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Leidos

Principal Solutions Architect

Leidos

. Lead architecture design for service-based and microservices solutions supporting federal mission systems .

Posted 5/1/2026full-timeGaithersburg • Maryland, New Jersey • 🇺🇸 United StatesLead💰 $131,300 - $237,350 per yearWebsite

Tech Stack

Tools & technologies
AWSAzureCloudDistributed SystemsDockerGoogle Cloud PlatformKubernetesMicroservicesOpenShift

About the role

Key responsibilities & impact
  • Lead architecture design for service-based and microservices solutions supporting federal mission systems
  • Define and enforce architecture standards, reference architectures, and design patterns across programs
  • Partner with program managers, engineers, and customers to translate mission needs into scalable technical solutions
  • Design and guide implementation of API-first, loosely coupled, and event-driven architectures
  • Support cloud adoption and migration efforts (AWS, Azure, GCP), including hybrid and multi-cloud environments
  • Ensure compliance with federal security requirements (e.g., NIST, FedRAMP, Zero Trust Architecture)
  • Provide technical leadership in DevSecOps, CI/CD pipelines, and infrastructure as code (IaC)
  • Conduct architecture reviews, trade studies, and technology evaluations
  • Mentor engineering teams and promote best practices in distributed systems and integration patterns
  • Support capture and proposal efforts by contributing to technical volumes and solutioning

Requirements

What you’ll need
  • Bachelor’s degree in Computer Science, Engineering, or related field (additional experience may be considered in lieu of degree)
  • 12+ years of experience in software development or systems engineering (or 10+ years of experience with a Master's degree) and 5+ years in architecture roles
  • Demonstrated experience designing and implementing service-based architectures (SOA, microservices)
  • Strong experience with API design (RESTful services), service integration, and messaging frameworks
  • Hands-on experience with at least one major cloud platform (AWS, Azure, or GCP)
  • Knowledge of containerization and orchestration (Docker, Kubernetes/OpenShift)
  • Familiarity with DevSecOps practices, CI/CD tools, and automation frameworks
  • Understanding of federal security frameworks (NIST 800-53, RMF, FedRAMP)
  • Strong written and verbal communication skills, including customer engagement
  • Ability to obtain and maintain a Public Trust U.S. citizenship required
  • Successful completion of background investigations as required by the government customer.

Benefits

Comp & perks
  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement

ATS Keywords

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Hard Skills & Tools
architecture designservice-based architecturesmicroservicesAPI designRESTful servicesDevSecOpsCI/CD pipelinesinfrastructure as codecontainerizationorchestration
Soft Skills
technical leadershipmentoringcommunicationcustomer engagement
Certifications
Bachelor's degreeMaster's degreePublic Trust