Leidos · 14 hours ago
Senior Software Engineer – Intelligent Platforms & Agents
United States
Full-time
Remote
Senior Level, Lead/Staff
$108K/yr - $195K/yr
8+ years expLeidos is advancing mission-critical platforms that simulate and interact with complex environments. The Senior Software Engineer is a hands-on technical leader responsible for building and evolving platforms, focusing on AI-driven interactions and automation while mentoring engineers and ensuring compliance in development practices.
National DefenseGovernmentElectronicsSoftwareInformation TechnologyComputerInformation ServicesNational Security
No H1B
Security Clearance RequiredU.S. Citizen Only
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
Qualification
Required
Must have and maintain a Secret security clearance
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
Preferred
Experience building agent-based or autonomous systems in production
Familiarity with AI orchestration frameworks and patterns (e.g., tool-using agents, multi-agent systems)
Experience supporting ATO through automation, documentation, and technical leadership
Background mentoring engineers and leading technical decision-making
Passion for applying AI and automation to real-world operational challenges
Experience applying 'as code' approaches beyond infrastructure (e.g., configuration-as-code, policy-as-code, workflows-as-code, documentation-as-code)
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
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2025-12-16
2025-12-16
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