{"id":2727408,"url":"https://alion.io/job/systems-and-technology-research-software-engineer","title":"Software Engineer","company":{"id":5401,"name":"Systems and Technology Research","domain":"str.us","url":"https://alion.io/company/str","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":93,"open_postings":43,"ghost_share":0,"stale_share":0.279,"repost_share":0,"time_to_fill_p50_days":53,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","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":["Arlington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":112000,"max":154000,"currency":"USD","period":"year","gross":null,"usd_annual":154000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"MATLAB","optional":true}],"status":"live","first_seen_at":"2026-10-16T12:54:45Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-16T21:03:05Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"STR is hiring a Software Engineer to join our multidisciplinary cyber/networking team committed to developing cutting-edge technologies that have an immediate and significant impact on our national security. Our team innovates communications technology across all networking layers, from the physical to the application layer. We value diverse skills, experiences, and perspectives, which are vital to delivering innovative solutions to our customers. If any of the skills below align with your expertise, we encourage you to apply!\nJob Overview: A successful candidate will possess experience in software engineering, integration and testing, and networking concepts and protocols, with a strong passion for results-driven development on Linux systems. This candidate will bring a versatile skill set in computer science, software architecture, and practical software development, testing, and documentation. The ideal Software Engineer is intellectually curious, motivated, and thrives in a team-based environment focused on rapid prototyping and delivering impactful solutions.\nThis is an exciting opportunity to work in a high-profile, fast-paced, yet structured development environment alongside a diverse and talented team. In this role, you will design, implement, and test software that enhances advanced real-time data communications and networking solutions using open systems principles. We aim for the highest standards of quality, maintainability, and reuse in our tools and techniques. Therefore, experience with sound software engineering principles and testing methodologies is crucial.\nWhat you will do:\nCollaborate closely with a small, dedicated research team to develop innovative solutions to complex problems\nExecute assigned tasks and report overall status to project leadership\nDevelop and test novel software solutions spanning research, development, and deployed production systems\nIdentify creative and innovative approaches to open-ended problems\nDeliver high-quality software in a rapid-paced team environment\nDevelop operational prototypes for experimentation and performance analysis\nCreate customer-facing operational systems\nWho you are:\nThis position requires the ability to obtain a Top Secret (TS) security clearance, for which U.S. citizenship is required by the U.S. Government.\nProficient in Python, C, C++, or similar interpreted or low-level programming languages\nFamiliar with rapid prototyping design methodologies and open architectures\nSomeone with a working knowledge of software testing and evaluation best practices\nExperience developing software with GNU/Linux toolchains using open-source software\nUnderstanding of the 5-layer OSI networking stack\nStrong team player with excellent communication skills\nHave a Bachelor's or Masters degree in Computer Science, Electrical & Computer Engineering, Applied Mathematics, or a related field, with at least 2 years of relevant experience\nNice to Have:\nActive Top Secret (TS) Security Clearance\nProficiency in Python, MATLAB, and other high-level programming languages\nExperience in building, deploying, and maintaining robust and stable software\nExperience writing software within a large multi-party codebase\nExperience working in a laboratory environment performing quantitative data analysis\nFamiliarity with multi-threaded or multi-core real-time operating concepts\nKnowledge of high-level software architecture design\nExcellent verbal and written communication skills\nPay Information\nFull-Time Salary Range: $112,000 - $154,000\nThe salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate’s experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.\nSTR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, Carlsbad, CA, Atlanta, GA, and Denver, CO. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.\nSTR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.\nSTR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at www.str.us for more info.\n\nSTR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.\nIf you need a reasonable accommodation for any portion of the employment process, email us at  and provide your contact info.\nPursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.","description_format":"text","description_chars":5612,"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":true,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Cyber Warfare","Defense AI"],"lifecycle":[{"event":"open","at":"2026-10-16T16:45:59Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":53,"reasons":["conf:2","win:early","comp:junior,brand"],"computed_at":"2026-10-17T00:03:03Z"},"pay":{"stated_usd_annual":154000,"is_top_pay":true},"html_url":"https://alion.io/job/systems-and-technology-research-software-engineer","json_url":"https://alion.io/job/systems-and-technology-research-software-engineer.json","meta":{"generated_at":"2026-10-17T00:03:03Z","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":43,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":5401},"rest":"https://alion.io/mcp/rest/get_company?id=5401"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsystems-and-technology-research-software-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%2Fsystems-and-technology-research-software-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%2Fsystems-and-technology-research-software-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/systems-and-technology-research-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsystems-and-technology-research-software-engineer"}]}