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Leidos

Insider Threat Program Network Engineer

Washington, DC
Networking Cisco Juniper Palo Alto ForcePoint FirePower Network Security Hardware Security Software Security
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Description

Senior Network Engineer

Location: Washington, DC

Time Type: Full time

Job Description

The Digital Modernization Sector at Leidos currently has an opening for a Senior Network Engineer supporting the HEITS Contract as part of the Department of Homeland Security (DHS) Insider Threat Program (ITP). This is an exciting opportunity to use your experience to support, sustain, design and evolve the network enterprise of the ITP. The ITP mission is to identify insider threats to the department by utilizing advanced analytics, monitoring, and data correlation which in turn help address and eliminate potential threat actors from compromising the DHS mission in safeguarding the homeland.

The selected candidate will be responsible for the following:

Support the ITP network infrastructure, perform all routine maintenance activities, provide guidance on upgrades and system recapitalization, perform availability/capacity management. Oversee High Speed Guard Cross Domain solution that supports the transfer of data between multiple classification domains. Support all documentation to effectively capture the configuration baseline. Design and support system recapitalization plans to account for capacity growth and changes as directed by the customer. Serve as the subject matter expert on all ITP network infrastructure.

Basic Qualifications:

  • Bachelors degree and (12)+ years of prior relevant experience or Masters with (10)+ years of prior relevant experience 

  • Prior leadership responsibilities

  • Excellent written and oral communication skills 

  • Experienced and adept at developing and maintaining technical documents, analyses, and reports

  • Experienced with preparing and presenting briefings to senior customer management, and customer stakeholders

  • Working knowledge of defense-in-depth principles, network/HW/SW security architecture, network topology, IT device integrity, and common security elements 

  • Active Top Secret government security clearance; ability to obtain DHS EOD SCI

Preferred Qualifications:

  • Master’s degree from an accredited college or university in IT Management, Engineering, or related field 

  • Proven experience (10+ years) in IT service delivery management 

  • Experience with User Activity Monitoring products and platforms

  • Experience with Everfox High Speed Guard Platform

  • Experience with Cisco, Juniper LAN/WAN network infrastructure

  • Experience with Palo Alto Firewalls

  • DHS Cleared preferred

  • CCNP or Higher

  • ForcePoint/FirePower Experience

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos
Leidos

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