Senior Network & Computer Systems Administrator Position Title: Senior Network & Computer Systems Administrator
Position Type: Full Time Employee
Location: Arlington, VA (within 50 miles of ARNG Readiness Center, TARC)
Clearance Requirement: Secret (Top Secret Preferred)
Salary Range: $156,000 - $174,000
Start Date: Contingent upon contract award
Position Overview Emerald Technical Solutions is seeking a Senior Network and Computer Systems Administrator to support the ARNG ENOCS Task Order within the Network Operations Center (NOC). This role provides senior-level network and systems administration support for the ARNG's DoDIN-A(NG), a globally distributed network spanning approximately 2,800 locations supporting over 120,000 users and 141,000 endpoints.
The ideal candidate brings extensive experience in enterprise network operations, NIPRNet/SIPRNet environments, and DoD systems administration. This is a 24/7/365 operational role that requires deep technical expertise and the ability to manage complex, mission-critical network infrastructure across CONUS and OCONUS locations.
Key Responsibilities Network Operations Center (NOC) Support - Provide continuous 24/7/365 monitoring of WAN links, network systems, and enterprise services across the ARNG portion of DoDIN-A(NG)
- Operate and maintain enterprise network infrastructure including DNS, web filtering/proxy, VPN, firewalls, and access controls
- Manage NIPRNet/SIPRNet IP backbone and provide enterprise-level voice, video, and data connectivity
- Troubleshoot and triage network incidents; facilitate escalation to Tier III support, DISA, or external partners as required
- Support and manage DoD enterprise initiatives including AGUN, AUDS, IPv6, GSN/CSfC, and Zero Trust initiatives
Systems Administration - Administer, configure, patch, and maintain enterprise servers and systems on both NIPRNet and SIPRNet
- Receive, import, repackage, test, and deploy endpoint packages and Desktop OS images from NETCOM
- Manage, monitor, and maintain the Endpoint Enterprise Environment including lifecycle planning
- Perform DISA STIG compliance, IAVM implementation, and manufacturer hardening guidelines across managed devices
- Optimize device configurations across 50 states, territories, D.C., and NGB (TARC) to meet mission requirements
Enterprise Infrastructure Management - Provide comprehensive telecommunications support including VoIP, audio/video equipment, and SIP troubleshooting
- Support management of DHCP, RBAC, ACS/IDS, EAS, JB-CE routers, and client RA VPN infrastructure
- Maintain virtual machine infrastructure and oversee enterprise device management solutions
- Provide DNS services and Tier I, II, III troubleshooting support to states, territories, and TARC
- Monitor domain controllers and provide identity and access management support to the enterprise
Documentation & Compliance - Develop, document, and sustain device management methods, SOPs, and automation workflows
- Document CM environment changes and updates within Army eMASS RMF system
- Provide circuit surveillance reports for all ARNG G6 managed circuits
- Support SIPRNet accreditation packages for states, territories, and TARC through CORA process
- Comply with DoDM 8140.03 DCWF work code requirements for Network Operations Specialist and System Administrator roles
Required Qualifications - Active Secret security clearance (TS preferred)
- Bachelor's degree in Information Technology, Computer Science, Network Engineering, or related field (or equivalent experience)
- 6-10 years of experience in network and systems administration in DoD or federal environments
- Security+ (DoD 8570/8140 IAT Level II minimum)
- Strong experience with enterprise network technologies: routing, switching, DNS, DHCP, VPN, and firewalls
- Experience with NIPRNet/SIPRNet operations and DoD network environments
- Working knowledge of DISA STIGs, IAVM compliance, and eMASS
- Experience with virtualization platforms (VMware, Hyper-V)
Preferred Qualifications - Experience supporting ARNG, NETCOM, or Army RCC environments
- Cisco certifications (CCNA, CCNP, or equivalent)
- Microsoft certifications (MCSE, Azure Administrator AZ-104, or equivalent)
- Experience with Army endpoint management tools (AESS, ACAS)
- Familiarity with ITIL service management framework
- Experience with DoD Zero Trust architecture initiatives
- Active Top Secret clearance
Benefits - Competitive compensation package and comprehensive benefits
- Certification support and professional development opportunities
- Critical infrastructure role supporting the Army National Guard nationwide
- Growth opportunities on a large-scale DoD enterprise operations program
