{"id":3006498,"url":"https://alion.io/job/leidos-operating-systems-test-engineer-3","title":"Operating Systems Test Engineer","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":254,"ghost_share":0.004,"stale_share":0.862,"repost_share":0.008,"time_to_fill_p50_days":27,"computed_at":"2026-10-23T05:54:15Z"}},"role":"QA","role_family":"QA","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":["Orlando, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":92300,"max":166850,"currency":"USD","period":"year","gross":null,"usd_annual":166850},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Least Privilege","optional":false},{"name":"Linux","optional":false},{"name":"Nessus","optional":false},{"name":"Unix","optional":false},{"name":"Verification & Validation","optional":false},{"name":"Windows","optional":false},{"name":"Agile","optional":true},{"name":"Confluence","optional":true},{"name":"JADC2","optional":true},{"name":"Jira","optional":true}],"status":"live","first_seen_at":"2026-10-20T00:00:00Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-22T02:56:46Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Position: Operating Systems Test Engineer\nLocation: Orlando, FL\nMake an Impact with Leidos\nAt Leidos, we deliver innovative solutions through the dedication of our diverse and talented teams. United by a shared commitment to our customers’ success, we empower our people, support our communities, and operate sustainably. Our Mission, Vision, and Values guide every aspect of our work, ensuring we do the right thing-for our customers, our people, and the world around us.\nThrive in a Mission-Focused Environment\nThe Leidos Defense Sector provides advanced systems, solutions, and services across land, sea, air, space, and cyberspace. From enterprise IT and large-scale intelligence systems to cybersecurity, geospatial analytics, logistics, and training, we support some of the nation’s most critical defense missions. Our teams take on challenges where failure is not an option-and succeed.\nWe are seeking an experienced Operating Systems Test Engineer to support our ABMS DI Network Manager (DINM) program located in Orlando, FL. This role is part of a team supporting the Department of the Air Force’s Air Battle Management System and its associated digital infrastructure.\nThis is an on-site role requiring daily presence at our Orlando, FL office.\nPrimary Responsibilities\nMaintain and support the Digital Infrastructure Network Integration Lab (DI-NIL) architecture and services, including RHEL, Windows, and various systems/appliances.\nManage configurations, compliance enforcement, directory service integrations, and daily operational oversight.\nConduct Verification & Validation (V&V) testing for all systems designed for the production network-from initial build through configuration and service delivery.\nEnsure all operating systems meet strict DoD compliance requirements and perform optimally, including patch, version upgrade testing, and deployment.\nDevelop complete documentation of system builds, configurations, and process workflows to ensure consistency, repeatability, and auditability.\nWork directly with customers to configure required operating systems, establish appropriate access controls, and support a least-privilege environment.\nSupport additional DI-NIL team efforts, including assisting personnel conducting system verification and validation across the Digital Infrastructure Network.\nBasic Qualifications\nBachelor’s degree with 8+ years of related experience Additional experience may be considered in lieu of a degree.\nUS Citizen; Currently possessing an active DoD Secret clearance with ability to upgrade to a TS/SCI clearance upon hire.\nPossess DoD 8140 IAT Level II certification Security+\nDemonstrable knowledge of operating systems concepts and applying these concepts to Department of Defense programs\nExperience with Active Directory deployment/configuration, OU creation, and RBAC-driven security controls.\nProven expertise with Linux/Unix systems (RHEL).\nDemonstrable experience in design review participation and providing customer centric input.\nExcellent written and verbal communication skills for collaboration across diverse technical and non-technical stakeholders.\nDemonstrated ability to participate in cross-functional planning and system integration activities.\nAbility to work effectively with individuals of varying technical backgrounds.\nFoundational knowledge of networking systems and interconnections.\nExperience with government system security testing (ACAS/Nessus) and remediation.\nDemonstrated ability to brief technical and non-technical customers.\nUnderstanding of networking principles and basic network troubleshooting from the systems perspective\nPreferred Qualifications\nMaster’s degree with 6+ years of relevant experience.\nActive TS/SCI clearance.\nExperience with ABMS or JADC2 initiatives.\nMid-level networking knowledge.\nMinimum 4 years of DoD system security testing (ACAS/Nessus) and remediation.\nExperience designing and deploying networks.\nExperience with SAFe Agile frameworks and use of agile tools (e.g., Jira, Confluence).\nPrior support of Department of the Air Force programs.\nExperience working with complex multi-domain systems.\nExperience designing and validating Cloud, Edge Computing, and network architectures.\nDemonstrated knowledge of test automation and test result analysis.\nExperience developing test methodologies, test specifications, and executing integration, verification, and validation activities.\nStrong focus on customer satisfaction and maintaining Leidos’ positive brand reputation.\nReady to make an impact? Start your next career chapter with Leidos-apply today!\nDABAOPP1\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 20, 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 $92,300.00 - $166,850.00The 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":5664,"description_truncated":false,"requirements":{"experience_years_min":6,"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":"2026-10-21T13:57:38Z"}],"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":2}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":3,"expected_fill_days":27,"reasons":["conf:26","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-23T05:54:15Z"},"pay":{"stated_usd_annual":166850,"is_top_pay":true},"html_url":"https://alion.io/job/leidos-operating-systems-test-engineer-3","json_url":"https://alion.io/job/leidos-operating-systems-test-engineer-3.json","meta":{"generated_at":"2026-10-23T09:39:44Z","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":15100,"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":7791},"rest":"https://alion.io/mcp/rest/get_company?id=7791"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fleidos-operating-systems-test-engineer-3"},{"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-operating-systems-test-engineer-3"},{"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-operating-systems-test-engineer-3"},{"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-operating-systems-test-engineer-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fleidos-operating-systems-test-engineer-3"}]}