{"id":3342437,"url":"https://alion.io/job/leidos-environmental-chemistdata-validator-2","title":"Environmental Chemist/Data Validator","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":273,"ghost_share":0.004,"stale_share":0.872,"repost_share":0.004,"time_to_fill_p50_days":28,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Science & Research","role_family":"Science & Research","seniority":"staff","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":73450,"max":132775,"currency":"USD","period":"year","gross":null,"usd_annual":132775},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Microsoft Excel","optional":false},{"name":"C#","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-10-26T00:00:00Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-28T23:19:43Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Leidos is seeking a Senior Environmental Chemist to support federal environmental remediation and restoration programs for multiple government clients. This position will provide senior-level technical expertise in environmental chemistry, chemical data validation, data quality, and environmental data management in support of site characterization, remediation, environmental compliance, waste disposal, and restoration activities.\nThe Senior Environmental Chemist will oversee the validation and management of inorganic and organic analytical data, including PFAS and other emerging contaminants; provide technical oversight of analytical laboratory subcontractors; and ensure environmental data meet applicable project, regulatory, and quality assurance requirements. The position will also provide technical guidance and oversight to junior and mid-level chemists performing data validation activities.\nThis role will manage environmental sample and analytical data throughout the project lifecycle, from sampling preparation and laboratory coordination through data validation, database management, usability assessment, and final reporting.\nThis is a remote, office-based position and does not involve routine laboratory bench work.\nPrimary Responsibilities\nPerform chemical data validation and independent technical reviews of inorganic and organic analytical laboratory data packages.\nEvaluate laboratory deliverables for completeness and compliance, assess quality control results, and assign appropriate data validation qualifiers based on applicable criteria.\nOversee and review Stage 2 data validation performed by junior and mid-level chemists.\nPrepare data validation narratives, quality assurance/quality control (QA/QC) reports, and data usability assessments documenting findings and conclusions.\nAuthor, review, and implement Uniform Federal Policy Quality Assurance Project Plans (UFP-QAPPs) and associated quality assurance documentation.\nSupport environmental field sampling activities through database setup, sample identification, labels, chain-of-custody documentation, and review for compliance with project planning documents.\nManage environmental samples and analytical data throughout the project lifecycle using applicable environmental data management systems.\nPerform quality control reviews of data entered into environmental databases, including EQuIS, ERPIMS, ADR.net, and FUDSChem.\nQuery, evaluate, and reconcile environmental data in response to project needs and verify final database information against laboratory-reported results.\nManage analytical laboratory subcontractors, coordinate sample delivery and analytical schedules, review laboratory performance, and resolve laboratory QA/QC deficiencies.\nCoordinate closely with project managers, environmental scientists, engineers, field personnel, laboratories, and data management staff to meet project requirements and schedules.\nProvide technical guidance to project managers and junior staff regarding analytical chemistry, laboratory methods, data quality, validation requirements, and interpretation of chemical data.\nSupport environmental investigations, site characterization, remediation, environmental permitting, effluent monitoring, waste characterization and disposal, and other environmental restoration activities.\nBasic Qualifications\nBachelor's degree in Chemistry or a closely related scientific discipline and at least 10 years of relevant experience in environmental chemistry, including validation of inorganic and organic analytical data and environmental data/database management.\nDemonstrated experience validating analytical data for environmental investigation, remediation, restoration, or compliance programs.\nExperience with PFAS analytical data and other emerging contaminants.\nExperience overseeing and providing technical review of junior and mid-level chemists performing Stage 2 data validation.\nStrong working knowledge of EPA SW-846 methods, Contract Laboratory Program (CLP) requirements, and environmental analytical chemistry methodologies.\nDemonstrated ability to evaluate laboratory QA/QC results and determine the usability and quality of environmental analytical data.\nStrong attention to detail with the ability to organize, prioritize, and manage responsibilities across multiple projects and competing deadlines.\nSelf-motivated with strong analytical, problem-solving, verbal, written, and interpersonal communication skills.\nProficiency with Microsoft Excel and Word.\nPreferred Qualifications\nExperience performing or reviewing Stage 3 and/or Stage 4 data validation.\nWorking knowledge of the Department of Defense (DoD) Quality Systems Manual (QSM) and U.S. Environmental Protection Agency (EPA) National Functional Guidelines for Data Review.\nExperience developing, reviewing, or implementing UFP-QAPPs for federal environmental programs.\nExperience supporting CERCLA, RCRA, DoD, USACE, EPA, or other federal environmental remediation/restoration programs.\nExperience with environmental data management systems such as EQuIS, ERPIMS, ADR.net, and/or FUDSChem.\nExperience with database and data management tools such as Microsoft Access and SQL.\nExperience managing analytical laboratory subcontractors and resolving laboratory data quality or performance issues.\nMust be able to pass a Public Trust background investigation; due to contract requirements, U.S. Citizenship or U.S. Permanent residency is required.\n**Please be advised that during the interview, you will be required to keep your camera on, and your interviewer will be taking your picture for identification purposes if an offer letter is extended to you.**\nIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.\nOriginal Posting:\nOctober 6, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.\nPay Range:\nPay Range $73,450.00 - $132,775.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.","description_format":"text","description_chars":6742,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","C4ISR","Defense Manufacturing","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-27T16:01:32Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 50 · green card filings: 24","filings_12m":50,"filings_prev_12m":58,"green_card_filings_12m":24,"median_offered_wage_usd":124257,"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)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":2,"expected_fill_days":28,"reasons":["conf:1","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-28T05:59:10Z"},"pay":{"stated_usd_annual":132775,"is_top_pay":false},"html_url":"https://alion.io/job/leidos-environmental-chemistdata-validator-2","json_url":"https://alion.io/job/leidos-environmental-chemistdata-validator-2.json","meta":{"generated_at":"2026-10-29T03:43:38Z","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":5722,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":7791},"rest":"https://alion.io/mcp/rest/get_company?id=7791"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fleidos-environmental-chemistdata-validator-2"},{"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%2Fleidos-environmental-chemistdata-validator-2"},{"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%2Fleidos-environmental-chemistdata-validator-2"},{"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/leidos-environmental-chemistdata-validator-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fleidos-environmental-chemistdata-validator-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3342437}},{"tool":"search_jobs","arguments":{"company":"leidos.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3342437},"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. Docs: https://alion.io/developers"}}