6d ago

Senior Systems Administrator

US·San Diegosenior

Systems AdministratorInfrastructure & Cloud

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Quick Summary

Key Responsibilities

Administer, configure, and maintain Windows servers, workstations, domain controllers, cloud resources, VMware, and enterprise storage Configure, maintain,

Requirements Summary

00 AM - 9:00 AM shift (including potential weekend or holiday coverage) and travel up to 25%,

Technical Tools

Systems AdministratorInfrastructure & Cloud

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.

Responsibilities

~1 min read

→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

Requirements

~1 min read

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

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

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

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