{"id":2740241,"url":"https://alion.io/job/mantech-data-engineer-4","title":"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":88,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":9,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Data Science","role_family":"Data Science","seniority":"middle","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":114600,"max":190200,"currency":"USD","period":"year","gross":null,"usd_annual":190200},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Airflow","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-16T20:30:40Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-17T00:26:38Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"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 Data Engineer to join our team in Chantilly, VA.\nThe Data Engineer will leverage their development skills and experience to support the successful designing, ingesting, cleansing, transformation, loading, and display of significant amounts of data.\nResponsibilities include but are not limited to:\nDesigning, implementing, and optimizing data extraction, cleansing, transformation, loading, replication/distribution, and large-scale ingest systems in a Big Data environment.\nOptimizing all stages of the data lifecycle, from initial planning to ingest through final display and beyond.\nDeveloping custom solutions or code to ingest and exploit new and existing data sources.\nDeveloping data profiling, deduping logic, and matching logic for analysis.\nOrganizing and maintaining Data Layer documentation while working with data scientists to craft pipelines for AI/ML workflows.\nCollaborating with teammates, service providers, vendors, and users to develop more efficient methods.\nEffectively articulating the risks and constraints associated with software solutions based on the environment.\nMinimum Qualifications:\nHigh School Diploma with 4+ years of relevant data engineering, software development, and/or programming experience.\nDemonstrated data analysis, parsing, and programming language experience such as Python or Java.\nSignificant experience with SQL and database management.\nExperience with the full data lifecycle, from ingest through display, in a Big Data environment.\nHands-on experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring.\nExperience with RESTful APIs, data pipelining systems like Apache Airflow, and performing ETL tasks in a Linux environment.\nPreferred Qualifications :\nExperience deploying systems that leverage AI/ML technology.\nExperience publishing results in BI dashboards.\nSelf-starter with excellent people skills able to work across teams and drive change.\nClearance Requirements:\nAn active TS/SCI with Polygraph is required for this position.\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, office machinery, etc.\nFrequently communicates with co-workers, management, and customers, which may involve delivering presentations.\nMust be able to exchange accurate information in these situations.\nThe projected compensation range for this position is $114,600.00-$190,200.00. 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":4059,"description_truncated":false,"requirements":{"experience_years_min":4,"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":["National Security","Information Security","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-10-16T20:30:40Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":9,"reasons":["conf:1","win:early","comp:brand"],"computed_at":"2026-10-17T01:32:39Z"},"pay":{"stated_usd_annual":190200,"is_top_pay":true},"html_url":"https://alion.io/job/mantech-data-engineer-4","json_url":"https://alion.io/job/mantech-data-engineer-4.json","meta":{"generated_at":"2026-10-17T01:32:39Z","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":2196,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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-data-engineer-4"},{"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-data-engineer-4"},{"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-data-engineer-4"},{"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-data-engineer-4\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmantech-data-engineer-4"}]}