Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology, Inc.; Chantilly (VA); On-site; USD 106,000 - 144,000; Full time

Benefits offered by this job

AI career guidance

Internal mobility support

Total rewards package

Military-friendly workplace

Job summary

General Dynamics Information Technology, Inc. in Chantilly, VA seeks a Senior Systems Administrator to manage enterprise storage, virtualization, and cloud environments. You’ll implement automation, patching, and security-compliant operations using NetApp, VMware, Ansible, Terraform, Docker, and Kubernetes.

You’ll contribute to PKI, LDAP, and accreditation efforts while collaborating with cross‑functional teams to meet business objectives and improve resilience.

Qualifications

• Bachelor’s degree in a technical field or equivalent experience.
• 3+ years administering complex infrastructure including storage, virtualization and cloud platforms.
• Experience automating infrastructure and patching processes.
• Proven NetApp storage administration in enterprise environments.
• VMware vSphere administration expertise.
• Proficient in scripting and automation (Ansible, Bash, Python).
• Experience with IaC tools and cloud platforms; PKI and LDAP experience.

Responsibilities

• Administer NetApp storage systems for performance and availability.
• Manage VMware virtualization (vSphere/ESXi).
• Execute hardware patching across enterprise systems.
• Develop Ansible scripts for configuration management and automation.
• Create and optimize Bash scripts for admin tasks.
• Implement automation for OS patching and maintenance.
• Support cloud infrastructure patching with automation tools.
• Manage PKI and x509 certificate lifecycle.
• Maintain LDAP directory services and authentication.
• Support system accreditation documentation and compliance.
• Monitor performance and address issues proactively.
• Coordinate maintenance windows with minimal disruption.
• Document configurations, procedures, and troubleshooting steps.
• Collaborate with teams to align infra solutions with business goals.
• Provide knowledge transfer to teammates.
• Support incident response and root cause analysis.

Skills

Linux Bash Scripting

NetApp (Data Platform)

VMware vSphere

Ansible scripting

Bash scripting

PKI / certificate management

LDAP directory services

Infrastructure as Code (Terraform)

CloudFormation

Docker

Kubernetes

CI/CD tooling

Python scripting

Monitoring (Prometheus/Grafana/ELK)

Education

Bachelor’s Degree in Computer Science/IT/Engineering

Tools

VMware vSphere

NetApp

Ansible

Terraform

CloudFormation

Docker

Kubernetes

Prometheus

Grafana

ELK

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 Job Qualifications: Skills: 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 availability

Manage VMWare virtualization infrastructure including vSphere/ESXi environments

Execute hardware patching procedures across enterprise systems to maintain security and stability

Develop and maintain Ansible scripts for configuration management and automation workflows

Create and optimize Bash scripts for system administration tasks and operational efficiency

Implement automation solutions for routine patching and maintenance of operating systems

Support cloud infrastructure patching with automated processes and tools

Manage PKI infrastructure and x509 certificate lifecycle across enterprise systems

Administer LDAP directory services and authentication mechanisms

Support system accreditation processes including documentation and compliance validation

Monitor system performance and proactively address potential issues before they impact operations

Coordinate and execute planned maintenance windows with minimal disruption to services

Document system configuration, procedures, changes, and troubleshooting steps

Operate as a DTO (Data Transfer Officer)

Work closely with cross-functional teams to align infrastructure solutions with business objectives

Provide technical guidance and knowledge transfer to team members

Support 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 platforms

Experience implementing automation solutions to improve operational efficiency and reduce manual intervention

Demonstrated experience managing NetApp storage systems in enterprise environments

Proven expertise administering VMWare virtualization infrastructure (vSphere/ESXi)

Hands-on experience with hardware patching procedures and maintenance operations

Proficiency developing and maintaining Ansible scripts for configuration management and automation

Strong Bash scripting skills for system administration and operational tasks

Demonstrated expertise in PKI and v509 certificate management across enterprise systems

Established experience administering LDAP directory services and authentication systems

Experience managing cloud infrastructure patching with automation tools

Familiarity supporting system accreditation processes and compliance documentation

Strong understanding of Linux/Unix system administration principles

Experience with version control systems and code management best practices

Python scripting and programming experience for advanced automation solutions

Prior experience delivering infrastructure solutions that adhere to customer or IC data handling, compliance, and security requirements

Experience with infrastructure as Code (IaC) practices and tools (Terraform, CloudFormation)

Familiarity with container technologies (Docker, Kubernetes) and orchestration platforms

Knowledge of CI/CD pipeline integration for infrastructure automation

Experience with cloud platforms (AWS, Azure or GCP) and cloud-native services

Understanding of security frameworks (NIST, FedRAMP, FISMA) and compliance standards

Experience 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 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

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.

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