SolarWinds Systems Administrator – DoD, 24/7 Operations

Seneca Resources; Quantico (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

Seneca Resources seeks a Systems Administrator to support an enterprise SolarWinds platform for a DoD customer. You will manage Windows Server 2022 and Ubuntu Linux, administer VMware vCenter, and ensure patching, STIG compliance, and ATO readiness across NIPR and SIPR networks.

You will troubleshoot SolarWinds issues, coordinate with the database team, and contribute to disaster recovery, documentation, and Tier 3 support for leadership and vendors. A strong DoD background is required.

Qualifications

• 4+ years of hands-on systems administration experience in a DoD environment.
• Hands-on SolarWinds administration experience beyond just using the console.
• Experience administering Windows Server and Active Directory.
• Comfortable working in Linux: logs, services, permissions, and the command line.
• Hands-on experience applying STIGs and remediating ACAS/Nessus findings.
• Working knowledge of RMF and ATO processes.
• Networking fundamentals, including TCP/IP, routing, VLANs, and firewalls.
• Ability to explain technical issues clearly in plain English.

Responsibilities

• Administer and maintain the enterprise SolarWinds platform: upgrades, polling engines, modules, alerting, and data collection from network devices and servers.
• Troubleshoot SolarWinds issues and work with the database team to keep the platform’s SQL backend healthy.
• Administer Windows Server 2022 and Ubuntu Linux servers, including services, logs, permissions, and access controls.
• Maintain VMware virtual infrastructure through vCenter, including VMs, snapshots, storage, and resource balancing.
• Support backups, restores, and disaster recovery so mission-supporting systems can be recovered quickly.
• Apply DISA STIGs, remediate ACAS findings, and keep systems current on patching cycles.
• Support RMF activities and work with cybersecurity teams during assessments to maintain the system’s ATO.
• Document configuration changes and maintain diagrams, SOPs, and notes the team can use.
• Provide Tier 3 troubleshooting and escalation support to government leadership, vendors, and operations leadership.
• Support operations during exercises, deployments, and contingency missions.
• Help junior team members build their skills and stay ready to cover the platform.

Skills

SolarWinds administration

Windows Server

Linux administration

RMF/ATO processes

STIGs/ACAS/Nessus remediation

Networking fundamentals

Documentation

Scripting (PowerShell/Bash)

DoD environment experience

Vulnerability remediation

Tools

VMware vCenter/ESXi

Backup/DR tools (Veeam/Commvault)

SolarWinds modules (NPM/SAM/NCM/NTA)

NIPR/SIPR networks

RHCSA/VCP certifications

Job description

Seneca Resources seeks a Systems Administrator to support an enterprise SolarWinds platform for a DoD customer. You will manage Windows Server 2022 and Ubuntu Linux, administer VMware vCenter, and ensure patching, STIG compliance, and ATO readiness across NIPR and SIPR networks.

You will troubleshoot SolarWinds issues, coordinate with the database team, and contribute to disaster recovery, documentation, and Tier 3 support for leadership and vendors. A strong DoD background is required.