Senior Mechanical Engineer

Thea Energy

Kearny (NJ)

On-site

USD 110,000 - 180,000

Full time

14 days+

Get more replies from employers

Send a job-specific resume in minutes.

Benefits offered by this job

Comprehensive health benefits
Employee equity stock options
20 days PTO

Job summary

Thea Energy in Kearny, New Jersey, seeks experienced Mechanical Engineers to own the design and development of fusion components. Candidates should hold a bachelor’s degree in mechanical engineering or a related field and have at least 5 years of experience. Responsibilities include producing designs, performing analysis, and mentoring junior engineers. The role offers a salary range of $110,000-$180,000 and benefits like health coverage and equity options.

Qualifications

  • Minimum of 5 years of experience in mechanical engineering.
  • Experience designing, building, and commissioning custom systems.
  • Familiarity with GD&T (ASME Y14.5) & Drawing Standards.

Responsibilities

  • Ownership of the design and development of mechanical fusion components.
  • Produce mechanical designs, drawings, and specifications.
  • Communicate with internal and external stakeholders.

Skills

Mechanical engineering
CAD software (e.g. Solidworks, CATIA, NX)
Thermal, structural and electromagnetic analysis
Mentoring junior engineers
Complex assembly management

Education

Bachelor’s degree in mechanical engineering or related fields

Tools

Ansys
COMSOL

Job description

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 thermomechanical 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 members
  • Ability 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 own
Company Benefits:
  • Salary range $110,000-$180,000
  • Comprehensive health benefits (e.g. medical/dental/vision)
  • Employee equity stock options
  • 20 days PTO

Diversity and Inclusion:

Thea Energy is an equal opportunity employer committed to creating a company of diverse backgrounds. By creating a diverse environment, we will bring new ideas and approaches to solving some of the world’s hardest (and most important) problems. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, family or marital status, age, disability, veteran’s status, or other characteristic protected by applicable laws and regulations.

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

Senior Mechanical Engineer
Senior Mechanical Engineer

Hitachi Ventures GmbH • Kearny (NJ)

On-site
USD 110,000 - 180,000
Comprehensive health benefits
Employee equity stock options
20 days PTO
Mechanical Engineer
Mechanical Engineer

Thea Energy • Kearny (NJ)

On-site
USD 85,000 - 150,000
Comprehensive health benefits
Employee equity stock options
20 days PTO
Mechanical Engineer
Mechanical Engineer

Hitachi Ventures GmbH • Kearny (NJ)

On-site
USD 85,000 - 150,000
Comprehensive health benefits
Employee equity stock options
20 days PTO
Director - Mechanical Engineering
Director - Mechanical Engineering

Hitachi Ventures GmbH • Kearny (NJ)

On-site
USD 135,000 - 235,000
Comprehensive health benefits
Employee equity stock options
20 days PTO
Director - Mechanical Engineering
Director - Mechanical Engineering

Thea Energy • Kearny (NJ)

On-site
USD 135,000 - 235,000
Salary range $135,000-$235,000
Comprehensive health benefits
Employee equity stock options
+1
Engineering Technician
Engineering Technician

Hitachi Ventures GmbH • Kearny (NJ)

On-site
Hourly rate $30-43/hr
Comprehensive health benefits
Employee equity stock options
+1
Director - Systems Engineering
Director - Systems Engineering

Thea.Energy • Kearny (NJ)

On-site
USD 135,000 - 250,000
Comprehensive health benefits
Employee equity stock options
20 days PTO
Manufacturing Engineering Intern - Fall 2026
Manufacturing Engineering Intern - Fall 2026

Hitachi Ventures GmbH • Kearny (NJ)

On-site
Salary range $25/hour
Manufacturing Engineering Intern - Fall 2026
Manufacturing Engineering Intern - Fall 2026

Thea Energy, Inc. • Kearny (NJ)

On-site
Salary: $25/hour
Director - Electrical Engineering Systems
Director - Electrical Engineering Systems

Hitachi Ventures GmbH • Kearny (NJ)

On-site
USD 120,000 - 240,000
Comprehensive health benefits
Employee equity stock options
20 days PTO