Systems Administrator / Systems Infrastructure Lead

EPS Corporation; Scott Air Force Base (IL); On-site; USD 90,000 - 120,000; Full time

Job summary

EPS Corporation seeks a Sr System Administrator to lead enterprise server, storage, and AD services supporting ARTRANS C4ISR and distribution operations worldwide. You will be the primary technical contact and capability lead for systems infrastructure, with mission-essential duties in contingencies.

The role requires 5+ years in enterprise systems administration, DoD enclave experience, STIG-hardening, and a SECRET clearance.

Qualifications

• 5+ years of enterprise systems administration in Windows/Linux, virtualization, SAN/NAS, and AD.
• DoD/Army enclave experience with STIG-hardened systems is required.
• Security+ or CySA+ and a computing-environment certification are favored.
• DoD 8140.03 foundational qualification is required before start; privileged access.
• SECRET clearance (final, adjudicated) is required.

Responsibilities

• Lead administration of physical/virtual server OS installations and patching.
• Manage AD domains, user accounts, and security groups across in-scope systems.
• Operate backup and recovery (Veeam) to meet RTO/RPO for mission-critical systems.
• Maintain enterprise tools (SCCM, SolarWinds) and handle service restorations during contingencies.

Skills

Windows/Linux server administration

Virtualization

Active Directory management

Security+ or CySA+

DoD environments

Education

Security+ or CySA+ certification

DoD 8140.03 foundational qualification

Tools

SCCM

SolarWinds

Veeam

VMware vSphere/vCenter

NetApp ONTAP

Job description

EPS Corporation is looking for a Sr System Administrator that leads systems administration for all in-scope physical and virtual server infrastructure, storage, and Active Directory services supporting U.S. Army Transportation Command (ARTRANS) C4ISR and distribution operations worldwide. Serves as the primary technical point of contact and Capability Lead for systems infrastructure services. This role is designated Mission Essential and must perform during contingencies.

Key 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 Recovery Time Objective (RTO) and Recovery Point Objective for mission-critical systems
• Manage enterprise tools (SCCM, SolarWinds) and support critical service restoration priorities during contingencies

Work Location

Scott Air Force Base, Illinois; Mission Essential on-site reporting during base closures/contingencies.

Required Qualifications, Certifications & Experience

• 5+ years of enterprise systems administration (Windows/Linux server, virtualization, SAN/NAS, Active Directory)
• DCWF Work Role 411 - Systems Administrator, Intermediate proficiency. Common qualifying 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 (e.g., Veeam, Commvault, or equivalent)

Familiarity with SIPRNet-connected mission systems