{"id":2668413,"url":"https://alion.io/job/leidos-junior-software-developer-2","title":"Junior 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":81,"open_postings":131,"ghost_share":0,"stale_share":0.74,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-10-16T05:45:00Z"}},"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":57850,"max":104575,"currency":"USD","period":"year","gross":null,"usd_annual":104575},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bash","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"GitLab CI","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Unix","optional":false},{"name":"Windows","optional":false},{"name":"Gradle","optional":true},{"name":"Java","optional":true}],"status":"live","first_seen_at":"2026-10-13T00:00:00Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-16T13:57:38Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Looking for an opportunity to make an impact?\nAt 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.\nYour greatest work is ahead!\nLeidos’ Defense Uncrewed Systems Integration and Test is seeking a motivated and ambitious Junior Software Engineer to join the Software, Simulation, Systems Engineering and Integration Directorate (S3I) Joint Technology Center - Systems Integration Lab (JSIL) Technology and Certification Center. This position collaborates with subject matter experts in the requirements, design, development, and implementation of UAS related software.\nIf this sounds like the kind of environment where you can thrive, keep reading!\nLeidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!\nAre you ready to make an impact? Share your resume with us today!\nPrimary Responsibilities.\nSoftware Development & Optimization: Support the design and implementation of software solutions, ensuring high-quality, maintainable, and scalable code. Assist with efforts in debugging, and optimization for large-scale systems.\nDocumentation & Communication: Responsible for creation of detailed technical documentation, including system designs, APIs, and architectural diagrams. Communicate complex technical concepts clearly to non-technical stakeholders and executives.\nCross-Functional Collaboration: Collaborate with managers, hardware engineers, network engineers, and other stakeholders to implement system requirements and ensure seamless integration between software, hardware, and network components.\nInnovation & Technology Evaluation: Stay current on emerging technologies and industry trends, new tools, frameworks, and methodologies that improve the development process and system performance.\nBasic Qualifications.\nBS degree in computer science or related technical degree plus 0+ years of prior relevant experience.\nStrong experience with object-oriented programming in multiple languages such as java, C++, and C#.\nStrong experience using Gitlab CI/CD.\nStrong experience with scripting languages such as Bash, Python, or PowerShell including the automation of system and application installations is required.\nStrong understanding of general computing system architectures and virtual machines/containers.\nStrong command line experience with UNIX based operating system or Windows command line configuration is required.\nStrong analytical and organizational skills to handle multiple tasks and projects and to work independently\nExcellent written and verbal communication skills.\nMust be a US Citizen\nMust be able to obtain an interim Secret security clearance prior to starting employment and obtain and maintain a final Secret security clearance thereafter.\nMust be a resident of Huntsville, AL or willing to relocate to the Huntsville, AL area.\nPreferred Qualifications.\n0+ years professional software development experience.\nExperience with Atlassian workflow management software.\nExperience with software development and testing.\nExperience with Uncrewed Aircraft Systems.\nExperience using Gradle.\nWillingness to be hands-on with the hardware away from assigned desk.\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:\nOctober 13, 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 $57,850.00 - $104,575.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. 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