{"id":466618,"url":"https://alion.io/job/mantech-systems-administrator","title":"Systems Administrator","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":86,"ghost_share":0,"stale_share":0,"repost_share":0.035,"time_to_fill_p50_days":13,"computed_at":"2026-10-29T05:49:05Z"}},"role":"DevOps","role_family":"DevOps","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":["San Diego, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":98000,"max":163100,"currency":"USD","period":"year","gross":null,"usd_annual":163100},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Nessus","optional":false},{"name":"VMWare","optional":false},{"name":"Windows","optional":false},{"name":"ITIL","optional":true},{"name":"Linux","optional":true},{"name":"SIEM","optional":true}],"status":"live","first_seen_at":"2026-09-06T12:16:21Z","employer_posted_date":"2026-09-09","last_verified_at":"2026-10-29T20:15:52Z","board_verified":true,"closed_at":null,"days_open":53,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":52},"description":"Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!\nMANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team in San Diego, CA. This is an onsite position.\nIn this role, you will support national security by maintaining critical enterprise infrastructure, troubleshooting site outages, and executing dual network and system administration.\nResponsibilities include but are not limited to:\nAdminister, configure, and maintain Windows servers, workstations, domain controllers, cloud resources, VMware, and enterprise storage.\n\nConfigure, maintain, and troubleshoot KG-175 (TACLANE) cryptographic inline network encryptors, troubleshoot network connectivity, baseline routers/switches, and perform rapid troubleshooting for critical site outages.\n\nPerform user account management, log and triage ticketing system incidents, and resolve or escalate technical issues.\n\nPerform automated patching, vulnerability remediation (ACAS/Nessus), system hardening, and media transfers in coordination with the ISSO.\n\nPerform remote site surveys, identify hardware and cabling requirements, configure baseline hardware, and handle equipment shipping and inventory.\n\nAbility to travel up to 25%, both CONUS and OCONUS as required\n\nMinimum Qualifications\nBachelor’s degree with 4+ years of information technology or related experience; an Associates degree with 6+ years of related experience, or High School Diploma with 10+ years of related experience can be substituted in lieu of a degree\n\nDoD 8570 IAT Level II compliance required (e.g., Security+ CE or equivalent)\n\n2+ years of direct experience in a Network Administrator or Systems Administrator role.\n\n4+ years of experience designing, deploying, and maintaining enterprise Windows infrastructure, ex., AD, DHCP, DNS, NTP, CA, GPO or WSUS\n\nExperience configuring and managing TACLANE family encryptors\n\nExperience troubleshooting site outages, routing or switching issues and performing user account resets and management.\n\nPreferred Qualifications\nDegree in IT/Cybersecurity from an ABET-accredited or CAE-designated institution.\n\nDoD 8140.03 Intermediate Certification (Cloud+, GICSP, SSCP, or GSEC) or military equivalent.\n\nITIL v4 Foundations or MCSA certifications.\n\nDemonstrated technical proficiency with VMware/ESXi virtualization, patch management, Linux (RHEL) familiarity, SIEM tools, and backup/recovery protocols.\n\nClearance Requirements\nMust have a current or active Top Secret clearance with SCI eligibility and willingness to submit to a polygraph.\n\nPhysical Requirements\nMust be able to remain in a stationary position 50% of the time.\n\nMust be able to move within the office to access machinery and communicate effectively via virtual/phone platforms.\n\nMust be able to regularly lift up to 50 lbs.\n\nThe projected compensation range for this position is $98,000.00-$163,100.00. 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":4365,"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":["Artificial Intelligence","Cybersecurity","Government"],"lifecycle":[{"event":"open","at":"2026-09-06T12:16:21Z"},{"event":"close","at":"2026-09-09T18:20:23Z"},{"event":"reopen","at":"2026-09-09T21:20:23Z"},{"event":"close","at":"2026-09-10T00:20:28Z"},{"event":"restore","at":"2026-09-14T19:49:05Z"}],"visa":[],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.381,"p_room":0.28,"age_days":52,"expected_fill_days":13,"reasons":["conf:1","wave","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-29T05:49:05Z"},"pay":{"stated_usd_annual":163100,"is_top_pay":true},"html_url":"https://alion.io/job/mantech-systems-administrator","json_url":"https://alion.io/job/mantech-systems-administrator.json","meta":{"generated_at":"2026-10-29T23:38:50Z","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":34766,"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":179527},"rest":"https://alion.io/mcp/rest/get_company?id=179527"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmantech-systems-administrator"},{"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-systems-administrator"},{"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-systems-administrator"},{"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-systems-administrator\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmantech-systems-administrator"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":466618}},{"tool":"search_jobs","arguments":{"company":"mantech.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":466618},"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. 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