Senior RHEL Systems Engineer Onsite MD

Maximus; Corridor North (MD); On-site; USD 80,000 - 110,000; Full time

Job summary

Maximus is seeking an experienced Linux System Administrator to join our Maryland-based team. The role focuses on administering and optimizing RHEL servers, implementing security controls, and ensuring 24/7 uptime with on-call rotations.

The position requires an Active Secret clearance, US citizenship, and 7+ years of Linux administration experience, with onsite work in Annapolis Junction, MD. Collaboration with cross-functional teams and automation with Ansible are key parts of the job.

Qualifications

• Active Secret clearance required.
• Must report onsite to Annapolis Junction, MD.
• 7+ years of Linux/Red Hat system administration experience required.
• US Citizenship is required per contract.
• Candidates must reside within a commutable distance for daily onsite work and on-call requirements.
• This contract supports 24x7x365 uptime and recall readiness.

Responsibilities

• Administer, support, and optimize RHEL-based server infrastructure (RHEL 7.x/8.x/9.x).
• Perform daily system administration tasks: user management, permissions, file systems, and network config.
• Monitor and tune system performance; resolve bottlenecks for reliability and efficiency.
• Execute backup, restore, and disaster recovery operations to maintain high availability.
• Assess, implement, and maintain hardware/software solutions to meet requirements.
• Develop and update documentation for configurations, processes, and troubleshooting.
• Conduct vulnerability assessments using Tenable and other platforms; remediate as needed.
• Investigate security incidents, design mitigations, and implement proactive security measures.
• Apply DISA STIGs and mitigate KEVs to ensure compliance and security.
• Automate tasks with Ansible, Bash, Python and other tools to improve operations.
• Collaborate with network, storage, application, and security teams for integrated solutions.
• Provide guidance for system integration, migrations, and upgrades.

Skills

Linux Admin

Ansible

Python

Bash

Security Tools

Tenable

Disaster Recovery

Tools

Ansible

Bash scripting

Python

Tenable

DISA STIGs

Job description

Maximus is seeking an experienced Linux System Administrator to join our Maryland-based team. The role focuses on administering and optimizing RHEL servers, implementing security controls, and ensuring 24/7 uptime with on-call rotations.

The position requires an Active Secret clearance, US citizenship, and 7+ years of Linux administration experience, with onsite work in Annapolis Junction, MD. Collaboration with cross-functional teams and automation with Ansible are key parts of the job.