📍 Boulder, CO, USFULL TIME💰 USD 175K–220K/yr

About this role

Minimum Clearance Required

Top Secret

Responsibilities

I2X Technologies is a reputable technology services company to the Federal Government.  Whether the focus is on space exploration, national security, cyber security, or cutting-edge engineering applications, I2X is ready to offer you the chance to make a real-world impact in your field and for your country.  We provide long-term growth and development. Headquartered in Colorado, I2X is engaged in programs across the country and in more than 20 states.  Our programs support multiple Federal agencies, the Department of Defense and often focused on the space initiatives of our government customers.

 

I2X Technologies is seeking a Thermal Engineer to support ongoing activities for a customer in Boulder, Colorado. This position will be fully on-site and will require an active Top Secret clearance. 

 

  • Thermal design and analysis of spacecraft and/or precision aerospace electro-mechanical, and/or opto-mechanical flight hardware systems, cryo systems, antenna communication systems, tactical systems, components and/or ground support equipment from concept through detail design and testing
  • Develop thermal loads and environments for hardware (spacecraft, instruments, etc.)
  • Model extensively in Thermal Desktop (preferred version 26R2)
  • Modeling tasks may include steady state and transient thermal math modeling, computation of heat transfer coefficients, and heat flow calculations. Potential analyses include:  
    • Space Vehicle (SV) level thermal distortion analysis
    • Thermal radiator and heat pipe sizing/design trade studies
    • High thermal conductivity plate modeling/design
    • Solar array model development and analysis
    • SV Heater sizing, design and placement including control sensor locations
    • Ambient testing analysis
    • General SV level modeling and analysis
    • Propulsion level design/analysis
    • Propulsion system heater sizing, design and placement including control sensor locations
    • Battery level thermal analysis
    • Battery heater sizing, design and placement including control sensor locations
    • Requirements verification
  • Design/develop thermal environmental tests required to satisfy requirements (in air and/or vacuum)
  • Support thermal environmental testing
  • Write detailed reports for test and analysis activities, presentations to customers and/or program team and development of engineering reports and/or test procedures
  • Review drawings, procedures and engineering orders for completeness, compatibility, producibility, and correctness
  • Communicate the technical and programmatic aspects of a project to the team and customer
  • Promote development of a strong team by participating in key aspects of a project
  • Lead small teams (up to five engineers) to design, develop and deliver a thermal control system
  • Work in an Integrated Product Team (IPT) design environment with other engineering disciplines such as Systems, Electrical, Project, Production, M&P, Quality and Cryogenic Engineering
  • Responsible for meeting program cost, schedule, and technical requirements
  • Maintain and update required records and reports
  • Establish and maintain effective working relationships within the department, the Strategic Business Units, Strategic Support Units and the Company. Interact appropriately with others to maintain a positive and productive work environment

Thermal Desktop • SINDA/FLUINT • FloCAD • Thermal Desktop Direct • ANSYS • Space vehicle thermal design and analysis • Propulsion module thermal design and analysis • Radiator sizing and thermal analysis • Battery thermal design and analysis • Heat pipe thermal design and analysis • Orbital analysis (LEO, MEO, GEO) • Thermal ground testing of space vehicles

 

Provide the following Deliverables:

  • Thermal Desktop 26R2 including *.dwg, *.rco and *.tdp
  • PowerPoint results summary and comparison with supporting Excel spreadsheet file
  • PowerPoint document of modeling approach, assumptions and model physical attributes (optical properties, capacitance, conductivities, MLI effective emittance)
  • For each assigned task, provide an engineering report defining effort and results
  • Qualifications

     

    • Work on-site Monday through Friday, five (5) days per week unless test support requires 24/7 coverage

     

    Essential Requirements:

    US Citizenship is required.

    Active Top Secret clearance is required. 

     

    In compliance with Colorado’s Equal Pay for Equal Work Act, the annual base salary range for this position is listed . Please note that the salary information is a general guideline only. I2X Technologies considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.

     

    Physical Demands:

    The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job with or without reasonable accommodation.

     

    While performing the duties of this job, the employee will regularly sit, walk, stand and climb stairs and steps. May require walking long distance from parking to work station. Occasionally, movement that requires twisting at the neck and/or trunk more than the average person, squatting/ stooping/kneeling, reaching above the head, and forward motion will be required. The employee will continuously be required to repeat the same hand, arm, or finger motion many times. Manual and finger dexterity are essential to this position. Specific vision abilities required by this job include close, distance, depth perception and telling differences among colors. The employee must be able to communicate through speech with clients and public. Hearing requirements include conversation in both quiet and noisy environments. Lifting may require floor to waist, waist to shoulder, or shoulder to overhead movement of up to 20 pounds. This position demands tolerance for various levels of mental stress.

     

    I2X Technologies is an Engineering and Information Technology Company focused on providing Services to the Federal and State Government. I2X offers a competitive compensation program and comprehensive benefits package to our employees.

    Frequently Asked Questions

    What is the salary for the Thermal Engineer role at isystechnologies?
    The listed salary for this Thermal Engineer position at isystechnologies is USD 175K–220K/yr. This is an FULL TIME role.
    Where is the Thermal Engineer position at isystechnologies located?
    This Thermal Engineer role at isystechnologies is based in Boulder, CO, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
    Is the Thermal Engineer role at isystechnologies full-time or part-time?
    This is listed as a FULL TIME position. It is posted as a Thermal Engineer role at isystechnologies.
    How do I apply for the Thermal Engineer position at isystechnologies?
    Click the "Apply Now" button on this page. You will be redirected to isystechnologies's official application portal hosted on icims where you can submit your application directly.
    When was the Thermal Engineer job at isystechnologies posted?
    This Thermal Engineer position at isystechnologies was posted on Jul 31, 2026. Apply as soon as possible — early applications are often reviewed first.
    Thermal Engineer
    isystechnologies · 💰 USD 175K–220K/yr
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