UnixLinux Systems Administrator 5

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.

Senior UNIX/Linux System Administrator / Team Lead (Level 5) emphasizing the need for a highly experienced professional to lead the organizations critical Linux and virtualized infrastructure. The role combines technical expertise leadership and strategic planning requiring the individual to drive major technology initiatives manage a team and ensure the security scalability and availability of the infrastructure.
Key Responsibilities:
Technical Team Leadership: Lead the UNIX/Linux administration team providing guidance mentoring and performance feedback.
Project Management: Oversee major infrastructure projects ensuring adherence to scope budget and timeline.
Process Improvement: Develop and enforce standardized operating procedures best practices and runbooks.
Vendor Management: Manage relationships with vendors and service providers evaluating new technologies.
System Architecture: Design deploy and maintain highly available scalable and secure on-premises and cloud-based Linux infrastructure.
Strategic Planning: Define the long-term roadmap for Linux and virtualization environments.
Advanced Troubleshooting: Serve as the final escalation point for complex system issues.
Automation & CI/CD: Drive the Infrastructure-as-Code (IaC) vision designing and implementing advanced automation frameworks.
Security & Compliance: Design and audit security configurations ensuring compliance with internal and external requirements.
Disaster Recovery: Architect and validate enterprise-grade Backup and Disaster Recovery (BDR) solutions.

Bachelors Degree and 14 years of relevant exempt experience; Masters Degree and 12 years of relevant professional experience; Ph.D. and 9 years of experience.

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

• NNS Apprentice School graduate
• Navy Nuclear Power School (NNPS) graduate
• Associates 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 Bachelors Degree.
• Education: Bachelors degree in Computer Science Information Technology or a related field; Masters degree preferred.
  Technical Expertise: Expert-level knowledge of AIX RHEL/Linux VMware vSphere automation and configuration management.
  Leadership & Soft Skills: Demonstrated history of successful project leadership exceptional problem-solving and superior communication skills.

Experience with Splunk: The ideal candidate should have hands-on experience with Splunk including:
Configuring and managing Splunk indexes including data retention rotation and archiving
Creating and managing Splunk dashboards reports and alerts to visualize and monitor machine-generated data
Writing and optimizing Splunk searches including the use of Splunk Query Language (SPL) and regular expressions
Utilizing Splunks data ingestion capabilities including configuring inputs outputs and forwarders
Implementing Splunks security features such as authentication authorization and encryption
Troubleshooting Splunk issues including data ingestion problems search performance and dashboard errors
Integrating Splunk with other tools and systems such as SIEM systems log management tools and IT service management software
Experience with Splunks add-ons and apps including the Splunk App for Enterprise Security and the Splunk Add-on for Linux
Familiarity with Splunks data models including the Common Information Model (CIM) and the Splunk Data Model
Knowledge of Splunks clustering and distributed search capabilities including configuring and managing indexer clusters and search heads
Experience with Splunks API and SDK including using the Splunk REST API and the Splunk Python SDK to automate tasks and integrate with other systems. This revised requirement provides a more detailed and specific description of the Splunk-related tasks and responsibilities that the candidate should be familiar with.

Experience with Ansible Automation: The candidate should have hands-on experience with Ansible including:
Creating and managing Ansible playbooks roles and templates to automate infrastructure and application deployment
Writing Ansible modules and plugins to extend Ansibles functionality
Utilizing Ansibles built-in features such as variables conditionals and loops to create dynamic and flexible playbooks
Managing and configuring Ansible inventories including static and dynamic inventories
Implementing Ansibles security features such as encryption and authentication to secure automation workflows
Troubleshooting Ansible playbook runs including debugging and error handling
Integrating Ansible with other tools and systems such as CI/CD pipelines monitoring systems and cloud providers
Experience with Ansible Tower or AWX including creating and managing jobs inventories and credentials
Familiarity with Ansibles best practices including playbook organization variable management and testing

Experience with IBM AIX: The candidate should have hands-on experience with IBM AIX including:
Installing configuring and managing AIX operating systems on IBM Power Systems hardware
Performing AIX system administration tasks such as user management file system management and network configuration
Troubleshooting AIX system issues including error analysis and resolution
Implementing AIX security features such as access control authentication and encryption
Managing AIX storage including LVM JFS and NFS
Utilizing AIX performance monitoring and tuning tools such as nmon and topas
Experience with AIX-specific commands such as smitty and smit
Familiarity with AIX virtualization technologies such as WPARs and LPARs