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Network AdministratorInformation Management Resources, Inc. • Reston, Virginia, United States
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Network Administrator

Information Management Resources, Inc.
  • US
    Reston, Virginia, United States
  • US
    Reston, Virginia, United States
Postuler Maintenant

À propos

POSITION TITLE: Network Administrator POSITION SUMMARY:IMRI is seeking an experienced Network Administrator to support and maintain secure, high-performing enterprise network environments. In this role, you will design, implement, and manage LAN/WAN systems, monitor performance, and troubleshoot issues to ensure minimal downtime. You will play a key role in maintaining network security, including firewalls, routing/switching, access controls, and network segmentation, while supporting DNS/DHCP services, IP management, and configuration standards. The ideal candidate brings strong experience with enterprise networking technologies, cloud environments (Azure preferred), and network monitoring tools. This position requires a proactive, detail-oriented professional who can collaborate across IT teams, support end users, and help ensure reliable infrastructure for mission-critical operations. DUTIES AND RESPONSIBILITIES:
Design, implement, and manage network systems to ensure optimal performance and security. Monitor, manage and optimize LAN/WAN performance and troubleshoot issues to minimize downtime. Maintain firewalls, routing/switching, ACLs, segmentation, QoS, and network access control (NAC). Ensure DNS/DHCP integrity, IPAM updates, and certificate lifecycle coordination. Ensure network security by implementing and maintaining security protocols and measures. Patch network devices, maintain standardized configs, backup/restore device configurations. Provide technical support and guidance to end-users and other IT staff. Collaborate with other IT professionals to develop and implement IT policies and procedures. Administer and manage Cisco TACACS Service and Network Access Control and endpoint posture assessment and remediation. MINIMUM QUALIFICATIONS AND EXPERIENCE REQUIRED:
5+ years in enterprise networking (Cisco/Palo Alto/Juniper preferred). Relevant certifications (e.g., CCNA, Palo Alto Networks CNSA, CompTIA Network+) are a plus. Expertise in routing/switching (BGP/OSPF), firewalls, VPN, wireless, NAC, DNS/DHCP/IPAM. Experience with network monitoring/observability tools and config management. Certifications (preferred): CCNA/CCNP, Network+, PCNSE (if Palo Alto), Azure Fundamentals. Strong documentation, incident response, and change management discipline. Network Infrastructure Management: The role demands a deep understanding and experience in managing both Local Area Network (LAN) and Wide Area Network (WAN) services. This includes ensuring continuous availability and optimal performance across multiple FirstNet offices. Cloud Services Management: Expertise in overseeing Microsoft Azure Cloud Services is essential. This involves managing resources like the FirstNet.gov website and maintaining the security and performance of FirstNet's online presence. Network Monitoring Tools: Proficiency in utilizing various network tools to monitor the health, performance, and security posture of FirstNet's internal IT network and systems is crucial. This proactive monitoring helps prevent service disruptions and ensures efficient network operations. Technical Competency: Experience with a wide range of infrastructure devices and tools. This includes managing network services, overseeing cloud services, and utilizing network monitoring tools. Support for Public Safety Operations: Mission critical ability to ensure effective management of network infrastructure in support of FirstNet's public safety operations and prevent delays or failures in network services.
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  • Reston, Virginia, United States

Compétences linguistiques

  • English
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