Patch and Linux Administrator (Systems Administrator 3) 26079

Requisition Number: 26079 

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $87,990.00 - $100,000.00 

Security Clearance: Ability to Obtain  

Level of Experience: Mid 

Meet HII’s Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.

To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072

Come Join HII! Where Hard Stuff is Done Right!

We are seeking an experienced Patching and Linux Administrator III to join our infrastructure team. This role requires deep technical expertise in enterprise patch management and system administration across multiple operating systems, including Red Hat Enterprise Linux (RHEL), Ubuntu, and macOS. The ideal candidate will be responsible for managing comprehensive patch management operations, maintaining system health and security, and leveraging automation tools including Ansible and SaltStack to ensure efficient, secure, and compliant infrastructure operations.

Responsibilities: I want to and can do that!

Patch Management & Vulnerability Remediation
•    Plan, schedule, and execute enterprise-wide patch management cycles using BatchPatch or similar enterprise patching tools across RHEL, Ubuntu, and macOS environments
•    Develop and maintain comprehensive patch management policies, procedures, and schedules to minimize security vulnerabilities and ensure compliance
•    Coordinate monthly and quarterly patching windows, ensuring minimal disruption to business operations while maintaining security posture
•    Test patches in non-production environments before deploying to production systems to prevent system disruptions and compatibility issues
•    Monitor patch deployment status continuously, identifying failed deployments, and taking immediate corrective actions
•    Integrate patching workflows with Ansible and SaltStack for automated, orchestrated updates across heterogeneous environments
•    Troubleshoot failed patch deployments and develop comprehensive remediation strategies
•    Maintain and update system baselines and gold images with current patches
System Administration & Management
•    Design, implement, and maintain enterprise Linux systems running RHEL and Ubuntu distributions
•    Administer macOS systems in an enterprise environment, including integration with Linux infrastructure
•    Perform system installations, configurations, upgrades, and maintenance across all platforms
•    Monitor system performance, troubleshoot issues, and implement solutions to ensure optimal uptime and availability
•    Manage user accounts, permissions, and security policies across multiple operating systems
•    Maintain system documentation including patch histories, configuration changes, and system inventories
Infrastructure Automation & Configuration Management
•    Design, develop, and maintain Ansible playbooks and roles for system provisioning, configuration, patch deployment, and orchestration
•    Build and maintain SaltStack (Salt) states, pillars, and formulas for automated configuration management and patch automation
•    Implement infrastructure as code (IaC) principles using Ansible and Salt across heterogeneous environments
•    Develop and maintain automation scripts using Bash, Python, or other scripting languages to streamline patching and system management processes
•    Automate patch testing, validation, and rollback procedures
•    Create and maintain system documentation, runbooks, and standard operating procedures
•    Optimize and troubleshoot existing automation workflows for improved efficiency and reliability

Requirements: I have already done that or have it!

•    6 years relevant experience with Bachelors in related field; 4 years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant experience.
•    Minimum 5 years of progressive Linux administration experience
•    Minimum 3 years of dedicated patch management experience in enterprise environments