{"id":2825011,"url":"https://alion.io/job/apogee-research-principal-software-engineer","title":"Principal Software Engineer","company":{"id":4391409,"name":"Apogee Research","domain":"apogee-research.com","url":"https://alion.io/company/apogee-research","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","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":153818,"max":265200,"currency":"USD","period":"year","gross":null,"usd_annual":265200},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false}],"status":"live","first_seen_at":"2026-10-09T15:31:00Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-26T11:10:38Z","board_verified":true,"closed_at":null,"days_open":16,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":16},"description":"Principal Software Engineer\nApogee Research is at the forefront of a revolution in how the DoD operates: a turn towards compositional systems of systems instead of traditional monolithic architectures. This change is driven by a need for faster adaptation to adversarial environments, which requires the ability to field resilient, distributed systems in days to weeks rather than months to years.\nApogee Research is looking for Principal Software Engineers to lead the creation of capabilities addressing currently unmet needs in National Security. This work spans many fronts from implementing novel algorithms across ISR, EW, Networking, Cyber, and more; integrating disparate systems that lack a common interface; reverse engineering subsystems; developing custom tool chains that accelerate the speed of development; or developing new approaches to infrastructure that handle heterogeneous deployment needs.\nThe details of the position will vary based on the expertise and desires of the candidate and the specific project being executed, however, common themes include:\nPerforming hands-on technical work including design and development of algorithmically complex software, performance profiling, optimization, and general troubleshooting for a variety of software languages spanning from C++ to project-specific Domain Specific Languages (DSLs)\nA focus on addressing customer needs and facilitating creation of operationally relevant capabilities\nSupporting demonstration and testing of software in lab and test events\nMentoring junior team members to foster growth of technical and program expertise\nCreating documentation and test suites to help warfighters and co-contractors leverage our solutions\nLearning new technologies and developing fundamentally new approaches as needed\nQualified candidates should have:\nExtensive experience building robust and maintainable software to solve algorithmically complex problems\nHigh proficiency in C++ \nThorough understanding of the fundamentals of computer and network security\nStrong analytical and problem solving and organizational skills\nDemonstrated ability to be flexible and remain well organized in a fast-paced environment\nThe position is located in our Arlington, VA office (full-time in person). Existing DoD Top Secret clearance is extremely desirable, otherwise all candidates must be eligible to obtain one and therefore any applicant must be a US citizen to be considered.\n\nPay Information:\nAt Apogee Research we believe individuals should be compensated according to the value they bring to our organization and we want to ensure we evaluate candidates at their appropriate level. The levels for this role are included below:\n$153,818 - $265,200\nI’m awesome and your range doesn’t apply to me. \nAbout Apogee Research\nApogee Research offers a comprehensive benefits package that includes health, dental, vision, life, and disability insurance, FSAs, paid vacation, sick leave, and paid holidays. Conveniently located in Arlington, VA, we are a short walking distance from the Ballston Metro station. We offer the choice of paid garage parking or a contribution towards a transit account.\nApogee Research, LLC is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, parental status, military service, or other non-merit factors.","description_format":"text","description_chars":3576,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Homeland Security"],"lifecycle":[{"event":"open","at":"2026-10-18T21:32:34Z"}],"visa":[],"liveness":{"score":69,"band":"ok","label":"Likely open","p_open":1,"p_active":0.772,"p_room":0.9,"age_days":16,"expected_fill_days":24,"reasons":["conf:4","win:mid"],"computed_at":"2026-10-26T05:57:25Z"},"pay":{"stated_usd_annual":265200,"is_top_pay":true},"html_url":"https://alion.io/job/apogee-research-principal-software-engineer","json_url":"https://alion.io/job/apogee-research-principal-software-engineer.json","meta":{"generated_at":"2026-10-26T15:14:12Z","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":20215,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":4391409},"rest":"https://alion.io/mcp/rest/get_company?id=4391409"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fapogee-research-principal-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%2Fapogee-research-principal-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%2Fapogee-research-principal-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/apogee-research-principal-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fapogee-research-principal-software-engineer"}]}