TS/SCI Network & Security Administrator Lead

System High Corporation; Bedford (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

System High Corporation seeks a security-focused IT professional to organize, install, and support government computer systems across LANs/WANs, intranets, and data communication networks. You will help architect and analyze network models and participate in decisions on hardware/software upgrades to sustain DoD missions.

Role requires SAP/SCI experience, TS/SCI clearance eligibility, and hands-on work with RMF/JSIG, ATO processes, and security monitoring tools.

Qualifications

• Must have active TS/SCI clearance with SCI eligibility.
• Experience with Special Access Programs (SAP) and DoD environments.
• Strong background in network/server administration and security operations.
• Proficiency with Windows Server/AD, RHEL/Linux, and virtualization.
• Experience with RMF/JSIG/ATO processes and security controls.

Responsibilities

• Organize, install, and support government computer systems (LAN/WAN/intranet).
• Assist in designing network models and system architectures.
• Support SAP/SCI/CSP activities and DoD agencies.
• Lead/participate in cybersecurity operations and incident response.
• Develop SOPs, checklists, and security documentation.

Skills

TS/SCI Clearance

Special Access Program

Network administration

Windows Server/Active Directory

RHEL/Linux

VMware/Hyper-V

SIEM

RMF/JSIG/ATO

Education

Bachelor's degree in related field

Tools

ACAS/Nessus/SCAP

WSUS

BitLocker

Job description

System High Corporation seeks a security-focused IT professional to organize, install, and support government computer systems across LANs/WANs, intranets, and data communication networks. You will help architect and analyze network models and participate in decisions on hardware/software upgrades to sustain DoD missions.

Role requires SAP/SCI experience, TS/SCI clearance eligibility, and hands-on work with RMF/JSIG, ATO processes, and security monitoring tools.