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Open nowPosted 29 hours ago

Senior Systems Administrator

tau-six4 open roles

Where
San Diego, California, United States
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Your applicationOpen nowSenior Systems Administratortau-six · San Diego, California, United States

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  2. 3.5%3 days
  3. 7.8%7 days
  4. 14.6%14 days
  5. 34.0%30 days
This job: posted 29 hours ago

The posting

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.

This 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 1:00 AM - 9:00 AM Pacific time.

CLEARANCE REQUIRED: Active Top Secret clearance with SCI eligibility

Responsibilities:

  • Administer, configure, and maintain Windows servers, workstations, domain controllers, cloud resources, VMware, and enterprise storage
  • Configure, maintain, and troubleshoot KG-175 (TACLANE) cryptographic inline network encryptors, troubleshoot network connectivity, baseline routers/switches, and perform rapid troubleshooting for critical site outages
  • Perform user account management, log and triage ticketing system incidents, and resolve or escalate technical issues
  • Perform automated patching, vulnerability remediation (ACAS/Nessus), system hardening, and media transfers in coordination with the ISSO
  • Perform remote site surveys, identify hardware and cabling requirements, configure baseline hardware, and handle equipment shipping and inventory
  • Ability to consistently work the assigned 1:00 AM - 9:00 AM shift (including potential weekend or holiday coverage) and travel up to 25%, both CONUS and OCONUS as required

Minimum Qualifications:

  • Bachelor’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
  • DoD 8140.03 certification required (e.g., Security+ CE or equivalent)
  • 2+ years of direct experience in a Network Administrator or Systems Administrator role
  • 4+ years of experience designing, deploying, and maintaining enterprise Windows infrastructure, ex., AD, DHCP, DNS, NTP, CA, GPO or WSUS
  • Experience configuring and managing TACLANE family encryptors
  • Experience troubleshooting site outages, routing or switching issues and performing user account resets and management

Preferred Qualifications:

  • Degree in IT/Cybersecurity from an ABET-accredited or CAE-designated institution
  • DoD 8140.03 Intermediate Certification (eg. Cloud+, GICSP, SSCP, or GSEC) or military equivalent
  • ITIL v4 Foundations or MCSA certifications
  • Demonstrated technical proficiency with VMware/ESXi virtualization, patch management, Linux (RHEL) familiarity, SIEM tools, and backup/recovery protocols

Security Requirements:

  • Must possess an active Top Secret clearance with SCI eligibility and willingness to submit to a polygraph

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
  • Must be able to move within the office to access machinery and communicate effectively via virtual / phone platforms
  • Must be able to regularly lift up to 50 lbs
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