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HPC Network Administrator/Engineer

Company Name:
Oak Ridge National Lab
Purpose:
The National Center for Computational Sciences (NCCS) at Oak Ridge National Lab (ORNL), which hosts several of the world's most powerful computer systems, is seeking highly qualified individuals to play a key role in improving the security, performance, and reliability of the NCCS computing infrastructure. This work includes supporting the fastest supercomputer in the world, Titan, which was recently announced as the scientific research community's most powerful computational tool for exploring solutions to some of today's most challenging problems. This position sits in the Computing and Computational Sciences Directorate at ORNL.

The ideal candidate is a self-starter with the ability to work within the parameters of a project to achieve the necessary goals. The candidate will work in the Infrastructure and Networking team within the HPC Operations group to support all activities of the supercomputer center.

Major Duties/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 enhancing 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 complex tasks
Qualifications Required
-The successful candidate will have a Bachelor's Degree in computer science or closely related field and at least 2-4 years of relevant experience. An equivalent combination of education and networking experience will be considered.
-Must have a strong working knowledge of networking fundamentals
-Development, implementation, and review of technical network and security requirements
- Must have strong experience with Routers, Switches, Firewalls in design, deployment, and operations
- Strong interpersonal and communication skills
- Ability to work as a team player
Preferred Qualifications:
-Bachelor's Degree in Computer science or closely related field and 5-7+ years of relevant experience
-A solid grasp of networking fundamentals, operating system fundamentals, and their interaction with each other
-Working knowledge of test utilities and other methods for simulating workloads in a test environment
- A solid foundation in high-performance computing, experience with large supercomputers, and knowledge of applications that run on them
- An in-depth knowledge of standards governing TCP/IP, Ethernet, and Infiniband
- 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 at network scripting including Perl, Expect, Python
- SNMP, Netflow, sFlow, Inmon, syslog
- Ability to plan, organize, prioritize tasks, and complete assigned projects with minimal supervision
- Experience configuring and troubleshooting enterprise-class network switches, routers, and firewalls
- Experience implementing network-level security technologies and following security best -practices
Special Requirement:
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 program (WSAP) testing designed position which requires passing a pre-placement drug test and participation in an ongoing random drug testing program in which employees are subject to being randomly selected for testing. The occupant of this position will also be subject to an ongoing requirement to report to ORNL any drug-related arrest or conviction or receipt of a positive drug test result.

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