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# System Administrator Mid/Senior (Cybersecurity)

- **Company:** Render Security Engineering LLC
- **Location:** Saint Inigoes, MD, United States
- **Experience:** Experienced
- **Salary:** $77,000 - $102,000
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Backup Devices, CompTIA Security+, Cyber Security, Information Systems, Computer Engineering, System Configuration, Linux, Disaster Recovery, Networking Hardware, Internet Security, Interoperability, Network Architecture, Network Connections, Security Software, Software Vulnerability Management, Computer Networking Systems, Information Technology, Tenable Nessus, Patch Management, Windows Registry, Plan of Action and Milestones, Vulnerability Analysis
- **Published:** November 11, 2026
- **Apply:** https://www.careerbuilder.com/job-details/system-administrator-mid-senior-cybersecurity-saint-inigoes-md--304aab8a-8c0b-47f3-b280-ba4a8567c8a8

## About the Role

Systems Administration/Management, Internet Security, Interoperability, Information Technology & Information Systems, Internet Security, Systems Administration/Management, Vulnerability Scanners, Unmanned Aircraft Systems (UAS), Analysis Skills, System Operations, * Working knowledge of Windows operating systems, including patching, Windows Registry, and Group Policy.

 * Familiarity with vulnerability scanning tools, preferably ACAS or Tenable Nessus.
 * Active Secret security clearance.
 * Active CompTIA Security+ certification or approved equivalent DoD 8140 certification, * BA or BS degree in a technical discipline, including Engineering, Computer Engineering, Computer Science, Information Technology, or a related field.
 * Hands-on experience conducting ACAS vulnerability scans and analyzing scan results.
 * Working knowledge of Linux operating systems
 * Familiarity with Security Technical Implementation Guides (STIGs) and security hardening practices.
 * Experience with system imaging, patch management, and backup and recovery procedures.
 * Familiarity with network infrastructure, protocols, and security devices.
 * Experience supporting DoD systems, Cybersecurity compliance, or Risk Management Framework (RMF) activities.

## Description

We open closed systems. It's not just a slogan - it's our focus. We specialize in unraveling the complexities of IT systems to broaden understanding, enhance security, and ensure interoperability. We connect top talent with critical work, crafting robust partnerships and creating effective, real-world solutions. We are committed to moving quickly, embracing risks, and continuously challenging the status quo to achieve exceptional outcomes for our customers., * Analyze and define Cybersecurity requirements for UAS systems operating within classified and unclassified environments.

 * Conduct and manage ACAS vulnerability scans across Windows, Linux, and networked systems.
 * Analyze and validate scan results, identify security vulnerabilities and misconfigurations, and recommend appropriate mitigation strategies.
 * Coordinate vulnerability remediation activities with Cybersecurity and system administration personnel, including performing follow-up scans to verify corrective actions.
 * Troubleshoot ACAS scanning issues, including credential failures, network connectivity problems, and incomplete scan results.
 * Assess system configurations, implement security hardening, and ensure compliance with DoD Security Technical Implementation Guides (STIGs).
 * Support technical risk assessments, security control validation, and Risk Management Framework (RMF) activities.
 * Install security patches, establish secure system baselines, and deploy system images to fielded components.
 * Maintain accurate hardware and software inventories and troubleshoot system-related issues.
 * Develop and maintain cybersecurity documentation, including vulnerability assessment reports, security requirements, and Plan of Action and Milestones (POA&M) documentation.

This position provides hands-on experience with Windows and Linux operating systems, network equipment, and DoD cybersecurity tools, offering opportunities to expand technical expertise in cybersecurity and vulnerability management within a UAS environment.