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SE Linux / MLS System Administrator

NewGen Technologies, Inc.

Posted yesterday

Job Requirements

Alexandria, VA
Top Secret/SCI CI Polygraph
Career Level not specified
Salary not specified
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Job Description

We are seeking a SE Linux Based MLS Linux Administrator SME for our Partner's enterprise MLS configuration team which includes their Centralized Supercomputing Facility (CSCF) High Performance Computing and other contracts.

You will be an active member of the Enterprise MLS team working many and varied Red Hat Enterprise Linux (RHEL) SE Linux based configuration, policy, and development projects including full automation of configuration deployments.

The Enterprise MLS team is responsible for developing all aspects of secure, enterprise level MLS configurations through deployment, training, and problem solutions for deployed configurations. You will work closely with the contract Chief Architect, Dev/Sec/Ops SME/Lead, and their teams to ensure the Enterprise MLS product meets requirements and fully supports each program's needs.

An individual should have demonstrated problem-solving ability. We are looking for an individual with a majority of the experience listed.

Responsibilities
  • Develop, configure, and maintain integrated Red Hat Enterprise Linux/SE Linux Mandatory Access Control (MAC) configurations across multiple systems, networks, and NAS storage based on current configuration approach
  • Work closely with Dev/Sec/Ops automation development team to deploy RHEL SE Linux MLS configurations based on site-specific input files
  • Work closely with the security team to ensure RMF, RTB, and other security controls are met and fully documented
  • Manage impacts to system HPC performance ensuring minimal impacts
  • Apply best practices in software engineering, delivering projects on time and with excellent quality
  • Provide support to staff and end users to resolve issues in deployed configurations
  • Modify existing software to correct errors and/or improve performance
  • Ensure InfiniBand high speed fabrics operate correctly with MAC labeling
  • Ensure MLS networking meets controls requirements
Requirements
  • Active TS/SCI CI Poly Clearance
  • Bachelor's degree in Computer Science or an AIS degree required, plus 10 years of experience
  • Minimum 5 years of experience developing system software in heterogeneous, multi-platform environments
  • Proficiency with all aspects of SE Linux configuration, policy, MAC labeling, Security contexts, debugging policy issues, MLS FreeIPA, MLS Ethernet interface networking, developing least access policies, etc.
  • 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 as 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
Desired 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 integrations 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)
  • Demonstrated organization skills to balance and prioritize work, and ability to multitask
  • Demonstrated communication skills to communicate with support personnel, customer, and managers
  • Excellent written and oral communication and people skills; excellent time management skills
  • Demonstrated ability to analyze, debug, and maintain the integrity of an existing scripting base
About Us
For more than 20 years, NewGen Technologies has solved our clients' toughest IT challenges with integrity, security, and outstanding service by delivering both technology and talent. We have helped secure borders, have used artificial intelligence (AI) to fight terror, aided the identification of criminals, and have helped to prevent crime through the introduction of biometrics. Our team of Highly Cleared Specialists have hard-to-find skills and expertise in a wide spectrum of technologies to provide solutions that transform business processes and solve problems of national significance. #CJ
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