Senior Cyber Security Administrator

  • GovCIO LLC
  • San Antonio, Texas
  • 09/22/2026
Full time Information Technology Telecommunications

Job Description

GovCIO LLC seeks a Senior Cyber Security Administrator to secure mission-critical federal IT systems. In this role, you will administer and harden security tools, monitor and investigate security events, and lead incident response to protect complex, multi-cloud and on-prem environments. You'll implement security baselines, support NIST/FISMA compliance, manage identity and access controls, and drive remediation of vulnerabilities. Working in a mission-driven, collaborative culture, you'll mentor others, influence security architecture, and help modernize government technology at scale.

Responsibilities

  • Administer and harden security tools, firewalls, IDS/IPS, and endpoint protection across federal environments.
  • Monitor security events, investigate incidents, and coordinate response and remediation.
  • Implement and maintain security baselines, configurations, and patch management processes.
  • Support compliance with federal security standards (e.g., NIST, FISMA) and internal policies.
  • Conduct vulnerability scans, analyze findings, and drive remediation with engineering teams.
  • Manage identity and access controls, including privileged account management and MFA.
  • Develop and update security documentation, runbooks, and standard operating procedures.
  • Collaborate with Dev, Cloud, and Network teams to embed security into system designs.
  • Support security audits, assessments, and ATO-related activities for federal systems.
  • Mentor junior staff and contribute to continuous improvement of cybersecurity operations.

Required Skills

  • Network security administration (firewalls, IDS/IPS)
  • Security Information and Event Management (SIEM) tools
  • Endpoint protection and EDR platforms
  • Vulnerability assessment and remediation
  • Identity and Access Management (IAM) and MFANIST and FISMA compliance frameworks
  • Incident detection, triage, and response
  • Security hardening and configuration management
  • Cloud security (AWS/Azure/GCP) fundamentals
  • Scripting/automation (Power
  • Shell, Python, or similar)