Senior IT Systems Administrator

Job overview

The Senior IT Systems Administrator role is onsite in Chesapeake, VA, with annual compensation of $85,000–$105,000. The position is a senior technical contributor and operational leader on Standard Calibrations Inc.’s small IT team. The administrator owns critical systems and supports security, compliance, infrastructure modernization, and cloud migration, helping maintain stable and secure operations across the company.

What you'll do

• Manage patching and vulnerability remediation across Windows, Linux, and Mac environments
• support CMMC Level 2 compliance documentation and audit readiness
• administer Active Directory and Entra identity management
• maintain monitoring and alerting across Windows, Linux, VMware, and Azure
• administer TrueNAS storage and Linux servers
• support backups and disaster recovery
• implement least-privilege access
• administer file-sharing platforms, endpoint security, Microsoft 365, Azure, networks, firewalls, telephony, and collaboration tools
• support security awareness training.

What we're looking for

Skills & competencies

senior it systems administrator

systems administration

cybersecurity

cmmc

nist 800-171

microsoft 365

azure

linux

active directory

chesapeake va

standard calibrations inc

$85k–$105k

Work arrangement

• Weekend coverage required

Why this role

The role works alongside the IT Director as a co-primary technical resource and supports CMMC and NIST 800-171 compliance efforts.

About the employer

Standard Calibrations Inc is hiring for this role. Industry: Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals. Sector: 33.