Thermal Engineer

Thermal Engineer Job Description We are seeking a skilled Thermal Engineer with expertise in conducting detailed thermal analysis for precision optics used in infrared (IR) payloads. The role involves collaborating with design and test engineering teams to build and test subsystems and payloads for cryogenic applications. Responsibilities + Conduct detailed thermal analysis for IR payloads, including optical mirrors, mounts, windows, filters, and telescopes. + Collaborate with design and test engineering teams to ensure successful build and testing of subsystems and payloads. + Lead thermal analysis teams for IR payloads and mechanical subsystems. + Communicate effectively in internal and external presentations and reviews. + Author thermal analysis sections for Preliminary Design Reviews (PDRs), Critical Design Reviews (CDRs), and other required design reviews. + Prepare thermal analysis sections for Contract Data Requirements List (CDRLs), Supplier Data Requirements List (SDRLs), and compliance documents. + Assist in schedule, cost, and technical leadership for major subsystems and payloads. + Complete cost estimation for thermal analysis Basis of Estimates (BOEs) for proposals. + Participate in risk assessment and develop mitigation strategies for complex optical payloads. + Collaborate across functions to minimize gaps in requirements, responsibilities, and payload performance. Essential Skills + Bacheloru2019s Degree in STEM with at least 6 years of prior relevant experience, or a Graduate Degree with a minimum of 4 years of related experience. In lieu of a degree, 10 years of related experience. + 4+ years of experience in thermal analysis and testing for space environments, including temperature and vacuum. + Experience in 3D CAD design. + Thermal analysis of optical elements for optical distortion due to thermal stresses. + Experience in leading thermal vacuum test events and fixture analysis efforts. Additional Skills & Qualifications + Ability to obtain and maintain a DOD Security Clearance. + Experience with space mechanisms and infrared payloads. + Proficiency in mechanical design and CAD design. Work Environment The position is part of a large T3 government program that is fully funded for the next three years. The work schedule follows a 9/80 format, offering flexibility with a hybrid arrangement. While remote work is possible, you must be willing to go into the office as the program dictates. Job Type & Location This is a Contract position based out of Clifton, NJ. Pay and Benefits The pay range for this position is $80.00 - $110.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: u2022 Medical, dental & vision u2022 Critical Illness, Accident, and Hospital u2022 401(k) Retirement Plan u2013 Pre-tax and Roth post-tax contributions available u2022 Life Insurance (Voluntary Life & AD&D for the employee and dependents) u2022 Short and long-term disability u2022 Health Spending Account (HSA) u2022 Transportation benefits u2022 Employee Assistance Program u2022 Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a hybrid position in Clifton,NJ. Application Deadline This position is anticipated to close on Feb 20, 2026. About Actalent Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email ( ) for other accommodation options.

Created: 2026-02-09