Network Engineer

Leidos Inc; Pearl City (HI); On-site; USD 73,450 - 132,775; Full time

Job summary

Leidos is seeking a Network Engineer to design, optimize, secure, and sustain large-scale enterprise networks for DoD missions in Pearl Harbor, Hawaii. The role requires extensive routing and switching expertise, OSI layers 1–4 knowledge, and experience with cryptographic devices and enterprise network engineering in mission-critical environments.

The candidate will manage Cisco routing/switching across 700+ devices, review IAVAs/IAVBs, and implement remediation while supporting telecom circuits

Qualifications

• Bachelor's degree in Engineering or a technical discipline with 7+ years of experience, or a Master’s with 5+ years.
• Active TS/SCI security clearance (in DISS).
• Active CompTIA Security+ certification.
• Active CCNP certification.
• Engineering experience supporting DoD communication systems and networks.
• OSI model knowledge L1-L4; higher layers knowledge is essential.
• Expertise with Cisco enterprise networking, cryptographic devices, and large-scale routing optimization.
• Experience with Palo Alto Firewalls and Azure Firewalls.
• Experience with SolarWinds, Cisco ISE with TACACS+, and GEMOne.

Responsibilities

• Oversee LAN, WAN, firewall, and NMS activities per Government guidance.
• Manage 700+ Cisco routers and switches for enterprise networks.
• Configure cryptographic devices and protocols (OSPF).
• Review IAVAs/IAVBs and implement remediation.
• Support local networks and circuits from T1 through OC-192.
• Develop SOPs and enhance security posture.
• Provide onsite engineering support for mission environments.
• Travel to locations including Guam, Japan, Bahrain, Italy, Spain, Australia, Korea, and Singapore.

Skills

Security clearance TS/SCI

DoD network engineering

OSI model L1-L4

Cisco routing & switching

Networking protocols OSPF

Cryptographic devices

Network security remediation

IAVAs/IAVBs

HGCC travel readiness

Education

Bachelor's degree in Engineering or technical discipline

Master's degree

CCNP certification

Active CompTIA Security+ certification

Tools

Palo Alto Firewalls

Azure Firewalls

SolarWinds

Cisco Identity Services Engine (ISE) with TACACS+

GEMOne

Job description

Description

Network Engineer

Location: Pearl Harbor, Hawaii

Security Clearance: Active TS/SCI Required

Leidos is seeking a Network Engineer to support forward deployed mission operations at the Office of Naval Intelligence (ONI) in Pearl Harbor, Hawaii. In this role, you will design, optimize, secure, and sustain large scale enterprise networks supporting critical Department of Defense communications. The ideal candidate has extensive experience with complex routing and switching, DoD communication systems, and enterprise network engineering in mission critical environments.

Primary Responsibilities

• Oversee Local Area Network (LAN), Wide Area Network (WAN), firewall, and Network Management System (NMS) activities in accordance with Government guidance.
• Manage advanced Cisco routing and switching for enterprise networks consisting of more than 700 Cisco routers and switches.
• Configure cryptographic devices and advanced routing protocols, including Open Shortest Path First (OSPF).
• Review Information Assurance Vulnerability Alerts (IAVAs) and Information Assurance Vulnerability Bulletins (IAVBs), and implement required remediation.
• Support local network infrastructure and telecommunications circuits ranging from T1 through OC 192.
• Develop Standard Operating Procedures (SOPs) and recommend improvements to the Government that enhance the security environment.
• Provide onsite engineering support for operational mission environments.
• Provide technical assistance to remote Hopper Global Communications Center (HGCC) divisions. Travel may be required to Guam, Japan, Bahrain, Italy, Spain, Australia, South Korea, and Singapore.

Required Qualifications

• Bachelor's degree in Engineering, an engineering discipline, or a technical discipline with 7+ years of experience, or a Master's degree with 5+ years of experience. Additional relevant experience may be substituted for a degree.
• Active TS/SCI security clearance (in DISS).
• Active CompTIA Security+ certification.
• Active Cisco Certified Network Professional (CCNP) certification.
• Engineering experience supporting DoD communication systems and networks.
• Expertise in the Open Systems Interconnection (OSI) model, specifically Layers 1 through 4. Knowledge of systems and applications operating at the higher OSI layers is essential to the continued success of HGCC N31 and its supported customers.
• Expertise with Cisco enterprise networking, cryptographic devices, and large scale routing optimization.
• Experience with Palo Alto Firewalls and Azure Firewalls.
• Experience with SolarWinds, Cisco Identity Services Engine (ISE) with TACACS+, and GEMOne.

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: July 26, 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: $73,450.00 - $132,775.00

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 [e-mail].

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.

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.