Principal Solutions Architect

Leidos is seeking aPrincipal Solutions Architectto join theAir Traffic Business Area within the Homeland Sector supporting the development of the Leidos Common Automation Platform (L-CAP) and Common Baseline. L-CAP is a mission-critical future-ready automation solution built on a hybrid cloud data mesh architecture. As a member of a large-scale Scaled Agile software development organization you will play a central role in shaping next-generation air traffic automation capabilities by bridging mission needs systems engineering rigor and Agile software delivery.

In this role you will serve as the Solution Architect and will use your deep expertise in service-based architectures (SOA/microservices) to support mission-critical programs. This role will lead the design of scalable secure and resilient architectures that align with federal standards cloud-first strategies and zero trust principles while enabling rapid delivery and modernization. This position is intended for experienced practitioners who can balance innovation with discipline in a highly regulated safety-critical environment.

This position is located in Gaithersburg MD. This is an opportunity to contribute to projects that impact millions of air travelers.

This is a hybrid position requiring 3 days onsite and 2 days working from home.

Key Responsibilities

• 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

Core Technical Qualifications:

• Bachelors 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 Masters 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

Preferred / Desired Qualifications

• Experience supporting federal civilian DoD or Intelligence Community customers

• Knowledge of event-driven architectures and streaming technologies (e.g. Kafka)

• Cloud certifications (e.g. AWS Solutions Architect Azure Solutions Architect)

• Familiarity with Zero Trust Architecture and identity-based security models

• Experience with Agile/SAFe development environments

• Background in data architecture analytics platforms or AI/ML integration

• Agile certifications (CSPO SAFe POPM)

Why Leidos

Youll work on systems where performance precision and reliability matter every second. This is not experimental AI for prototypes. This is disciplined responsible AI applied to mission-critical software that supports national infrastructure.

If youre excited by solving complex problems in regulated real-world environments and using AI as a force multiplier rather than a shortcut wed like to talk.

ATMC

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.