Senior Linux Engineer - RHEL Automation & Security

Amatriot Group, LLC; Bethesda (MD); Hybrid; USD 130,000 - 165,000; Full time

Job summary

Amatriot Group, LLC is seeking a Senior Linux Engineer (Red Hat) to support NSWC Carderock Division in West Bethesda, MD. The role focuses on secure RHEL administration, automation, patching, and compliance within a hybrid work setup.

The engineer will leverage Ansible, Red Hat Satellite, Kickstart, and IdM to maintain secure Linux environments, while adhering to DISA STIGs and RMF requirements. On-call onsite support is required for outages and critical incidents.

Qualifications

• 8+ years of systems administration or infrastructure engineering experience.
• 3+ years hands-on Red Hat Enterprise Linux (RHEL) administration.
• Experience developing and maintaining Ansible playbooks for enterprise infrastructure automation.
• Experience administering Red Hat Satellite for patch management and lifecycle operations.
• Experience developing Kickstart configurations and standardized OS images.
• Advanced Bash scripting and Linux command-line proficiency.
• Experience implementing DISA STIGs, security hardening, and vulnerability remediation.
• Familiarity with VMware or other enterprise virtualization platforms.
• Active Secret clearance and a favorable Tier 5 background investigation.
• CompTIA Security+ and CSWF qualification.

Responsibilities

• Install, configure, administer, and troubleshoot Red Hat Enterprise Linux (RHEL) servers.
• Develop and maintain Kickstart configurations for automated OS deployments.
• Manage patching with Red Hat Satellite and lifecycle operations.
• Create Ansible playbooks to automate configurations and deployments.
• Support Ansible Automation Platform, Satellite, IdM and related tools.
• Implement DISA STIG baselines and RMF compliance for DoD systems.
• Develop Bash and Python scripts to streamline tasks and troubleshooting.
• Support centralized Linux authentication and identity management.
• Perform root cause analysis for outages including kernel-level issues.
• Troubleshoot networking, DNS, firewalls, and storage (SAN/NAS).
• Support virtualization across VMware/Hyper-V and physical servers.
• Contribute to high availability, clustering and disaster recovery planning.
• Document infrastructure architectures and procedures.

Skills

RHEL administration

Ansible automation

Bash scripting

Python scripting

Linux networking

Education

Bachelor's degree in Computer Science/Engineering/IT

Tools

Red Hat Satellite

Kickstart

VMware

Docker/Kubernetes

IdM / PAM

Job description

Amatriot Group, LLC is seeking a Senior Linux Engineer (Red Hat) to support NSWC Carderock Division in West Bethesda, MD. The role focuses on secure RHEL administration, automation, patching, and compliance within a hybrid work setup.

The engineer will leverage Ansible, Red Hat Satellite, Kickstart, and IdM to maintain secure Linux environments, while adhering to DISA STIGs and RMF requirements. On-call onsite support is required for outages and critical incidents.