{"id":1629168,"url":"https://alion.io/job/arka-senior-software-algorithm-engineer-tssci-s","title":"Senior Software Algorithm Engineer (TS/SCI) {S}","company":{"id":2226679,"name":"Arka","domain":"arka.com","url":"https://alion.io/company/arka-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"UltiPro","truth_index":{"grade":"D","score":40,"open_postings":69,"ghost_share":1,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-09T06:01:00Z"}},"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":["Aurora, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":125000,"max":205000,"currency":"USD","period":"year","gross":null,"usd_annual":205000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon Aurora","optional":false},{"name":"C++","optional":false},{"name":"HPC","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"Amazon EC2","optional":true},{"name":"Amazon S3","optional":true},{"name":"AWS","optional":true},{"name":"AWS Lambda","optional":true},{"name":"C#","optional":true},{"name":"CUDA","optional":true},{"name":"CUDA Toolkit","optional":true},{"name":"Go","optional":true},{"name":"Linux","optional":true},{"name":"OpenAI","optional":true},{"name":"OpenCV","optional":true},{"name":"Reinforcement Learning","optional":true}],"status":"live","first_seen_at":"2025-11-28T22:30:57Z","employer_posted_date":"2025-11-28","last_verified_at":"2026-10-09T23:14:52Z","board_verified":true,"closed_at":null,"days_open":315,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":313},"description":"ARKA Group L.P. (“ARKA”) is an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry delivering next-generation solutions to support the national security space enterprise. Built on more than six decades of excellence, ARKA brings modern approaches and a culture of innovation to the challenges of today.\nJoin the ARKA team to learn how Beyond Begins Here. Discover your next career opportunity now!\nPosition Overview:\nThis position is for a Senior Software Algorithm Developer looking for new challenging problems. As an Algorithm Developer, you will support the development of algorithms in a multitude of disciplines from Signal/Image Processing, Space Domain Awareness (SDA), Satellite Communication (SATCOM), and Signals Intelligence (SIGINT). As a technical lead, you will guide a team of developers to see these algorithms from prototype to operations.\nWe welcome applicants at varying experience levels.\nCandidates may be considered for sign on bonuses consistent with skills and experience levels.\nIn support of work/life balance, many positions are available for a flexible schedule within the pay period. Ask us about the opportunity for flex scheduling if that’s of interest to you.\nWe offer generous relocation benefits for eligible candidates.\nThis position is an on-site position located in Aurora, Colorado. Each ARKA location has wonderful attributes as described below.\nResponsibilities:\nAs a Sr. Software Algorithm Developer, your responsibilities include:\nLeading a small software development team consisting of researchers, software algorithm developers, and full-stack/cloud-native developers to implement a multitude of algorithms which solve a broad set of challenges for our various customers and their domains\nApplying knowledge of data structures and algorithms to create efficient solutions to our customers’ needs\nUsing cloud services to deploy software solutions\nReviewing relevant publications to understand and apply cutting edge concepts to defense and commercial applications\nWriting technical documentation supporting code, program capabilities, and user-guides\nRequired Qualifications:\nB.S. in computer science, computer engineering, mathematics, physics, or any other relevant STEM fields\nExperience leading an interdisciplinary team of researchers and software developers\nEffective communicator with the ability to write and present technical reports\nExperience with any of the following languages: Python, C/C++, Java, or Rust\nExperience developing algorithms in any one or more of the following domains: Signal/Image Processing, Space Domain Awareness (SDA), Satellite Communication (SATCOM), and Signals Intelligence (SIGINT)\n5+ years of software development experience preferably developing algorithms for high performance computing\nActive TS/SCI U.S. Government Security Clearance\nWillingness to obtain a Counter Intelligence (CI) polygraph if required in support of our customer\nPreferred Qualifications:\nM.S. or PhD in computer science, computer engineering, mathematics, physics, or any other relevant STEM fields\nExperience with Linux\nFamiliarity with using AWS cloud computing resources such as EC2, S3, Lambda, etc.\nExperience with any of the following additional languages: C#, Go, or R\nExperience with popular computational libraries: OpenCV, Boost, Eigen, Dlib, etc.\nExperience with source code version control systems\nExperience implementing algorithms on the GPU in Python or C++ using CUDA and other CUDA libraries\nExperience in application deployment, virtualization, and containerization\nExperience working with various Remote Sensing datasets (e.g. EO/OPIR/SAR images, passive RF, etc.)\nExperience developing modeling and simulation environments or developing OpenAI Gym environments for Reinforcement Learning problems\nPay Range: $125,000 - $205,000\nYour actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.\nThe application window will close in 100 days for this position.\nLocation:\nBeing situated at the foot of the Rocky Mountains, Aurora provides opportunities to enjoy all the beautiful nature that Colorado has to offer, while also being a 20-minute drive from downtown Denver and 15-minutes to the Denver International Airport.\nWhat We Offer:\nComprehensive medical/vision/dental insurance packages\nCompany contributions to qualified HSA accounts\n401k retirement plan with industry leading company contributions\n3 weeks of vacation accrual per year plus time off for sick leave and unscheduled life events\n13 paid holidays\nUpfront tuition assistance for approved degree programs\nAnnual bonus program based on company and employee performance\nCompany paid life insurance, AD&D, Short-Term and Long-Term disability insurance\n4 weeks paid Parental Leave\nEmployee assistance program (EAP)\nEHS/Environmental Requirements:\n\nThis job operates in a professional office environment. While performing the duties of this job, the employee routinely is required to use hands to keyboard, communicate, listen to, and interpret instructions and remain stationary for extended periods of the time. This would require the ability to move around the campus and occasionally move/lift items weighing up to 40 lbs. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.\nApplicants are invited to apply for a reasonable accommodation to perform the essential duties of the job. To apply, send a request to  or contact 203-797-5000 and press 2 for Human Resources.\nITC & Security Clearance Requirements:\n This position requires an active TS/SCI U.S. Government security clearance.\nVisa Restrictions:\nNo visa sponsorship is available for this position.\nPre-employment Screenings:\nEmployment with any ARKA companies in the U.S. is contingent upon satisfactory completion of several pre-employment requirements to include a credit check, background check, and drug screen.","description_format":"text","description_chars":6088,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":true,"languages":[]},"benefits":["401k plan","Dental insurance","Flexible schedule","Life insurance","Parental leave","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Consumer Goods","Transportation & Logistics"],"lifecycle":[{"event":"open","at":"2026-10-01T21:16:18Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"green card filings: 1","filings_12m":0,"filings_prev_12m":4,"green_card_filings_12m":1,"median_offered_wage_usd":82500,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.206,"p_room":0.28,"age_days":314,"expected_fill_days":40,"reasons":["conf:2","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-09T06:01:00Z"},"pay":{"stated_usd_annual":205000,"is_top_pay":true},"html_url":"https://alion.io/job/arka-senior-software-algorithm-engineer-tssci-s","json_url":"https://alion.io/job/arka-senior-software-algorithm-engineer-tssci-s.json","meta":{"generated_at":"2026-10-10T00:30:49Z","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","counted_by":"address","units_charged":1,"used_today":779,"day_limit":5000,"remaining_today":4221,"minute_limit":60,"resets_at":"2026-10-11T00:00:00Z"}},"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":2226679},"rest":"https://alion.io/mcp/rest/get_company?id=2226679"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Farka-senior-software-algorithm-engineer-tssci-s"},{"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%2Farka-senior-software-algorithm-engineer-tssci-s"},{"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%2Farka-senior-software-algorithm-engineer-tssci-s"},{"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/arka-senior-software-algorithm-engineer-tssci-s\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Farka-senior-software-algorithm-engineer-tssci-s"}]}