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Senior Network Engineer

Date: Jan 12, 2023

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 9699 


The Information Technology Services Division (ITSD) in the Business Systems Directorate at the Oak Ridge National Laboratory (ORNL) is seeking qualified applications for the position of Senior Network Engineer. The position’s primary work duties are network engineering, system administration, and providing technical consulting to various work-for-others projects.


Major Duties/Responsibilities: 

  • The primary responsibility for this position is network design, configuration and troubleshooting.
  • Responsible for the daily secure operations of the network enclaves.
  • Providing coordination, notification, escalation and documentation to resolve events/issues, efficiently minimizing customer impact.
  • Interfacing with and providing outage reports to various levels of management.
  • Assisting with other tasks as needed or as assigned by management.
  • Ensure systems are configured and maintained per cyber security common control requirements so that accreditation is retained.
  • Create and maintain infrastructure documentation as it relates to infrastructure systems design, configuration, support, and processes.


  • Identify, create, communicate, and implement process engineering for technologies to create end-to-end service offerings.
  • Conduct research, cost-benefit and return-on-investment analysis on proposed hardware, software and systems to justify recommendations, support purchasing efforts, and aid management in making infrastructure design and architecture decisions. 
  • Manage capacity and performance of the WAN/LAN network platforms, ensuring the integrity of the infrastructure.
  • Proactively monitor, test, collect and analyze system performance statistical data to improve quality of the network environment.
  • Diagnose and resolve complex configuration and troubleshooting issues within a multi-vendor infrastructure.
  • Mentor and train junior-level staff on network design, configuration and troubleshooting.
  • Adhere to a customer service focused culture


Basic Qualifications:

  • Bachelor’s Degree in Engineering, Computer Science, or a related field with a minimum of 8 years of relevant experience is required.  An equivalent combination of education and experience may be considered. 
  • Good problem-solving skills and the ability to visualize a problem or situation and think abstractly to solve it.
  • Ability to handle constantly changing work priorities, to be able to multitask effectively during busy times, and to exercise patience and professionalism during stressful situations.
  • Ability to work responsibly with or without supervision.
  • Working knowledge of routing protocols (OSPF, BGP, etc.)
  • Must be sufficient in Microsoft Visio.


Preferred Qualifications:

  • Knowledgeable in the use of network and configuration management. Working knowledge of Cisco IOS, Arista, JUNOS, routers, multilayer switch, and layer 2 & 3 switch configuration and deployments.
  • Cisco, Palo Alto, Juniper firewall experience highly desired.
  • Knowledge of Cisco, Arista and Juniper Routers/Switches including Catalyst, Nexus, MX, EX, SRX.
  • Knowledge of Python, REST-API, Shell Scripting and other scripting languages highly desired.
  • Familiarity with JSON and YAML data structures.
  • Algosec or other firewall management tools.
  • Network Security knowledge, including familiarity with Zero Trust.
  • Client VPN technologies, such as Cisco AnyConnect, Global Protect.
  • Implementation and Design of IPSEC VPN.
  • Design, implement, and operate a multi-datacenter network.
  • Familiarity with IPv6 implementations.
  • Experience with vulnerability scanning.
  • Good oral communication and technical writing skills.


Special Requirements:

Q: This position requires the ability to obtain and maintain a clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program.




This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.

If you have trouble applying for a position, please email

ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply.  UT-Battelle is an E-Verify employer.

Nearest Major Market: Knoxville