Mission-Critical Network Engineer — DoD, TS/SCI

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

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