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# Systems Administrator - Intermediate

- **Company:** The Johns Hopkins University Applied Physics Laboratory LLC
- **Location:** North Laurel, MD, United States
- **Experience:** Experienced
- **Salary:** $100,000.0 - $195,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Microsoft Azure, Cloud Computing, Cyber Security, Linux, Hyper-V, Network Troubleshooting, McAfee VirusScan, NetApp Applications, Public Key Infrastructure, RSA (Cryptosystem), SAP (Applications), Security Content Automation Protocol, Virtual Local Area Networks, Virtual Machines, Virtualization Technology, Backup and Restore, SSL Certificate Management, Scripting, Storage Devices, System Availability, Information Technology, National Industrial Security Program Operating Manual (NISPOM), Splunk, User Administration, Vmware
- **Published:** November 5, 2026
- **Apply:** https://diversityjobs.com/career/18844743/Systems-Administrator-Intermediate-Maryland-Laurel

## About the Role

* Have a Bachelors Degree and 4+years of professional experience in Computer Science, Information Technology, or a related field or an Associate's degree with 5+ years of relevant experience.
 * Demonstrated success in roles that require both responsive technical support and proactive system administration beyond helpdesk or isolated roles.
 * Proficiency in Linux and/or Windows system administration, including user management through Active Directory (or equivalent) and Group Policy configuration.
 * Hands-on experience with cloud/virtualization technologies (e.g., AWS, Azure, VMware, Hyper-V, QUEMU), and network troubleshooting.
 * Familiarity with security practices, including deploying patches, configuring firewalls, and applying Security Technical Implementation Guide (STIG) standards as per JSIG or NISPOM guidance.
 * Experience with certificate management (PKI, RSA, Windows/Linux certificate services) and security tools (e.g., ACAS, SCAP, Splunk, Ivanti, McAfee)
 * Current DoD 8140 Systems Administration certification (e.g., Security+, SSCP, CISSP-ISSE, etc.).
 * Cloud certifications or equivalent platform-specific credentials are highly desired.
 * Hold an active Top Secret security clearance and can ultimately obtain TS/SCI level clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

You'll go above and beyond our minimum requirements if you...

 * A Master's degree in Computer Science, Information Technology, related field or 8+ years of equivalent professional experience.
 * Certified for multiple technologies, cloud, or virtualization software.
 * NetApp or SAN experience.
 * Experience manually building physical systems.
 * Configured managed switches.
 * Experience with endpoint protection applications (e.g. Splunk).
 * Practical experience with programming / scripting languages.
 * Working familiarity with Director of Central Intelligence Directives (DCID) or Intelligence Community Directives (ICD) security requirements.
 * Experience with HP Secure Print.

## Description

We are looking for a skilled Intermediate Systems Administrator who will ensure the reliability, security, and performance of our diverse IT environments-including stand-alone systems, networked infrastructures, and secure cloud solutions in unique Special Access and SCI facilities., * Provide intermediate system administration support for Linux, Windows, virtualization, storage, and HPC systems in SAP/SCI environments.

 * Configure, install, maintain, and document systems using approved architectures and baselines.
 * Troubleshoot intermediate issues in Linux operating systems and Windows Operating Systems.
 * Support virtualized environments, including virtual machine deployment, monitoring, troubleshooting, and routine maintenance using commercial off the shelf software.
 * Perform system backups, recovery activities, and scheduled continuity testing to protect data availability and integrity.
 * Troubleshoot and administrator storage devices, including capacity monitoring, backups, and routine troubleshooting.
 * Perform basic network switch troubleshooting, including ports, VLANs, connectivity, and segmentation, in coordination with senior systems administrators.
 * Create and manage user and privileged accounts, access permissions, passwords, and periodic access reviews.
 * Apply patches, remediate findings, and maintain approved configuration baselines of IT technology.
 * Monitor system health, capacity, availability, and security status; respond to alerts and document corrective actions.
 * Support RMF and authorization activities by maintaining configuration records, procedures, diagrams, control evidence, and other assigned security documentation.
 * Apply cybersecurity, OPSEC, COMSEC, and classified-environment requirements during daily system administration.
 * Maintain technical documentation, SOPs, system records, and ticket updates in the approved IT service management system.
 * Assist with system upgrades, migrations, technology refreshes, testing, and operational transitions under senior technical direction.
 * Maintain current knowledge of applicable technologies, vulnerabilities, security requirements, and system administration practices.