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Senior Network Engineer

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: TekSynap
Full Time position
Listed on 2026-03-01
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity
  • Engineering
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Responsibilities & Qualifications

RESPONSIBILITIES

  • Lead the design and planning of complex network communication systems, producing detailed schematics and architectural documentation to support enterprise-wide modernization initiatives.
  • Develop future‑state network strategies that account for capacity planning, mission growth, emerging technologies, and DIA operational requirements.
  • Conduct in‑depth cost/benefit analyses for hardware and software solutions, evaluating performance, lifecycle requirements, and long‑term operational impacts.
  • Evaluate and report on new communication technologies to enhance network capability, resilience, and efficiency.
  • Lead the testing of network designs including performance validation, interoperability testing, and engineering risk assessments.
  • Serve as a senior technical authority for approving significant network changes and modernization efforts.
  • Monitor and validate network hardware configurations to ensure alignment with operational baselines and mission requirements.
  • Optimize network performance, availability, redundancy, and security across LAN, WAN, MAN, and secure network enclaves.
  • Plan and oversee network enhancements, upgrades, and lifecycle replacements with minimal mission disruption.
  • Advise network users, mission stakeholders, and government leadership on hardware requirements, configuration constraints, and system capabilities.
  • Produce engineering guidance, assessments, and system documentation in support of operational and programmatic decision making.
  • Maintain broad technical expertise across network systems, including routers, firewalls, multiplexers, bridges, gateways, and associated network hardware and interconnections.
  • Support secure integration efforts across multiple vendors, platforms, and classified technology stacks.
  • May be assigned responsibility for managing systems administration functions and associated technical staff.
  • Mentor junior engineers and contribute to team development, skill enhancement, and knowledge growth.

REQUIRED QUALIFICATIONS

  • Active TS/SCI + CI Poly clearance
  • BS, 12-15 years of relevant experience; MS, 10-13 years;
    PhD, 10+ years
  • One or more of the following DoD 8570/SP-ARC-002 certifications:
    • Security+
    • CySA+
    • SSCP
    • GSEC
    • CND
  • One or more of the following network certifications:
  • Cisco CCNP Enterprise or Security
  • Juniper JNCIP
  • Aruba Certified Professional
  • Palo Alto PCNSE
  • Fortinet NSE 4+
  • Demonstrated mastery in network engineering within secure or classified government environments.

DESIRED QUALIFICATIONS

  • Cisco CCIE (Enterprise or Security)
  • AWS Advanced Networking – Specialty
  • Azure Network Engineer Expert
  • Certified Cloud Security Professional (CCSP)
  • CISSP
Overview

We are seeking aSenior

Network Engineer to join our Task Order proposal on the Defense Intelligence Agency’s Solutions for the Information Technology Enterprise III (SITE III).The Senior Network  Engineer designs and plans network communications systems. Provides specifications and detailed schematics for network architecture.

This senior level role requires an experienced engineer capable of designing, implementing, optimizing, and modernizing enterprise network architectures for amissioncriticalintelligence environment.

Additional Job Information

WORK ENVIRONMENT AND PHYSICAL DEMANDS

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

  • Location:

    Reston, VA
  • Type of environment:
    Varies
  • Noise level:
    Low
  • Work schedule:

    “Normal work hours” constitute on average 8 hours a day,40 hoursper week (excluding breaks and meal periods) within standard operational hours occurring , Monday-Friday, excluding Federal holidays. May be requested to work evenings and weekends to meet program and contract needs.
  • Amount of Travel: 20%

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While…

Position Requirements
10+ Years work experience
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