Systems Test Engineer (Space & Missile Warning)
Vantor· Defense & Geospatial AI· Oct 20, 2026 · 8d ago
El Segundo, CA
Hybrid
Full-time
Principal
$125K–$167K
10+ years exp
Job description
Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world.
To be eligible for this position, you must be a U.S. Citizen. This position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status. Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
Please review the job details below.
At Vantor, you’ll work with the U.S. Space Force and our teammates as part of the effort to develop and rapidly deploy the next generation of resilient Missile Warning (MW), Tactical Intelligence, Surveillance, and Reconnaissance (TISR), and Environmental Monitoring (EM) capabilities to deter attacks and provide critical information to our warfighters to defeat our enemies in battle. Within this role, you’ll test, analyze, evaluate, verify, and validate these systems, and identify areas requiring urgent mitigation up-front and early to develop this system with advanced technology solutions. Your functional expertise, communication and collaboration skills, and attention to detail will be vital as you contribute to the acquisition and development of space sensing capabilities.
Join our team and create the future of Remote Sensing in the Space Force. Due to the nature of work performed within this facility, U.S. citizenship is required.
Qualifications:
Secret clearance
Bachelor s degree in Engineering, Mathematics, Physics, Computer Science, or a technology field
10 years of experience in test and evaluation, verification, or system integration on Major Defense Acquisition Programs, including complex space or ground software and hardware systems
5 years of experience supporting Government developmental test and evaluation (DT&E) programs as part of the Lead Development Test Organization (LDTO)
Experience planning, executing, and reporting DT&E activities in support of certification of readiness to proceed to operational testing per AFI 99-103, including test procedures and artifacts IAW AFMAN 63-119
Experience executing tests, performing data analysis and reduction, and generating comprehensive test reports with findings and recommendations
Experience developing and executing Test & Evaluation Master Plans (TEMPs), System Test Plans (STPs), Requirement Verification Plans (RVPs) and Requirement Verification Reports (RVRs)
Experience conducting system of systems tests for space-to-ground or cross-segment integration, and organizing and facilitating Integrated Test Teams (ITT), Deficiency Review Boards (DRB), Materiel Improvement Project Review Boards (MIPRB) and technical interchange meetings
Ability to understand and decompose system requirements and interface specifications, allocate requirements to testable elements, define systems under test (SUT), develop test criteria, establish acceptance criteria and success metrics, and conduct Test Readiness Reviews (TRR)
Ability to communicate and establish collaborative relationships with government clients, FFRDCs, prime development contractors, and test organizations to achieve program goals, with knowledge of systems engineering standards including IEEE 15288.1 and IEEE 15288.2
Preferred Qualifications:
Experience with LDTO leadership roles including coordination with operational test agencies, weapon system certification (ITW/AA), organizing Joint Reliability and Maintainability Evaluation Team (JRMET) meetings, and generating Deficiency Reports (DR) per AFI 99-103
Experience performing requirements decomposition and allocation from system-level to segment or subsystem-level test objectives, and developing test scenarios that exercise interface control documents (ICDs) and validate interface requirements
Experience with test data analysis techniques, including statistical analysis, anomaly identification, and performance assessment against requirements
Experience performing systems engineering, integration, and testing on Overhead Persistent Infrared (OPIR) systems, missile warning systems, or space-based remote sensing systems, with direct experience on Next Gen OPIR, NGG, NGP, FORGE, RGS or related Space-Based IR Sensing programs such as SBIRS, SGEO, or SHEO
Experience supporting interoperability test and evaluation programs (including JITC Interoperability Certification Evaluation Plans and Reports), planning and coordinating integrated and combined test activities for major capability deliveries, and portfolio or program verification, validation, certification, and operational acceptance
Experience using Model-Based Systems Engineering tools (DOORS, MagicDraw) to manage system definitions, technical baselines, and requirements verification on Government classified networks, with experience using Digital Engineering (DE) models to trace requirements to verification activities
Experience conducting third-party Independent Verification & Validation (IV&V) of software and database releases
Knowledge of DoD 5000 series such as 5000.01, 5000.02, 5000.89, 5000.98, or 5000.100, MIL-STD-3022, and DoDAF architecture framework
Master s degree in Engineering, Mathematics, Physics, Computer Science, or related technical field
CTEP or INCOSE Systems Engineering Professional Certifications such as ASEP, CSEP, or ESEP Certification
Clearance: Secret
The position will require at least 2-3x per week on site. Meetings/schedules may require more days on site.
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Pay Transparency: To support pay transparency, Vantor includes salary ranges in all U.S. job postings. Starting pay for this role will fall within the listed range and will be based on factors such as experience, qualifications, skills, location, and market conditions. Candidates who meet the minimum requirements for the role should not expect to receive compensation at the top of the range. The listed range reflects the expected pay for this position, and final offers will be determined based on each candidate’s experience, expertise, and alignment with the role.
● The base pay for this position within California is: $125,000.00 - $167,000.00 - $183,700.00 annually.
For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.
Benefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: vantor.com
The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire.
The date of posting can be found on Vantor s Career page at the top of each job posting.
To apply, submit your application via Vantor s Career page.
EEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.
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