Senior Mechanical Engineer
$110k - $180kHitachi
About Thea Energy:
Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. Thea Energy is on a mission to create a limitless source of zero emission energy for a sustainable future.
Position Overview:
Thea Energy is looking for experienced, highly motivated mechanical engineers to join its rapidly growing team. Mechanical engineers will have ownership of the mechanical design and development of primary and secondary components and subsystems in the development of Thea Energy’s stellarator fusion systems. You will be responsible for structural and thermo-mechanical design, manufacturability, development, and commissioning of these systems. The Thea Energy team is comprised of driven, creative, and fun individuals passionate about solving complex problems.
Key Responsibility Areas:
- Have ownership of the design and development of primary and secondary mechanical fusion components and subsystems
- Work with core system-level development teams to define prototyping requirements
- Produce mechanical engineering designs, drawings, specifications, and parameters from first principles with appropriate tolerances for vendor quoting and manufacturing
- Design tooling for assembly
- Perform thermal, structural, and electromagnetic analysis and simulation using Ansys and COMSOL
- Incorporate design for manufacturing principles and support first builds
- Support the implementation of tooling and manufacturing
- Design and execute qualification testing
- Track and report results and progress against program goals and milestones
- Communicate and collaborate with internal and external stakeholders
- Mentor junior engineers
Ideal Experience & Skillsets:
- Minimum of a bachelor’s degree in mechanical engineering, aerospace engineering, physics, or related fields
- Minimum of 5 years of experience
- Extensive experience as a lead designing, building, and commissioning custom systems
- Experience in mechanical engineering using CAD software (e.g. Solidworks, CATIA, NX, etc.)
- Management of complex assemblies with multiple contributors
- Experience specifying machining, welding, and/or fabrication requirements
- Ability to mentor junior engineers in methods to decompose complex problems, and review that work
- Ability to take initiative and guide the design and analysis of complex components and systems with the aid of peers and team membersAbility to execute and flourish in a fast-paced, rapidly changing environment
- Familiarity with GD&T (ASME Y14.5) & Drawing Standards
- Experience owning systems or complex sub-systems
- Comfortable working to aggressive deadlines
- Exceptional work ethic
- Strong team member with clear communication and collaboration skills
- Innate desire to learn, innovate, and critique ideas including one’s
$110,000 - $180,000 a year
It’s not necessary to meet all of the skillsets outlined above. Please feel free to send
Diversity and Inclusion:
Thea
#J-18808-Ljbffr- **Senior Mechanical Engineer | Philadelphia, PA** **Location:** Philadelphia, PA **Markets:** Education **Required Skills and Abilities** **Required Skills and Abilities** **Education and Experience** **Skills and Abilities** **Physical Requirements****IMEG**, an employee...SeniorFlexible hours
- ...Join a leading MEP firm in Washington, DC as a Senior Mechanical Engineer. This nationally recognized firm, with 600 employees across 19 U.S. offices, delivers impactful, technically sound solutions in commercial, healthcare, education, lab, and government sectors. Known...SeniorHourly pay
- ...Blue Origin LLC seeks an experienced Senior Mechanical Design Engineer to lead the design of pressure vessels, piping systems, and mechanical components for spaceflight propulsion ecosystems. You will serve as the technical authority on code compliance and work across...Senior
$100k - $150k
...Salary Range: $100,000.00 To $150,000.00 Annually Senior Mechanical Engineer Location: Dahlgren, VA (On-Site) This role requires full-time, on-site support in Dahlgren, VA; remote or telework arrangements are not available. Employment Type: Full-Time Salary Range...SeniorFull timeLocal areaRemote work- ...application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Senior Mechanical Engineer Full Time Cincinnati, OH, US Job Responsibilities The Engineering Department at Kinetic Vision is expanding...SeniorFull timeWork experience placement
- ...Hardware Engineering Vehicle Integration Senior Mechanical Engineer PlusAI is a Physical AI company pioneering AI‑based virtual driver software for factory‑built autonomous trucks. Headquartered in Silicon Valley with operations in the United States and Europe,...Senior
$128k - $136k
...is one of the oldest and most respected engineering firms in the country. We are Client Inspired... ...team of engineers and designers in mechanical, electrical, plumbing, fire protection/life... .... Osborn Engineering is seeking a Senior Mechanical Engineer with 10-20 years of...SeniorFor contractorsWork at office$115k - $182k
...As aSenior Mechanical Engineer,you will be a technical leader in the design and optimization of mechanical systems for Fervo’s innovative power... ...speed and scale of Fervo’s mission. Description As a Senior Mechanical Engineer, you will be a technical leader in the...SeniorTemporary workWork at officeLocal areaImmediate startFlexible hours- ## Senior Mechanical EngineerApply: Philadelphia, PA: Part time: Posted Today: 2026-001242# What You'll Be Doing**Job Scope:** Generally responsible... ...for supervision and technical direction over a team of engineers and designers when functioning as a lead engineer. As lead...SeniorPart time
- ...Extreme Engineering Solutions (X-ES) is looking for a Senior Mechanical Engineer to support the development of rugged single board computers and systems. This role focuses on mechanical design and verification, including 3D modeling, drawing creation, analysis, and electromechanical...SeniorTemporary workCasual workWork at officeLocal areaFlexible hoursDay shift
$140k - $180k
...Role: Senior Mechanical Engineer Department: Hardware Engineering Reports To: Director of Hardware Engineering Compensation Range: $140,000.00 - $180,000.00 annual salary About Us Headquartered in Berkeley, CA, Bellwether Coffee is working to positively...SeniorLocal areaOverseas- ...Dental, and Vision Benefits! High-growth organization with advancement opportunities! About the Role: As a Senior Mechanical Design Engineer with Maverick Power you will be working with our engineering and manufacturing teams to design and produce power distribution...Senior
- ...Location: Cressona, PA, US, 17929 Career area: Engineering Department: Engineering Lead Job Type: Permanent Apply by: This position will... ...What you will be doing Job Summary: The Mechanical Engineer is responsible for providing engineering expertise to...SeniorPermanent employmentFor contractorsLocal areaWorldwide
- ...projects from start to finish 100% with little to no oversight. Senior Engineers tackle our most complex projects. Provides oversight,... ...scope of work, budget, and staffing Write scope of work for mechanical design based on preliminary review and meetings with the client...SeniorFor contractors
- ...Design and Development: Design, develop and review mechanical specifications for distribution transformers, ensuring compliance... ...and overall component and accessory layouts. Utilize engineering software (e.g., AutoCAD, SolidEdge, or proprietary transformer...SeniorRemote work
- ...LKC Technologies is seeking an experienced Senior Mechanical Engineer to join a collaborative Research & Development team focused on innovative medical devices. In this onsite role in Germantown, Maryland, you will contribute to the design, validation, and commercialization...Senior
- ...Select how often (in days) to receive an alert: Location: Any (preference Naperville, IL/Atlanta, GA/Ridgeland, MS) Senior Mechanical Design Engineer – Nuclear Projects Are you a seasoned engineer ready to take on complex challenges and lead innovative projects in...SeniorWork at officeImmediate startWork from homeWorldwideFlexible hours
$140k - $185k
...manufacturing. We are a team of builders, engineers, and operators who believe nuclear... ...As part of the Engineering organization, Mechanical Engineering designs and develops the mechanical... ...Role We're seeking a highly skilled Senior Mechanical Design Engineer to join our...SeniorPermanent employment- ...learn how you could help make great things possible not only in your community, but around the world. In the role of Senior Mechanical Engineer, we'll count on you to: Coordinate the work of Mechanical Engineers with the balance of a multidiscipline team throughout...SeniorFull timeContract workWork at office
- ...within our MEP team will drive the design and management of mechanical engineering projects, ensuring the successful execution of HVAC, plumbing... ...fire protection systems across a variety of sectors. The Senior Mechanical Engineer will provide technical oversight, mentorship...SeniorWork at officeFlexible hours
$150k - $170k
...for the world’s built and natural environments. As a team of engineers, architects, designers, scientists, creators and a community of... ...your experience looks like ~15+ years in project management/ mechanical design experience. ~ PE License ~ Must be a degreed...SeniorFull time$121.2k - $166.7k
...Bio-Rad is looking for an enthusiastic Senior Mechanical Engineer to support its global organization. You will be part of the innovative Mechanical Engineering Team developing complex solutions for our next generation Life Science instruments. We need a solid mechanical...SeniorWork experience placementWork at office- ...OPPORTUNITY Salt Lake City, Utah Office Since 2005, Nordmin Engineering Ltd. has provided engineering, technical and project... ...from qualified candidates for the following position: SENIOR MECHANICAL ENGINEER JOB SUMMARY The successful applicant will be...SeniorWork at officeLocal areaFlexible hours
- ...Description Description TRI Austin seeks an experienced and highly motivated Senior Mechanical Engineer to take a leading role in our multidisciplinary R&D team. This strategic position combines advanced mechanical design and analysis, prototype fabrication and...SeniorFor subcontractor
- ...thermal extremes, and unpredictable jobsite conditions. Mechanical engineering is at the foundation of this mission. Our hardware must be robust... ...in the elements. If that excites you, you're the kind of Senior Mechanical Engineer who will thrive here....Senior
$110k - $150k
## Mechanical EngineerApplylocations: Atlanta, GAtime type: Full timeposted on: Posted Todayjob... ...is a fully integrated architecture, engineering, construction, system integration, and consulting... ...realize their most important goals.* Senior Mechanical Engineer on multidiscipline...SeniorWork at officeLocal areaRemote workRelocationRelocation packageFlexible hours$120k - $148k
...Job Category : Engineering Support Services 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...Senior$137.3k - $185.7k
...cutting-edge AI, sophisticated control systems, and advanced mechanical design to create adaptable automation solutions capable of... ..., and human-robot interaction. We’re looking for a Senior Mechanical Engineer to lead mechanical design for advanced manufacturing facilities...SeniorContract workFlexible hours- ...practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that... ...About the Role Radiant is seeking a highly motivated Senior Mechanical Engineer, Turbomachinery (Rotordynamics) to join the team...SeniorFull timeSummer workRemote workFlexible hoursWeekend work
- ...education and is being adopted by many of the world’s leading medical schools and institutions. About the Role: As a Senior Mechanical Design Engineer , you will take ownership of complex and open-ended mechanical engineering projects at Anatomage. You will work...SeniorWork experience placementCasual workH1bWork at officeLocal area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Mechanical Engineer. Be the first to apply!
- senior living Eastern, KY
- senior associate vice president Eastern, KY
- senior app developer Eastern, KY
- senior manufacturing engineer Eastern, KY
- senior ml engineer Eastern, KY
- senior data analyst Eastern, KY
- senior executive director Eastern, KY
- senior financial systems analyst Eastern, KY
- senior application support engineer Eastern, KY
- senior recruitment consultant Eastern, KY

