{"id":1748879,"url":"https://alion.io/job/tau-six-senior-systems-administrator","title":"Senior Systems Administrator","company":{"id":696152,"name":"Tau Six","domain":"tau-six.com","url":"https://alion.io/company/tau-six","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":null},"role":"DevOps","role_family":"DevOps","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":["San Diego, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":105000,"max_usd":200000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1716},"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":"2026-10-02T18:39:03Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-24T08:55:32Z","board_verified":true,"closed_at":null,"days_open":21,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":21},"description":"Join Tau Six, an agile small company that delivers cutting edge cybersecurity and system integration services to the US National Security market. We have an immediate need for a Senior Systems Administrator and are seeking a motivated self-starter with experience in secure information systems to join a team of professionals and help defend national security systems.\nThis Senior Systems Administrator position supports national security by maintaining critical enterprise infrastructure, troubleshooting site outages, and executing dual network and system administration to ensure continuous operational readiness and incident response support. Duty hours for this position run from 9:00 AM - 5:00 PM Pacific time.\nCLEARANCE REQUIRED: Active Top Secret clearance with SCI eligibility\nResponsibilities:\nAdminister, configure, and maintain Windows servers, workstations, domain controllers, cloud resources, VMware, and enterprise storage \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 \nPerform user account management, log and triage ticketing system incidents, and resolve or escalate technical issues \nPerform automated patching, vulnerability remediation (ACAS/Nessus), system hardening, and media transfers in coordination with the ISSO \nPerform remote site surveys, identify hardware and cabling requirements, configure baseline hardware, and handle equipment shipping and inventory \nBe willing to travel up to 25%, both CONUS and OCONUS as required\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 \nDoD 8140.03 certification required (e.g., Security+ CE or equivalent) \n2+ years of direct experience in a Network Administrator or Systems Administrator role \n4+ years of experience designing, deploying, and maintaining enterprise Windows infrastructure, ex., AD, DHCP, DNS, NTP, CA, GPO or WSUS\nExperience configuring and managing TACLANE family encryptors \nExperience troubleshooting site outages, routing or switching issues and performing user account resets and management\nPreferred Qualifications:\nDegree in IT/Cybersecurity from an ABET-accredited or CAE-designated institution\nDoD 8140.03 Intermediate Certification (eg. Cloud+, GICSP, SSCP, or GSEC) or military equivalent\nITIL v4 Foundations or MCSA certifications\nDemonstrated technical proficiency with VMware/ESXi virtualization, patch management, Linux (RHEL) familiarity, SIEM tools, and backup/recovery protocols\nSecurity Requirements:\nMust possess an active Top Secret clearance with SCI eligibility and willingness to submit to a polygraph\nPhysical Requirements:\nMust be able to remain in a stationary position 50% of the time\nMust be able to move within the office to access machinery and communicate effectively via virtual / phone platforms\nMust be able to regularly lift up to 50 lbs","description_format":"text","description_chars":3146,"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":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Information Security","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-10-03T07:42:02Z"}],"visa":[],"liveness":{"score":72,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.799,"p_room":0.9,"age_days":21,"expected_fill_days":36,"reasons":["conf:1","win:mid"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/tau-six-senior-systems-administrator","json_url":"https://alion.io/job/tau-six-senior-systems-administrator.json","meta":{"generated_at":"2026-10-24T12:38:34Z","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":18223,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":696152},"rest":"https://alion.io/mcp/rest/get_company?id=696152"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftau-six-senior-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%2Ftau-six-senior-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%2Ftau-six-senior-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/tau-six-senior-systems-administrator\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftau-six-senior-systems-administrator"}]}