Site Systems Admin (Tier 1–2) – DoD Secured Environments

G2IT; Newport (RI); On-site; USD 55,000 - 65,000; Full time

Job summary

G2IT is seeking a Site Systems Administrator to provide Tier 1–2 support and administer Windows Server 2019 in SIPR and NIPR environments at a secured Newport, RI installation. You will manage Active Directory, Group Policy, patching, backups, and asset management while collaborating with end users, IT staff, and mission stakeholders to ensure uptime and compliance.

Security clearance is required (Active or Interim Secret) and remote work is not authorized; travel and surge support may be needed

Qualifications

• Active or Interim Secret clearance required.
• HS diploma or equivalent; Associate or Bachelor’s degree preferred.
• CompTIA Security+ CE or equivalent DoD 8570 IAT II certification.
• Minimum of 3 years IT experience in system or network administration.
• Experience supporting Windows 11 desktops and Windows Server 2019.
• Hands-on experience with Active Directory and Group Policy management.
• Familiarity with SIPR/NIPR networks or other classified environments.

Responsibilities

• Provide on-site Tier 1–2 support for end users, including desktops, zero clients, and thin clients.
• Administer and maintain Active Directory (user accounts, groups, policies, and permissions).
• Perform routine system maintenance: patching, updates, break/fix, backup/recovery, and asset management.
• Manage and monitor Windows Server 2019 systems in support of enterprise operations.
• Support SIPR and NIPR environments, ensuring compliance with DoD cybersecurity and IA requirements.
• Document issues, solutions, and recurring problems to improve knowledge sharing and process efficiency.
• Monitor performance metrics and elevate Tier 3 issues as necessary.
• Collaborate with security teams to ensure systems comply with STIGs, DISA checklists, and other DoD security controls.
• Support end users with connectivity, login issues, account access, and system troubleshooting.
• Participate in audits, inspections, and security readiness events.

Skills

Active Directory

Group Policy management

DoD security/IA compliance

Troubleshooting

Customer service

SIPR/NIPR familiarity

Troubleshoot login issues

Education

HS diploma

Associate or Bachelor’s degree

Tools

VMware Horizon

Citrix

Job description

G2IT is seeking a Site Systems Administrator to provide Tier 1–2 support and administer Windows Server 2019 in SIPR and NIPR environments at a secured Newport, RI installation. You will manage Active Directory, Group Policy, patching, backups, and asset management while collaborating with end users, IT staff, and mission stakeholders to ensure uptime and compliance.

Security clearance is required (Active or Interim Secret) and remote work is not authorized; travel and surge support may be needed