{"id":2215572,"url":"https://alion.io/job/caci-international-nasa-embedded-sensor-software-development-engineer","title":"NASA Embedded Sensor Software Development Engineer","company":{"id":58481,"name":"CACI International","domain":"caci.com","url":"https://alion.io/company/caci-international","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"D","score":44,"open_postings":830,"ghost_share":0.718,"stale_share":0.007,"repost_share":0.876,"time_to_fill_p50_days":47,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Hardware","role_family":"Hardware","seniority":"middle","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":76000,"max":155700,"currency":"USD","period":"year","gross":null,"usd_annual":155700},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Git","optional":false},{"name":"GitLab","optional":false},{"name":"Google Test","optional":false},{"name":"Jira","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Scrum","optional":false}],"status":"live","first_seen_at":"2026-10-08T00:00:00Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-11T23:23:42Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Job Title: NASA Embedded Sensor Software Development EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * * The Opportunity:\nCACI is looking for an experienced Embedded Software Development Engineer to design and develop embedded flight software (FSW) for CO2, H2O, and gas analyzer sensor controllers in support of the next-generation Spacesuit, Human Landing System (lunar lander spacecraft), and the Artemis Program at the NASA Johnson Space Center. This work involves prototyping, requirements definition, design, development, test and verification, integration, and certification of embedded software. The position also includes implementing, executing, and evaluating results of software unit test cases.\nThis position requires a self-motivated, capable software engineer with strong verbal and written communication skills. In addition to outstanding technical expertise, the individual must be very people savvy, have strong customer relationship skills, possess a positive team-player attitude, be flexible and willing to take on new assignments and responsibilities as they arise, and be an articulate speaker able to communicate complex technical ideas in a convincing manner. The individual must share our passion for our Nation's Space Program and share in the excitement of developing the next human-rated space vehicles.\nResponsibilities:\nDesign and develop embedded flight software to control CO2, H20, and gas analyzer sensors.\nCreate thorough unit tests from self-developed test plans using the UT-Assert framework and Gcov that test C code both structurally and functionally.\nEvaluate unit test case results including pass/fail results with path coverage, loop boundary limits, and Modified Condition/Decision Coverage (MC/DC).\nTroubleshoot issues with failed test cases.\nPerform C code reviews to spot errors in the code logic.\nCollaborate with other software engineers in resolving unit test case issues.\nPerform systems engineering in support of software requirements and interface definitions, design, and performance analysis.\nPerform software integration, test, and verification.\nIntegrate and test software/hardware in avionics test bed and flight certification environments.\nCollaborate with engineering teams and contractors across multiple NASA programs and projects.\nEnsure adherence to JSC standard software process practices.\nDevelop and maintain comprehensive test plans, test cases, and test scripts for software applications.\nExecute manual and automated tests to verify software functionality, performance, and security.\nIdentify, document, and track software defects using issue tracking tools.\nCollaborate with developers to reproduce and resolve software defects.\nPerform regression testing to ensure that new changes do not adversely affect existing functionality.\nThis work takes place at NASA/JSC in Houston, TX, a highly stimulating and dynamic environment that is critical in human space flight and the space exploration initiative.\nQualifications:\nRequired: \nMust be a U.S. Citizen or Permanent Resident.\nB.S. in Aerospace, Electrical, Software, Computer or Systems Engineering, Computer Science, Biomedical Engineering, or related disciplines required.\nAt least three years of experience in embedded software development. More experience is highly valued.\nStrong C programming skills.\nExperience developing software in a Linux environment.\nExperience developing C/C++ software unit tests in Aerospace or other industries, e.g., commercial software, oil and gas, petrochemical, etc. Experience should include utilizing a unit test framework such as Google Test (gTEST), UT-Assert or CppUnit.\nExperience developing embedded firmware for microcontrollers.\nMust have significant experience in the entire software life cycle.\nMust be flexible, open to new challenges in a dynamic environment, and possess strong technical expertise combined with strong verbal and written communication skills.\nRequires the ability to manage multiple priorities with little supervision.\nMust be a highly responsible, team-oriented individual with strong work ethic.\nDesired:\nM.S. in Computer Science, Software Engineering, Electrical or Computer Engineering, Aerospace Engineering, Biomedical Engineering, or related disciplines.\nPreferred that previous experience be in aerospace systems and vehicles. Experience is also valued in other industries, e.g., medical, petrochemical, oil and gas, where software function, quality, and associated processes utilized can impact human safety.\nExperience using GitLab and the Git version control system.\nPython programming skills.\nExperience developing software using various bus communication protocols (e.g., RS-485, RS-422, RS-232, Low-Voltage Differential Signaling (LVDS), 1553, USB, Ethernet).\nExperience in NASA Core Flight Software (CFS).\nExperience in software and systems integration.\nExperience in automated testing.\nExperience in verification testing.\nExperience using Jira\nExperience with both manual and automated testing.\nExperience with Agile/Scrum methodologies.\nExperience in human-rated space vehicle software, e.g., Space Shuttle, International Space Station, Orion, Commercial Crew, Gateway, in a range of systems (e.g., C&T, C&DH, GN&C).\nFamiliarity with CMMI Level 3 (or above) process areas.\n-What You Can Expect:\nA culture of integrity.\nAt CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose - to ensure the safety of our nation.\nAn environment of trust.\nCACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.\nA focus on continuous growth.\nTogether, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.\nPay Range:\nThere are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.\nThe proposed salary range for this position is:\n$76,000 - 155,700 USDCACI is an Equal Opportunity Employer.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.","description_format":"text","description_chars":7373,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible time off"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Military","National Security","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-10-10T07:51:24Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":4,"expected_fill_days":46,"reasons":["conf:2","win:early","comp:brand"],"computed_at":"2026-10-12T02:14:27Z"},"pay":{"stated_usd_annual":155700,"is_top_pay":false},"html_url":"https://alion.io/job/caci-international-nasa-embedded-sensor-software-development-engineer","json_url":"https://alion.io/job/caci-international-nasa-embedded-sensor-software-development-engineer.json","meta":{"generated_at":"2026-10-12T02:14:27Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":3192,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":58481},"rest":"https://alion.io/mcp/rest/get_company?id=58481"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcaci-international-nasa-embedded-sensor-software-development-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcaci-international-nasa-embedded-sensor-software-development-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcaci-international-nasa-embedded-sensor-software-development-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/caci-international-nasa-embedded-sensor-software-development-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcaci-international-nasa-embedded-sensor-software-development-engineer"}]}