System Administrator (Secret Clearance)

Zachary Piper Solutions; San Diego (CA); Hybrid; USD 100,000 - 115,000; Full time

Benefits offered by this job

PTO

Paid Holidays

Medical

Dental

Vision

401k

Job summary

Zachary Piper Solutions is seeking a System Administrator to support a U.S. Navy program in San Diego, CA. The role focuses on maintaining Windows and RHEL servers for a DoD-related network, with a Secret clearance and 100% onsite work.

The position requires IAT II certifications and strong scripting in PowerShell and Bash. Responsibilities include hardening systems per STIGs, patch management, vulnerability remediation, and collaboration across engineering and cybersecurity teams.

Qualifications

• Active Secret Clearance required.
• Bachelor’s degree and 3+ years of RHEL/Windows administration experience.
• IAT II certifications (one of: CySA+, Security+, CCNA-Security, GICSP, GSEC, SSCP).
• Scripting experience: PowerShell, Bash.
• Experience with IAVM process (STIGs and patches).

Responsibilities

• Administer and support Windows 11 and RHEL systems in a secure enterprise environment.
• Monitor system performance, troubleshoot issues, and maintain system availability.
• Develop and maintain PowerShell and Bash scripts to automate tasks.
• Harden Windows and Linux systems in compliance with DISA STIGs, IAVMs, CTOs, and security policies.
• Perform vulnerability remediation, patch management, and compliance validation.
• Support endpoint security through security tools and best practices.
• Collaborate with engineering, cybersecurity, and operations teams for secure configurations.

Skills

Windows administration

RHEL administration

Scripting (PowerShell)

Scripting (Bash)

Security compliance

Vulnerability remediation

Automation

Education

Bachelor’s degree

Tools

PowerShell

Bash

Job description

Zachary Piper Solutions is seeking a System Administrator to support a U.S. Navy program in San Diego, CA. The team is seeking an administrator to maintain RHEL and Windows servers for a research, Development, Test, and Evaluation network. Details below:

Clearance: Secret clearance

Location: San Diego, CA (100% onsite)

This job opens for applications on 8/31/2026 Applications for this job will be accepted for at least 30 days from the posting date

Responsibilities of the System Administrator:

• Administer and support Windows 11 and RHEL systems in a secure enterprise environment.
• Monitor system performance, troubleshoot issues, and maintain system availability.
• Develop and maintain PowerShell and Bash scripts to automate system administration tasks.
• Review and provide technical recommendations for infrastructure design and engineering initiatives.
• Harden Windows and Linux systems in compliance with DISA STIGs, IAVMs, CTOs, and security policies.
• Perform vulnerability remediation, patch management, and compliance validation.
• Support endpoint security through the implementation of security tools and best practices.
• Collaborate with engineering, cybersecurity, and operations teams to ensure secure and compliant configurations.
• Maintain hardware and software inventories and asset tracking records.
• Develop and maintain SOPs, technical documentation, and operational procedures.
• Manage equipment inventory, preparation, and shipment to remote personnel.
• Support system upgrades, technology refreshes, and infrastructure modernization efforts.
• Provide technical support and guidance while ensuring adherence to security and operational standards.

Qualifications of the System Administrator:

• Active Secret Clearance
• Bachelor’s degree and 3+ years of RHEL/Windows administration experience
• IAT II certifications (one of the following): CySA+, Security+, CCNA-Security, GICSP, GSEC, SSCP
• Scripting experience: Powershell, Bash
• Experience with IAVM process (STIGs and patches)

Compensation of the System Administrator:

• Total compensation based on experience level - $100,000-$115,000 **based on experience level**
• Full Benefits: PTO, Paid Holidays, Medical, Dental, and Vision, 401k

Keywords: Windows 11 Administration, Red Hat Enterprise Linux (RHEL), Linux Administration, System Administration, Enterprise Infrastructure Support, Server Management, Operating System Maintenance, System Monitoring, security clearance, opentowork, hiring, W2, DoD, Federal, Linux, Performance Monitoring, Incident Response, Troubleshooting, Root Cause Analysis, High Availability, Infrastructure Operations, PowerShell Scripting, Bash Scripting, Automation, Process Automation, Task Automation, Infrastructure Engineering, Technical Reviews, System Design, Infrastructure Design, Systems Engineering, Architecture Support, DISA STIG Compliance, STIG Implementation, IAVM Compliance, CTO Compliance, Security Hardening, Server Hardening, Cybersecurity, Vulnerability Management, Vulnerability Remediation, Patch Management, Security Compliance, Compliance Validation, Risk Mitigation, Ansible, Ansible Playbooks, Configuration Management, System Provisioning, Infrastructure Automation, Automated Patching, Endpoint Security, Security Tools Administration, Security Best Practices, Configuration Baselines, Secure System Configurations, Cross-Functional Collaboration, Engineering Support, Cybersecurity Operations, IT Operations, Asset Management, Asset Tracking, Hardware Inventory Management, Software Inventory Management, IT Asset Lifecycle Management, SOP Development, Technical Documentation, Process Documentation, Operational Procedures, Vendor Management, Vendor Coordination, Procurement Support, IT Procurement, Equipment Lifecycle Management, Logistics Coordination, Remote Asset Deployment, Equipment Shipping, Technology Refresh, System Upgrades, Infrastructure Modernization, Technical Support, User Support, Security Standards, Operational Excellence, Enterprise IT, Change Management, Configuration Control, Windows Security, Linux Security, Enterprise Systems Administration