Principal Solutions Architect

Overview

Leidos is partnering with the Department of Defense’s Military & Family Life Counseling (MFLC) Program to deliver digital health, data, mobile, and enterprise IT platforms supporting military service members and their families worldwide. MFLC operates a multi-platform environment consisting of cloud infrastructure, mobile devices, enterprise applications, data platforms, analytics, and security controls that must function as a single integrated system.

Leidos is seeking a Principal Solutions Architect to serve as the technical authority for this environment, responsible for defining, integrating, and governing MFLC’s end-to-end architecture across applications, data, infrastructure, security, and integrations.

This is a hands-on leadership role that combines enterprise architecture, system integration, security, and delivery ownership across the full MFLC technology ecosystem.

MUST BE A U.S. CITIZEN

Primary Responsibilities

• Primary focus to design and implement health IT solutions for Leidos’ federal health customers with a focus on interoperability with external and community providers.
• Serve as the accountable technical authority for MFLC’s enterprise architecture across application, data, infrastructure, security, and integration domains
• Define and govern reference architectures, integration patterns, and technical standards for all MFLC platforms
• Architect and oversee solutions supporting PIC, SLA dashboards, finance systems, time sheets, mobile platforms, and analytics
• Design and govern API-based, service-oriented, and event-driven architectures integrating multiple internal and external systems
• Evaluate and recommend COTS, SaaS, and cloud solutions aligned to customer, compliance, and cost objectives
• Lead the design, integration, validation, and fielding of enterprise-scale solutions
• Ensure all solutions meet DoD, NIST, Zero Trust, IL-4+ cloud, and audit/compliance requirements
• Develop architecture artifacts including system diagrams, data flows, security models, executive briefings, and roadmaps
• Provide technical leadership across Data, Infrastructure, and Software Engineering teams
• Perform cost, risk, and trade-off analyses to guide platform and cloud investment decisions
• Partner with program leadership to ensure architecture supports schedule, budget, and SLA commitments
• Resolve highly complex problems using significant application of technical knowledge, conceptualizing, reasoning and interpretation.
• Architect the integration of commercial products and software solutions to meet functional requirements while working within the constraints of the client’s IT and cyber infrastructure.
• Effective communication style for leading daily engagement with external and internal stakeholders to facilitate project team’s efforts and remove roadblocks.
• Development and implementation of modern Data solutions and architectures using Superset or equivalent BI Platforms.
• Participation in Scrum sprint ticket fulfillment as required for data team, development, and Infrastructure.

MUST BE A U.S. CITIZEN

Required Qualifications

• BS degree with 12 - 15 years of prior relevant experience or Masters with 10 - 13 years of prior relevant experience. Consideration will be given for years of experience without a college degree.
• Must have advanced experience with C# and Microsoft .NET Framework, and experience with Git.
• Must have advanced Linux administration and AWS architecture experience to include RHEL and experience with risk and defense strategy development in a Gov-Cloud environment, configuring and deploying AWS environments to include servers, load balancers, VPCs, etc.
• Must have advanced experience with JavaScript, JS frameworks, and Vue.
• Must have advanced knowledge with relational and non-relational databases, SQL, Kafka, Trino, DBT, and BI solutions such as Tableau or Superset, and defining data models, data governance, and data quality frameworks.
• Experience with Identity and access management concepts, designing identity, access, logging, and audit architectures
• Experience designing multi-system enterprise platforms spanning application, data, identity, and infrastructure layers
• Experience building and governing reference architectures, integration patterns, and technical standards
• Experience designing API-driven architectures and event-driven systems for cross-team integration
• Experience supporting systems subject to DoD, NIST 800-53, FedRAMP, or RMF controls and ATO accreditation packages
• Experience designing enterprise data platforms (ingestion, transformation, analytics, and BI)
• Experience enabling executive dashboards, SLA tracking, and operational analytics
• Strong background in code review processes and architectural fitness functions to validate and maintain system quality.

Preferred Qualifications

• Cloud Architect experience (Amazon, Azure, OCI, GCP)
• TOGAF or equivalent Enterprise Architecture certification
• SAFe or other Agile and Mission Software certifications
• CISSP or CCSP (for cloud/security)

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

Original Posting

January 16, 2026

Pay Range

Pay Range: $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit Leidos.

Pay and Benefits

Pay and benefits are fundamental to any career decision. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at Leidos careers pay-benefits.

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Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, disability, or any other basis prohibited by law. Leidos will also consider qualified applicants with criminal histories consistent with relevant laws.