Mission-Critical SysAdmin (DoD) – SECRET Clearance | On-Site

EPS CORP

Illinois

On-site

USD 95,000 - 130,000

Full time

14 days+

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Job summary

EPS Corporation seeks a Sr System Administrator to lead systems administration for all in-scope physical and virtual server infrastructure, storage, and AD services supporting ARTRANS C4ISR and distribution operations worldwide.

The role serves as the primary technical contact and Capability Lead for infrastructure services, designated Mission Essential and active during contingencies; on-site at Scott Air Force Base in Illinois.

Qualifications

5+ years of enterprise systems administration (Windows/Linux server, virtualization, SAN/NAS, Active Directory).
DCWF Work Role 411 - Systems Administrator, Intermediate proficiency.
Certifications: Security+ or CySA+, plus a computing environment certification (e.g., Microsoft/Linux/VMware).
DoDM 8140.03 foundational qualification prior to start; Residential Qualification for privileged access.
SECRET clearance (final, adjudicated) at minimum.
Experience in a DoD/Army enclave with STIG-hardened systems.
Backup/DR tooling experience (Veeam, Commvault, or equivalent).

Responsibilities

Install, configure, patch, and maintain physical/virtual server OS (Windows Server 2019/2022, RHEL 8/9), SAN/NAS (NetApp ONTAP), and VMware vSphere/vCenter.
Administer user accounts and security groups for in-scope Active Directory domains.
Operate data backup and recovery (Veeam) meeting RTO and RPO for mission-critical systems.
Manage enterprise tools (SCCM, SolarWinds) and support critical service restoration priorities during contingencies.