{"id":467051,"url":"https://alion.io/job/mantech-senior-data-engineer","title":"Senior Data Engineer","company":{"id":179527,"name":"ManTech","domain":"mantech.com","url":"https://alion.io/company/mantech","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":{"grade":"A","score":100,"open_postings":87,"ghost_share":0,"stale_share":0,"repost_share":0.011,"time_to_fill_p50_days":10,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Data Science","role_family":"Data Science","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":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":179300,"max":318400,"currency":"USD","period":"year","gross":null,"usd_annual":318400},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Airflow","optional":false},{"name":"ETL/ELT","optional":false},{"name":"FastAPI","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-09-06T12:16:21Z","employer_posted_date":"2026-09-10","last_verified_at":"2026-10-23T08:08:09Z","board_verified":true,"closed_at":null,"days_open":46,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":46},"description":"Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!\nMANTECH seeks a motivated, career and customer-oriented Senior Data Engineer to join our team in Chantilly, VA.\nIn this role, you will leverage your software development expertise to support the design, ingestion, cleansing, transformation, loading, and visualization of complex, large-scale data sets.\nResponsibilities\nDesign, implement, and optimize data extraction, cleansing, transformation, loading, and large-scale ingestion systems within a Big Data environment.\nDevelop ad-hoc ETL pipelines and build data profiling, deduping, and matching logic to analyze new data sources.\nLeverage Big Data holdings to power prototypical AI/ML-based analytics and build custom solutions to ingest and exploit data.\nOrganize and maintain Data Layer documentation while collaborating closely with data scientists to craft data pipelines for AI/ML workflows.\nPerform light administration responsibilities for a small number of Linux servers while articulating software solution risks and constraints.\nCollaborate with teammates, service providers, vendors, and users to develop efficient data processing methods.\nMinimum Qualifications\nHigh School Diploma/GED with 10+ years of relevant software development and programming experience.\nDemonstrated data analysis, parsing, and programming language experience (e.g., Python, Java) coupled with significant SQL and database experience.\nExperience with the full data lifecycle, from ingestion through display, within a Big Data environment.\nHands-on experience with Python-related technologies (e.g., environment management, async development, FastAPI) and RESTful APIs.\nExperience with data pipelining systems (e.g., Apache Airflow) and developing ETL tasks within a Linux environment.\nPreferred Qualifications\nExperience deploying software systems that leverage AI/ML technology.\nExperience publishing data analytics and results into BI dashboards.\nDemonstrated ability to automate routine Linux server management tasks.\nClearance Requirements\nAn active TS/SCI with Polygraph is required.\nPhysical Requirements\nMust be able to remain in a stationary position 50% of the time.\nNeeds to occasionally move about inside the office to access file cabinets and office machinery.\nFrequently communicates with co-workers, management, and customers; must be able to exchange accurate information in these situations.\nThe projected compensation range for this position is $179,300.00-$318,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.\nMANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.\nIf you need a reasonable accommodation to apply for a position with MANTECH, please email us at  and provide your name and contact information.","description_format":"text","description_chars":3970,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"high_school","optional":false},"security_clearance":true,"languages":[]},"benefits":["Health insurance","Life insurance","Wellness"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Cybersecurity","Government"],"lifecycle":[{"event":"open","at":"2026-09-06T12:16:21Z"},{"event":"close","at":"2026-09-09T12:20:20Z"},{"event":"reopen","at":"2026-09-10T00:20:28Z"}],"visa":[],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.385,"p_room":0.28,"age_days":46,"expected_fill_days":10,"reasons":["conf:2","wave","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-23T05:54:15Z"},"pay":{"stated_usd_annual":318400,"is_top_pay":true},"html_url":"https://alion.io/job/mantech-senior-data-engineer","json_url":"https://alion.io/job/mantech-senior-data-engineer.json","meta":{"generated_at":"2026-10-23T08:59:58Z","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":14440,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-24T00:00:00Z"}},"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":179527},"rest":"https://alion.io/mcp/rest/get_company?id=179527"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmantech-senior-data-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%2Fmantech-senior-data-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%2Fmantech-senior-data-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/mantech-senior-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmantech-senior-data-engineer"}]}