Defense IT Systems Administrator: Security & Compliance

SimVentions, Inc; Patuxent Highland (MD); On-site; USD 70,000 - 110,000; Full time

Job summary

SimVentions, Inc. seeks a System Administrator to support Defense & Aerospace IT systems. You will manage Windows/Linux servers, networks, user accounts, and cloud services in secure DoD environments.

Responsibilities include monitoring system performance, applying patches, hardening and troubleshooting infrastructure, implementing cybersecurity controls, and supporting accreditation requirements. Collaborate with engineers and cybersecurity specialists to ensure availability, reliability, and

Qualifications

• Experience managing Windows and Linux servers in secure IT environments.
• Familiarity with patching, hardening, and incident response processes.
• Ability to document systems and maintain operational runbooks.

Responsibilities

• Monitor system performance and apply patches to Windows and Linux servers.
• Hardening and troubleshooting infrastructure to meet DoD accreditation requirements.
• Collaborate with engineers and cybersecurity specialists to ensure availability and compliance.

Skills

Scripting

Documentation

Collaboration

Tools

Windows Server

Linux

Cloud services

Active Directory

Networking

PowerShell/Bash scripting

Job description

SimVentions, Inc. seeks a System Administrator to support Defense & Aerospace IT systems. You will manage Windows/Linux servers, networks, user accounts, and cloud services in secure DoD environments.

Responsibilities include monitoring system performance, applying patches, hardening and troubleshooting infrastructure, implementing cybersecurity controls, and supporting accreditation requirements. Collaborate with engineers and cybersecurity specialists to ensure availability, reliability, and