Linux Systems Administrator

Patuxent River, MD, 1099, W2

Design, implement, manage, and maintain a High Performance Computing (HPC) cluster network infrastructure to meet Risk Management Framework (RMF) and Joint SAP Implementation Guide (JSIG) requirements in support of digital engineering efforts. 


  • Maintain multiple Linux servers based information systems
  • Provide and perform a wide range of systems administration and life cycle management tasks to support and sustain IT networks as directed by the Government IT Lead
  • Recommend and schedule Information Assurance (IA) related repairs in the network environment
  • Perform IA related customer support functions including installation, configuration, troubleshooting, and/or training in response to customer requirements for the network environment
  • Analyze system performance for potential security problems
  • Run vulnerability and compliance assessments via ACAS and STIG’s
  • Perform patching (flaw remediation) activities
  • Provide Assured File Transfer (AFT) capabilities across multiple classified networks following documented policies and procedures
  • Implement and maintain a Backup and Recovery solution for all information systems
  • Diagnose and resolve IA problems in response to customer reported incidents
  • Coordinate with other teams to assist in the installation of infrastructure hardware and software
  • Create, update and maintain diagrams, inventory, build guides and maintenance log documentation
  • Develop plans and dates associated with tasks and provide status updates as required by the Government Program Manager
  • Communicate daily issues to include, but not limited to, network outages, system failures, or noncompliance in accordance with applicable government regulations to cybersecurity staff and stakeholders
  • Adhere to IS security laws and regulations to support functional operations for the network environment
  • Support COMSEC network devices


  • Top Secret Clearance
  • Minimum of 6 years as a systems administrator
  • Possess DoD Approved Baseline Certification as Information Assurance Technical Level II in accordance with DoD 8570.01-M/8140 (i.e. Security+ CE & Vendor certification or IT Training Provider certificate for network environment main operating system
  • Demonstrated expertise in IAT Level II network enterprise (NE) knowledge and skills
  • Possess senior level server based administration background
  • Possess knowledge and experience in Linux Server environments
  • Full comprehension Linux based HPC deployment and management
  • Demonstrated work experience with configuring and managing network switches
  • Demonstrated understanding and working knowledge of Risk Management Framework (RMF)/Joint SAP Implementation Guideline (JSIG)
  • Working knowledge of Windows server based OS’s is desired
Join ClearedCollab

Apply for this Job

Upload your CV/resume or any other relevant file. Max. file size: 1 MB.