Senior AI Agents & Intelligent Platforms Engineer (Remote)

Leidos; Reston (VA); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos in Reston, Virginia, seeks a Senior Software Engineer / Technical Lead to hands-on build platforms that simulate complex systems, automate operations, and enable AI- and agent-driven interaction across mission-critical environments. You will code, design architectures, mentor engineers, and ensure software, infrastructure, security, and compliance are integrated in a cohesive development lifecycle.

This role blends deep individual contribution with technical leadership, guiding teams

Qualifications

• BS degree and 8+ years of professional software engineering experience.
• Demonstrated experience designing and building complex or distributed systems.
• Strong hands-on experience developing backend services and microservices.
• Experience working with AI/ML systems, including LLM integration in production environments.
• Strong background in cloud-native architectures and Infrastructure as Code.
• Experience delivering software in secure, regulated, or compliance-driven environments.
• Ability to bridge software development, systems engineering, and security disciplines.
• Strong technical communication and leadership skills.
• Must have and 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 closely 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, enabling consistency, traceability, and automation across the development lifecycle

Skills

Distributed systems design

Backend services development

AI/ML systems experience

Cloud-native architectures

Security/compliance-aware development

Technical leadership

Security clearance

Education

BS degree

Tools

GitHub

Job description

Leidos in Reston, Virginia, seeks a Senior Software Engineer / Technical Lead to hands-on build platforms that simulate complex systems, automate operations, and enable AI- and agent-driven interaction across mission-critical environments. You will code, design architectures, mentor engineers, and ensure software, infrastructure, security, and compliance are integrated in a cohesive development lifecycle.

This role blends deep individual contribution with technical leadership, guiding teams