{"id":3995821,"url":"https://alion.io/job/hx5-flight-software-engineer","title":"Flight Software Engineer","company":{"id":4442190,"name":"HX5","domain":"hxfive.com","url":"https://alion.io/company/hx5","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":"junior","employment_type":null,"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":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Confluence","optional":false},{"name":"DO-178C","optional":false},{"name":"GitLab","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"RTOS","optional":false}],"status":"live","first_seen_at":"2026-11-09T20:23:54Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T01:12:43Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Flight Software Engineer\nEngineer III\nR0174940\nNASA Johnson Space Center\nHouston, Texas\nHX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide.\nHX5 is currently seeking a Flight Software Engineerto join the team at NASA Johnson Space Center in Houston, Texas.\nEssential Duties and Responsibilities:\nThe Spacecraft Core Flight Software Engineer will:\nHave knowledge and work experience on the full life cycle of software development and life cycle of software verification\nDemonstrate ability to work independently and in collaboration within the team members as well as the external teams across the program\nHave ability to analyze user and system requirements and translate them into software designs and performance specifications\nHave knowledge of software testing methodologies, test planning, execution, validation, and quality assurance processes\nShow proficiency in software development, including designing, coding, testing, modifying, and maintaining complex software applications\nPerform software testing and verification\nDevelop software documentation\nServe as SW Development and SW Testing Subject Matter Expert\nDevelop unit and interface verification tests\nPerform other duties as assigned\nEducation and Experience\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.\nBachelor's degree in engineering.\nTwo (2) to Five (5) years of experience in the field or in a related area.\nPrograming Languages and Skills: C/C++, Python, NASA Core Flight Software (CFS), Core Flight Software Testing Frame (CTF), Real Time Operating System (RTOS)\nProficiency with C coding in a Linux environment\nFamiliarity with Integrated Development Environment (IDE) tools\nExperience debugging software and implementing software fixes\nExperience developing, reviewing, and maintaining technical documentation, including software and system-level documentation\nAbility to work in a team environment and independently\nSystem and software configuration management experience\nGood oral and written communication with customers and team members\nExcellent time management skills and ability to manage multiple actions, and both short-term and long-term projects\nCustomer service oriented\nMust be willing to work onsite at Johnson Space Center\nPreferences\nExperience with agile software development\nExperience with embedded processors\nLeadership experience leading and coordinating software development and test activities\nData-driven architecture experience\nExperience with Core Flight System (cFS) Applications (or similar flight software framework)\nExperience with NASA NPR 7150.2 or DO-178C\nExperience with NASA Safety Standards and requirements, NASA-STD-8739.8, that drive the processes for Safety Critical Software Development\nExperience working as part of an Integrated Product Team to develop and test safety-critical flight software\nExperience with software testing and verification\nExperience developing software across the full development life cycle\nExperience with the following web-based collaboration tools:\nAtlassian Tools (JIRA, Confluence, etc)\nGitLab\nQuick learner and self-motivated\nAbility to manage multiple priorities with little supervision\nHighly responsible, team-oriented individual with strong work ethic\nHighly developed coordination and organization skills\nPosition Type/Expected Hours of Work:\nThis is a full-time position and offers a 9/80 work schedule (every other Friday off).\nOther Position Requirements:\nProof of U.S. Citizenship or US Permanent Residency is 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.\nHX5 offers a competitive salary and benefits package to include:\nMedical/Dental/Vision Insurance\n401(k) plan with Company Match\nPaid Holidays\nPaid Time Off\nParental Leave\nLife Insurance\nTuition Reimbursement\nMedical and Dependent Care Flexible Spending Accounts\nPet Insurance\nHX5, LLC is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, age, national origin, ancestry, citizenship, disability, or veteran status.\nHX5, LLC is a Drug Free Workplace Employer.\nACCESSIBILITY NOTICE: If you need a reasonable accommodation for any part of the employment process due to a physical or mental disability, please call (850) 362-6551.\nCJ","description_format":"text","description_chars":4732,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Life insurance","Parental leave","Vision insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Engineering Services"],"lifecycle":[{"event":"open","at":"2026-11-10T01:12:43Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring 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