> Markdown version of [/jobs/ext/3620387-application-architect](https://www.wearedevelopers.com/jobs/ext/3620387-application-architect). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Architect - **Company:** ATTAINX INC - **Location:** Arlington, VA, United States - **Experience:** Expert - **Salary:** $180,000.0 - $210,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Business Analytics Applications, Data Analysis, Cloud Engineering, Data Integrity, Extract Transform Load (ETL), Data Migration, Data Security, Monitoring of Systems, Identity and Access Management, OAuth, Power BI, Cloud Services, Zero Trust Network Access, Security Assertion Markup Language (SAML), Secure Coding, Enterprise Software Applications, Software Security, Technical Debt, Data Lakes, Api Design, Microservices - **Published:** October 8, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3010768797-2 ## About the Role * Enterprise application architecture design * Cloud-native and hybrid architectures * Microservices and API design * Saa * S integration * Data migration and ETL pipelines * Secure application design and Zero Trust * Identity and access management (OAuth 2.0, SAML) * Agile software delivery and Dev * Sec * Ops pipelines * Federal security and compliance (FISMA, Fed * RAMP, ATO) * Integration with analytics and monitoring tools (Service * Now, Elastic, Power BI) ## Description The Senior Application Architect - Federal designs secure, scalable applications supporting DHS CISA's Critical Infrastructure Collaboration Platform. The role defines target architectures, APIs, and integration patterns; plans data migration; and guides agile development teams on modernization, cloud services, and automation. The architect collaborates with security, infrastructure, and analytics teams to align with Federal security, privacy, and accessibility requirements in a hybrid remote/onsite environment., * Assess and document current application architectures, data models, interfaces, and dependencies to identify technical debt and risks. * Define target-state architectures, components, and APIs aligned with CISA enterprise and DHS security requirements. * Design and guide migration strategies, including validation, rollback, and transition procedures to protect data integrity. * Evaluate and recommend cloud services and Saa * S solutions, documenting security, performance, and cost trade-offs. * Collaborate on secure data pipelines, ETL processes, and integrations with data lakes and analytics platforms. * Incorporate cybersecurity, Zero Trust, Fed * RAMP, FISMA, PCII, and Section 508 requirements into application designs. * Review application code and CI/CD pipelines for architecture alignment and secure development practices. * Maintain architecture documentation, diagrams, workflows, and support knowledge transfer across teams.