Top Principal Architect Jobs in NYC, NY

Leads the enterprise architecture practice and owns the organization’s three- to five-year technology vision, strategy, governance, and roadmaps. Advises executives and the board on technology investments, risk, architecture, and major partnerships. Oversees architecture standards, cross-domain decision-making, technology evaluations, due diligence, and platform strategy. Mentors architects across application, data, infrastructure, security, and enterprise domains while advancing organizational architecture maturity, scalability, compliance, security, and cost efficiency.

The Principal Enterprise Architect at Celonis will design transformative solution architectures, engage with C-level executives, and drive enterprise modernization through innovative technical solutions and integration strategies.

Lead the architectural development and migration of Yahoo Mail infrastructure to Google Cloud, collaborating with teams to define requirements, optimize solutions, and ensure alignment with business objectives and standards.

Designs and governs cloud architectures for a global software platform supporting scientific laboratory applications. Responsibilities include AWS architecture, security, DevSecOps, Terraform infrastructure as code, regulatory compliance, testing strategy, technical proofs of concept, stakeholder communication, engineering guidance, and mentoring. Requires strong C#/.NET Core and web development experience, AWS certification, architecture-framework knowledge, and familiarity with databases, application servers, and LC/LCMS systems.

Manage technical direction for application modernization projects, serve as a trusted advisor for clients, and lead teams to ensure delivery excellence.

Design and develop Presidio's internal Managed Services platform and automations. Provide technical guidance and mentoring, identify automation opportunities, perform proofs of concept and pilots, collaborate on production security improvements, author technical documentation, and engage with stakeholders to capture requirements and operationalize solutions.

Define and socialize end-to-end architecture for a multi-tenant, cloud-native data SaaS platform. Lead designs for streaming, low-latency query, multi-cloud deployments, service meshes, security/compliance, SRE practices, and AI/agent integration. Mentor senior engineers, run architecture reviews, and influence executives and customers to deliver secure, reliable, cost-efficient platform roadmaps.

Define and socialize end-to-end architecture for a multi-tenant, cloud-native SaaS data platform. Lead designs for streaming, low-latency query, multi-cloud deployments, security/compliance, SRE practices, and AI/agent integrations while mentoring senior engineers and influencing executive and customer decisions.

The Principal Architect at Zencore leads technical projects, guiding clients in cloud technology solutions, with hands-on execution in architecture and mentoring other engineers.

The Principal Architect will lead the technical direction of Tenna's platform by designing scalable systems, establishing standards, and guiding teams in implementing the technical strategy while ensuring system reliability and performance.

Designs enterprise-scale ICAM system architectures, defining functional and technical requirements, integration approaches, authentication, authorization, segregation of duties, and privileged access management. Develops high-level system design diagrams and ensures compliance with enterprise architecture, open systems, OSI, ISO, IEEE OSE, and common operating environment standards. Evaluates workflow and organizational issues and develops corrective actions. Requires Secret clearance, substantial system architecture experience, ICAM implementation expertise, and DoD 8140 IAT Level II certification.

Owns the cloud architecture vision and roadmap for an AWS-first, multi-cloud SaaS environment. Designs secure, resilient, scalable, and cost-efficient infrastructure; leads cloud modernization; enables AI and data platforms; establishes Terraform, CI/CD, observability, security, governance, and reliability standards; and partners with engineering, security, operations, customers, auditors, and leadership. Coordinates major incident response and drives self-service infrastructure and developer experience improvements.

Lead architecture and implementation of a high-performance OLAP query engine and semantic layer: design a JSON-based DSL and compiler, generate optimized SQL for columnar databases, build distributed caching, tune JVM and low-level performance, and provide technical leadership and documentation.

Lead architecture and technical strategy for the ClientWorks advisor platform. Design cloud-native, secure, scalable solutions across front-end, mobile, APIs, and integrations (Salesforce, Wealthbox). Drive DevSecOps, IaC, CI/CD, incident response, performance optimization, and design system modernization. Mentor teams, align cross-functional stakeholders, and ensure regulatory compliance and measurable business outcomes.

As a Principal Payments Integration Architect, you will lead technical design and delivery of payment integrations, guiding engineering teams and advising clients in building scalable payment infrastructure.

Lead enterprise M&A data architecture and integration: perform technology due diligence, define target-state and integration roadmaps, drive cloud modernization, application/platform rationalization, data harmonization, governance, and large-scale program delivery to realize value from mergers and acquisitions.

Define and govern enterprise API architecture, create reusable reference patterns and guardrails, drive API modernization, partner with platform, security, and product teams, mentor architects, and translate API strategy into scalable, secure, and observable solutions that enable delivery across value streams.

Lead mission formulation and architecture for EO/IR and persistent infrared/MW missions. Perform mission-level analyses, define requirements and top-level budgets, design payloads and constellations, run trade studies using software/code, and coordinate with instrument, engineering, and science teams to deliver cost-effective space mission solutions.

Lead mission formulation and architecture: develop mission concepts from customer needs, perform mission-level analyses and top-level budgets, define requirements and design for spacecraft and RF/optical instruments, run engineering trade studies using code/tools, evaluate constellation configurations, and coordinate across disciplines.

Lead and build an enterprise architecture practice from scratch: govern application portfolio, drive application rationalization and SaaS cost savings, establish architecture principles and lightweight review processes, use AI to analyze and prioritize consolidation and renewal risk, extend governance to AI agents, and align architecture decisions to business outcomes through collaboration with Finance, Procurement, and domain leads.

Lead enterprise cloud strategy and architecture on Google Cloud, drive multi-cloud interoperability, enforce governance and security, optimize cost, deliver large-scale implementations (GKE, BigQuery, Vertex AI), mentor senior engineers, and promote GitOps and automation across the delivery lifecycle.

The Principal Software Architect defines and governs software architecture for medical and non-medical systems, ensuring reliability, scalability, and regulatory compliance across multiple platforms, while collaborating with various teams to drive architectural excellence.