{"id":2098674,"url":"https://alion.io/job/expedition-technology-senior-software-engineer-r110","title":"Senior Software Engineer - R110","company":{"id":3913166,"name":"Expedition Technology","domain":"expedition-technology.com","url":"https://alion.io/company/expedition-technology","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Gem","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Herndon, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":143000,"max_usd":262000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3030},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-22T14:21:33Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-10-13T10:32:23Z","board_verified":true,"closed_at":null,"days_open":20,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":20},"description":"Embark on a thrilling journey with Expedition Technology (EXP) where your software engineering prowess can ignite revolutionary advancements in defense and intelligence. We're scouting for trailblazers skilled in backend and systems-level engineering, ready to disrupt the conventional and forge new frontiers.\nAt EXP, you're not just another engineer; you're a vital member of an elite squad of innovators. Here, you'll dive into the depths of applied research and emerge with software solutions that intertwine advanced machine learning with critical signals data, crafting systems that safeguard our nation's most complex security puzzles.\nAre you the architect of change we're searching for? Do you yearn to leave a mark with technology that resonates with purpose? Seize this moment-your expedition awaits. Apply now and shape the future with us!\nAt Expedition Technology, you will:\nDesign and implement complex software solutions that support US defense and intelligence agencies\nIntegrate advanced machine learning and signal processing algorithms into cutting edge software solutions\nTransition signal processing-based machine learning models to field-ready, real-time software applications and systems\nCollaborate with domain experts in small teams to build and integrate complex software systems into existing infrastructure\nEmbrace cutting edge software tools and technologies and apply them to your solutions\nBuild extensible software that can be applied to multiple applications\nWhat do you need to succeed?\nUnited States citizenship and an active Top Secret/SCI security clearance.\nBA/BS or higher degree in computer science, physics, applied mathematics, engineering, or related technical discipline\nAt least 4 years' experience with Python, Java or similar scientific computing languages\nExperience defining, designing, and integrating architectures for signal processing systems\nAbility to rapidly prototyping algorithm concepts and ideas\nExperience making insightful decisions on software design solutions\nDrive to continually learn and apply new software tools and design principles\nAbility to translate customer requirements to determine development focus\nStrong communication skills to convey complex technical concepts\nClearance Required: Top Secret/SCI","description_format":"text","description_chars":2275,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Military","Machine Learning"],"lifecycle":[{"event":"open","at":"2026-10-08T17:41:25Z"}],"visa":[],"liveness":{"score":77,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.854,"p_room":0.9,"age_days":20,"expected_fill_days":36,"reasons":["conf:2","velocity","win:mid"],"computed_at":"2026-10-13T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/expedition-technology-senior-software-engineer-r110","json_url":"https://alion.io/job/expedition-technology-senior-software-engineer-r110.json","meta":{"generated_at":"2026-10-13T10:33:18Z","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":16155,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":3913166},"rest":"https://alion.io/mcp/rest/get_company?id=3913166"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fexpedition-technology-senior-software-engineer-r110"},{"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%2Fexpedition-technology-senior-software-engineer-r110"},{"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%2Fexpedition-technology-senior-software-engineer-r110"},{"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/expedition-technology-senior-software-engineer-r110\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fexpedition-technology-senior-software-engineer-r110"}]}