Senior Systems Administrator (TS/SCI) - Automation & Cloud

GCI; Chantilly; On-site; EUR 127,000 - 212,000; Full time

Job summary

GCI, based in Chantilly, VA, seeks a Systems Administrator (TS/SCI with Poly) to manage enterprise infrastructure including NetApp storage, VMware virtualization, and cloud environments. The role emphasizes automation, patching, and security compliance.

You will develop Ansible playbooks and Bash scripts, manage PKI/x509 and LDAP, support system accreditation, and coordinate maintenance with cross-functional teams to ensure mission-critical operations.

Qualifications

• Bachelor's degree or equivalent in a related technical field.
• At least three years of experience administering complex infrastructure.
• Experience with storage, virtualization, and cloud platforms.

Responsibilities

• Administer and maintain NetApp storage systems.
• Manage VMware virtualization infrastructure (vSphere/ESXi).
• Develop and maintain automation scripts (Ansible, Bash).
• Coordinate patching and maintenance of operating systems and cloud infrastructure.
• Manage PKI and x509 certificate lifecycle.
• Administer LDAP directory services and authentication.
• Support system accreditation and compliance documentation.
• Monitor performance and coordinate planned maintenance.

Skills

Automation scripting

NetApp storage

VMware vSphere/ESXi

Linux/Unix administration

PKI & x509 management

LDAP directory services

Cloud infrastructure patching

Bash scripting

Version control (Git) basics

Ansible scripting

Education

Bachelor's Degree in Computer Science or related field

Tools

Ansible

Terraform

CloudFormation

Docker

Kubernetes

Puppet

Chef

Git

Job description

GCI, based in Chantilly, VA, seeks a Systems Administrator (TS/SCI with Poly) to manage enterprise infrastructure including NetApp storage, VMware virtualization, and cloud environments. The role emphasizes automation, patching, and security compliance.

You will develop Ansible playbooks and Bash scripts, manage PKI/x509 and LDAP, support system accreditation, and coordinate maintenance with cross-functional teams to ensure mission-critical operations.