Insider Threat Program Senior Network Engineer

Leidos; United States; On-site; USD 139,100 - 251,450; Full time

Benefits offered by this job

Competitive compensation

Health and Wellness programs

Retirement

Job summary

Leidos is seeking a Senior Network Engineer to support the DHS Insider Threat Program (ITP). You will design, sustain, and evolve the ITP network, focusing on security, scalability, and reliability across LAN/WAN and cross-domain data transfers.

The role requires CCNP, 8+ years of experience (or 6+ with a Master's), and a strong background in network security, NIST/FISMA/STIG compliance, and incident response. On-site position with competitive pay and benefits.

Qualifications

• Bachelor's degree and 8+ years of experience or Master's with 6+ years of experience.
• CCNP certification.
• Experience deploying and operating LAN/WAN switches and firewalls.
• Knowledge of defense-in-depth, security architecture, and IT device integrity.
• Experience with Cisco gear (2900/4500/9300/9400/6800/Nexus 9000) and Cisco Firepower, ASA.
• Experience with security incident lifecycle management and incident response.
• Experience with network management tools (Solarwinds, WhatsUp Gold, NetQoS, NetBrain).
• Cross-platform familiarity with VMWARE, Linux, and Windows Server/AD.
• Ability to meet NIST/FISMA/STIG requirements and assist with ATO reviews.

Responsibilities

• Support the ITP network infrastructure and routine maintenance.
• Oversee cross-domain data transfer through High Speed Guard solution.
• Document configuration baselines and changes.
• Plan and support network recapitalization for capacity growth.
• Serve as SME for all ITP network infrastructure.

Skills

CCNP

LAN/WAN engineering

Firewall configuration

Security architecture

Security incident lifecycle

VMware/Linux/Windows/AD

Education

Bachelor's degree in a related field

Master's degree in IT/Engineering

Tools

Solarwinds

WhatsUp Gold

NetQoS

NetBrain

VMware

Linux

Microsoft Server

Active Directory (AD)

Job description

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 (8)+ years of prior relevant experience or Masters with (6)+ years of prior relevant experience
• Cisco Certified Network Professional (CCNP)
• 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
• 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
• Certified Information Systems Security Professional (CISSP)
• Cisco Certified Network Professional (CCNP) - Security
• Palo Alto Networks Accredited Configuration Engineer (ACE) - PAN-OS 7.0 Version

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.

Pay Range

Pay Range $139,100.00 - $251,450.00

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.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

More details are available at www.leidos.com/careers/pay-benefits .

Commitment to Non-Discrimination

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.