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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:

Serve as asubject matter expert for the ITP network infrastructure. This includes oversight of the High-Speed Guard Cross Domain solution, strategic planning for system recapitalization, and ensuring compliance with NIST/FISMA/STIG standards. The position also requires deep technical expertise across multiple platforms (Cisco, Palo Alto, VMware, Linux, Microsoft Server) and familiarity with complex security architectures and incident lifecycle management.

Basic Qualifications:

+ Masters with 15 – 20 years of prior relevant experience or Doctorate with 13 – 16 years of prior relevant experience.Bachelor's Degree and additional years of experience and certifications will be considered in lieu of a Master's Degree.

+ Cisco Certified Network Professional (CCNP)

+ Experience Engineering, Deployment and operations of LAN and WAN Switches, and Firewalls ensuring seamless integration into existing network infrastructure

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

+ Installs, configures, and maintain equipment including Cisco network and FW gear Cisco 2900, 4500, 9300, 9400, 6800 and Nexus 9000, and Cisco Firepower, ASA.

+ Experience with and proven methods for managing the information security incident lifecycle, including incident response, mitigation, post-action reporting, and mapping a path forward.

+ Network Management experience with Solarwinds, or WhatsUP Gold, NetQoS, NetBrain

+ Cross platform familiarity and experience with VMWARE, Linux, Microsoft Server and AD.

+ Build firewall policy and optimized rule sets for improved efficiency and threat prevention.

+ Deploy new network configuration to meet NIST/FISMA/STIG compliance requirements

+ Support ATO reviews and Audits

+ Requires ability to communicate with senior executiveleadership (internally or client) regarding matters of strategic importance to the organization/project.

+ Ability to obtain DHS EOD SCI

Preferred Qualifications:

+ Proven experience (15+ 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

+ Certified Information Systems Security Professional (CISSP)

+ Cisco Certified Network Professional (CCNP) - Security

+ Palo Alto Networks Accredited Configuration Engineer (ACE) - PAN-OS 7.0 Version

+ Proven experience (15+ 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

+ Certified Information Systems Security Professional (CISSP)

+ Cisco Certified Network Professional (CCNP) - Security

+ Palo Alto Networks Accredited Configuration Engineer (ACE) - PAN-OS 7.0 Version

We’re not looking for perfectly polished resumes or perfect fits. We’re looking for people who break limits, ask hard questions, and don’t wait to be told what’s next. At Leidos, we’re not following the roadmap — we’re redrawing it.

Original Posting:

October 2, 2025

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 $134,550.00 - $243,225.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected] .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (https://reportfraud.ftc.gov/#/) .

Commitment to Non-Descrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

REQNUMBER: R-00167993

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.