{"id":1415847,"url":"https://alion.io/job/leidos-junior-software-engineer-7","title":"Junior Software Engineer","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":90,"open_postings":104,"ghost_share":0,"stale_share":0.596,"repost_share":0.01,"time_to_fill_p50_days":21,"computed_at":"2026-09-30T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Huntsville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":69550,"max":125725,"currency":"USD","period":"year","gross":null,"usd_annual":125725},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"CI/CD","optional":true},{"name":"MATLAB","optional":true},{"name":"Simulink","optional":true}],"status":"live","first_seen_at":"2026-09-28T20:36:09Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-09-30T05:27:20Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Group employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics.\nLeidos is seeking a talented Software Engineer to work in our Huntsville office. This is an exciting opportunity to use your experience to help develop software for Tactical strike guided munition programs.\nThis position focuses on the development of robust, innovative software frameworks, as well as the fielding, support, and maintenance of software products. Software products range from analysis tools/simulations, mission planning software, and components of mission-critical systems.\nPrimary Responsibilities\nAssist with design and implementation of full-stack software architecture and design patterns for missile system applications implementing major system functions (i.e. guidance, navigation, control, telemetry, and mission planning).\nParticipate in technical reviews, design reviews, and code reviews to ensure quality and compliance.\nSupport technical decisions on tools, frameworks, and development approaches.\nDevelop software that is designed to promote modularity, reusability, portability, and maintainability requirements.\nParticipate in code reviews, ensuring coding standards and best practices are applied.\nDirect communication with team members will be required on a frequent basis.\nSupport flight test operations and post-test analysis.\nDevelop software that adheres to military and aviation standards for safety, cybersecurity, and RMF.\nBasic Qualifications\nCandidate must possess at least a bachelor’s degree in Software Engineering, Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, or equivalent technical degree with an overall GPA of 3.0 or higher.\nCandidate should have 2+ years of relevant technical experience.\nCandidate must be a U.S. citizen and be eligible to obtain and maintain a U.S. Department of Defense security clearance.\nRelevant technical experience must include developing, integrating, testing, or troubleshooting embedded software or embedded-adjacent applications that interface with, operate, monitor, support, simulate, control, or communicate with embedded systems.\nMust be a resident of North Alabama or willing to relocate to the Huntsville-North Alabama area.\nDemonstrable experience with C/C++ required.\nExperience with Python or Java.\nUnderstanding of software architecture patterns and design principles.\nExperience with software configuration management principles and techniques.\nExperience with software quality engineering concepts.\nExperience with good software standards and practices.\nPreferred Qualifications\nExperience with embedded missile systems, aerospace, or weapons systems development.\nFamiliarity with real-time embedded systems.\nKnowledge of Modular Open Systems Approach (MOSA) principles and application\nExperience with containerization, CI/CD pipelines, and microservices technology.\nKnowledge of guidance & control algorithms.\nKnowledge of navigation systems.\nKnowledge of mission planning systems (NOMS, JMPS).\nKnowledge of sensors used in guidance, navigation, or mission planning systems.\nProficiency with MATLAB/Simulink for algorithm development and simulation a plus.\nUnderstanding of hardware-software integration and software systems engineering principles\nStrong problem-solving abilities and systems-level thinking.\nIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.\nOriginal Posting:\nSeptember 28, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.\nPay Range:\nPay Range $69,550.00 - $125,725.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.","description_format":"text","description_chars":5294,"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":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["National Security","C4ISR","Defense Manufacturing","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-09-28T20:36:09Z"}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":1,"expected_fill_days":21,"reasons":["conf:0","stale_co","velocity","win:early","comp:junior,brand"],"computed_at":"2026-09-30T05:45:00Z"},"pay":{"stated_usd_annual":125725,"is_top_pay":false},"html_url":"https://alion.io/job/leidos-junior-software-engineer-7","json_url":"https://alion.io/job/leidos-junior-software-engineer-7.json","meta":{"generated_at":"2026-09-30T06:18:17Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4396,"day_limit":5000,"remaining_today":604,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}