Top Design Engineer Jobs in NYC, NY

Lead the architecture, hydraulic design, documentation, integration, manufacturing readiness, controls coordination, and commissioning of liquid-cooling and mechanical distribution systems for modular AI data centers. Own P&IDs, calculations, equipment and valve schedules, interfaces, standards, and performance validation. Collaborate with thermal, electrical, controls, manufacturing, commissioning, supply chain, OEM, and field teams to create scalable, serviceable, repeatable systems for deployment across multiple sites.

Design and scale silicon spin-qubit processors from PDK development through tapeout, fabrication, validation, and system integration. Responsibilities include qubit standard-cell design, automated placement and routing, signal integrity and thermal analysis, customized EDA capabilities, PDK collateral, design-rule validation, interposer interfaces, and electrical characterization structures. The engineer collaborates with quantum, control, packaging, process, lithography, software, and external customer teams to enable large-scale quantum processor designs.

Assists lead engineers with electrical engineering design and construction projects for water, wastewater, and other municipal infrastructure. Prepares drawings, specifications, technical reports, and engineering documents for power distribution, substations, controls, instrumentation, communications, lighting, fire safety, and security systems. Performs site investigations, field inspections, shop drawing reviews, and site meetings throughout design and construction. Travel to DEP job sites is required as needed.

Design, build, deploy, and support production-grade integrations between the Blue Machines platform and client systems. Develop API, cloud, and AI/LLM integrations; collaborate with clients on deployment, debugging, and optimization; and automate, document, and monitor workflows. The role requires Python or Java backend experience, cloud expertise, web technologies, authentication protocols, AI/LLM familiarity, and strong problem-solving and communication skills.

Designs and characterizes photonic integrated circuits and high-speed optical components, including lasers, detectors, modulators, and integrated waveguides. Performs RF and electro-optical modeling using HFSS and ADS, develops experiments, analyzes device performance data, and collaborates with fabrication, testing, reliability, packaging, systems, and product engineering teams. Requires advanced expertise in optical communications, DWDM systems, component fabrication, epitaxy, testing, and signal analysis.

Designs and optimizes tunnel ventilation and fire life safety systems for transit, rail, highway, industrial, and utility tunnel projects. Develops design criteria, calculations, technical reports, drawings, specifications, ventilation strategies, heating and cooling loads, and CFD/SES analyses. Supports construction administration and commissioning, coordinates interdisciplinary systems, contributes to quality and risk plans, mentors engineers, supports recruiting and client relationships, and publishes technical work.

Designs electrical control systems for conveyor and material-handling equipment, including power calculations, 480V and 120V schematics, I/O drawings, PLC and panel layouts, field-device layouts, and material specifications. Collaborates with customers, sales engineers, and project managers to define requirements. Inspects, tests, commissions, and troubleshoots motor control panels for compliance with design standards, codes, and project specifications.

The Design Engineer will manage MEP and HVAC design processes for projects, ensuring energy efficiency and user satisfaction from concept to completion, while mentoring juniors and collaborating with teams.

Design and verify analog and mixed-signal CMOS circuits for integrated voltage regulators. Responsibilities include architectural contribution, schematic and post-layout simulation, circuit research, documentation, design reviews, and cross-functional debugging with characterization, test, and applications teams. The role involves full-custom CMOS design, circuit block ownership, chip integration, and supporting verification and production readiness.

Designs and supports complex civil engineering projects for water supply, wastewater, and related infrastructure. Responsibilities include preparing plans, specifications, calculations, reports, schedules, and construction documents; conducting field investigations; reviewing shop drawings and change orders; coordinating with stakeholders; supporting construction, testing, and commissioning; and overseeing consultant and junior engineer work. The role may require signing and sealing documents, site travel, and maintaining a New York State Professional Engineer license.

Build polished, responsive front-end applications for Chiri Brain and client-specific AI solutions. Design user flows, prototypes, interfaces, reusable components, and design systems while integrating APIs, authentication, business data, agent workflows, and security controls. Work directly with customers and stakeholders to understand needs, rapidly prototype, gather feedback, and ship production-quality software. Help establish scalable front-end architecture and use AI-assisted development tools to accelerate delivery.

Develop thermal-hydraulic models for scientific apparatus using ASME B31.3-2022 for installation at a research reactor. Perform steady-state and transient temperature modeling, work independently, and coordinate with EPC contractors and vendors on costs and budgets. The role is remote, part-time, and temporary, with at least four required site visits to State College, Pennsylvania. U.S. citizenship, background screening, drug-free status, and references are required.

Design physical ICT infrastructure for data centers and mission-critical buildings, including fiber and copper cabling, pathways, telecom rooms, rack elevations, outside plant systems, and construction drawings. Develop Revit/BIM models, coordinate low-voltage systems and other engineering disciplines, support site visits and design reviews, review submittals and RFIs, and contribute to commissioning documentation. Apply BICSI, TIA/EIA, and ANSI standards while collaborating with engineers, contractors, vendors, and clients.

Design physical ICT and structured cabling infrastructure for data centers and mission-critical facilities. Develop fiber and copper cabling layouts, pathways, telecom room plans, rack elevations, OSP systems, data hall designs, and construction documentation using Revit and AutoCAD. Coordinate BIM models, clash detection, low-voltage systems, contractors, vendors, and other engineering disciplines. Support design reviews, site visits, RFIs, submittals, commissioning, and quality documentation while applying BICSI and TIA/EIA standards.

Build and maintain accessible, reusable React Native and web components for Rocket Money’s design system. Collaborate with designers and engineers on UI primitives, tokens, patterns, documentation, tooling, motion, and interaction quality. Improve accessibility, testing, adoption, migration support, and developer experience through reliable shared infrastructure, Storybook examples, technical documentation, and code reviews.

Design, prototype, and build polished web experiences for Stripe’s public websites. Collaborate with designers and engineers, create interactive animations and launch materials, extend design systems, optimize browser performance, and integrate web platforms with authoring and experimentation tools. The role focuses on conversion-oriented user journeys, global audiences, accessibility, and high-quality front-end implementation.

Designs, simulates, lays out, and characterizes high-speed integrated photodetectors, including PIN, APD, and waveguided structures. Responsibilities include optical and RF modeling, custom mask layout, foundry process optimization, and electro-optic testing of devices operating beyond 200 Gbps per lane. The role requires collaboration with process integration, validation, test, customer, and manufacturing teams to transition photonic components from concept through high-volume production.

Principal UI Engineer responsible for architecting real-time collaboration infrastructure, scalable web platforms, and AI-augmented developer tools. The role spans React and TypeScript UI engineering, CRDT-based synchronization, PostgreSQL persistence, performance optimization, CI/CD, observability, security, and platform resilience. The engineer will lead architecture, reliability, incident management, engineering standards, AI-assisted development quality, and mentorship across engineering, design systems, and product teams.

Build and maintain Palantir.com and Next.js microsites, establish a shared design system and components, advise on web/UX/accessibility/SEO, and ship secure frontend changes through a CI/CD pipeline while collaborating with designers, legal, and cross-functional stakeholders to drive brand campaigns.

Design and develop high-performance RF and millimeter-wave MMICs, including power amplifiers, low-noise amplifiers, and RF switches, from architecture through tapeout, characterization, and product integration. Perform circuit and electromagnetic simulations, optimize performance, develop test plans, validate hardware, correlate measurements with simulations, and collaborate with systems, antenna, packaging, and transceiver teams on satellite communication products.

Designs advanced ASIC packages, including FC-BGA and MCM architectures, from early trade studies through production. Responsibilities include substrate and ball-map definition, SI/PI and thermal design, high-speed signal breakout, material and assembly selection, vendor management, qualification, and collaboration with silicon, RF, and systems teams. The role focuses on high-pin-count, power-dense mixed-signal and digital SoC packages for high-reliability aerospace applications.

Lead end-to-end ASIC package architecture and execution for high-performance FC-BGA and MCM solutions. Own substrate stackups, ball maps, SI/PI, thermal design, material selection, vendor qualification, packaging standards, and production ramp. Partner with silicon, RF, and systems teams to optimize package interfaces and ensure reliable, first-pass success for high-pin-count, power-dense mixed-signal and digital ASICs.

Own and evolve LiveKit’s developer-facing website by building high-performance web experiences, reusable brand components, motion systems, and launch pages. Translate brand and design concepts into polished production code, maintain strong performance budgets, and collaborate closely with designers, marketers, and engineers. The role emphasizes front-end engineering, animation, interaction design, speed, and self-directed delivery.

Own the development of LiveKit’s marketing website and brand system. Build high-performance launch and product pages, reusable components, motion patterns, and tooling that translate brand designs into polished web experiences. Collaborate with designers, marketers, and design engineers while maintaining strict performance standards and Core Web Vitals. The role emphasizes front-end engineering, interaction design, animation, fast delivery, and solving complex technical problems.

Leads the architecture, circuit design, integration, verification, tapeout, and silicon validation of high-speed ADCs, DACs, and analog front-ends for advanced mixed-signal SoCs. The role covers converter trade studies, FinFET CMOS circuit implementation, calibration, clocking, references, signal integrity, and DSP collaboration. It also provides technical leadership, establishes design methodologies, and mentors analog and mixed-signal engineers.