{"id":3977687,"url":"https://alion.io/job/peraton-physical-scientist-software-developer","title":"Physical Scientist, Software Developer","company":{"id":722,"name":"Peraton","domain":"peraton.com","url":"https://alion.io/company/peraton","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":21,"ghost_share":0,"stale_share":0,"repost_share":0.048,"time_to_fill_p50_days":13,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":86000,"max":138000,"currency":"USD","period":"year","gross":null,"usd_annual":138000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Fortran","optional":false},{"name":"Java","optional":false},{"name":"MATLAB","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-11-09T18:41:45Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-09T18:41:45Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Peraton Overview\nPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.\nResponsibilities\nPeraton is seeking a physical scientist/software developer with a background in physics and/or mathematics and strong software coding skills to work onsite at the Stennis Space Center, Mississippi who will contribute to ongoing Navy Research Laboratory (NRL) research and development of operational tools for Navy use. This project consists of the implementation and analysis of algorithms that model problems in underwater acoustics.\nWhat You Will DoThis endeavor involves experimentation with state-of-the-art techniques for advancing the science in characterizing undersea acoustic propagation and predicting sonar range for operational Navy use. You will contribute by\nCollaborating with mathematics, physics, and acoustics researchers.\nWriting code, usually in Python or Matlab, to prototype capabilities.\nDevelop algorithms in collaboration with researchers.\nConverting prototypes into executable programs in Python, C/C++, or FORTRAN.\nInterfacing with libraries developed in these and other languages, such as Python or Java.\nPreparing software for delivery to the fleet.\nDocumentation of software in the form of a user manual, an API for developers, and a test description.\nQualifications\nMinimum of 8 years with BS/BA; Minimum of 6 years with MS/MA; Minimum of 3 years with PhD\nAbility to obtain a Secret Clearance\nStrong background in mathematics and/or physics\n3+ years’ experience in active software development; may include graduate or advanced undergraduate education\nExperience writing clear, detailed documentation of how software works and how it is supposed to be used\nExperience porting software prototyped or developed in one language into another\nExperience developing software in one language (e.g., C/C++) while interfacing with another (e.g., FORTRAN)\nTarget Salary Range\n$86,000 - $138,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.Benefits Statement\nPeraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.\nApplication Statements\nThe application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.EEO\nEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.","description_format":"text","description_chars":4318,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":true,"languages":[]},"benefits":["Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Information Security","Homeland Security","Systems Integrators"],"lifecycle":[{"event":"open","at":"2026-11-09T18:41:45Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"green card filings: 4","filings_12m":0,"filings_prev_12m":0,"green_card_filings_12m":4,"median_offered_wage_usd":167500,"route":null,"cap_exempt":false,"checked_at":"2026-11-09T07:32:21+00:00","sources":["US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":13,"reasons":["conf:1","win:early","comp:brand"],"computed_at":"2026-11-09T19:56:47Z"},"pay":{"stated_usd_annual":138000,"is_top_pay":false},"html_url":"https://alion.io/job/peraton-physical-scientist-software-developer","json_url":"https://alion.io/job/peraton-physical-scientist-software-developer.json","meta":{"generated_at":"2026-11-09T19:56:47Z","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":6506,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":722},"rest":"https://alion.io/mcp/rest/get_company?id=722"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fperaton-physical-scientist-software-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fperaton-physical-scientist-software-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fperaton-physical-scientist-software-developer"},{"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/peraton-physical-scientist-software-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fperaton-physical-scientist-software-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3977687}},{"tool":"search_jobs","arguments":{"company":"peraton.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3977687},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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