Linux SME (TS/SCI)

Clearance (Required): TS/SCI with a Counterintelligence Polygraph

We are seeking a Linux Administrator SME for our support teams which includes our Centralized SuperComputing Facility (CSCF) High Performance Computing and other contracts. Summary The CSCF Linux HPC Administration team is responsible for day-to-day operations working to provide full spectrum support for the product and the implementations on the various contracts. You will work closely with the contract teams, users, and government to ensure the systems meet requirements and fully support each program’s needs.

We are looking for an individual with a majority of the experience listed.

Duties and Responsibilities

• Automation of all tasking, debugging, and other day-to-day functions
• Create backups and migrate them to tape for long term storage
• Work with users one-on-one to solve their access and computer problems
• Install software libraries functioning in RHEL/SE Linux environment using Bash and/or Expect scripting built from a template while following program procedures
• Apply best practices in software engineering, delivering projects on time and with excellent quality
• Provide support to security and administration staff as well as end users to resolve issues
• Modify existing scripting to correct errors and/or improve performance
• Provide SME level Linux support to the O&M staff
• Create and/or update comprehensive documentation on all aspects of the contracts computer support

Education/Requirements:

• A minimum of 5 years of experience developing system software in heterogeneous, multi-platform environments
• Proficiency in Bourne/Bash and Expect scripting
• Proficiency in debugging issues with the Linux kernel including examining source code, system logs, and using tools such a crash and systemtap.
• Experience with managing Satellite repositories to apply patches and build custom kernels as required to implement functionality or address security concerns
• Familiarity with automating approaches to configuring and maintaining (e.g. patching) systems using Ansible and Satellite Server
• Understanding and experience working with identity management systems including LDAP and token-based authentication systems
• Excellent written and oral communication and people skills; excellent time management and organizational skills
• Demonstrated ability to analyze, debug and maintain the integrity of an existing scripting base
• Demonstrated organization skills to balance and prioritize work, and ability to multitask
• Demonstrated communication skills to communicate with support personnel, customer, and managers

Preferred Skills:

• Familiarity with High Performance Computing (HPC) environment and related technologies
• Familiarity with Infiniband or Omni-Path high speed fabrics, including subnet management, IPoIB and/or IPoOPA mechanisms, fabric topology and health monitoring and integration with MPI
• Experience with Lustre, NFS, and other direct attach file systems
• Experience with Ethernet networking
• Experience with RDMA communications (InfiniBand and OmniPath)
• Knowledge of Python, Perl, Korn, and other shell scripting
• Experience with revision control software (CVS, SVN, Git)
• SE Linux experience: configuration and policy