Senior Secure Systems Administrator – On‑Site DoD IT

APR Consulting, Inc.; Pittsfield (MA); On-site; USD 63,000 - 90,000; Full time

Job summary

APR Consulting, Inc. is seeking an Advanced Systems Administration Specialist to support secure IT infrastructure in a defense domain.

This on‑site role in Pittsfield, MA requires DoD Secret clearance and strong Linux/Windows server expertise. The role covers administration, patching, backups, and security compliance within classified environments, with a focus on STIGs, NIST controls, and virtualization platforms.

Qualifications

• Bachelor’s degree with 5+ years’ relevant experience or Master’s with 3+ years.
• Equivalent combination of experience and certifications may be considered.
• Advanced knowledge of Red Hat Linux and Windows Server administration.

Responsibilities

• Manage administration, security, and performance of secure physical and virtual infrastructures.
• Troubleshoot complex issues, perform vulnerability assessments, and apply system remediation.
• Support design, deployment, testing, and operation of enterprise systems in classified environments.

Skills

Red Hat Linux

Windows Server

VMware vSphere

Hyper‑V

Keen security focus

STIGs/CIS Benchmarks

NIST SP 800-171

CMMC

PowerShell

Python

Bash

DoD 8570 IAT‑II

Security+

Education

Bachelor’s degree +5 years

Master’s degree +3 years

Tools

JIRA

Confluence

GitLab

Docker

Ansible

Python

PowerShell

Bash

Nessus

Splunk

ACAS

ESS

Job description

APR Consulting, Inc. is seeking an Advanced Systems Administration Specialist to support secure IT infrastructure in a defense domain.

This on‑site role in Pittsfield, MA requires DoD Secret clearance and strong Linux/Windows server expertise. The role covers administration, patching, backups, and security compliance within classified environments, with a focus on STIGs, NIST controls, and virtualization platforms.