Senior RHEL Engineer

Senior RHEL Engineer

Requirements

• Ability to obtain DoD Security Clearance
• Ability to obtain Department of Homeland Security (DHS) Entry On Duty (EOD) – Active EOD preferred
• MA/MS + 10 years of applicable experience (or BA/BS + 13yrs or AA/AS + 15rs)
• Red Hat Certified System Administrator (RHCSA)
• Red Hat Certified Specialist in Ansible Automation
• ITILv4 Foundation certification (not required to start but expected to attain in first six months)
• Work on-call rotation to respond to incident escalations
• Expert troubleshooting of Amazon Linux, CentOS 7.4, CentOS 7.9, RHEL 6.1, RHEL 7.9, Ubuntu 18.04, and other Linux server operating systems
• Strong scripting and PowerShell skills
• Experience building, configuring, hardening Windows and Linux servers
• Experience using Service Now service management software (or similar tool) to document incidents and service requests

Responsibilities

• Serve as a Senior Linux Engineering team member responsible for troubleshooting and improving the RHEL environment.
• Design, develop, and maintain Ansible playbooks and roles for infrastructure automation
• Implement and manage configuration management using Ansible across our RHEL systems
• Troubleshoot and resolve complex issues in Ansible deployments and RHEL environments
• Optimize existing Ansible code and RHEL configurations for improved performance and efficiency
• Collaborate with other teams to integrate Ansible automation into CI/CD pipelines
• Manage and Maintain RHEL systems, including patch management, upgrades, and security hardening
• Provide technical leadership and mentorship to junior team members
• Stay current with industry trends, best practices, and developments in Ansible, RHEL, and related technologies
• Ensure compliance of current security policies and remediations.
• Proactively monitor and measure systems performance to detect trends and catch problems before users are impacted.
• Respond to systems alerts, triage, troubleshoot, and resolve incidents.
• Work closely with other support teams to ensure incident events are handled in a timely manner.
• Handle incoming technical escalations from Service Desk, Network Operations Security Center, Tier II, and other support teams.
• Document and map architecture of the current RHEL environment and support the development of a Infrastructure Automation roadmap
• Assist with postmortem related activities and support various efforts related to operational improvements.
• Based on recommendations from management, implement new and improved processes, change processes, perform new tasks, create reports, and address ad-hoc requests.
• Contribute to documentation in the Knowledge Base, Standard Operating Procedures (SOP), work instructions, and job aids.
• Continuously cross-train to also support other technical tasks and responsibilities.
• Perform additional duties as assigned.

Preferred Qualifications

• Previous DHS or DoD experience
• The following certifications are highly desired: Red Hat Certified Engineer (RHCE), Red Hat Certified Architect (RHCA), Red Hat Certified Specialist in Advanced Automation: Ansible Best Practices, Red Hat Certified Specialist in Ansible Network Automation, COMPTIA A+, or Network+, or Security+, Any other applicable Linux certifications
• Knowledgeable of Problem Management best practice and processes
• Prior experience with design, development, and management of cloud-based infrastructure, applications, and services in both the Commercial and Government Cloud space
• Significant experience with cloud platforms (AWS and Azure) and containerization technologies (Docker and Kubernetes)