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Eclss System Engineer Jobs (NOW HIRING)

Software Test Engineer

Houston, TX · On-site

$125K - $200K/yr

... systems (ECLSS), guidance, navigation and control (GN&C), caution and warning (C&W), power ... Collaborate closely with software developers, systems engineers, and subject matter experts ...

Thermal Analysis Engineer The selected candidate will lead thermal analysis efforts for spacecraft ... Development of environmental control and life support systems (ECLSS) or related subsystems for ...

Thermal Analysis Engineer Us Citizens Spacecraft project. Located in Houston, Denver, or Tucson ... Development of environmental control and life support systems (ECLSS) or related subsystems for ...

ECLS Hardware Engineer

Merritt Island, FL · On-site

$107K - $141K/yr

You will be the primary technical owner for specific ECLSS and crew systems hardware components ... Directly perform detailed engineering calculations including heat transfer, fluid dynamics, and ...

ECLS Hardware Engineer

Woodland Hills, CA · On-site

$129K - $171K/yr

You will be the primary technical owner for specific ECLSS and crew systems hardware components ... Directly perform detailed engineering calculations including heat transfer, fluid dynamics, and ...

As part of the Sensor Development Team, you will be a cross-disciplinary engineer collaborating with Environmental Control and Life Support Systems (ECLSS), Avionics, and Flight Software, to design ...

ECLS Hardware Engineer

Denver, CO

$127K - $167K/yr

You will be the primary technical owner for specific ECLSS and crew systems hardware components ... Directly perform detailed engineering calculations including heat transfer, fluid dynamics, and ...

Collaborate with ECLSS, fluids, thermal, avionics, structures, and systems teams to improve ... Bachelor's degree in Aerospace Engineering, Mechanical Engineering, Acoustics, or a related field ...

You will develop fault-tolerant code for safety-critical systems, and work closely with the ... Work cross functionally with all other disciplines GNC, Thermal, Propulsion, Power, and ECLSS to ...

ECLS Hardware Engineer

Los Angeles, CA

$133K - $175K/yr

You will be the primary technical owner for specific ECLSS and crew systems hardware components ... Directly perform detailed engineering calculations including heat transfer, fluid dynamics, and ...

ECLS Hardware Engineer

Seattle, WA

$140K - $185K/yr

You will be the primary technical owner for specific ECLSS and crew systems hardware components ... Directly perform detailed engineering calculations including heat transfer, fluid dynamics, and ...

ECLS Hardware Engineer

Seattle, WA · On-site

$140K - $185K/yr

You will be the primary technical owner for specific ECLSS and crew systems hardware components ... Directly perform detailed engineering calculations including heat transfer, fluid dynamics, and ...

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Eclss System Engineer information

See salary details

$53.5K

$127.2K

$167K

How much do eclss system engineer jobs pay per year?

As of Jun 5, 2026, the average yearly pay for eclss system engineer in the United States is $127,215.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $157,000.00 per year, depending on experience, location, and employer.

What are some common challenges faced by ECLSS System Engineers when integrating life support systems into spacecraft designs?

ECLSS System Engineers often encounter challenges related to balancing strict mass, power, and volume constraints with the need for reliability and redundancy in life support systems. Integrating these complex systems requires close collaboration with propulsion, thermal, and avionics teams to ensure compatibility and overall mission safety. Additionally, engineers must stay updated with evolving NASA and international standards, which can impact design requirements and timelines. Addressing unexpected interactions between subsystems during testing is another frequent hurdle, requiring strong problem-solving skills and adaptability.

What are the key skills and qualifications needed to thrive as an ECLSS (Environmental Control and Life Support System) System Engineer, and why are they important?

To thrive as an ECLSS System Engineer, you need a solid background in mechanical, chemical, or aerospace engineering, often with a relevant degree and experience in life support or spacecraft systems. Familiarity with modeling software (such as MATLAB or Simulink), systems integration tools, and industry standards like NASA's technical requirements is crucial. Strong problem-solving, collaboration, and communication skills help you work effectively within multidisciplinary teams and respond to complex challenges. These competencies ensure the safe, efficient design and operation of life support systems critical to human space missions.

What is an ECLSS System Engineer?

An ECLSS System Engineer is a professional who specializes in the design, development, and maintenance of Environmental Control and Life Support Systems (ECLSS) used in spacecraft and space habitats. These systems are responsible for providing and maintaining safe and habitable conditions for astronauts by managing air, water, temperature, and waste. ECLSS System Engineers work on complex engineering challenges to ensure that life support systems function reliably in the harsh environment of space. Their responsibilities often include system integration, testing, troubleshooting, and continuous improvement of life support technologies.

What is the difference between Eclss System Engineer vs Eclss Software Engineer?

AspectEclss System EngineerEclss Software Engineer
CredentialsBachelor's in Engineering, certifications in systems or aerospaceBachelor's in Computer Science or Software Engineering, coding certifications
Work EnvironmentSystems integration, hardware and software coordination in aerospace projectsSoftware development, coding, testing in aerospace or defense sectors
Industry UsageDesigning and managing ECLSS systems in spacecraftDeveloping software components for ECLSS systems

The Eclss System Engineer focuses on integrating and managing environmental control and life support systems hardware and overall system performance. In contrast, the Eclss Software Engineer specializes in developing and testing the software components that control and monitor these systems. Both roles are essential in aerospace projects but differ mainly in their focus on hardware versus software development.

More about Eclss System Engineer jobs
What cities are hiring for Eclss System Engineer jobs? Cities with the most Eclss System Engineer job openings:
What states have the most Eclss System Engineer jobs? States with the most job openings for Eclss System Engineer jobs include:
What job categories do people searching Eclss System Engineer jobs look for? The top searched job categories for Eclss System Engineer jobs are:
Infographic showing various Eclss System Engineer job openings in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $127,215 per year, or $61.2 per hour.
Environmental Control and Life Support System Air Team - Project Engineer - Space Systems

Environmental Control and Life Support System Air Team - Project Engineer - Space Systems

Oceaneering International, Inc.

Houston, TX • On-site

Full-time

Medical, Life, Retirement, PTO

Posted 7 days ago


Oceaneering rating

7.3

Company rating: 7.3 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

250th of 416 rated machine equipment manufacturers


Job description

Are you passionate about solving complex problems? Join our dynamic team as an Environmental Control and Life Support System Air Team - Project Engineer and become a vital contributor to support NASA as an Oceaneering Teammate on the JSC Engineering, Technology, and Science (JETS) II contract. As an integral part of our organization, you'll play a crucial role in the Life Support and Systems Projects section in the Engineering Department on the NASA JSC Engineering, Technology and Science II (JETS II) Contract.

This role will give you the opportunity to immerse yourself in the thrilling world of human spaceflight and deep space exploration programs. Your contributions will ensure that our services not only meet - but outperform all standards and expectations. As an Environmental Control and Life Support System Air Team - Project Engineer, you'll find yourself at the forefront of innovation, collaborating with a passionate team who shares your dedication to excellence. If you're seeking to immerse yourself in an environment where your skills and expertise will make a genuine impact, we invite you to join our team! 

We are seeking someone with a keen eye for detail, a strong commitment to owning their work, and providing superior quality. You should be a person who thrives in a diverse environment and who is comfortable communicating at all levels of the organization. To be successful in this role, you should have a sense of genuine, engaging curiosity, and a desire for growth and continuous learning. 

Someone in this role would typically have a Bachelor's degree in Engineering and normally possess 5-10 years of experience.  This position can be hired at any level in our professional career framework, depending on business need at the time of hire.

**International travel may be required. Possible straight time overtime and a 9/80 work schedule (every other Friday off) ** 

Required

  • Typically requires a Bachelor's degree in Engineering with minimum of 5-10 years of experience in the field or related area
  • Experience with the development of project planning documents
  • Experience with the design, assembly, verification, testing, and operation of space hardware systems
  • Knowledge of commonly used concepts, practices, and procedures in the space hardware field, such as mechanical and electrical system design, engineering drawings and sketches, material selection, and design software and tools
  • Ability to prepare written documents and to verbally present at various meetings
  • Familiarity with Microsoft Office products.

Preferred 

  • Familiar with Johnson Space Center (JSC) organizations, processes, and procedures
  • Familiarity with Peroxide Generation Unit
  • Prior experience working in a system development project/program
  • Experience with NASA/JSC Class I flight hardware process and certification.
  • Flight demo experience
  • Familiarity with feasibility assessments and trade studies
  • Self-motivated problem-solver.
  • Team player who is adaptable to a dynamic environment and the ability to complete all assignments as required. 

Proof of U.S. Citizenship or US Permanent Residency is a requirement for this position.
Must be able to complete a U.S. government background investigation.
Management has the prerogative to select at any level for which the position is advertised.

Requires working indoors in environmentally controlled conditions
Job tasks are performed in close physical proximity to other people

All qualified candidates will receive consideration for all positions without regard to race, color, age, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, veteran status, disability, genetic information, or other non-merit factors.

We offer a comprehensive and competitive benefits package. Employee benefits vary by role, however, may include Health and Wellness, Mental Health, Retirement Savings, Life and Disability, Paid Maternity and Parental Leave, Paid Time Off, Tuition Reimbursement, and an Employee Assistance Program.

As an Environmental Control and Life Support System Air Team - Project Engineer you will:

  • Develop project documentation and maintaining status of drawings, and procurements.
  • Generate essential paperwork and documents for tasks assigned, such as Task Performance Sheets (TPS), Discrepancy Reports (DR), and Detailed Test Procedures (DTP), as needed
  • Work with ECLSS Air Team to ensure the test strategy will provide sufficient information on the system performance and capabilities
  • Inspect hardware upon receipt to verify match with fabrication drawing/models
  • Test rig and equipment buildup as needed
  • Perform all system testing
  • Design and develop piping and instrumentation diagrams (PIDs) for life support systems.
  • Perform pressure system calculations to verify system safety and ensure optimal function.
  • Develop and present design/test readiness reviews.
  • Develop test plan and test reports
  • Schedule testing with test facilities
  • Work with the ECLSS Air Team to develop a test schedule
  • Work with procurement personnel and vendors to order and secure procurements
  • Gather data analysis of test results
  • Assist project management with configuration control of project documentation
  • Development of test procedures including working with various organizations across JSC for flight certification of hardware.
  • Develop presentations.
  • Develop logistics, manufacturing and procurement plan
  • Work in a team environment and report to the project manager to provide status on progress and issues and for support.
  •  Perform other duties as required.

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