{"id":3193562,"url":"https://alion.io/job/amentum-principal-software-engineer-tssci-wpoly","title":"Principal Software Engineer TS/SCI w/Poly","company":{"id":14861,"name":"Amentum","domain":"amentum.com","url":"https://alion.io/company/amentum","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":105,"ghost_share":0,"stale_share":0.99,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-25T05:49:26Z"}},"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":["Fort Meade, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":200000,"max":255000,"currency":"USD","period":"year","gross":null,"usd_annual":255000},"salary_estimate":null,"experience_years_min":11,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-07-15T00:00:00Z","employer_posted_date":"2026-07-15","last_verified_at":"2026-10-25T08:40:20Z","board_verified":true,"closed_at":null,"days_open":102,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":102},"description":"Purpose and Impact:\nAmentum is seeking a motivated Principal Software Engineer to support the exciting Advanced Analytics Team mission. Engineer will work closely with mission stakeholders to analyze software requirements, design innovative technical solutions, develop software applications, and implement high-performance capabilities supporting advanced mission objectives.\nEssential Responsibilities:\nDesign, develop, test, debug, and maintain software applications supporting mission requirements. Analyze customer needs, develop software prototypes, engineer technical solutions, implement algorithms, and translate conceptual designs into scalable software architectures.\nMinimum Requirements (Knowledge, Skills, and Abilities):\nDevelop and debug software using object-oriented programming languages; perform software engineering and technical design activities; analyze and understand legacy code; develop efficient algorithms utilizing data structures, dynamic programming, heuristics, and modeling techniques; conduct software testing and troubleshooting; work at the operating system level, including file I/O, system interfaces, and low-level programming concepts; and develop advanced tools for binary analysis, shellcode detection, malware analysis, function identification, and reverse engineering of compiled software.\nProficiency with Python, and ability to read/understand C/C++, and Assembly (x86). Experience with software architecture, operating system design, compilers, and debugging. Comfortable working with operating system internals, low-level software development, file I/O, system APIs, memory management, and executable program analysis.\nSecurity Clearance Required:\nTS/SCI Poly\nMinimum Years of Experience:\nA Doctoral degree plus 7 years of relevant experience, or\na Master's degree plus 9 years of relevant experience, or\na Bachelor's degree plus 11 years of relevant experience, or\nan Associate's degree plus 13 years of relevant experience, or\na High School diploma/GED plus 15 years of relevant experience\nPreferred Qualifications:\nFamiliarity with malware analysis, reverse engineering, and protocol analysis.\n#javelin #ICpoly\nThis position is notdesignated as a safety sensitive position.\nAs part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.\nOther Responsibilities:\nSafety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.\nQuality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.\nProcedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.\nCompensation Details:\n$200000-255000The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.\nBenefits Overview:\nOur health and welfare benefits are designed to support you and your priorities. Offerings include:\nHealth, dental, and vision insurance\n\nPaid time off and holidays\n\nRetirement benefits (including 401(k) matching)\n\nEducational reimbursement\n\nParental leave\n\nEmployee stock purchase plan\n\nTax-saving options\n\nDisability and life insurance\n\nPet insurance\n\nNote: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.\nOriginal Posting:\n07/15/2026 - Until FilledAmentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.\nAmentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.","description_format":"text","description_chars":6208,"description_truncated":false,"requirements":{"experience_years_min":11,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"high_school","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity","Life insurance","Parental leave","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Military Logistics","Business Process Outsourcing (BPO)","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-24T03:23:55Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 2","filings_12m":2,"filings_prev_12m":3,"green_card_filings_12m":0,"median_offered_wage_usd":122500,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":1}],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.284,"p_room":0.28,"age_days":102,"expected_fill_days":17,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":{"stated_usd_annual":255000,"is_top_pay":true},"html_url":"https://alion.io/job/amentum-principal-software-engineer-tssci-wpoly","json_url":"https://alion.io/job/amentum-principal-software-engineer-tssci-wpoly.json","meta":{"generated_at":"2026-10-25T09:49:43Z","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":14076,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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":14861},"rest":"https://alion.io/mcp/rest/get_company?id=14861"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Famentum-principal-software-engineer-tssci-wpoly"},{"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%2Famentum-principal-software-engineer-tssci-wpoly"},{"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%2Famentum-principal-software-engineer-tssci-wpoly"},{"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/amentum-principal-software-engineer-tssci-wpoly\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Famentum-principal-software-engineer-tssci-wpoly"}]}