{"id":1039698,"url":"https://alion.io/job/closuretech-linux-administrator","title":"Linux Administrator","company":{"id":674091,"name":"ClosureTech","domain":"closure-tech.com","url":"https://alion.io/company/closure-tech","size_band":"201-500","is_staffing_agency":false,"is_intermediary":false,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-23T05:45:00Z"}},"role":"DevOps","role_family":"DevOps","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"hiring_geo_confidence":"structured","locations":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":136000,"max_usd":266000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":304},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"LDAP","optional":false},{"name":"Linux","optional":false}],"status":"live","first_seen_at":"2026-08-18T17:48:14Z","employer_posted_date":"2026-08-22","last_verified_at":"2026-09-24T01:18:34Z","board_verified":true,"closed_at":null,"days_open":36,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":36},"description":"Closure Technologies is an innovative IT consulting and software engineering company that helps government organizations solve complex technical challenges. The company specializes in custom software development, cloud infrastructure, cybersecurity, systems integration, and data analytics, delivering scalable solutions that improve operational efficiency and drive mission success. With a collaborative and problem-solving culture, Closure Technologies is committed to building high-impact technology solutions that are delivered on time, within budget, and tailored to each client’s unique needs.\nClearance Requirement: TS/SCI with Polygraph\nKey Responsibilities:\nPlanning, testing, installing, integrating, and maintaining new and upgraded versions of the relevant operating systems\nBuilding and hardening Linux servers, and establishing configuration baselines\nApplying all appropriate security and firmware patches in a timely manner, and assisting in creating, maintaining, and adhering to the organization’s patch management plans\nDeveloping test plans and procedures\nReplacing server hardware components where necessary\nTesting and integrating software and hardware\nManaging operating system lifecycles\nEstablishing, developing, testing, staging, and operating environments\nDesigning interfaces to external systems\nResearching and resolving operating system problems efficiently and accurately, while adhering to organizational standards and practices\nTroubleshooting operating system problems, and collaborating with other teams (e.g. application development, network, etc.) to resolve problems across the organization\nProviding technical support to other teams (e.g. application development, etc.) on requirements for integration into the operating system\nMaintaining and updating documentation on the operating system configuration and all other areas of responsibility\nRequired Qualifications:\nTS/SCI w/ Polygraph\nMinimum of 10 years configuring and maintaining Linux servers\nBachelor’s Degree in Computer Science, Information Systems, Engineering, or other related discipline, OR 10 years of related technical experience may be substituted for education\nStrong Linux administration experience\nExperience working in an organization with complex, intertwined systems and data flows\nExperience creating, maintaining, and communicating complex information technology documentation\nExperience with domain account management, particularly via Centrify, LDAP, and Active Directory\nExperience applying security patches in a Linux environment\nStrong shell scripting experience\nAbility to manage a large, complex server environment\nExperience with the server environment, its hardware components and how/where they are used\nUnderstanding how to troubleshoot and replace server hardware if necessary\nStrong communication and collaboration skills to work effectively and proactively across a large organization of dispersed teams","description_format":"text","description_chars":2931,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence"],"lifecycle":[{"event":"open","at":"2026-09-18T18:20:18Z"}],"liveness":{"score":77,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":0.9,"age_days":35,"expected_fill_days":55,"reasons":["conf:10","win:mid"],"computed_at":"2026-09-23T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/closuretech-linux-administrator","json_url":"https://alion.io/job/closuretech-linux-administrator.json","meta":{"generated_at":"2026-09-24T03:31:28Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers"}}