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Network Engineer

Job in McLean, Fairfax County, Virginia, USA
Listing for: Bespoketechinc
Full Time position
Listed on 2026-03-03
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 90000 - 120000 USD Yearly USD 90000.00 120000.00 YEAR
Job Description & How to Apply Below

BT-229 – Network Engineer (Senior)

Location:

McLean, VA (fully on-site, no remote option)

MUST HAVE A POLY CLEARANCE TO APPLY. Those without a Poly clearance will not be considered.

Responsibilities:

  • Assist the System Administrators as assigned by the Lead System Administrator.
  • Assist the Lead Network Engineer in developing and implementing IT/network plans.
  • Manage network operations using simple network management protocol (SNMP) network management tools.
  • Diagnose and troubleshoot network problems with network protocol capture/decode analyzers.
  • Plan and build network from open system interconnect (OSI) Layer 1 through Layer 3.
  • Manage TCP/IP internetworking connectivity to include addressing and subnetting.
  • Monitor network as defined in the network monitoring plan.
  • Install, configure, update, and document the physical cable plant.
  • Install, configure, and manage networking hardware (switches, bridges, hubs, concentrators, transceivers).
  • Install, configure, and manage network security (firewalls, IP blocking).
  • Configure and manage virtual private networks (VPNs).

Required Skills:

  • Bachelor's degree in computer science, information systems, engineering, mathematics or four (4) years equivalent experience as network engineer or network technician.
  • Six (6) years' experience with Cisco Catalyst switches and other Cisco network hardware.
  • Seven (7) year intelligence community experience as a network engineer or network administrator.

Desired

Skills:

  • 3-5 years of HAND-ON network engineering experience in customer environment.
  • Hands‑on Cisco firewall experience (ASA/Firepower 5510, 5515X, FP4100’s, etc.).
  • Hands‑on Cisco Catalyst switch experience (Nexus switch experience would be a HUGE plus).
  • CCNP-level knowledge of Cisco networking (No requirement for certification, but understanding at this level is required).
  • Familiarity with cabling types/standards (i.e., Single Mode vs. Multi Mode, LC connector vs. SC connector, Cat5/6/7, etc.).
  • Good understanding of network link virtualization technologies (i.e., Ether‑channel/Port‑channel, Nexus virtual port‑channels (vpcs)).
  • Willingness to perform layer 1 tasks as needed (pulling cable, racking/stacking, etc.).
  • Strong troubleshooting skills.
  • Strong project management experience (i.e., ability to manage projects through their full lifecycle in order to meet deadlines).
  • Ability to use MS Visio to produce network diagrams.
  • Must be able to survive and thrive in a non‑enterprise, fast paced environment.
  • Ability to create and present presentations and other ad‑hoc technical briefings as necessary.
  • Understanding of how mission enclaves communicate with Enterprise networks.
  • Familiarity with Cisco Firewall Management Center to manage Firepower firewall.
  • Experience with Cisco Nexus Ethernet switching platforms (Nexus 5500, 5600, 7700, and 9500).
  • Experience with Cisco MDS Fibre Channel switching platforms (MDS 9000).
  • Familiarity with Storage Area Networking (SAN) and Fibre Channel protocols and standards.
  • Familiarity with Linux operating system.
  • Familiarity with Solar Winds network management/monitoring tool.
  • Familiarity with virtual appliances (switches, firewalls, etc.).
  • Familiarity with JIRA.
  • Experience working in a ‘mission‑like’ environment (outside of Enterprise comms).
  • AWS/Cloud familiarity.
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