MTSI is seeking an experienced Software Systems Engineer Architect SME to provide high‑level technical leadership within our customer’s Software Branch . In this senior role, you will shape the vision, design, and implementation of advanced software system architectures that enable secure, scalable, and mission‑focused capabilities across the full system lifecycle—from initial concept and architecture through development, integration, deployment, operations, and transition to sustainment. The successful candidate will serve as a trusted software architecture authority, representing the customer and driving the strategic design and integration of software solutions into complex, multi‑system environments. Responsibilities include defining and maturing enterprise software architecture, developing modernization and integration strategies, establishing technical standards, ensuring compliance with applicable engineering policies and directives, and independently supporting the program office across all architectural planning, systems engineering, and technical execution activities.
Key Responsibilities
• Lead enterprise software architecture strategy and development, ensuring secure, scalable, and mission‑aligned solutions across the full system lifecycle.
• Define, refine, and govern software architecture requirements, standards, patterns, and reference models that guide system design, development, integration, and operations.
• Advise system owners, engineering teams, and leadership on architectural risks, technical impacts, performance considerations, interface dependencies, and compliance with applicable DoD and engineering standards.
• Assess new software capabilities, architectural updates, and modernization initiatives; recommend and validate optimal software system architecture solutions.
• Review, approve, and oversee architectural documentation including system architecture diagrams, interface control artifacts, enterprise reference models, modernization roadmaps, and integration architectures.
• Lead and validate architectural reviews, design assessments, and system evaluations to ensure software environments, interfaces, and components meet mission, security, and performance requirements.
• Prepare and deliver enterprise architecture assessments, modernization strategies, technical roadmaps, and recommendations to senior leadership and stakeholders.
• Apply sound software engineering principles, modular design practices, automation approaches, and modern architectural patterns across all phases of development, integration, and deployment.
• Evaluate software, network, and system architectures to identify scalability, resiliency, interoperability, and security considerations; recommend strategic mitigation and optimization approaches.
• Provide expert architectural guidance to teams developing new mission applications or modernizing legacy systems, ensuring alignment with enterprise architecture goals and long‑term system strategies.
• Identify and resolve complex system‑of‑systems engineering and architectural challenges as new software capabilities are integrated into diverse mission and data environments.
• Stay current on emerging software engineering technologies, architectural methodologies, design frameworks, and industry best practices to continuously evolve enterprise architecture strategy and capabilities.
This position requires deep technical expertise, a strong understanding of advanced software architecture and systems engineering principles, and the ability to translate complex mission and technical requirements into secure, scalable, and resilient software solutions. If you are a motivated professional with a passion for shaping and delivering enterprise‑level software architectures, we encourage you to apply
Qualifications:
• Possess a minimum of 20 years of relevant Department of Defense (DoD) work experience
• Have no less than three (3) years’ experience in a Special Access Program (SAP) and/or Sensitive Compartmented Information (SCI) environment within the last eight (8) years
• Possess a Master of Arts/Master of Science/Master of Engineering MA/MS/ME degree (Years of experience may be considered in lieu of a master’s degree).
• Experience and degree requirements must be in a field relevant to the functional area
Clearance Requirements :
● Must possess an active DoD Top Secret (TS) security clearance with ability to obtain SCI
● U.S. Citizenship is required for this position, due to contract requirements.
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