Linux System Administrator

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.

Responsibilities

• U.S. Navy and DoD cybersecurity discussions, RPOC specifically means a Rapid Assess and Incorporate Software Engineering (RAISE) Platform of Choice (RPOC)
• 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