Senior Linux Engineer

About the role

Resource Management Concepts, Inc. (RMC) delivers premier professional services to both government and commercial clients. We are committed to providing innovative management and technology solutions that help protect and preserve the people and environment of the United States. We are on the lookout for a skilled Senior Linux Engineer to join our dynamic team in support of our Navy clients in the unincorporated community of Carderock in Bethesda, Maryland. The successful candidate will play a pivotal role in ensuring the stability and security of our systems while implementing innovative solutions. This position is located 100% on-site.

Responsibilities

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

Requirements

• Security Clearance: Active Department of Defense Top Secret security clearance required
• Experience: Minimum 10 years of hands-on experience in Linux System Administration (RHEL/CentOS)
• Ansible Automation Platform (AAP): 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
  • Developing custom Ansible Collections and reusable playbooks
• Scripting: Strong proficiency in Python and Bash scripting for automation and system integration
• Security Compliance: Experience hardening systems in accordance with DoD Security Technical Implementation Guides (STIGs) and NIST 800-53 standards
• Education: Associate degree or higher in a technical or related field
• Certifications:
  • Compliance with IAT Level III baseline certification requirements
  • Red Hat Certified Specialist in Ansible Automation or Red Hat Certified Engineer (RHCE) (preferred)

Preferred Qualifications

• 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

Benefits

• Competitive paid vacation package with 11 paid federal holidays
• High-quality, low-deductible healthcare plans
• Pet insurance
• Competitive 401K package
• Tuition assistance and certifications to support career growth

Pay

Salary at RMC is determined by various factors, including but not limited to location, a candidate's specific combination of education, knowledge, skills, competencies, and experience, as well as contract-specific requirements. The current salary range for this position will be $175,000 to $205,000 (annually).