{"id":3206445,"url":"https://alion.io/job/amentum-cybersecurity-space-systems-engineer","title":"Cybersecurity Space Systems Engineer","company":{"id":14861,"name":"Amentum","domain":"amentum.com","url":"https://alion.io/company/amentum","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":105,"ghost_share":0,"stale_share":0.99,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Houston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":83700,"max":null,"currency":"USD","period":"year","gross":null,"usd_annual":83700},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"RTEMS","optional":false},{"name":"SIEM","optional":false},{"name":"Threat Modeling","optional":false},{"name":"Verification & Validation","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-10-22T00:00:00Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-25T10:59:41Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you!\nWe need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth. We are excited about what we do, and we need you on our team as we take on exciting challenges for NASA’s pursuits in deep space exploration. As NASA’s largest engineering solutions provider working together with NASA at centers across the United States.\nWe have an exciting opportunity for a Cybersecurity Space Systems Engineer to join the JETSII Contract!\nThis role is a unique blend of space engineering and cybersecurity. Instead of focusing solely on how a spacecraft works, this position focuses on how to keep it safe from deliberate cyber threats. You will help protect the full range of NASA mission systems: from the spacecraft and its onboard computers to the communication links that send commands to the ground systems that support missions.\nA cyber-attack on a NASA spacecraft isn’t just a technical problem. It can threaten astronaut safety and put extremely valuable scientific missions at risk. In this role, you will help design systems that can detect unusual behavior, isolate issues, and recover on their own while in space.\nYou will help plan, build, and test cybersecurity features that ensure NASA’s missions remain safe, reliable, and resilient, even under challenging conditions.\nThe Cybersecurity Space Systems Engineer will:\nConduct threat modeling across the spacecraft, communication links, and ground systems using space focused security tools (e.g., SPARTA) and methods. \nDesign secure ways for a spacecraft’s internal systems to communicate (cryptographic key management framework) without slowing down critical operations.\nReview outside software and code before it is compiled into the flight software ensuring nothing harmful is introduced.\nDevelop lightweight monitoring tools that monitor for unexpected behavior in telemetry, commands, or onboard systems.\nBuild automated safety responses so the spacecraft can quickly isolate a threat and protect essential systems even without real time support from Earth.\nLead cross-functional teams through practice or real cybersecurity events, helping coordinate actions between ground stations, network engineering teams, and flight operations to securely patch or override flight software.\nEvaluate engineering designs evaluate designs, interface control documents (ICDs), and flight software architectures to ensure adherence to rigorous cyber-resiliency baselines.\nTranslate cybersecurity goals into traditional space system engineering deliverables.\nPerform engineering trade studies to find the right balance between strong cybersecurity postures (e.g., cryptographic overhead, zero-trust auditing) against the limited power, computing, and communication resources available in space.\nPerform other duties as assigned.\nRequisition Qualifications:\nThis position has been posted at multiple levels. Depending on the candidate's experience, requirements, and business needs, we reserve the right to consider candidates at any level for which this position has been advertised.\nTypically requires a bachelor’s degree or equivalent certification in a related area and a minimum of 5 years of experience in the field or in a related area. 83700\nBachelor’s degree in an engineering or STEM field such as Aerospace, Space Systems, Computer, Software, or Electrical Engineering.\nExperience participating in or reviewing major design milestones (e.g., SRR, PDR, CDR).\nUnderstanding of the systems engineering lifecycle, including writing verifiable requirements, managing verification matrices (V&V via test, analysis, inspection, demonstration), and configuration management.\nAbility to obtain and maintain a TS/SCI security clearance.\nExperience weighing cybersecurity needs against spacecraft constraints (e.g., CPU limitations, thermal footprints, limited power budgets, and low-telemetry bandwidth).\nExperience working across disciplines and explaining cyber risks to engineers and mission leaders who may not specialize in cybersecurity.\nRequisition Preferences:\n5-8 years of growing experience in space systems engineering.\nMaster’s degree in Space Systems Engineering with work focused on Cybersecurity Embedded Systems Security, or Autonomous System Resiliency.\nStrong understanding of real time operating systems (like VxWorks, RTEMS, or NASA Core Flight System) and lower level programming used in spacecraft software (C/C++).\nExperience applying defensive cybersecurity concepts directly to aerospace systems.\nExperience working with intrusion detection systems (IDS), SIEM, packet capture analytics, and telemetry log analysis scaled down for resource-constrained environments.\nKnowledge of how to protect onboard artificial intelligence\nCompensation:\nSalary starts at $83,700. Final pay will be commensurate with the candidate's experience, skills, and qualifications.\nWhy Join Our Team?\nIn addition to exciting career opportunities, we also ave:\nExcellent personal and professional career growth\n9/80 work schedule (every other Friday off), when applicable\nOnsite cafeteria (breakfast & lunch)\nMuch, much more!\nFor more information on our partnership with NASA at Johnson Space Center (JSC), please visit www.wehavespaceforyou.com\nProof of U.S. Citizenship or US Permanent Residency may be a requirement for this position.\nMust be able to complete a U.S. government background investigation.\nManagement has the prerogative to select at any level for which the position is advertised.\nEssential Functions\nWork Environment\nGenerally, an office environment, but can involve inside or outside work depending on task.\nPhysical Requirements\nWork may involve sitting or standing for extended periods (90% of time). May require lifting and carrying up to 25 lbs. (5% of time).\nEquipment and Machines\nStandard office equipment (PC, telephone, printer, etc.).\nAttendance\nRegular attendance in accordance with established work schedule is critical. Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements.\nOther Essential Functions\nProfessional behavior that enhances productivity and promotes teamwork and cooperation. Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.\n#JETS #JETSII\nCompensation Details:\nIT2The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.\nBenefits Overview:\nOur health and welfare benefits are designed to support you and your priorities. Offerings include:\nHealth, dental, and vision insurance\n\nPaid time off and holidays\n\nRetirement benefits (including 401(k) matching)\n\nEducational reimbursement\n\nParental leave\n\nEmployee stock purchase plan\n\nTax-saving options\n\nDisability and life insurance\n\nPet insurance\n\nNote: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.\nOriginal Posting:\n10/22/2026 - Until FilledAmentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.\nAmentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. 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