Software Engineer III with TS/SCI Polygraph

Deloitte’s AI & Engineering team is seeking a Software Engineer III to build secure, scalable process engineering and automation solutions. The role supports work across CI/CD, AI-enabled development, and security review artifacts designed for Authority to Operate (ATO) readiness.

Role Focus

As a Software Engineer III, you will help deliver automation and engineering solutions spanning AI, robotic process automation, agents, and scripting tools. The position emphasizes CI/CD practices with automated testing and security reviews, secure development across the SDLC, and production of ATO-ready security documentation.

Key Responsibilities

• Design, build, and maintain CI/CD pipelines that incorporate automated testing and security review checkpoints.
• Establish and enforce application hardening standards across scripts, platform automations, and AI-enabled web applications.
• Conduct security reviews for new development work and generate ATO-ready artifacts, including System Security Plan (SSP) sections, control evidence, and Plan of Action and Milestones (POA&M) inputs.
• Integrate AI-assisted development and testing tools into team workflows; document best practices and train peers on secure development methods.
• Maintain development and production environments, perform secure code reviews, monitor security events, and drive remediation while advancing a shift-left testing culture.

Required Qualifications

• Bachelor’s degree.
• 4+ years of experience in application development, including test-driven development.
• 4+ years of experience with Python.
• 4+ years of experience across the software development life cycle (SDLC).
• 4+ years of experience in security operations and application security practices.
• Active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance with polygraph.
• Ability to travel 10-25%, on average, based on work and client and industry or sector needs.
• Legally authorized to work in the United States without employer sponsorship, now or in the future.

Preferred Experience

• Designing and maintaining CI/CD pipelines.
• Producing ATO documentation, including SSP sections, control evidence, and POA&M inputs.
• Using GitHub Copilot or large language model (LLM)-based development and test generation tools.
• Conducting secure code reviews for Python, HTML/CSS, .NET, and PowerShell applications.
• Establishing application hardening standards for web applications, automations, or scripts.
• Monitoring production environments for security findings and driving remediation to closure.

Technologies

• Python
• CI/CD
• AI-enabled web applications
• GitHub Copilot
• Large language model (LLM)-based development and test generation tools
• HTML/CSS
• .NET
• PowerShell applications

Location and Work Style

Baltimore, MD (onsite).

Compensation

USD 119,000 - 198,400 per year.

Benefits

You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, where any award depends on various factors, including individual and organizational performance.

Team and Delivery Context

• Deloitte’s Government & Public Services (GPS) practice focuses on impact through people, ideas, technology, and outcomes.
• Engineering as a Service provides end-to-end design, implementation, and technology operations using core engineering expertise.
• Support includes transforming engineering teams, modernizing technology, and delivering complex programs with a product engineering mindset.
• Flexible delivery models include traditional teams, pools, or pods tailored to client needs.

Travel

Travel of 10-25% on average may be required depending on work and client and industry or sector demands.