Environmental & Thermal Controls Systems Technician II

Vast is looking for an Environmental & Thermal Controls Systems Technician II to play a vital role in the development, verification, and validation of spacecraft fluid systems. These systems involve the movement, control, and containment of various hydraulic fluids/gases and testing media (like liquid nitrogen, Helium, and Gaseous Nitrogen), and environmental control systems. for Haven-1 and beyond. 

This will be a full-time, non-exempt position in our Long Beach location. 

Responsibilities: 

• Assemble, install, and test high-pressure fluid systems (including oxygen and refrigerants) and flight hardware
• Operate test stands and execute procedures to validate pressure, temperature, flow, and leak integrity
• Support in Thermal Vacuum, EMI, & Vibration testing
• Connect instrumentation, valves, and sensors per engineering schematics and activate systems validating health and functionality
• Perform pneumatic, cryogenic, and hazardous fluid handling and testing demonstrating diligence and safety conscious practices
• Read and interpret engineering drawings and detailed work instructions
• Use precision tools such as torque wrenches, micrometers, and calipers, along with general mechanical tools independently
• Use data acquisition systems to monitor and evaluate sensor readings
• Identify, report, and assist in troubleshooting anomalies or test failures
• Support/conduct test campaigns for development, qualification, acceptance, and investigations
• Prepare and maintain clean, leak-free ground support fluid systems following industry standards
• Support spacecraft operations including fueling and fluid line purging
• Validate flight hardware prior to integration and launch
• Perform routine maintenance and calibration of test equipment
• Maintain cleanliness, consumables, tool control, and readiness of lab and workshop environments
• Ensure safe, timely, and professional execution of all production tasks
• Perform other related duties to support an efficient and effective work environment i.e. 5s, project updates, etc.

Minimum Qualifications:

• High school diploma or equivalency certificate
• 2+ years of experience in hardware assembly, test, and/or installation of fluid systems

Preferred Skills & Experience:

• Experience in aerospace, aviation, military, power and gas, or other high-reliability operating environments
• Hands-on experience assembling and testing thermal control systems, propulsion systems, or similar hardware
• Skilled in precision cleaning and assembly of precision-cleaned systems, including ISO 7 & ISO 8 cleanroom work
• Background working with Developmental flight hardware in fast-paced production environments
• Proficient in the use of hand tools, power tools, and machinery requiring manual dexterity and attention to detail
• Experience building, modifying, troubleshooting, maintaining, and operating high-pressure and hazardous systems (e.g., cryogenic, flammable, pyrophoric, hypergolic, or high voltage)
• Familiar with Electrical and fluid system schematics and able to identify and explain commonly used components
• Experience with automation and control systems, including data acquisition systems and programmable logic controllers (PLCs)
• Proficient in reading and interpreting technical drawings(GD&T), manuals, and engineering documentation
• Familiarity with relevant aerospace testing standards (e.g., SMC-S-016, MIL-STD-810G, GSFC-STD-7000B)
• Skilled in operating forklifts, cranes, and other heavy equipment
• Competent with precision measuring instruments (e.g., calipers, micrometers, gauges, sensors)
• Strong team player with effective verbal and written communication skills
• Adaptable to rapidly shifting roles and responsibilities in a dynamic work environment
• Experienced with JIRA, Confluence, and collaborative project managing  digital tools
• Proficient in MS Office and Google Workspace applications

Additional Requirements:

• Must be willing to work all shifts, overtime, and/or weekends as needed
• Must be able to lift at least 25 lbs. unassisted
• Must be able to climb ladders and be comfortable working in tight spaces
• Must be willing to travel when needed from weeks at a time to support vehicle testing and integration (Mojave, Ohio, Florida)

Pay Range: 

• Technician II: $28.00 - $40.00