Systems Administrator - TS/SCI with Polygraph

Job Description: 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 Skills: Job Qualifications: Linux Bash Scripting, NetApp (Data Platform), VMware vSphere Certifications: None Experience: 3 + years of related experience US Citizenship Required: Yes Job Description: SYSTEMS ADMINISTRATOR SENIOR The System Administrator will manage and maintain enterprise infrastructure systems including storage, virtualization, and cloud environments. This position requires hands-on technical expertise in NetApp and VMWare platforms, combined with automation and scripting capabilities to support patching, configuration management, and system accreditation processes. The administrator must be proficient in managing complex infrastructure environments while implementing automation solutions to enhance operational efficiency and security compliance. MEANINGFUL WORK AND PERSONAL IMPACT Administer and maintain NetApp storage systems to ensure optimal performance and availabilityManage VMWare virtualization infrastructure including vSphere/ESXi environmentsExecute hardware patching procedures across enterprise systems to maintain security and stabilityDevelop and maintain Ansible scripts for configuration management and automation workflowsCreate and optimize Bash scripts for system administration tasks and operational efficiencyImplement automation solutions for routine patching and maintenance of operating systemsSupport cloud infrastructure patching with automated processes and toolsManage PKI infrastructure and x509 certificate lifecycle across enterprise systemsAdminister LDAP directory services and authentication mechanismsSupport system accreditation processes including documentation and compliance validationMonitor system performance and proactively address potential issues before they impact operationsCoordinate and execute planned maintenance windows with minimal disruption to servicesDocument system configuration, procedures, changes, and troubleshooting stepsOperate as a DTO (Data Transfer Officer)Work closely with cross-functional teams to align infrastructure solutions with business objectivesProvide technical guidance and knowledge transfer to team membersSupport incident response and root cause analysis for infrastructure-related issues What You’ll Need To Succeed Bachelor’s Degree in Computer Science, Information Technology (IT), Computer Engineering, or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.At least three (3) years of current experience administering complex infrastructure systems including storage, virtualization, and cloud platformsExperience implementing automation solutions to improve operational efficiency and reduce manual interventionDemonstrated experience managing NetApp storage systems in enterprise environmentsProven expertise administering VMWare virtualization infrastructure (vSphere/ESXi)Hands-on experience with hardware patching procedures and maintenance operationsProficiency developing and maintaining Ansible scripts for configuration management and automationStrong Bash scripting skills for system administration and operational tasksDemonstrated expertise in PKI and v509 certificate management across enterprise systemsEstablished experience administering LDAP directory services and authentication systemsExperience managing cloud infrastructure patching with automation toolsFamiliarity supporting system accreditation processes and compliance documentationStrong understanding of Linux/Unix system administration principlesExperience with version control systems and code management best practicesPython scripting and programming experience for advanced automation solutionsPrior experience delivering infrastructure solutions that adhere to customer or IC data handling, compliance, and security requirementsExperience with infrastructure as Code (IaC) practices and tools (Terraform, CloudFormation)Familiarity with container technologies (Docker, Kubernetes) and orchestration platformsKnowledge of CI/CD pipeline integration for infrastructure automationExperience with cloud platforms (AWS, Azure or GCP) and cloud-native servicesUnderstanding of security frameworks (NIST, FedRAMP, FISMA) and compliance standardsExperience with monitoring and observability tools (Prometheus, Grafana, ELK stack)Familiarity with configuration management tools beyond Ansible (Puppet, Chef, Salt)Experience working with multiple external customers and adapting solutions to diverse requirements 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 opportunitiesSupport: An internal mobility team focused on helping you achieve your career goalsRewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time offCommunity: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. #VA_2026Alumni #GDITEnhanced2026 #GDITCareers #JET The likely salary range for this position is $106,275 - $143,782. 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. Scheduled Weekly Hours: 40 Travel Required: None Telecommuting Options: Onsite Work Location: USA VA Chantilly Additional Work Locations: Total Rewards At GDIT: 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. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. Our Identity Verification Process: As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work: 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