{"id":4112405,"url":"https://alion.io/job/leidos-software-developer-23","title":"Software Developer","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":"B","score":77,"open_postings":330,"ghost_share":0.003,"stale_share":0.888,"repost_share":0.012,"time_to_fill_p50_days":28,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Backend","role_family":"Backend","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":["Colorado Springs, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":87100,"max":157450,"currency":"USD","period":"year","gross":null,"usd_annual":157450},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Java","optional":false},{"name":"Fortran","optional":true}],"status":"live","first_seen_at":"2026-11-10T00:00:00Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-11T23:35:58Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"POSITION: Software Developer\nLocation: Colorado Springs, CO\nMake an Impact with Leidos!\nLeidos Defense Sector has an opportunity in the Integrated Tactical Warning/Attack Assessment (ITW/AA) and Missile Defense mission areas.\nYour Greatest Work is Ahead!\nThis Software Developer role includes trade studies, system engineering, model-based system engineering, portfolio analysis, software development demonstration and product testing and deployment to Cheyenne Mountain. Leidos is focused on finding the best people, processes, and tools that will provide solutions in data integration and fusion, data analytics, data mining, predictive analytics, data visualization, and decision support tools. This position will report directly to the Program Manager.\nPrimary Responsibilities:\nDesign and implement containerized environments for Java and C++ applications.\nDevelop mission-critical software supporting missile defense systems.\nCommunicate and document technical solutions for integrated engineering teams in a fast-paced environment.\nStay updated on state-of-the-art programming techniques and technologies.\nConduct software design and code reviews to ensure product quality.\nCollaborate with System Engineering teams to synchronize, schedule, and demonstrate capabilities to customers.\nManage regression coding and deployment delays with third-party contractors and stakeholders.\nRequired Qualifications:\nBachelor’s degree in Software development or related discipline with 4+ years of relevant experience. (Additional related experience, training, and/or certifications may substitute degree requirements)\nUS Citizen; Currently possess an active DoD Secret security clearance.\nExpertise in C++ and Java programming.\nExperience in developing micro-services and containerized environments.\nStrong ability to work independently and collaboratively within engineering teams.\nFamiliarity with Agile software development processes.\nPreferred Qualifications:\nMaster's degree in associated field\nEffective communication skills and experience managing multiple tasks.\nExperience in FORTRAN\nExperience with missile warning and missile defense\nUnderstanding of missile warning message types\nAMSOPP1\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:\nNovember 10, 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 $87,100.00 - $157,450.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. 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