Network Security Operations Specialist

Network Specialist - Lead Systems Operations for a High-Impact Mission Network

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.

What You'll Do

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.
Your responsibilities include:

• 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

This is a hands-on, high-impact role where your expertise directly strengthens mission operations.

Required Qualifications & Skills

You bring a strong technical foundation, operational awareness, and the ability to lead others through complex system challenges.

• 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

• Preferred Qualifications

These skills will help you stand out:

• 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

Why This Role Matters

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.

#DINM

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.

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:
March 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:
Pay Range $92,300.00 - $166,850.00

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.