Network Engineer

Leidos Holding$73K — $132K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Engineering or related technical field with 7+ years of experience or a Master's degree with 5+ years of experience.
  • Active TS/SCI security clearance.
  • Current CompTIA Security+ certification.
  • Current Cisco Certified Network Professional (CCNP) certification.
  • Experience supporting DoD communication systems and networks.
  • Understanding of the OSI model, specifically Layers 1 through 4.
  • Expertise in Cisco enterprise networking and cryptographic devices.

Responsibilities

  • Oversee LAN, WAN, firewall, and NMS activities per Government guidelines.
  • Manage advanced Cisco routing and switching for a large enterprise network.
  • Configure cryptographic devices and advanced routing protocols like OSPF.
  • Review and implement remediation for IAVAs and IAVBs.
  • Support local network infrastructure and telecommunications circuits from T1 to OC 192.
  • Develop and enhance SOPs for improving the security environment.
  • Provide onsite engineering support in operational mission environments.

Benefits

  • Opportunities for travel to various international locations.
  • Working in a mission-critical environment that supports national defense.
  • Engaging with cutting-edge technologies in networking and cybersecurity.
Full Job 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.


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Original Posting:
July 26, 2026

Pay Range:
Pay Range $73,450.00 - $132,775.00

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.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

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Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

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Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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