Network Security Operations Specialist

Leidos•Honolulu, HI

About The Position

Leidos is seeking a Network Specialist to join a mission‑critical, undisclosed network operations program. In this role, you’ll be at the heart of real‑time operations—supporting core network and system infrastructure, resolving complex technical issues, and elevating operator readiness. If you’re energized by hands‑on problem solving, systems leadership, and keeping mission environments running at peak performance, this is your next step. This position is ideal for someone who thrives in fast‑paced operational settings and wants to make a measurable impact on system reliability, operator proficiency, and mission success. As a key technical expert on the operations floor, you’ll provide advanced systems support, guide operators, and collaborate with engineering teams to keep mission systems secure, stable, and optimized. This is a hands‑on, high‑impact role where your expertise directly strengthens mission operations. You’ll be a critical force behind the stability and readiness of a mission‑essential network environment. Your expertise will empower operators, strengthen system resilience, and help drive continuous improvement across the program. This is your opportunity to lead, innovate, and make a meaningful impact every day. 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.

Requirements

Active DoD TS/SCI clearance
Current DoD 8140‑compliant security certification (IAT/IAM Level III equivalent)
Ability to obtain required computing environment certification within 6 months
Experience with Windows Server, Active Directory, and system patching
Experience with RHEL 9 administration and patching
Proficiency with PowerShell and BASH scripting
Strong troubleshooting skills across systems and networks
Familiarity with syslog and Windows Event Viewer
Proficiency with Microsoft Office Suite (Word, Excel, PowerPoint, Visio)
Excellent written and verbal communication skills
Proven ability to support complex technical environments
Strong interpersonal skills and the ability to collaborate with leadership and cross‑functional teams
Demonstrated ability to train and mentor personnel in technical and operational domains

Nice To Haves

Industry certifications in Red Hat or Windows
Experience managing Windows Domain Infrastructure (DNS, DHCP, Group Policy, SCCM)
Familiarity with disaster recovery and backup best practices
Experience with VMware virtualization
Exposure to automation tools
Understanding of mission‑environment operational support procedures

Responsibilities

Acting as the primary systems support specialist, diagnosing and resolving complex issues affecting systems and networks
Managing and maintaining RHEL 9 and Windows Server 2019/2022 environments
Training and mentoring operators, ensuring they are confident, capable, and mission‑ready
Partnering with program leadership to deliver updates, insights, and recommendations
Implementing system changes and optimizations to improve performance and reliability
Collaborating with Tier 3 engineering on production deployment changes
Staying current on emerging technologies and industry best practices