# Senior Systems Administrator

**Company**: GDIT
**Location**: Chantilly, VA
**Work arrangement**: onsite
**Experience**: senior
**Job type**: full-time
**Salary**: $106,275 - $143,782
**Category**: IT
**Industry**: Technology

**Apply**: https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-VA-Chantilly/Systems-Administrator---TS-SCI-with-Polygraph_RQ230794-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_42aa5273-0f1

## Description

We are seeking a Senior Systems Administrator to manage and maintain enterprise infrastructure systems including storage, virtualization, and cloud environments. The successful candidate will have hands-on technical expertise in NetApp and VMWare platforms, combined with automation and scripting capabilities to support patching, configuration management, and system accreditation processes.

Responsibilities:

- 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

Requirements:

- 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

## Skills

### Required
- Linux
- Bash Scripting
- NetApp
- VMware vSphere
- Ansible
- PKI
- LDAP
- Cloud Infrastructure

### Nice to have
- Python scripting
- Infrastructure as Code (IaC)
- Container technologies
- CI/CD pipeline integration
- Monitoring and observability tools

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Source: [Apply at gdit.wd5.myworkdayjobs.com](https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-VA-Chantilly/Systems-Administrator---TS-SCI-with-Polygraph_RQ230794-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)