Senior Network & Systems Administrator

sandymacevolution; Bedford (MA); On-site; USD 90,000 - 135,000; Full time

Job summary

sandymacevolution is seeking a Network/System Administrator III to organize, install, and support government computer systems, including LANs/WANs and data networks. The role will help architect network models and influence future hardware/software purchases for DoD SAP/SCI activities.

You will resolve user issues and support complex security environments. Responsibilities include leading IT operations, managing security tooling, and integrating new techniques to enhance confidentiality,

Qualifications

• Bachelor’s degree in a related area or equivalent experience.
• 5–7 years of related IT/networking experience with DoD context preferred.
• Experience with RMF/JSIG security processes and server/network hardening.
• Proficiency with Windows/Linux server administration and virtualization.

Responsibilities

• Lead day-to-day IT operations for networks and systems in a DoD environment.
• Support RMF/ISSE processes; assist security assessments and continuous monitoring.
• Manage COTS/GOTS products to collect, display, and remediate security metrics.
• Develop SOPs, checklists, and incident response procedures.
• Operate SIEM, perform threat analysis and generate summary reports.
• Assist with DoD policy compliance and security posture improvements.

Skills

Windows Server

Active Directory

Red Hat Enterprise Linux

VMware/Hyper-V

Networking & Firewalls

SIEM & security tooling

Scripting

Group Policy

RMF/ISSE/DoD policy

DoD/JSIG/RMF compliance

Education

Bachelor’s degree in a related area

Four years of equivalent experience may be considered in lieu of degree

Tools

MS Hyper‑V

VMware ESXi

Xen Hypervisors

Microsoft SQL Server

IIS/Tomcat

WSUS/YUM patching

Active Directory tooling

CISCO networking

Job description

sandymacevolution is seeking a Network/System Administrator III to organize, install, and support government computer systems, including LANs/WANs and data networks. The role will help architect network models and influence future hardware/software purchases for DoD SAP/SCI activities.

You will resolve user issues and support complex security environments. Responsibilities include leading IT operations, managing security tooling, and integrating new techniques to enhance confidentiality,