Senior Linux Systems Administrator

MEANINGFUL WORK AND PERSONAL IMPACT:

As a Senior Linux Systems Administrator, the work you'll do at GDIT will be impactful to the mission of supporting the CITS contract for USCENTCOM. You will play a crucial role in management, maintenance, and optimization of Linux-based servers in a complex enterprise environment with over 5,000 users, 1,000 servers, and 10,000 endpoints. Advance how our customers operate while you advance your career. Join GDIT as a Senior Linux Systems Administrator and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

• Oversee the deployment, configuration, and maintenance of Linux servers, virtual machines, and networking devices.
• Play a key role in troubleshooting server performance, ensuring security compliance, and addressing system availability issues.
• Collaborate with other IT teams to implement infrastructure solutions that meet operational requirements and contribute to the overall efficiency and security of the organization's systems.

WHAT YOU'LL NEED TO SUCCEED:

Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator Principal must have:

• Certification: Applicable DoD 8140 or DoD 8570 Certification
• Experience: 5+ years of related experience
• Technical skills:
  
  • Building, deploying, and maintaining Linux server environments.
  • Configuring and managing Linux services such as Apache, Nginx, DNS, DHCP, and LDAP.
  • Ensuring the proper functioning and security of web servers, including SSL/TLS certificate lifecycle management.
  • Tuning system performance, ensuring uptime, and maintaining detailed system documentation.
  • Implementing critical system patches and updates across Linux environments.
  • Troubleshooting, diagnosing, and resolving complex systems issues that may not have previously documented solutions.
  • Developing and enforcing system policies to optimize performance and security.
  • Collaborating with other IT teams to design and implement Linux-based solutions that align with organizational requirements.
  • Participating in system upgrades, migrations, and new deployments of Linux-based infrastructure.
  • Providing mentorship and technical guidance to junior administrators and team members to foster a deeper understanding of Linux systems.
  • Reviewing and preparing system documentation, process guides, and troubleshooting procedures.
  • Supporting projects aimed at improving the security, efficiency, or capability of the Linux environment.
  • Ensuring that problems are tracked, escalated, and resolved at the appropriate priority level.
  • Producing data sets and reports to inform management of system performance and process improvements.
• Desired Skills:
  
  • Red Hat Certified System Administrator (RHCSA) or higher.
  • ITIL 4 Foundation Certification.
  • Familiarity with USCENTCOM operational data systems, networks, and mission requirements.
• Security clearance level: TS/SCI clearance required.
• Role requirements:
  
  • Demonstrated proficiency in managing and troubleshooting Red Hat / CentOS Linux servers.
  • Proven experience in systems administration and infrastructure management.
  • Ability to review, modify, and prepare comprehensive documentation for systems administration tasks such as system configurations, troubleshooting guides, and best practices.

GDIT IS YOUR PLACE:

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

#ARMA

#CENTCOMCITS

Work Requirements