Leidos · 15 hours ago
Senior Network Administrator
Piketon, OH
Full-time
Onsite
Mid, Senior Level
$59K/yr - $107K/yr
2+ years expLeidos has an exciting and rewarding opportunity for a Senior Network Administrator to work at the DOE Portsmouth (Piketon, Ohio) site. The Senior Network Administrator provides advanced technical leadership in the design, implementation, optimization, and security of the organization’s enterprise network infrastructure.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design, implement, and maintain scalable, secure, and highly available enterprise network architectures across on-premises and hybrid environments
Lead complex troubleshooting efforts for critical network incidents, outages, and performance issues
Serve as the technical lead for network upgrades, migrations, refreshes, and major infrastructure initiatives
Architect and maintain advanced network security solutions including firewalls, IDS/IPS, VPNs, segmentation, and zero-trust principles
Develop and enforce network standards, best practices, and operational procedures
Perform capacity planning, performance tuning, and risk assessments to support business growth and resiliency
Mentor and provide technical guidance to Network Administrators and junior IT staff
Partner with cybersecurity, systems, cloud, and application teams to ensure secure and reliable end-to-end solutions
Lead disaster recovery and business continuity planning for network infrastructure, including regular testing and documentation
Ensure compliance with organizational policies, security frameworks, and regulatory requirements
Participate in vendor evaluations, solution selection, and lifecycle management
Qualification
Required
Bachelor's degree in Computer Science, Information Technology, or a related field with a minimum of two (2) years of progressive experience supporting enterprise networks, or equivalent hands-on experience
Must be able to obtain and maintain a DOE Q security clearance
Demonstrated experience designing and supporting complex, multi-site enterprise network environments
Advanced expertise with Cisco networking platforms, including IOS, Nexus OS, routing protocols, and switching technologies
Strong experience with Cisco wireless, ISE, Prime, and secure remote connectivity solutions
Proven ability to lead technical initiatives and act as a network subject matter expert
Must have DOE Ports experience to be considered
Preferred
Advanced Cisco certifications (e.g., CCNP or higher)
Experience in regulated or government environments
Familiarity with cloud networking and hybrid architectures
Strong documentation, communication, and stakeholder engagement skills
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
MarketScreener
2025-12-16
2025-12-16
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