located in Bellevue, Washington, is seeking a Senior Mechanical Engineer. In this role, you will design and develop mechanical specifications for distribution transformers, ensuring compliance with industry standards. The ideal candidate...SeniorContract work
$140k - $160k
A product development engineering firm in Seattle is seeking a Senior Mechanical Design Engineer to lead teams in designing complex products like robotics and medical devices. Ideal candidates should have a Bachelor's or Master's in Mechanical Engineering and 8+ years of...Senior- Tract Capital is looking for a Senior Mechanical Design Engineer in Mercer Island, WA. The role involves the design and productization of mechanical infrastructure for data centers, utilizing 3D CAD tools. Candidates should have over 5 years of mechanical design experience...Senior
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