Senior Systems Administrator / Senior Linux Automation Engineer

Job Description

Job Description

Senior Systems Administrator / Senior Linux Automation Engineer

Location: Pensacola, FL

Must have an active Secret Clearance /Top Secret clearance

Node.Digital supports a U.S. Government customer on a mission critical program to design, build, deliver, and operate a next generation network operations environment. As part of CISA IT’s broader consolidation and modernization vision, this role contributes directly to the establishment of a centralized patching core team—a strategic initiative to standardize, streamline, and fortify patch management across multi cloud Linux environments.

We are seeking a Senior Linux Automation Engineer with strong automation, DevOps, and cloud integration experience to help shape and execute this forward leaning effort. This position plays a key role in enhancing cybersecurity posture, improving operational efficiency, and driving consistent, proactive patching practices across DOMino CISA IT systems.

Job Responsibilities:
•Standardize patch processes across CISA environments
•Prioritize critical updates aligned with CISA IT cybersecurity objectives
•Integrate automation and intelligent systems to reduce manual effort
•Strengthen collaboration between DOMino teams, government sponsors, and tenants
•Improve transparency, metrics, and operational agility
•leverage deep technical expertise to automate patch deployment and optimize system performance
•support multi‑cloud environments while contributing to the development of enterprise‑wide patching standards and best practices
•Engineer and maintain Linux system architectures (primarily RHEL 8/9/10
•Perform OS security hardening, patching, and lifecycle maintenance
•Manage backup, recovery, and configuration documentation to ensure system integrity
•Engineer the design and implementation of standardized patching methodologies across AWS, AZURE, Google Cloud environments
•Automate patch identification and deployment using tools such as Ansible and other IaC frameworks
•Prioritize and execute critical updates in alignment with CISA IT Patch Management Guidelines
•Assist in baseline assessments to identify process gaps, inefficiencies, and automation opportunities
•Participate in efforts to refine patching workflows, metrics, and operational processes.
•Integrate AWS, AZURE and Google native services to enhance performance, resilience, and scalability of patching and DevOps infrastructure
•Evaluate and implement AI capabilities to automate patch management processes
•Contribute to enterprise cloud and DevOps standards, guidelines, and best practices
•Serve as a central conduit between DOMino teams, government sponsors, and tenants during patching cycles
•Establish and track metrics such as patch compliance, deployment timelines, and automation achievements
•Participate in weekly/bi‑weekly reviews to ensure alignment with evolving operational priorities
•Support iterative improvements based on stakeholder feedback and operational data.

Requirements

Required Skills:
•Must be a US Citizen
•Must have an active Secret clearance and be able to obtain a TS/SCI clearance
•Must be able to obtain DHS Suitability
•6+ years of Linux systems engineering experience (RHEL 8/9/10 preferred
•Strong background in Linux Engineering and Automation
•Experience with performance tuning and troubleshooting across compute, network, and storage layers
•Hands‑on experience with Red Hat Satellite, Ansible, or similar configuration management tools.

Desired Skills:
•Experience with Infrastructure as Code (Ansible Automation Platform
•Experience in development environments
•Experience with SELinux, multilevel security systems, or Cross Domain Solutions
•AWS, AZURE, Google experience, including understanding of the Well‑Architected Framework; AWS, AZURE or Google Cloud certification preferred

Required Education:
•Bachelor’s degree in systems engineering, Computer Science, Information Systems or related technical field. Two years of related work experience may be substituted for each year of degree level education.

Desired Certifications:
•DoD 8570.1 IAT Level II
•Red Hat Certified Engineer (RHCE)
•Managing Automation with Ansible Automation Platform

Benefits

We are proud to offer competitive compensation and benefits packages to include

• Medical
• Dental
• Vision
• Basic Life
• Health Saving Account
• 401K matching
• Three weeks of PTO/Sick
• 11 Paid Holidays
• Pre-Approved Online Training