Intermediate Systems Administrator - Secure Govt IT & Cloud

The Johns Hopkins University Applied Physics Laboratory; Laurel (MD); On-site; USD 100,000 - 195,000; Full time

Job summary

The Johns Hopkins University Applied Physics Laboratory (APL) seeks an Intermediate Systems Administrator to ensure reliability, security, and performance across Linux, Windows, virtualization, storage, and HPC systems in SAP/SCI environments.

You will work in highly classified facilities, supporting RMF and authorization activities, applying STIG and JSIG/NISPOM guidance, maintaining configuration baselines, and coordinating with senior admins.

Qualifications

• Bachelor's or higher in CS/IT with 4+ years of experience, or an associate degree with 5+ years.
• Proven Linux/Windows system administration and Active Directory experience.
• Hands-on with cloud/virtualization and network troubleshooting.
• Familiar with STIGs, JSIG/NISPOM guidance, and CERT-level security practices.

Responsibilities

• Provide intermediate system administration for Linux, Windows, virtualization, storage, and HPC in SAP/SCI environments.
• Configure, install, maintain, and document systems using approved baselines.
• Troubleshoot Linux and Windows, support VM deployment and monitoring.
• Perform backups, recovery, and continuity testing; manage storage.
• Support RMF and authorization activities; maintain security documentation.
• Apply cybersecurity requirements and maintain classification environment compliance.
• Maintain documentation, SOPs, and ticket updates in ITSM system.
• Assist with upgrades, migrations, and technology refresh under senior direction.

Skills

Linux Admin

Windows Admin

Cloud/Virtualization

Network Troubleshooting

Security & STIG

PKI & Certificates

Security Tools

DoD 8140 Certs

Clearance (TS)

Education

Bachelor's Degree in CS/IT

Associate's Degree + 5+ years

Tools

AWS

Azure

VMware

Hyper-V

QUEMU

Job description

The Johns Hopkins University Applied Physics Laboratory (APL) seeks an Intermediate Systems Administrator to ensure reliability, security, and performance across Linux, Windows, virtualization, storage, and HPC systems in SAP/SCI environments.

You will work in highly classified facilities, supporting RMF and authorization activities, applying STIG and JSIG/NISPOM guidance, maintaining configuration baselines, and coordinating with senior admins.