Demo

Network Solutions Engineer

Advanced Systems Development, Inc.
Columbia, DC Full Time
POSTED ON 3/31/2025
AVAILABLE BEFORE 7/28/2025

JOB SUMMARY: Serving as primary technical contributor supporting the enterprise network infrastructure operations in a hybrid multi-cloud compute environment. The general focus of the position is to support the secure and reliable operation of a Federal Government agency networks both on-premises and in the cloud.


ESSENTIAL DUTIES AND RESPONSIBILITIES:

  • Manage the wired and wireless network infrastructure, including routers, switches, firewalls, and all supporting network services such as Remote Access and DNS/DHCP. This will include software and/or hardware upgrades during after-hours maintenance windows to maintain functionality, security, and performance of the network.
  • Provide oversight and management of network operations infrastructure within the hybrid on-premises and cloud environment, including but not limited to, routing/switching, Wi-Fi, DNS/DHCP, firewalls, load balancing, VPN/remote access, and secured communications.
  • Routinely monitor the health, performance, and cybersecurity posture of the agency networks to ensure efficient, effective, reliable, and secure operation.
  • Respond to IT service desk tickets escalated from the agency Help Desk related to incidents and changes.
  • Work closely with the team and stakeholders to identify requirements, solve existing problems, and incorporate effective technologies in both ongoing and planned network infrastructure projects.
  • Work with system owners and project managers to develop and implement complex solutions. Share concepts and techniques as well as foster and encourage sharing of knowledge.
  • Support all stages of the system development life cycle (analyze, design, develop, test, deploy, and sustain) for agency IT projects.
  • Racking/Stacking of hardware


QUALIFICATIONS:

Must have 7 years of working knowledge and hands-on experience with the following:

  • Strong Switching experience, including VLANs, access/trunk ports, spanning tree, and LACP.
  • Strong IP Routing experience, including OSPF/BGP, route tables, and VRF instances.
  • Hands-on management of Enterprise firewalls, including security/NAT policies and IPsec VPN.
  • Working knowledge and experience with Cisco, Juniper, and/or Fortinet opera systems.
  • Experience with cybersecurity compliance for network devices and appliances, including patching, upgrades, certificate updates, and hardening/baselining.
  • Hands-on troubleshooting experience with physical cabling, including multimode/single mode fiber cabling, copper cabling (RJ45, CAT6/6A), and Power over Ethernet (PoE).
  • Working knowledge of general network troubleshooting, including using cable test tools, Wireshark packet captures, pings, traceroutes, etc. to diagnose the root cause.
  • Experience working independently and in group settings, within an enterprise environment, to ensure all changes are well communicated and documented.

Must have 3 years of experience with:

  • WiFi – controller-based enterprise system, WLANs, WPA2-PSK, and 802.1x.
  • Managing DNS records (A, CNAME, PTR), DHCP ranges, and IP address management.
  • Managing and updating SSL certificates on network devices.
  • Configuring SNMP Monitoring.
  • Operating UPS and PDU power management.

Preferred experience with the following:

  • Citrix Remote Access – NetScaler, Citrix Virtual Apps and Desktops
  • Authentication - TACACS , RADIUS, RSA, AD Groups, ADFS, SAML
  • Zscaler Zero Trust Network Access
  • Linux and Windows host firewalls
  • Cloud Networking – AWS and/or Azure

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