Linux Engineer

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

Location: West Bethesda, MD
Security Clearance: Active TS or higher [Required]
Job Type: Full-Time
Target Salary Range*:$130,000 - $165,000

*This represents the potential salary range for this position depending on education level, years of experience and/or certifications in addition to other position specific requirements which may impact salary

Position Overview:

Amatriot Group is seeking a Senior Linux Engineer (Red Hat) to support enterprise Linux infrastructure operations at the Naval Surface Warfare Center (NSWC) Carderock Division in West Bethesda, MD.

The ideal candidate will have extensive experience administering, engineering, securing, and automating Red Enterprise Linux (RHEL) environments. This position will focus on enterprise Linux infrastructure, automated system provisioning, patch management, configuration management, and cybersecurity compliance.

The engineer will support both physical and virtual infrastructure, leveraging technologies such as Ansible, Red Hat Satellite, and Kickstart to maintain secure, standardized Linux environments.

This position offers a hybrid work schedule, with onsite availability required to respond to critical infrastructure outages as needed.

Key Responsibilities:

• Linux Infrastructure Administration: Install, configure, administer, and troubleshoot Red Enterprise Linux (RHEL) servers supporting enterprise infrastructure and mission-critical applications.
• System Imaging & Provisioning: Develop, maintain, and customize Kickstart configurations to automate Linux operating system installation and deployment using standardized, security-hardened images.
• Patch Management: Administer Red Hat Satellite to manage enterprise Linux patching, system updates, software repositories, and lifecycle management.
• Ansible Automation: Develop and maintain Ansible playbooks to automate system configurations, software deployments, patching, and infrastructure management.
• Enterprise Automation: Support Red Hat Ansible Automation Platform (AAP), Satellite, Red Hat Identity Management (IdM), and related enterprise management tools.
• Cybersecurity Compliance: Implement DISA STIG security baselines, perform vulnerability remediation, and maintain compliance with DoD cybersecurity requirements and Risk Management Framework (RMF) standards.
• Scripting & Automation: Develop Bash and Python scripts to streamline administrative tasks, troubleshoot infrastructure issues, and improve operational efficiency.
• Identity Management: Support the integration and administration of centralized Linux authentication and identity management solutions.
• Infrastructure Troubleshooting: Perform advanced root cause analysis of complex system outages, including kernel-level troubleshooting, log correlation, and performance analysis.
• Networking & Storage: Troubleshoot Linux networking, DNS, routing, firewalls, and enterprise storage environments, including SAN/NAS and multipathing.
• Virtualization: Support Linux infrastructure deployed across VMware, Hyper‑V, and physical server environments.
• Infrastructure Engineering: Contribute to the design, hardening, and maintenance of highly available Linux infrastructure, including clustering and disaster recovery capabilities.
• Documentation: Develop and maintain technical documentation covering infrastructure architecture, system configurations, automation procedures, and operational processes.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related technical discipline.
• 8+ years of relevant systems administration, infrastructure engineering, or IT experience.
• 3+ years of hands‑on experience administering and engineering Red Enterprise Linux (RHEL) environments.
• Strong experience developing and maintaining Ansible playbooks for enterprise infrastructure automation.
• Experience administering Red Hat Satellite for patch management and system lifecycle operations.
• Experience developing and maintaining Linux Kickstart configurations and standardized operating system images.
• Advanced Linux command‑line proficiency and strong Bash scripting capabilities.
• Experience implementing DISA STIGs, security hardening, and vulnerability remediation.
• Strong understanding of Linux networking fundamentals, including DNS, routing, and firewalls.
• Experience troubleshooting complex Linux infrastructure issues and performing root cause analysis.
• Familiarity with VMware or other enterprise virtualization platforms.
• Active Secret clearance and a favorably adjudicated Tier 5 background investigation.
• CompTIA Security+ certification and applicable DoD Cybersecurity Workforce (CSWF) qualification.

Preferred Qualifications:

• Experience supporting Navy or other DoD enterprise Linux environments.
• Experience with Red Hat Ansible Automation Platform (AAP) and Red Hat Identity Management (IdM).
• Experience integrating Linux systems with centralized authentication solutions.
• Experience with Python scripting and advanced Perl scripting.
• Familiarity with Splunk for log aggregation, analysis, and troubleshooting.
• Experience with Docker, Kubernetes, or other containerization technologies.
• Experience integrating infrastructure automation into CI/CD pipelines.
• Experience with enterprise storage technologies, including SAN/NAS and multipathing.
• Experience designing high‑availability and clustering solutions.
• Experience performing advanced kernel-level troubleshooting and system forensics.