On-Site Application Architect — Security & Cloud (Arlington)

SiloSmashers; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

SiloSmashers is seeking an Application Architect to design, integrate, and modernize mission-critical DHS CISA applications. Lead technical architecture standards, ensure security compliance, and guide development teams through implementation.

Responsibilities include defining architectures, ensuring scalability and reliability, and collaborating with analysts, developers, and cloud engineers to meet DHS needs. Strong security knowledge required.

Qualifications

• Bachelor's degree in CS/Engineering or related field; master's preferred.
• 8+ years of experience in application design and architecture.
• Experience with enterprise software design, system integration, and cloud environments (AWS GovCloud, Azure Gov).
• Strong understanding of NIST, DHS, and FedRAMP security frameworks.
• Professional certification (AWS/Azure Architect, CISSP or equivalent) required.
• Excellent communication and collaboration with both technical and non-technical stakeholders.

Responsibilities

• Define and document enterprise application architectures and integration strategies.
• Lead system design to ensure scalability, reliability, and security.
• Collaborate with business analysts, developers, and cloud engineers to align solutions with DHS mission needs.
• Support modernization initiatives, including cloud migration and Zero Trust adoption.
• Conduct technical reviews, validate solutions, and provide guidance on secure coding practices.
• Prepare system documentation, architecture diagrams, and interface specifications.

Skills

Communication

Secure coding practices

Technical leadership

Education

Bachelor's degree in Computer Science or related field

Master's degree preferred

Tools

AWS GovCloud

Azure Gov

Job description

SiloSmashers is seeking an Application Architect to design, integrate, and modernize mission-critical DHS CISA applications. Lead technical architecture standards, ensure security compliance, and guide development teams through implementation.

Responsibilities include defining architectures, ensuring scalability and reliability, and collaborating with analysts, developers, and cloud engineers to meet DHS needs. Strong security knowledge required.