Senior IT Systems Administrator & Security Compliance Lead

Standard Calibrations, Inc.; Chesapeake (VA); On-site; USD 110,000 - 140,000; Full time

Job summary

Standard Calibrations, Inc. is seeking a Senior IT Systems Administrator to join a hands-on IT team in Chesapeake, VA.

You will co-lead technical initiatives, own patching and vulnerability management, and drive security and compliance programs across on-premises and cloud environments. You will administer Active Directory and Entra identities, monitor systems, support M365/Azure migrations, and contribute to a Zero Trust security posture while enabling business continuity and modernization

Qualifications

• Bachelor’s degree in IT/Networking/Security or related field with 5–8 years of IT systems administration experience.
• Experience leading patching/remediation workflows independently.
• Experience with AD/Entra, SSO/IdP, Windows and Linux servers, and endpoint security.
• Familiarity with M365, Azure, and hybrid cloud transitions.
• Strong written and verbal communication; technical documentation proficiency.

Responsibilities

• Own patching and vulnerability management lifecycle across Windows, Linux, and Mac; run scans, remediate via cloud and local tools, report to IT Director.
• Lead Security & Compliance efforts (CMMC/NIST 800-171); support policy updates, audits, and documentation.
• Administer and harden Active Directory and cloud Entra identity management per CIS benchmarks.
• Configure and maintain monitoring and alerting across Windows, Linux, VMware, and Azure systems.
• Administer TrueNAS-based file storage; support backup, data protection, and DR planning.
• Contribute to least-privilege access model and Zero Trust implementation.
• Support data handling procedures and integrate Box/SharePoint/Google Drive reporting.
• Assist with firewall administration (Cisco Firepower, Azure Firewall) and network security.

Skills

Patching & remediation leadership

Security fundamentals

Network & system monitoring

Azure & M365 administration

Technical documentation

Education

Bachelor’s degree in IT/Networking/Security

Tools

OpenVAS

Tenable Nessus

Nagios

CheckMK

Cisco Firepower

Job description

Standard Calibrations, Inc. is seeking a Senior IT Systems Administrator to join a hands-on IT team in Chesapeake, VA.

You will co-lead technical initiatives, own patching and vulnerability management, and drive security and compliance programs across on-premises and cloud environments. You will administer Active Directory and Entra identities, monitor systems, support M365/Azure migrations, and contribute to a Zero Trust security posture while enabling business continuity and modernization