{"id":1678308,"url":"https://alion.io/job/l3harris-technologies-linux-administrator-sr-specialist-systems-administration","title":"(Linux Administrator) Sr. Specialist, Systems Administration","company":{"id":177017,"name":"L3Harris Technologies","domain":"l3harris.com","url":"https://alion.io/company/l3harris-technologies","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":100,"open_postings":27,"ghost_share":0,"stale_share":0,"repost_share":0.037,"time_to_fill_p50_days":18,"computed_at":"2026-10-27T05:46:45Z"}},"role":"DevOps","role_family":"DevOps","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":["Tulsa, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":89000,"max_usd":169000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1808},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Ansible","optional":false},{"name":"LDAP","optional":false},{"name":"Linux","optional":false},{"name":"NIST 800-53","optional":false},{"name":"Red Hat","optional":false},{"name":"TCP/IP","optional":false},{"name":"VMWare","optional":false},{"name":"Windows","optional":false}],"status":"closed","first_seen_at":"2026-10-02T07:00:00Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-27T03:25:42Z","board_verified":false,"closed_at":"2026-10-27T03:25:42Z","days_open":24,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":24},"description":"Job Title: (Linux Administrator) Sr. Specialist, Systems Administration\nJob Code: 42157\nJob Location: Tulsa, OK\nJob Schedule: 9/80 (Every Other Friday off!)\nJob Description:\nExperienced Linux Administrator responsible for maintaining a mixed Windows and Linux system environment. This candidate should understand networking concepts, be capable of performing system patching and STIG hardening, be proficient with deployment using automation tools as well as having experience providing end user support to the desktop level. The person in this position must be able to communicate technical concerns and solutions to varying levels of management and program engineering teams and is also responsible for leading IT projects at the local level. In addition, this position will provide managerial support for 2 on-site system administrators.\nEssential Functions:\nResponsible for administration and maintenance of Red Hat Linux servers and workstations\nEnsure compliance with computer security policy, including NIST 800-53 and DISA STIGs\nRespond to support tickets & interface with users\nDevelop and monitor policies and standards and develop documentation related to the use of computing resources\nInteract with the business and program leadership to evaluate vendor products and make hardware and software recommendations\nManagerial support for on-site system administration team to include performance evaluations and budget management.\nQualifications:\nBachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.\n8 years of experience in/with: Red Hat Linux administration, networking (TCP/IP, network interfaces, subnets), shell scripting, troubleshooting, cybersecurity practices (patch management, STIG compliance, system accreditation, etc.)\nCurrent/Active Secret Security Clearance\nPreferred Additional Skills:\nCompTIA Security+, CISSP or any DoD 8140 approved certification\nAbility to function independently with minimal direction\nWillingness to train and adapt to new technologies\nAbility to function in a team environment; collaborate with other team members.\nGood interpersonal skills for interfacing with direct reports, users and business/program management\nExperience with LDAP, VMware, Citrix, Centrify, VDI\nExperience with authenticating RHEL logins to Active Directory\nAutomation & enterprise deployment tools (Satellite, Ansible, Kickstart)\nKnowledge of storage appliances (e.g. NetApp)\nFamiliarity with backup concepts and solutions (e.g. CommVault)\nWorking knowledge of Samba and NFS","description_format":"text","description_chars":2651,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Government","Military","Science & Engineering","National Security"],"lifecycle":[{"event":"open","at":"2026-10-02T09:08:25Z"},{"event":"close","at":"2026-10-27T03:25:42Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 5","filings_12m":5,"filings_prev_12m":7,"green_card_filings_12m":0,"median_offered_wage_usd":107500,"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":3}],"liveness":null,"pay":null,"html_url":"https://alion.io/job/l3harris-technologies-linux-administrator-sr-specialist-systems-administration","json_url":"https://alion.io/job/l3harris-technologies-linux-administrator-sr-specialist-systems-administration.json","meta":{"generated_at":"2026-10-28T05:14:48Z","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":6903,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":177017},"rest":"https://alion.io/mcp/rest/get_company?id=177017"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fl3harris-technologies-linux-administrator-sr-specialist-systems-administration"},{"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%2Fl3harris-technologies-linux-administrator-sr-specialist-systems-administration"},{"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%2Fl3harris-technologies-linux-administrator-sr-specialist-systems-administration"},{"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/l3harris-technologies-linux-administrator-sr-specialist-systems-administration\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fl3harris-technologies-linux-administrator-sr-specialist-systems-administration"}]}