Senior Linux Engineer

Resource Management Concepts, Inc.•Bethesda, MD

21h•$175,000 - $205,000•Onsite

About The Position

Resource Management Concepts, Inc. (RMC) is seeking a skilled Senior Linux Engineer to join their dynamic team in support of Navy clients in Carderock, Bethesda, Maryland. The successful candidate will be responsible for ensuring system stability and security, implementing innovative solutions, and managing the Red Hat Ansible Automation Platform (AAP). This role requires extensive experience in Linux system administration, Ansible, and scripting, with a strong focus on security compliance and automation. The position is located 100% on-site.

Requirements

Active Department of Defense Top Secret security clearance required.
Minimum 10 years of hands-on experience in Linux System Administration (RHEL/CentOS).
At least 3 years of specialized experience with Red Hat Ansible Automation Platform, including demonstrated proficiency in creating and managing Execution Environments (EEs) using ansible-builder, managing inventories, workflows, and job templates within Automation Controller, and developing custom Ansible Collections and reusable playbooks.
Strong proficiency in Python and Bash scripting for automation and system integration.
Experience hardening systems in accordance with DoD Security Technical Implementation Guides (STIGs) and NIST 800-53 standards.
Associate degree or higher in a technical or related field.
Compliance with IAT Level III baseline certification requirements.

Nice To Haves

Experience with containerization technologies such as Red Hat OpenShift, Kubernetes, or Docker.
Familiarity with automating workloads in Cloud environments (AWS, Azure, GovCloud).
Expert knowledge of Git/GitLab for version control and CI/CD workflows.
Red Hat Certified Specialist in Ansible Automation or Red Hat Certified Engineer (RHCE)

Responsibilities

Deploy, upgrade, and maintain the Red Hat Ansible Automation Platform (AAP) 2.x infrastructure, including Automation Controller, Private Automation Hub, and Execution Environments.
Write, test, and optimize complex Ansible playbooks and roles to automate patching, provisioning, and configuration management.
Configure Role-Based Access Control (RBAC) within AAP to ensure secure access for junior admins and developers.
Integrate AAP with external tools such as ServiceNow, Git repositories, satellite servers, and monitoring tools (Splunk/Dynatrace).
Lead the migration of legacy Tower/AWX workflows to the modern containerized AAP architecture.
Provide Tier 3 support for RHEL 8/9 servers in physical, virtual, and cloud environments.
Automate the application of DISA STIGs (Security Technical Implementation Guides) and remediate ACAS vulnerabilities using Ansible.
Orchestrate OS patching cycles and upgrades with minimal downtime.
Analyze system logs and performance metrics to resolve complex infrastructure issues.