IT Systems Administrator, Intermediate

Savannah River National Laboratory (SRNL) is seeking a skilled IT System Administrator to provide full lifecycle support for systems within a DOE mission environment. This position supports the configuration, maintenance, and performance of engineering applications critical to the design, analysis, and sustainment of national security infrastructure and energy research systems.

Key Responsibilities

• Support integrations with enterprise systems such as ERP, ALM, and identity management platforms.
• Coordinate and implement system patches, version upgrades, performance tuning, and infrastructure changes.
• Provide Tier II/III technical support to end users, engineering teams, and classified program offices.
• Participate in audits, compliance checks, and system reviews to meet DOE cybersecurity standards (NIST 800-53, DOE O 205.1C, etc.).
• Maintain technical documentation including SOPs, diagrams, and configuration baselines for NSS.
• Collaborate with cybersecurity staff to implement STIGs, POA&Ms, and continuous monitoring plans.
• Implement and test disaster recovery and backup strategies to support mission assurance.
• Serve as liaison between engineering stakeholders, application vendors, and DOE system owners to resolve complex issues.

Required Skills:

• OS: Intermediate-level Windows Server (2016+) and intermediate Linux (RHEL/Ubuntu).
• Virtualization: Strong experience with VMware vSphere (ESXi/vCenter) or Hyper-V.
• Identity: Active Directory, GPO management, and DNS/DHCP administration.
• Hardware: Experience with rack-mounted servers (Dell PowerEdge/HPE ProLiant) and SAN/NAS storage.
• General: Strong troubleshooting logic and attention to detail

Minimum Qualifications:

• Bachelor's Degree in computer science, computer engineering and 4+ years of relevant experience. Equivalent experience will be reviewed in lieu of degree.
• For ability to obtain and maintain a security clearance, US Citizenship is Legally Required

Preferred Qualifications:

• Cloud: Experience managing hybrid environments in Azure or AWS.
• Automation: Proficiency in PowerShell scripting for task automation.
• Security: Experience with patch management tools (PDQ Deploy/WSUS) and endpoint protection.
• Certifications: Microsoft AZ-800, VCP-DCV, or RHCSA are a plus.