Senior Network Engineer, Insider Threat Program

Leidos

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Lorton, VA
Salary
$139,100–$251,450 / yr
Posted
31 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $168k
This role $195k
$114k most similar roles pay here $266k

This role pays more than 71% of similar roles. Most pay $139,200–$197,500 — the shaded band above. At the midpoint, this role pays about $195k versus about $168k for comparable roles.

Based on 240 similar postings.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 264 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 245 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Senior Network Engineer, Insider Threat Program

The Insider Threat Program Senior Network Engineer joins the Digital Modernization Sector to support the Department of Homeland Security Insider Threat Program. This role involves supporting, sustaining, and evolving the network enterprise by performing routine maintenance, providing guidance on upgrades, and managing capacity for the infrastructure. The engineer will oversee the High Speed Guard Cross Domain solution for multi-domain data transfers and serve as a subject matter expert on all network components while maintaining configuration baselines. Key technical requirements include expertise in Cisco and Juniper LAN/WAN switches, Cisco Firepower and ASA firewalls, and platforms like VMware, Linux, and Microsoft Server. The candidate will utilize tools such as Solarwinds, NetQoS, and NetBrain to manage security incident lifecycles and ensure compliance with NIST, FISMA, and STIG requirements while building optimized firewall rules for threat prevention.

What does a Network Engineer earn?

Median $147000 from 81 postings across 20 companies.

See salary data

What you'll do

  • Maintain and support the Insider Threat Program network infrastructure and perform routine maintenance activities.
  • Oversee the High Speed Guard Cross Domain solution to manage data transfers between multiple classification domains.
  • Design and execute system recapitalization plans to accommodate capacity growth and technical changes.
  • Serve as the subject matter expert for all ITP network infrastructure components.
  • Create and maintain documentation to capture the accurate configuration baseline of the network.
  • Build firewall policies and optimized rule sets to improve efficiency and threat prevention.
  • Deploy new network configurations that meet NIST, FISMA, and STIG compliance requirements.
  • Support ATO reviews and audits to ensure continued security compliance.

What we're looking for

  • Bachelor's degree and experience, or a Master's degree and experience.
  • Cisco Certified Network Professional (CCNP) certification.
  • Experience in deployment and operation of LAN/WAN switches and firewalls.
  • Knowledge of defense-in-depth principles, network security architecture, and IT device integrity.
  • Proficiency in installing and maintaining Cisco hardware including Nexus series and Firepower systems.
  • Experience managing the information security incident lifecycle and building optimized firewall rule sets.
  • Ability to deploy configurations meeting NIST/FISMA/STIG compliance requirements and support ATO audits.
  • Eligibility to obtain a DHS EOD SCI clearance.

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