Oak Ridge National Laboratory · 1 day ago
Senior Network Administrator
Oak Ridge, TN
Full-time
Onsite
Senior Level, Lead/Staff
8+ years expOak Ridge National Laboratory (ORNL) is a U.S. Department of Energy national laboratory with a legacy of addressing the nation’s pressing challenges. They are seeking a skilled Senior Network Administrator to maintain and manage classified network infrastructure, ensuring data communication and security while collaborating with IT professionals to comply with government regulations.
Advanced MaterialsClean EnergyEnergyEnergy ManagementManufacturingNuclearRenewable Energy
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Maintaining computer networks including VPNs, routers, and other physical hardware and devices
Installing and configuring network equipment
Manage firewalls and update data security and encryptor systems
Configure, troubleshoot and patch datacenter infrastructure, including but not limited to: Palo Alto, Cisco, Windows and Linux systems
Monitoring computer systems to improve network performance for all systems
Troubleshooting, resolving, and communicating networking issues
Implementing disaster recovery procedures
Responsible for creating and maintaining network related documents and procedures that ensure the successful execution, monitoring of the network
Maintaining professional and technical knowledge by attending educational workshops; reviewing professional publications; establishing personal networks; benchmarking state-of-the-art practices; participating in professional societies
Qualification
Required
Bachelor of Science, in Information Technology, Computer Science, or related field with at least eight (8) years of network administration work
Additional years of experience may be considered in lieu of a degree
Strong communications skills, with the ability to successfully interact with IT peers, Network Engineers and architects
Collaborate with DOE-IN, sponsors, inter- and intra-management, departments and other key stakeholders to identify end-user requirements and specifications
Extensive experience automating and managing network configurations across enterprise-scale, multi-vendor environments, including infrastructure from Juniper, Cisco, and Palo Alto
Expert delivery to streamline deployment, enforce configuration standards, and support advanced networking solutions such as SD-WAN and zero-touch provisioning to ensure efficient and secure network operations
Proven aptitude to analyze and interpret user feedback to drive strategic enhancements in enterprise network systems and associated software, ensuring performance, scalability, and alignment with organizational objectives
Demonstrated ability to consult with senior leadership to develop and align network and infrastructure strategies with enterprise objectives, with a focus on driving IT modernization through automation initiatives that improve scalability, reduce manual overhead, and enhance operational efficiency
Developing technical documentation to guide future network development projects and overall continuity of effort
Thorough understanding of network and routing protocols including, but not limited to, TCP/IP, DNS, DHCP, OSPF, SMTP, NFS
Knowledge of network security practices, including firewalls, VPNs, and secure access protocols
Familiarity with government security standards and regulations (e.g., NIST, DISA STIGs) related to classified networks
Preferred
Experience with DOE, DOD, ICD, and FISMA regulatory requirements is highly desirable
TEMPEST training and certification, as well as COMSEC experience, are highly desirable
Familiar Cisco Nexus switch architecture, routing protocols such as BGP, OSPF Cisco VoIP and Video environment
Cisco certification, such as CCNA or CCNP, is preferred
Familiar with firewall security e.g. NIST
Motivated self-starter with the ability to work independently and to participate creatively in collaborative teams across the enterprise
Ability to function well in a fast-paced environment, set priorities to accomplish multiple tasks within deadlines, and adapt to ever changing needs
Serve as a mentor to peer or junior network administrators
Benefits
Medical and retirement plans
Flexible work hours
On-site fitness
Banking
Cafeteria facilities
Prescription Drug Plan
Dental Plan
Vision Plan
401(k) Retirement Plan
Contributory Pension Plan
Life Insurance
Disability Benefits
Generous Vacation and Holidays
Parental Leave
Legal Insurance with Identity Theft Protection
Employee Assistance Plan
Flexible Spending Accounts
Health Savings Accounts
Wellness Programs
Educational Assistance
Relocation Assistance
Employee Discounts
Company
Oak Ridge National Laboratory
Oak Ridge National Laboratory holds a range of R&D assignments, from fundamental nuclear physics to applied R&D on advanced energy systems.
5001-10000 employees
Funding
Current Stage
Late StageTotal Funding
$9.8MKey Investors
US Department of Energy
2023-09-21Grant· $4.8M
2023-07-27Grant
2022-03-14Grant· $5M
Leadership Team
Arjun Shankar
Director, Compute and Data Environment for Science
Brett Ellis
Group Lead - Business Systems Operations
Recent News
Research & Development World
2026-01-09
2026-01-09
2026-01-03
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