Systems Administrator 3

The System Administrator shall be responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution for all the compute, network, memory, and storage system components. In addition, the System Administrator shall maintain the system security integrity and configure network components, along with implementing operating systems enhancements to improve reliability and performance.

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Bash (Scripting Language), COTS Implementations, Linux Command, Python (Programming Language) Certifications: None Experience: 15 + years of related experience US Citizenship Required: Yes Job Description, Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator must have:

• Education: Technical Training, Certification(s) or Degree
• Experience: 15+ years of related experience
• Security clearance required: TS/SCI w/ Polygraph, * Experience using the Linux CLI
• Experience developing scripts using Bash/Python
• Experience in performing System Administration including installation, configuration, and support of COTS/GOTS/FOSS software in a large-scale Linux cluster environment
• General technical knowledge regarding compute, network, memory, and storage system components
• Experience with Red Hat Satellite systems management solution
• Familiarity using Splunk for ingesting, indexing, searching, monitoring, and analyzing big data
• Experience with the sustainment and support of large Linux clusters including day-to-day operations, monitoring and problem resolution
• Experience configuring and sustaining VMware ESXi/Virtualization environments
• Experience with IaC (Infrastructure as Code) principles and automation tools such as SaltStack and Ansible
• Experience with corporate STE/STN security compliance policies and procedures
• Experience using system monitoring tools such as HPE One View and Nagios
• Experience with containerization technologies such as Docker, * Experience with container orchestration technologies such as Kubernetes
• Experience with distributed files systems such as Weka, CEPH, GPFS, and HDFS
• Experience with the Atlassian Suite of Tools such as Jira and Confluence

• 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, and competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace
• Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.
• To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.

The likely salary range for this position is $202,300 - $273,700. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world.