Senior IT Systems Engineer (Sysadmin) — Cyber Operations

US Defense Information Systems Agency; Washington (District of Columbia); On-site; USD 90,000 - 120,000; Full time

Job summary

The U.S. Defense Information Systems Agency (DISA) invites qualified applicants for a GG-13 cyber operations position within the CES structure, based in Washington, DC. This role supports critical mission activities for US Cyber Command.

Qualifications emphasize enterprise infrastructure design/operations, CI/CD automation, patch management, and PKI identity environments, with a focus on secure, automated IT services.

Qualifications

• Attention to detail in IT-related work and data accuracy.
• Experience maintaining relationships with customers and identifying IT products to meet needs.
• Ability to briefing mid-level management and IT staff on system status and technical information to a non-technical audience.
• Ability to identify alternatives and solve complex IT issues using diverse information sources.

Responsibilities

• Design or operate enterprise infrastructure platforms using virtualization and storage technologies.
• Develop CI/CD or GitOps strategies using automation tools (e.g., Terraform, Ansible, MECM).
• Ensure operational compliance through patch management, image deployment, and troubleshooting containerized or Windows environments.
• Design and operate enterprise domain, identity environments and PKI infrastructure with automation.

Skills

Attention to Detail

Customer Service

Oral Communication

Problem Solving

Job description

The U.S. Defense Information Systems Agency (DISA) invites qualified applicants for a GG-13 cyber operations position within the CES structure, based in Washington, DC. This role supports critical mission activities for US Cyber Command.

Qualifications emphasize enterprise infrastructure design/operations, CI/CD automation, patch management, and PKI identity environments, with a focus on secure, automated IT services.