Principal Software Systems Architect

General information

Requisition # R66746 Locations USA-VA-Chantilly Posting Date 03/20/2026 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time

Description & Requirements

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH!

MANTECH seeks a motivated, career and customer-oriented Principal Software Systems Architect to join our team in Chantilly, VA. This role is 100% onsite.

Responsibilities include but are not limited to:

• Provide technical analysis and guidance on all aspects of application development, integration, and consolidation, covering functional and non-functional requirements.
• Architect and design modernized, efficient applications as legacy applications retire. Provide technical analysis of alternatives regarding use of platforms such as ServiceNow and SalesForce and tailored development. Provide technical guidance on application implementation, documentation, and sustainment.
• Develop and guide implementation of a modern data architecture spanning a range of data types, applications, access control requirements, and organizational data owners. Provide technical analysis and advice on application and operational environments.
• Validate IT infrastructure and other reference architectures for adherence to functional and non-functional requirements, including security guidelines and procedures. Recommend changes to enhance security and reduce risks.
• Facilitate and participate in business and IT alignment through stakeholder collaboration, driving business system strategies. Analyze business and operating models, market trends and the IT industry to determine their potential impact on the Sponsor’s enterprise business strategy, direction, and architecture.
• Manage, rationalize, and optimize the Sponsor’s business system, application, data, and information technology architecture. Plan, develop, and execute the Sponsor’s Enterprise Architecture (EA) solution strategy, consistent with security guidelines and EA industry standards.
• Validate IT infrastructure and other reference architectures for adherence to security guidelines and procedures and recommend changes to enhance security and reduce risks.

Minimum Qualifications:

• Bachelor’s degree in Software Engineering, Computer Science, Information Technology, or a related field
• 12 or more years of software development and engineering experience in large, complex, multi-application environments
• 7 or more years of software/systems architecture experience, including designing and integrating multiple systems, services, and appli