Senior System Architect – Appian & Cloud Solutions (DoD)

DSA Inc.; Washington (District of Columbia); On-site; USD 175,000 - 185,000; Full time

Job summary

DSA Inc. is seeking a System Architect to define and communicate the system architecture, non-functional requirements, integration approach, and technical roadmap across technologies. The role emphasizes secure, scalable, and adaptable capability delivery in DoD environments.

You will lead architectural decisions, guide Agile teams, and ensure alignment with enterprise standards while managing data architecture, cloud integration, and DevSecOps practices.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field.
• Appian Lead Developer certification and AWS security certifications preferred.
• 8+ years of systems architecture experience in DoD environments, including enterprise architecture, integration, and modernization.
• Extensive experience with Appian, Java, AWS EKS, high-availability design, interfaces for GEX/PRDS/PDS, and DevSecOps.
• Experience designing Appian enterprise architectures and solution frameworks.
• Ability to define technical standards and oversee implementation across the development lifecycle.

Responsibilities

• Define and maintain the ACWS system architecture, technical vision, and architectural runway.
• Establish solution enablers, non-functional requirements, integration patterns, and system design guidance for Agile teams.
• Guide technical implementation decisions to support scalability, maintainability, security, interoperability, and future technology adoption.
• Support feasibility and impact assessments for new technologies, capabilities, and emerging requirements.
• Communicate the architectural vision and coordinate with partners, stakeholders, and delivery teams to ensure coherent system evolution.

Skills

Appian

Java

AWS EKS

High-availability design

System integration

DevSecOps

Education

Bachelor's or Master's degree in Computer Science, Engineering, or related technical field

Appian Certified Lead Developer

AWS certification

CompTIA Security+

Tools

Appian

Java

AWS EKS

Cloud platforms

DevSecOps tooling

Job description

DSA Inc. is seeking a System Architect to define and communicate the system architecture, non-functional requirements, integration approach, and technical roadmap across technologies. The role emphasizes secure, scalable, and adaptable capability delivery in DoD environments.

You will lead architectural decisions, guide Agile teams, and ensure alignment with enterprise standards while managing data architecture, cloud integration, and DevSecOps practices.