Senior Mechanical Design Engineer
$135k - $165kALTEN Technology USA
We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life‑saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group—57,000+ engineers in 30 countries,we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. As a Senior Design Engineer you will be responsible for; Leading the design and development of mechanical systems, structural hardware, and mechanisms from early concept through production readiness. Creating innovative engineering solutions that meet customer requirements, performance objectives, and environmental constraints. Performing engineering calculations, trade studies, tolerance analyses, and evaluations to support design decisions. Supporting multiple development programs simultaneously while maintaining quality, schedule, and technical objectives. Reviewing and validating engineering analyses, calculations, and design outputs to ensure technical accuracy and compliance. Generating complete design packages including bills of materials, assembly drawings, and release documentation. Collaborating with manufacturing, quality, systems, and test engineering teams to transition designs into production and qualification. Providing technical support for prototype builds, hardware integration activities, development testing, and qualification efforts. Serving as a technical mentor to junior engineers and contributing to the growth of engineering best practices. Applying sound engineering judgment to solve complex technical challenges in high-performance aerospace and defense applications. Qualifications; Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related technical discipline. 6+ years of experience designing aerospace, defense, or other highly engineered products and systems. Demonstrated success developing hardware that has progressed through testing, qualification, and implementation. Strong mechanical design background with expertise in engineering drawing standards and design best practices. Proficiency with SolidWorks and Geometric Dimensioning & Tolerancing (GD&T). Experience utilizing CAD and CAE tools to support product development and engineering analyses. Strong understanding of mechanics, material behavior, stress analysis, and engineering fundamentals. Ability to interpret technical drawings, specifications, requirements, and engineering documentation. Experience creating and managing bills of materials, detailed drawings, and product definition packages. Working knowledge of military, aerospace, or commercial engineering specifications and standards. Salary Range: $135,000 - $165,000 Location: Onsite in Mukilteo, WA The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience Note: Due to the nature of the work, only US Persons (citizens or permanent residents) need apply for this position. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy. Please beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process. Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire. #J-18808-Ljbffr
$140k - $160k
...Senior Mechanical Design EngineerSimplifying the Complex. Simplexity is a product development engineering firm, hired by leading technology companies to design their next generation products. In an industry of overly-complex design and production, we strive for simplicity...SeniorContract workTemporary work- ...ground and airborne target tracking. We are looking for a Senior Mechanical Engineer to take ownership of the full lifecycle development of... ...who enjoys taking hardware from requirements and initial design through fabrication, integration, testing and environmental...SeniorFull time
- ...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...SeniorContract workWork at office
$84.7k - $144.43k
DLR Group is an integrated design firm with a promise to elevate the human experience through design. This fuels the work we do... ...interest, you’re in the right place.DLR Group has an opening for a Mechanical Engineer with a focused skillset on data center projects. Position...SeniorWork at office$159.2k - $215.3k
Amazon Web Services’ Hardware Engineering team is looking for experienced professionals to help... ...and quality targets. The engineer owns design all of the required tools, test fixtures... ...up manufacturing on new mechanical and thermal products across a global network...SeniorContract workWork experience placementFlexible hours$137.3k - $185.7k
...sophisticated control systems, and advanced electromechanical design to create adaptable automation solutions capable of working... .... We are seeking a talented and motivated Electro-Mechanical Engineer to design, integrate and launch robotic End Effectors. The ideal...SeniorFlexible hours$90k - $180k
...integrated U.S. drone technology company, BRINC designs and manufactures unmanned aircraft... .... BRINC is recruiting exceptional engineers to build the next generation of autonomous... ...seeking an experienced and passionate Senior Mechanical Engineer to lead the end-to-end...SeniorWork at officeFlexible hours$134k - $205.04k
...This OpportunityWSP is currently initiating a search for a Senior Mechanical Engineer (Generation) to join our Power & Energy team inHouston, TX.... ...teammates from across the globe. Your ImpactLead mechanical design projects for thermal generation and district energy...SeniorFor contractorsWork at officeLocal areaWorldwideFlexible hours- ...About This Role AeroLogic Manufacturing is hiring a Senior Mechanical Engineer to lead design and analysis of structural components for commercial aerospace programs. This is a high-visibility contract-to-hire role with a path to a permanent position. About This Role AeroLogic...SeniorPermanent employmentContract workRelocation package
- ...energy sector. As the project progresses through engineering and construction, they are looking to add an experienced Mechanical Engineer to take ownership of critical... ...responsibilities will include: Engineering and design of piping, fluid and mechanical systems...Senior
- ...outcome, Avalanche develops transportable fusion machines designed to be built, tested, and operated on short cycles, turning... ...right. About the Role Avalanche Energy is seeking a Senior Mechanical Engineer with deep expertise in vacuum systems to design, build,...SeniorPermanent employmentFull timeWork at office
- ...is poised for monumental growth. We are seeking a qualified Senior Mechanical Engineer to help our clients develop, contract, and implement... ...and providing mechanical engineering support for detailed design and owner’s engineer projects on both a technical and contractual...SeniorContract workWork at office
$115k - $145k
...At JH Kelly , we’re looking for a driven, systems-thinking Senior Mechanical Design Engineer who thrives on leading HVAC design direction from concept to completion—delivering coordinated, error-free designs for mechanical construction projects through calculations...SeniorWork at office- ...The Senior Mechanical Engineer is responsible for leading the design, development, analysis, and testing of mechanical systems and components. This role supports the full product lifecycle from concept through production and ensures designs meet technical, quality, and...Senior
$140k - $160k
...Seeking a Senior Mechanical Engineer with FEA Experience Turn analysis into better hardware. Simplexity is seeking a hands-on Senior Mechanical Engineer to help advance cutting-edge robotics designs, embedded with our team at a client's site in Bellevue, WA. In this...SeniorHourly payFull timeContract workTemporary workFor contractors$69 - $115 per hour
...Job Title: Senior Mechanical Engineer (Vessels) Location: Bellevue, WA Type: Contract Compensation: $69.00 - $115.00 Contractor Work Model... ...One is seeking a Senior Mechanical Engineer to create design solutions for the design development of various reactor structures...SeniorContract workFor contractorsWork experience placementLocal areaRemote work$120k - $148k
...LEAF Engineers Job Opportunity LEAF Engineers is a frontrunner for success in providing comprehensive mechanical, electrical and plumbing, technology, and fire protection engineering design services. Our engineers are focused on system performance, reliability, flexibility...SeniorWork experience placementFlexible hours$115k - $150k
...Company Description At Coffman Engineers, we serve as both prime... ...comprised of civil, structural, mechanical, electrical, fire protection,... ...on our clients' success. As a Senior Mechanical Engineer at Coffman... ..., managing projects through design and execution, and focusing on...SeniorLocal areaOverseasFlexible hours- ...Mechanical Engineer At BRINC, we are redefining public safety with an innovative ecosystem of... ...of drones and ruggedized throw phones, designed to access unsafe areas and establish communication... ...Role: We are seeking both Mid to Senior Level Mechanical Engineers to lead the...SeniorWork at officeFlexible hours
$108k - $155k
...growing supplier of propulsion hardware and engineering services for the space industry.... ...continues to accelerate. At Agile, we design, build, and test in-space propulsion... ...Agile Space Industries is seeking a Senior Mechanical Engineer in Seattle, WA or Durango, CO...SeniorFull timeTemporary workPart timeFor subcontractorFlexible hours- ...term demonstration project this fall. By leveraging modular design, manufacturing scale, efficient drilling, and latent... ...deployment speed, and cost. What you'll be doing As a Senior Mechanical Engineer, you will own critical mechanical systems within our seafloor...SeniorPermanent employmentFull timeWork experience placementFlexible hours
- ...This is a full-time remote role for a Packaging Engineer. The Packaging Engineer will be responsible for designing and developing packaging solutions, conducting research... ...(R&D) Project Management skills Mechanical Engineering skills Strong analytical and problem...SeniorFull timeRemote workFlexible hours
$84.7k - $144.43k
DLR Group is an integrated design firm with a promise to elevate the human experience through design. This fuels the work... ...’re in the right place.DLR Group has an opening for a Senior Mechanical Controls Engineer. Position SummaryAs part of the engineering team at DLR...SeniorWork at officeLocal area- ...Senior Components Engineer – Valves & Actuators Ever wanted to own a piece of rocket hardware from the first design sketch all the way through to testing and flight? I'm partnered... ...fluid-control hardware. ~ Strong mechanical engineering fundamentals, particularly...SeniorFull time
$56 - $95 per hour
...Job Title: Senior Welding Engineer Location: Bellevue, WA Type: Contract Compensation: $56... ...programs necessary for generating necessary design information. Responsibilities... ...for qualification of welds, including mechanical properties, burst testing, thermal...SeniorContract workFor contractorsLocal areaRelocation- ...OpportunityWSP is growing its nuclear engineering capability to support the next generation... ...the United States. We are seeking a Senior Mechanical Engineer (Generation) - Nuclear who... ...challenging engineering scopes, influence design decisions, and help strengthen WSP's...SeniorLocal areaFlexible hours
$146k - $210k
...Mechanical Engineer Agile Space Industries is seeking a highly experienced Mechanical Engineer in Seattle, WA. The Mechanical Engineer will drive the architectural design and innovation of rocket engine components specifically for hypergolic propulsion systems. Responsibilities...SeniorFull timeTemporary workPart timeFor subcontractorFlexible hours$120k - $140k
...food and beverage. Today, our colorful and thoughtfully designed products including the popular Quencher™ series go beyond... ...at Position Overview: We are seeking a Senior Packaging Structural Engineer to join our Packaging Engineering team. In this role, you...SeniorFull timeWork at office$103.2k - $159.6k
Senior Marine Structural Engineer Seattle, PortlandRegular, Full TimeHybridAre you interested in joining a prestigious engineering consulting firm that... ...consulting to comprehensive planning, engineering design, and construction oversight.Your key responsibilities will...SeniorFull timeLocal areaWork from homeWorldwideFlexible hours$150k - $190k
...field. We are actively seeking a Marine/Waterfront Structural Engineer with 10 to 15+ years of experience to join our Seattle, Federal... ...staff and will be responsible for leading engineering, planning, design, and analysis activities for waterfront, port and maritime...SeniorFor contractorsWork at officeWorldwide
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