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Senior Network & Computer Systems Administrator

Emerald Technical Solutions

Arlington, Virginia

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JOB DETAILS
SKILLS
Audiovisual, Automation, CCNA - Cisco Certified Network Associate, CCNP - Cisco Certified Network Professional, Cisco Certifications, CompTIA Security+, Computer Networks, Computer Science, Computer Servers, Customer Support/Service, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Defense Information Systems Agency (DISA), Desktop PC, DoD Directive 8140, DoD Directive 8570, Enterprise Endpoint, Firewalls, Hardware Virtualization, IAT - Information Assurance Technical, IP (Internet Protocol), IPv6, ITIL (IT Infrastructure Library), Identify Issues, Identity Data Management, Information Technology & Information Systems, Intrusion Detection Systems, MCSE - Microsoft Certified Systems Engineer, Microsoft Certifications, Microsoft Hyper-V, Microsoft Windows Azure, Network Administration/Management, Network Architecture/Engineering, Network Operations Center, Network Routers, Network Routing, Network Switching, Network Systems, Operating Systems, SIP (Session Initiation Protocol), Secret Clearance, Security Clearance, Software Patches, Standard Operating Procedures (SOP), Surveillance, Systems Administration/Management, Telecommunications, Top Secret Clearance, United States Department of Defense (DoD), VMWare, VPN (Virtual Private Network), Virtual Machine (VM), VoIP (Voice over IP), Wide Area Network (WAN)
LOCATION
Arlington, Virginia
POSTED
7 days ago
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

About the Company

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Emerald Technical Solutions