About The Position

Everforth ECS is seeking a Linux System Administrator to provide temporary support to the Manpower & Reserve Affairs (M&RA) Customer. The selected candidate will be responsible for the administration, maintenance, and security of Linux-based systems hosted within the AWS GovCloud and MCCOG environments.

Requirements

  • Bachelor's degree in IT, Computer Science, or related field (or equivalent experience)
  • 5+ years of Linux system administration (RHEL/CentOS preferred)
  • 2+ years hands-on experience with AWS (preferably GovCloud)
  • CompTIA Security+ CE (required)
  • Must be a U.S. Citizen
  • Active DoD [Secret] security clearance
  • Knowledge of DISA STIGs and SCAP compliance scanning
  • Knowledge of RMF / ATO processes
  • Knowledge of AWS IAM, VPC, EC2, S3, CloudFormation, and CloudWatch
  • Knowledge of TCP/IP networking, DNS, DHCP, NFS, SSH, LDAP
  • Knowledge of configuration management tools (Ansible, Puppet, or Chef)
  • Knowledge of HBSS/ESS, ACAS, and Splunk

Nice To Haves

  • Red Hat Certified System Administrator (RHCSA) or RHCE (desired)
  • Linux+ (acceptable)
  • Experience in cloud formation and terraform
  • Experience with RAISE 2.0 (Zero Trust) and the ATO Process

Responsibilities

  • System Administration: Install, configure, maintain, and troubleshoot RHEL/CentOS-based Linux servers within AWS GovCloud and MCCOG infrastructure
  • Cloud Operations: Manage EC2 instances, S3, IAM roles/policies, VPCs, security groups, and other AWS services within the GovCloud boundary
  • MCCOG Coordination: Interface with MCCOG teams for provisioning, accreditation, and operational support of cloud-hosted systems
  • Security & Compliance: Implement and maintain STIG hardening, ACAS/Nessus vulnerability scanning, and ensure compliance with DISA and Marine Corps cybersecurity policies (RMF/ATO)
  • Patching & Updates: Execute scheduled and emergency patching of Linux systems in accordance with IAVM requirements
  • Monitoring & Performance: Configure and maintain system monitoring tools (e.g., CloudWatch, Nagios, Splunk, or HBSS/ESS) to ensure availability and performance SLAs
  • Automation & Scripting: Develop Bash, Python, or Ansible scripts/playbooks to automate routine administrative tasks
  • Backup & Recovery: Manage backup solutions and disaster recovery procedures for Linux systems
  • Documentation: Maintain system documentation including SOPs, network diagrams, and change management records in accordance with contract requirements
  • Incident Response: Troubleshoot and resolve system outages and security incidents; participate in after-hours support as needed
  • Collaboration: Work with application teams, database administrators, network engineers, and the M&RA program office to support mission requirements
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