Systems Administrator 3

Maintains smooth operation of multi-user computer systems, including coordination with network administrators. Interacts with users and evaluates vendor products. Makes recommendations to purchase hardware and software, coordinates installation and provides backup recovery. Develops and monitors policies and standards for allocation related to the use of computing resources. Ancillary duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space.

The UNIX/Linux System Administrator (Level 3) is a core contributor responsible for the hands-on management, maintenance, and optimization of critical on-premises infrastructure. This role focuses on operational stability, execution of projects, automation of routine tasks, and providing reliable support for the organization's Red Hat and virtualized environments.

Key Responsibilities

• Infrastructure Maintenance: Manage and maintain the VMware HPE SimpliVity hyperconverged infrastructure, performing routine tasks to ensure optimal performance and high availability.

• Linux Systems Operations: Configure, monitor, and actively troubleshoot Red Hat Enterprise Linux (RHEL) servers and environments. Serve as an escalation point for complex RHEL operational issues.

• Virtualization Support: Administer and maintain virtualization solutions using VMware vSphere and HPE SimpliVity platforms.

• Automation: Utilize scripting (e.g., Bash, Python) and configuration management tools (e.g., Ansible, Puppet) to automate routine system administration and deployment tasks, improving operational efficiency.

• System Health Monitoring: Implement, maintain, and respond to alerts from monitoring and logging tools to ensure continuous system performance and proactively address issues.

• Backup & Recovery: Execute and manage established backup, restoration, and disaster recovery processes.

• Security & Patching: Conduct regular patching, updates, and vulnerability remediation across Linux environments following established security protocols.

• Team Collaboration: Collaborate effectively with Development, Network, and other IT teams to ensure seamless integration and operation of IT systems.

Bachelor's Degree and 5 years of relevant exempt experience; Master's Degree and 3 years of relevant professional experience; Ph.D. and 0 years of experience.

One of the following may be used as an equivalent to Bachelor's Degree for Information Technology Related Positions Only:

• NNS Apprentice School graduate

• Navy Nuclear Power School (NNPS) graduate

• Associate's Degree or other formal 2 year program and 2 years of relevant exempt experience or 4 years of relevant non-exempt experience

• Military Paygrade E-5 or above military experience

• High School/GED and 4 years combined of Manufacturing, Shipbuilding, Trades, Military experience or other relevant exempt experience

• High School/GED and 8 years combined of Manufacturing, Shipbuilding, Trades, Military experience or other relevant non-exempt experience

• A relevant professional certification can be substituted for a Bachelor's Degree.

• • Education: Bachelor's degree in Computer Science, Information Technology, or a related technical field (or equivalent practical experience).* Experience: Minimum of 3-5 years of hands-on experience in systems administration, with at least 2 years specifically supporting VMware HPE SimpliVity and production Red Hat Enterprise Linux (RHEL) environments.

Nice to Have

• Technical Expertise:

• Solid proficiency with Simplivity administration, including system installation, configuration, and troubleshooting.

• Solid proficiency in RHEL/Linux operating systems, including system installation, configuration, and troubleshooting.

• Strong working knowledge of virtualization platforms (VMware vSphere) and hyperconverged infrastructure.

• Demonstrated proficiency in scripting and automation tools (e.g., Bash, Python, Ansible).

• Experience implementing and managing system monitoring tools.

• Familiarity with container concepts (Docker) and basic networking/storage principles.

• Soft Skills:

• Excellent problem-solving, analytical, and diagnostic skills.

• Strong communication (written and verbal) and teamwork skills.

• Ability to prioritize tasks, manage time effectively, and work independently with minimal supervision.

Desired (Bonus) Qualifications

• Experience with advanced configuration management tools (e.g., Puppet, Chef).

• Familiarity with public cloud platforms (AWS, Azure, or GCP).

• Basic working knowledge of Kubernetes orchestration.

• Relevant industry certifications (e.g., Red Hat Certified Engineer - RHCE)

With more than 25,000 employees - including third-, fourth- and even fifth-generation shipbuilders - HII's Newport News Shipbuilding (NNS) division is the largest industrial employer in Virginia. We're the sole designer, builder and refueler of U.S. Navy nuclear aircraft carriers and one of two providers of U.S. Navy nuclear submarines. Our diverse and innovative team of professionals ranges from skilled trades to project managers, engineers and software developers to solution architects, technical subject matter experts, and system users. Anchored in our rich, 135-year history, we collaborate together at the forefront of technology, manufacturing, and integration of the most powerful and survivable naval ships in the world. Want to be part of the team? Apply today! We look forward to meeting you., We build the world's most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. HII's diverse workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of America's top large company employers, we are a values and ethics driven organization that puts people's safety and well-being first. Regardless of your role or where you serve, at HII, you'll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career. Working at HII is more than a job - it's an opportunity to build a future. We offer comprehensive benefits including: medical, prescription drug, dental and vision plan choices, on-site health centers, tele-medicine, wellness resources, employee assistance programs, savings plan options (401K), financial education and planning tools, life insurance, tuition reimbursement, employee discounts, early childhood and post-secondary education scholarships, and more. Some benefits may vary depending on your specific division or work location. Together we are working to ensure a future where everyone can be free and thrive.