Senior AI Platform Engineer & Agent Systems Lead

Leidos; Oregon; Hybrid; USD 108,000 - 195,000; Full time

Job summary

Leidos, a leader in mission-critical platforms, seeks a Senior Software Engineer / Technical Lead to design, build, and evolve scalable systems and AI-enabled services. You will lead architectural decisions, mentor engineers, and ensure security and compliance are integrated throughout the development lifecycle.

In this hands-on role, you will write code, develop agents, and drive CI/CD integration while collaborating with systems engineers and ISSEs to deliver robust, auditable platforms that

Qualifications

• BS degree and 8+ years of professional software engineering experience.
• Experience designing and building complex or distributed systems.
• Hands-on backend services and microservices development.
• Experience with AI/ML systems and production LLM integrations.
• Cloud-native architectures and Infrastructure as Code.
• Experience in secure, regulated, or compliance-driven environments.
• Ability to bridge software, systems engineering, and security disciplines.
• Strong technical communication and leadership skills.
• Must maintain a Secret security clearance.

Responsibilities

• Design, develop, and maintain distributed systems and microservices (hands-on coding role).
• Build, integrate, and evolve intelligent agents and AI-enabled services using LLMs and automation frameworks.
• Define and implement patterns for agent orchestration, system interaction, and decision workflows.
• Drive adoption of Infrastructure as Code, automation, and 'controls-as-code' practices.
• Partner with systems engineers and ISSEs to embed requirements and security into platform design and code.
• Establish development standards for GitHub-based collaboration, testing, and documentation.
• Mentor mid-level engineers through code reviews, pairing, and technical guidance.
• Lead integration of CI/CD pipelines, security tooling, and ATO considerations into everyday development.
• Collaborate with stakeholders to translate mission and operational needs into scalable technical solutions.
• Contribute to an 'everything as code' approach, expressing infrastructure, automation, agent behavior, workflows, and operational artifacts as version-controlled, testable code.
• Define and promote patterns for expressing intent, requirements, automation, and controls as code.

Skills

Distributed systems design

Backend services

AI/ML integration

Cloud-native architectures

Security clearance

Technical leadership

Education

BS degree

Job description

Leidos, a leader in mission-critical platforms, seeks a Senior Software Engineer / Technical Lead to design, build, and evolve scalable systems and AI-enabled services. You will lead architectural decisions, mentor engineers, and ensure security and compliance are integrated throughout the development lifecycle.

In this hands-on role, you will write code, develop agents, and drive CI/CD integration while collaborating with systems engineers and ISSEs to deliver robust, auditable platforms that