Top Senior Engineer Jobs in Denver & Boulder, CO

Design and implement FPGA-based digital systems for defense applications, integrate digital IP and SoC components, develop test fixtures and plans, and collaborate across engineering teams on R&D and production programs. Maintain on-site presence and support system-level requirements flow-down.

Lead architecture and implementation of complex FPGA SoC designs for space/high-reliability systems. Develop VHDL/Verilog/SystemVerilog IP, integrate digital IP, use Xilinx/Mentor toolchains, provide technical leadership, and support R&D and production programs while collaborating across teams.

Perform FEA and hand calculations to evaluate and optimize UAV airframe structures. Conduct static, modal, fatigue, and vibration analyses, support structural test planning and data correlation, define loads and material properties, and produce structural analysis reports while collaborating with cross-functional engineering teams.

Integrate, characterize, calibrate, and validate multi-modal navigation sensors (IMUs, GNSS, cameras, altimeters). Develop test plans, calibration scripts, and data-processing tools; collaborate across electrical, mechanical, and software teams; support schematics, CAD, drivers, and lab-based sensor testing through production.

Lead systems engineering for Hivemind-based autonomy products: define and manage requirements, develop system architectures and trade studies, coordinate hardware/software interfaces, support integration/verification/validation and testing, and identify and mitigate technical risks across the system lifecycle.

Support selection, characterization, calibration, and integration of multi-modal navigation and localization sensors (IMUs, GNSS, cameras). Develop and run test plans, calibration scripts, and data-processing tools. Work cross-functionally with EE/ME/SW on electrical interfaces, mounting, thermal/vibration, and software drivers. Debug hardware–firmware–software issues, document trade studies and integration requirements, and support production and occasional travel.

Senior Software Quality Engineer develops and executes automated and manual tests for video streaming applications on mobile and set-top devices, writes test code, creates comprehensive test cases, reviews test code and results, collaborates on test strategies, and ensures products meet quality and reliability standards.

Build and operate production AI capabilities—agents, prompts, connectors, automations, and telemetry—to improve productivity. Deliver reusable components, integrate AI with enterprise systems, enforce responsible AI controls, instrument costs and ROI, and collaborate across security, legal, data, and business teams to scale safe, measurable AI adoption.

Hands-on individual contributor building and operating enterprise AI capabilities: agents, prompts, connectors, automations, and telemetry. Partners with stakeholders to convert workflows into production-quality, secure, measurable AI solutions, create reusable components, enforce governance controls, optimize cost and ROI, and enable cross-functional adoption and observability.

Design and implement high-tech electronic systems focusing on FPGA and digital IP integration for defense applications, collaborating in R&D and production programs.

The role involves managing z/OS installations, performing system management tasks, handling software issues, and supporting disaster recovery processes. It also includes mentoring team members and optimizing mainframe performance.

The Senior Engineer - Boomi Architect leads enterprise integration projects, designing solutions using Boomi iPaaS, and mentoring junior engineers while ensuring scalability and quality standards.

Lead design and delivery of high-scale, resilient distributed inference data plane services. Architect and optimize inference hosting (tensor/data parallelism, KV-cache routing, prefill/decode disaggregation), contribute upstream open-source projects, mentor engineers, and maintain operational excellence and SLOs for a multi-tenant AI inference cloud.

Operate and automate large-scale data plane services (Cassandra, Elasticsearch/OpenSearch, Kafka, etc.), build infrastructure for a devops model, troubleshoot production incidents, and ensure petabyte-scale data is secure, available, and efficiently managed.

Design, implement, and operationally support enterprise security platforms across cloud, endpoint, identity, network, and SaaS. Lead detection, telemetry, vulnerability management, automation, and incident escalation. Partner with stakeholders to deliver secure, scalable services, improve security posture and Zero Trust objectives, and mentor engineers while maintaining documentation, KPIs, and on-call support.

Design, develop, and support Amazon Connect contact flows, serverless backend microservices (Java/Python), React-based agent workspaces, LLM-powered agentic AI (Bedrock/RAG), secure REST APIs, and observability/CI for enterprise contact center integrations.

Lead design and delivery of scalable budgeting and pacing infrastructure. Build and maintain high-performance Java production systems, collaborate with engineering and product teams, apply data-driven decision making, and ensure reliability, observability, and continuous improvement of distributed systems.

As a Senior Developer Advocate, you will lead community engagement in Data Observability, create content, mentor teams, and enhance product feedback from engineers.

Design and verify spacecraft fault management and on-board autonomy. Contribute to systems engineering, CONOPS, requirements V&V, test plan development and execution, hardware-in-the-loop and mission operations support. Document fault management approaches, collaborate with SMEs and customers, and support programs from concept through on-orbit operations.

Convert algorithm description documents into C++ implementations for radar systems; develop, test, and optimize simulation and data-processing toolchains; integrate experimental data; perform code reviews and collaborate with cross-functional teams; ensure scalability, reliability, and adherence to coding and security practices; work on-site and support programs throughout the software lifecycle.

The Senior Engineer, Propulsion Systems at Ursa Major will lead propulsion system design, integration, and testing for hypersonic vehicles, requiring strong technical skills and collaboration across engineering disciplines.

Lead manufacturing and test operations for aerospace products: improve manufacturability, develop processes and production plans, manage teams of engineers/technicians, ensure cost/schedule/quality requirements, and enforce compliance across programs. Provide technical leadership, resolve operational issues, and coordinate cross-functional execution.

Lead development and enforcement of manufacturing and test processes for aerospace products. Develop production plans, schedules, and forecasts; modify designs for manufacturability and cost reduction; lead junior engineers, planners, quality, test, and technicians; resolve operational issues and ensure program, customer, and government compliance; support integration and testing and improve factory operations.

Lead and improve manufacturing and test operations for aerospace products. Drive design-for-manufacturability, develop production plans and schedules, mentor junior engineers and technicians, ensure cost, schedule, quality, and compliance goals are met, and resolve operational issues across programs and facilities.

As a Senior Backend Engineer at DuckDuckGo, you'll lead backend projects, mentor engineers, and develop AI-enhanced features for the company's privacy-centric product line.