DevSecOps Software Developer Sr Principal

The DevSecOps Software Developer SME will design, build, troubleshoot, and maintain automation and integration capabilities for mission-focused cloud and software delivery environments. The engineer will reduce manual work, improve repeatability, support secure delivery, and document solutions.

Meaningful Work and Personal Impact

• Develop automation that improves consistency, reliability, and delivery speed.
• Support secure software delivery, operational sustainment, and compliance-driven engineering activities.
• Help convert engineering needs into practical scripts, tools, pipelines, documentation, and repeatable processes.
• Provide guidance to less experienced engineers and support team execution under the Cloud and Software Factory leads.

Key Duties and Responsibilities

• Apply expert knowledge across the software development lifecycle, including requirements analysis, design, implementation, testing, debugging, release, and sustainment.
• Design and maintain automation for infrastructure, CI/CD pipelines, operational support tasks, and integration workflows.
• Develop scripts, tools, services, and process improvements using common scripting, programming, automation, and cloud technologies.
• Analyze user and business needs, translate them into technical designs, and produce diagrams, workflows, and implementation plans.
• Create and maintain documentation, standard operating procedures, troubleshooting guides, and evidence artifacts.
• Support secure configuration management, vulnerability remediation, scan integration, and compliance support activities.
• Troubleshoot complex issues across application, operating system, infrastructure, cloud, network, identity, and CI/CD boundaries.
• May coach and provide guidance to less experienced professionals; may serve as a task lead.
• Perform additional duties as assigned in support of program delivery and operational sustainment.

What You Will Need to Succeed

• Ability to work independently under limited supervision and follow through on assigned engineering work.
• Practical automation experience with the judgment to build supportable, maintainable solutions.
• Strong troubleshooting skills and comfort working through incomplete requirements or logs.
• Ability to communicate technical decisions, risks, and status clearly to engineers and non-engineers.
• Understanding of security, documentation, change control, and operational stability in a mission environment.

Preferred Qualifications

• Experience in federal, DoW, cloud, classified, or other controlled environments.
• Experience with GitLab CI/CD or comparable pipeline platforms and source-control workflows.
• Experience with cloud automation, event-driven workflows, containerized applications, and infrastructure as code.
• Cloud, DevOps, security, or infrastructure certifications relevant to the role.

Operating Environment

• Engineering team supporting cloud infrastructure, software factory services, automation, security compliance, and production operations.
• Work may include both planned engineering buildout and troubleshooting of mission-impacting issues.
• The engineer will take technical directions from the Technical Delivery Manager, Deputy TDM, or Cloud/Software Factory lead as needed to complete required tasks.
• Collaborate with infrastructure, security, network, application, and customer teams.

Experience with scripting or software development, CI/CD or automation tooling, cloud or infrastructure services, source control, technical troubleshooting, and documentation.

DoW 8570/8140 baseline certification such as Security+ CE.

Top Secret

8+ years of related software development, automation, DevOps, cloud, systems engineering, or mission IT experience.

Exposure to PowerShell, Python, Bash, GitLab or similar CI/CD tools, containers, cloud services (Azure, AWS), infrastructure as code, security scanning, vulnerability remediation, and controlled or regulated environments.


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
• Flexibility: Full-flex work week to own your priorities at work and at home
• Community: Award-winning culture of innovation and a military-friendly workplace

Explore a career in software development at GDIT and you'll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation.

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