HPC Network Engineer

Oak Ridge National Laboratory; Oak Ridge (TN); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Dental Plan

Vision Plan

401(k) Retirement Plan

Life Insurance

Disability Benefits

Wellness Programs

Educational Assistance

Relocation Assistance

Parental Leave

Job summary

Oak Ridge National Laboratory (ORNL) seeks a skilled network engineer to improve security, performance, and reliability of the NCCS computing infrastructure that supports top-tier supercomputers including Frontier.

You will work in the HPC Networking group within the Systems section to support all NCCS activities, with responsibilities spanning installation, configuration, troubleshooting, and capacity planning in a demanding research environment.

Qualifications

• BS degree in computer science or closely related field with 5+ years of network engineering and administration experience.
• Equivalent combination of education and networking experience considered.

Responsibilities

• Install, configure, and maintain network system software.
• Define and implement best practices and standards.
• Diagnose network problems quickly and efficiently.
• Collaborate with users to transfer data to remote sites.
• Maintain and monitor network performance and health metrics.
• Analyze performance data to plan capacity and prevent issues.
• Incorporate security measures without compromising performance.
• Coordinate with cyber security staff for intrusion data.
• Participate in 24/7 on-call rotations and off-hour maintenance.
• Document network administration procedures.

Skills

Advanced networking

TCP/IP & Ethernet

Security requirements

Scripting (Perl, Python)

Packet capture tools

Switches/ Routers/ Firewalls

SNMP / NetFlow / sFlow

Education

BS in Computer Science or related field

Job description

Select how often (in days) to receive an alert:

The National Center for Computational Sciences (NCCS) in the Computing and Computational Sciences Directorate at Oak Ridge National Laboratory is seeking a highly qualified individual to play a key role in improving security, performance, and reliability of the NCCS computing infrastructure which supports multiple highly ranked Top500 Supercomputers, including the world’s first exaflop system, Frontier.

We are searching for a self-starter with the ability to work within the parameters of a project to achieve the vital goals. You will have the opportunity to work in the HPC Networking group within the Systems section to support all activities of the supercomputer center.

Major Duties and Responsibilities:

• Installing, configuring, and maintaining network system software
• Working with the team to define and implement best practices and standards within the organization
• Diagnosing network operational problems quickly and efficiently
• Work with users to transfer data to and from remote sites
• Maintaining and improving network performance and health metric collection and monitoring
• Analyze the performance and health metrics to proactively avoid future problems, fix current problems, and aid in capacity planning
• Ensuring that appropriate security measures are built into the network, that these security measures meet the performance needs of the center, and that they are maintained in future modifications
• Coordinate with cyber security staff to provide appropriate data for intrusion detection
• Participate in on-call rotation, responding to critical incidents 24 hours, 7-day support and off hour maintenance windows
• Documenting network administration procedures for routine and sophisticated tasks

Basic Qualifications:

• BS degree in computer science or closely related field and 5+ years of experience in network engineering and administration. An equivalent combination of education and networking experience will be considered.

Preferred Qualifications:

• Advanced knowledge of networking fundamentals, operating system fundamentals, and their interaction with each other.
• Advanced knowledge of the development, implementation, and review of technical network and security requirements.
• An in-depth knowledge of standards governing both TCP/IP and Ethernet.
• Working knowledge of packet capture and analysis tools
• In-depth knowledge of the systems of the network, their function, and the risks that they present.
• Familiarity and experience with basic scripting—including Perl, Expect, Python.
• Experience with and knowledge of SNMP, Netflow, sFlow, syslog.
• Ability to plan, coordinate, prioritize tasks, and complete assigned projects with minimal direction.
• Experience designing, configuring and troubleshooting enterprise-class network switches, routers, and firewalls.
• Experience implementing network-level security technologies and following security best–practices.
• Good interpersonal and communication skills.
• Ability to work as a standout colleague.
• Prior experience with test utilities and other methods for simulating workloads in a test environment.
• A proven foundation in high-performance computing, experience with large supercomputers, and knowledge of applications that run on them.
• Ability to function well in a fast-paced research environment, set priorities to accomplish multiple tasks within deadlines, and adapt to ever changing needs.

Special Requirements:

• Visa sponsorship: Visa sponsorship is not available for this position.
• Security, Credentialing, and Eligibility Requirements: Q Clearance: 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.

About ORNL:

As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation’s most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation.

ORNL offers competitive pay and benefits programs to attract and retain individuals who demonstrate exceptional work behaviors. The laboratory provides a range of employee benefits, including medical and retirement plans and flexible work hours, to support the well‑being of you and your family. Employee amenities such as on‑site fitness, banking, and cafeteria facilities are also available for added convenience.

Other benefits include the following:

• 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

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 [e-mail].

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.