Sr. Systems Architect - DHS

cFocus Software seeks a Sr. Systems Architect to join our program supporting the Department of Homeland Security (DHS). This position is remote. This position requires a Public Trust Clearance. Qualifications: Bachelor’s or master’s degree in IT, Computer Science, Geography or a related field. 12+ years of progressively responsible systems, software, or enterprise architecture experience, including at least eight years supporting GIS/geospatial platforms and five years leading architecture for complex enterprise or cloud solutions. Demonstrated architecture and engineering experience with Esri Portal/ArcGIS Enterprise, ArcGIS Online, geospatial services, enterprise geodatabases, custom web applications, and AWS or comparable cloud environments. Strong knowledge of systems engineering, requirements, integration, verification/validation, configuration management, DevSecOps, networking, identity/access, databases, APIs, observability, backup/recovery, and lifecycle operations. Experience evaluating and integrating COTS/GOTS products and leading proofs of concept, alternatives analyses, technical reviews, modernization roadmaps, and architecture governance. Working knowledge of .NET/C#, Python, JavaScript/web technologies, Esri APIs/SDKs, REST, SQL, Git-based workflows, automated testing, and infrastructure/configuration practices. Ability to produce clear architecture diagrams, technical specifications, decision records, test evidence, executive briefings, SOPs, and lifecycle documentation. Excellent technical leadership, analytical, communication, facilitation, mentoring, and stakeholder-management skills; ability to satisfy DHS suitability, background-investigation, EOD, security, and access requirements. TOGAF, AWS Certified Solutions Architect — Professional, INCOSE CSEP/ESEP, Esri enterprise system design/administration certification, CISSP, or comparable credential. Experience supporting DHS or another federal homeland-security, public-safety, emergency-management, critical-infrastructure, defense, or intelligence mission. Experience with DHS enterprise architecture and SELC governance, FISMA/ATO and continuous monitoring, IPv6 transition, Section 508, privacy, and federal records requirements. Experience architecting highly available public/private cloud integrations, large-scale geospatial information sharing, situational-awareness platforms, and automated data pipelines Duties: Develop, maintain, and communicate current-state, target-state, transition, logical, physical, data, application, integration, security, and deployment architecture products for enterprise and operational geospatial capabilities. Assess geospatial business objectives and existing environments; perform gap analyses; identify business and technical requirements; evaluate alternatives, technical trends, constraints, costs, risks, dependencies, and lifecycle impacts. Recommend technology standards, reference architectures, modernization roadmaps, reusable services, and practical implementation approaches aligned with DHS mission goals and enterprise architecture. Advise on network processing, client/server and relational database structures, storage, access, system integration, application interfaces, cloud services, and resilient network solutions Lead requirements analysis and management, system design, integration, verification and validation, configuration management, deployment, operations, maintenance, enhancement, and decommissioning activities. Establish technical baselines, interface definitions, traceability, architecture decision records, design reviews, acceptance criteria, and engineering evidence across the Systems Engineering Life Cycle (SELC). Identify architecture and engineering risks early; coordinate mitigations and trade studies; ensure designs support scalability, reliability, maintainability, availability, continuity, and operational suitability. Provide senior technical direction and mentoring to developers, engineers, administrators, analysts, testers, data specialists, and support personnel. Architect and integrate Esri Portal/ArcGIS Enterprise, ArcGIS Online, custom applications, geospatial services, data stores, and approved COTS/GOTS components in AWS and DHS-managed environments. Coordinate technical dependencies with the DHS Enterprise Cloud Provider, OneNet, DHS Data Centers, commercial AWS providers, and emerging Government hosting environments. Design secure service interfaces and integration patterns using APIs, REST services, event/batch workflows, identity and access controls, logging, monitoring, backup, recovery, and configuration automation. Ensure infrastructure, application designs, operational systems, subsystems, and integrations support native IPv6 and/or dual-stack IPv6/IPv4 as required. Provide technical expertise designing, developing, enhancing, testing, debugging, and implementing GIS software in accordance with software-development best practices. Research, test, build, and coordinate conversion or integration of new COTS and GOTS products based on Government requirements. Research emerging geospatial, cloud, automation, analytics, and artificial-intelligence technologies; build and evaluate proof-of-concept capabilities and recommend viable enterprise or operational solutions. Guide architectural use of .NET/C#, Python/Jupyter notebooks, Esri APIs/SDKs, ArcGIS API for JavaScript, Experience Builder, web maps, dashboards, and automated data/application workflows Plan and oversee independent technical evaluation of performance and operational effectiveness, suitability, integrity, security, interoperability, and user requirements. Develop or review test strategies, plans, scripts, environments, results, conclusions, and corrective recommendations; ensure defects and architecture findings are traceable through resolution. Design for and monitor SOW performance objectives, including system reliability, availability, recovery/repair time, monthly patching, vulnerability remediation, and continuity of services. Support upgrades, enhancements, emergency fixes, incident/problem analysis, capacity planning, configuration/change control, and production readiness.