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.
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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, 2026For 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.
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.
Skills Required
- Bachelor's degree in Engineering or technical discipline with 7+ years experience (or Master's with 5+ years) or equivalent experience.
- 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 OSI model, specifically Layers 1 through 4.
- Expertise with Cisco enterprise networking, cryptographic devices, and large-scale routing optimization.
- Experience managing enterprise networks of 700+ Cisco routers and switches.
- Experience with advanced routing protocols, including OSPF.
- Experience with Palo Alto Firewalls and Azure Firewalls.
- Experience with SolarWinds, Cisco ISE with TACACS+, and GEMOne.
- Ability to review IAVAs/IAVBs and implement required remediation.
- Support experience for telecommunications circuits from T1 through OC-192.
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
