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
