Multi-Domain System Administrator

Astrion-posted 1 day ago
Full-time • Mid Level
Onsite • Albuquerque, NM
1,001-5,000 employees
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Multi-Domain Systems Administrator LOCATION: On Site - Kirtland AFB, NM JOB STATUS: Full-time CLEARANCE: Active TS/SCI CERTIFICATIONS: DoD 8570/8140 IAT Level II or III Astrion is seeking a versatile and mission-focused Multi-Domain Systems Administrator to support the Air Force Research Laboratory’s (AFRL) Research & Development Integrated Space Experiments (RISE) contract at Kirtland AFB, NM. In this role, you will deliver end-to-end system, cloud, cyber, and network administration across secure DoD environments. This position supports day-to-day mission operations, user enablement, cloud configuration, infrastructure sustainment, and system troubleshooting for multiple AFRL program environments.

  • Administer accounts, onboarding/offboarding, MFA, PKI/CAC, and certificate updates across multiple secure environments.
  • Provision, configure, and maintain AWS Workspaces, AWS Directory Service, and cloud-integrated identity services.
  • Perform Windows and RHEL Linux system administration, including patching, service configuration, troubleshooting, and baseline security hardening.
  • Manage Active Directory (Cloud DC) objects and enforce least-privilege IAM policies.
  • Troubleshoot system, network, and cloud-access issues for on-prem and AWS environments.
  • Support network tasks including ACL updates, firewall coordination, static IP assignments, and general connectivity troubleshooting.
  • Maintain IT infrastructure equipment such as UPS systems, network devices, and firewall configuration backups.
  • Follow configuration management and change-control processes for system updates and infrastructure modifications.
  • Maintain documentation (access lists, configurations, system inventories) and collaborate with engineering, cyber, and PM teams to ensure operational readiness.
  • Top Secret clearance with SCI eligibility (required at start).
  • Bachelor’s degree in IT, Computer Science, Cybersecurity, Systems Administration, or a related technical field.
  • DoD 8570/8140 IAT Level II or III certification (e.g., Security+, CySA+, CCNA Security, CASP+, or CISSP)
  • 5+ years of experience as a Systems Administrator, Cloud Administrator, Network Administrator, or similar role supporting DoD or mission-critical systems.
  • Hands-on administration experience with Red Hat Enterprise Linux (RHEL) including user management, patching, service configuration, and security hardening.
  • Experience with AWS WorkSpaces administration, Active Directory/Cloud DC, IAM, and identity lifecycle management.
  • Working knowledge of networking fundamentals, access control lists (ACLs), DNS, DHCP, routing, and troubleshooting connectivity issues.
  • Experience with cyber hygiene requirements such as MFA enforcement, PKI/certificate compliance, password policies, and cybersecurity training validation.
  • Strong communication skills with the ability to coordinate across multidisciplinary engineering, cyber, and program management groups.
  • Experience supporting AFRL, USSF, or other DoD programs.
  • Experience with AWS Directory Services or hybrid cloud/On-Prem + AWS environments.
  • Familiarity with eMASS for updating certificates, commenting on findings, or assisting with user-level RMF tasks.
  • Experience managing Atlassian tools such as Confluence, Jira, and Bitbucket.
  • Working knowledge of STIG/SRG-based hardening for Windows and RHEL systems.
  • Basic scripting or automation skills (PowerShell, Bash, Python).
  • Familiarity with log monitoring platforms (e.g., Splunk, ELK, Graylog).
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