Top Senior Engineer Jobs in Denver & Boulder, CO

Develops and maintains spacecraft security architecture, translates system security requirements into component controls, assesses cybersecurity compliance, conducts threat analysis, and supports RMF, A&A, and ATO activities. The role collaborates with systems, hardware, software, and program teams; contributes to acquisition and protection documentation; identifies cyber risks; recommends mitigations; and promotes secure-by-design engineering practices.

Architects, deploys, and operates scalable data platform infrastructure supporting analytics. Responsibilities include administering Airflow and Superset, managing Terraform infrastructure, building CI/CD pipelines, implementing security and compliance controls, developing dbt data models, cataloging assets in OpenMetadata, automating with Python, and mentoring engineers. The role requires extensive infrastructure and data engineering experience, cloud expertise, container orchestration, and eligibility for CJIS clearance.

Designs, integrates, tests, and supports spacecraft and ground systems. Responsibilities include analyzing subsystem performance, developing spacecraft commands and telemetry, managing flight software configurations, maintaining command and telemetry tools, and resolving anomalies. The role collaborates with cross-functional engineering teams in an on-site office, laboratory, production, or cleanroom environment.

Secure Zapier’s production infrastructure by identifying and mitigating risks, hardening cloud environments, improving Terraform and CI/CD security, managing vulnerability and misconfiguration tools, enforcing least-privilege access, strengthening data governance, hardening Kubernetes images, and supporting incident response. The role collaborates with Platform, Engineering, and Security teams in a remote-first environment.

Supports quality assurance for spacecraft payloads and hardware throughout the program lifecycle. Responsibilities include technical and milestone reviews, compliance verification, quality issue investigation, root-cause analysis, corrective actions, MRB leadership, audits, manufacturing process reviews, continuous improvement, and quality metrics development. Works cross-functionally with engineering, manufacturing, inspection, testing, customers, and program teams in office, laboratory, production, and cleanroom environments.

Supports quality engineering across spacecraft and payload programs from design through launch. Responsibilities include technical and milestone reviews, quality issue investigation, root-cause analysis, corrective actions, Material Review Board leadership, audits, manufacturing process reviews, quality metrics, and continuous improvement. The role collaborates with engineering, manufacturing, inspection, testing, customers, and other cross-functional teams while ensuring compliance with aerospace, defense, contractual, and government standards.

Senior Quality Engineer supporting aerospace and spacecraft hardware programs from design through launch. Responsibilities include quality reviews, compliance, root-cause investigations, corrective actions, Material Review Board leadership, audits, manufacturing process reviews, quality metrics, and continuous improvement. The role requires collaboration across engineering, manufacturing, inspection, testing, customers, and program teams in an on-site production, laboratory, or cleanroom environment.

Designs, builds, tests, and troubleshoots full-stack cloud-native applications on AWS. Translates client needs into technical solutions across architecture, development, testing, and delivery; builds scalable infrastructure and integration patterns; applies AI-enabled engineering methods; and supports modernization initiatives. The role also reviews technical work, mentors junior engineers, collaborates with architecture teams, and helps deliver cloud, data, and analytics solutions.

Leads enterprise network security architecture, engineering, and modernization across cloud and on-premises environments. Designs firewalls, WAF, DDoS protection, Azure connectivity, microsegmentation, Zero Trust, SASE, and SD-WAN solutions. Serves as a Level 3 incident escalation point, drives root-cause analysis and resilience improvements, establishes automation and DevSecOps standards, and mentors engineers. Partners with stakeholders and vendors to deliver secure, scalable network security platforms.

Own the reliability, scalability, and evolution of Zapier’s database and caching infrastructure. Responsibilities include operating MySQL, PostgreSQL, Redis, and ElastiCache; managing infrastructure with Terraform; building observability, automation, SLOs, and golden paths; participating in on-call; supporting product teams; improving performance and resilience; leading design reviews; documenting practices; and mentoring engineers.

Design, develop, test, and support high-performance Roku streaming applications using C++, NDK, and Qt. Responsibilities include responsive UI development, REST API integration, video playback optimization, authentication and commerce flows, automated testing, debugging, analytics instrumentation, code reviews, production deployments, certification, and post-release support.

Designs, implements, and operates enterprise IAM solutions across Entra ID, Active Directory, cloud, SaaS, and data centers. Manages SSO, MFA, PAM, PIM, RBAC, identity governance, lifecycle controls, provisioning automation, third-party access, and non-human identities. Troubleshoots authentication and federation issues, supports identity-threat investigations, maintains technical documentation, and contributes to audit and compliance activities.

Design and implement high-performance distributed control plane services and microservices in Go. Lead complex technical initiatives, solve distributed-systems challenges, improve platform resilience, mentor engineers, and support production operations through on-call monitoring and incident response. The role focuses on low-latency, fault-tolerant cloud compute infrastructure using technologies such as gRPC, REST, Kubernetes, and Firecracker.

Develops automated validation and test solutions for enterprise SSD firmware, including functional, performance, stress, interoperability, and negative testing. Investigates regressions and field failures through root-cause analysis, enhances CI-based regression and reporting systems, and collaborates with firmware, hardware, and systems engineering teams. Applies Python, machine learning concepts, and AI-assisted development tools to improve testing, debugging, data analysis, and engineering productivity.

Designs, develops, integrates, and certifies advanced test system software and hardware for ground, airborne, and space applications. Builds Python, LabVIEW, and Ruby applications; develops hardware-in-the-loop systems using NI VeriStand and Simulink; and supports requirements, architecture, automation, networking, and software lifecycle activities. The role coordinates with cross-functional engineering teams, communicates technical status to program management, and supports multiple programs under formal development methodologies.

Design, build, and support Amazon Connect contact flows, serverless Java/Python microservices, and React agent workspaces. Integrate LLM-powered agent assistance (Bedrock/RAG), secure REST APIs, and implement monitoring and reliability for enterprise contact center solutions.

Leads cross-functional new product development programs from ideation through end-of-life. Owns scope, cost, schedule, risks, communication, resource gaps, and deliverables while coordinating global and local teams. Uses KPIs and data to support decisions, drives go-to-market execution, mitigates risks, and presents program status to executives, suppliers, customers, and functional stakeholders.

Develop and customize Guidewire applications supporting insurance policy, billing, and claims functions. Responsibilities include coding, configuration, integrations, testing, troubleshooting, requirements analysis, modernization support, client communication, workstream management, and mentoring junior developers. The role focuses on delivering software solutions across BillingCenter, ClaimCenter, and PolicyCenter while addressing complex technical and business challenges for insurance clients.

Design, customize, test, and troubleshoot Guidewire applications supporting insurance policy, claims, and billing workflows. Develop AI-enabled solutions, integrations, and automation; translate client requirements into technical solutions; interpret system data; and contribute to digital transformation engagements. The role also involves managing workstreams, reviewing junior team members’ work, guiding technical problem solving, and building client relationships while supporting Guidewire platform modernization.

Leads end-to-end technical development and operational delivery of space-based systems. Serves as mission design authority, manages technical risks, guides systems engineering, leads design reviews and readiness boards, and aligns multidisciplinary teams with customer and executive priorities. Develops CONOPS, oversees hardware lifecycle execution, briefs senior government stakeholders, establishes engineering standards, and mentors engineers.

Lead the technical direction of complex space-based missions from concept through operational delivery. Serve as the chief technical authority, guiding multidisciplinary engineering teams, mission architecture, systems engineering, design trade studies, risk mitigation, technical reviews, and hardware integration and testing. Act as the primary technical liaison to government customers and executives, deliver strategic briefings, establish engineering standards, and mentor engineering staff. The role is fully on-site and may require travel between campuses and other locations.

Leads the technical development and delivery of complex space-based missions across the full hardware and systems lifecycle. Provides systems engineering authority, drives requirements, CONOPS, design trade studies, risk mitigation, verification and validation, and technical governance. Acts as the primary technical liaison for government customers and executives, delivers strategic briefings, mentors engineering teams, and establishes engineering standards. The role is on-site five days per week and may require travel between company and other facilities.

Build and operate Dragos’s web application, GraphQL and gRPC APIs, and client SDKs. Develop React and TypeScript features, design versioned API contracts, maintain Python, TypeScript, and Go SDKs, and collaborate with Product, Design, and backend engineering. Improve performance, accessibility, observability, security, testing, and code quality while supporting security data at scale.

Lead development of Toast’s consumer-facing web experiences, building scalable guest and restaurant features across the stack. Collaborate with frontend, backend, iOS, and Android engineers using React, TypeScript, Next.js, APIs, and backend services. Own projects from development through launch, monitoring, and analysis while experimenting with users and influencing consumer product strategy.

Leads hands-on cybersecurity engineering across enterprise, classified, air-gapped, and secure testing environments. Responsibilities include RMF and JSIG activities, STIG hardening, SCAP and vulnerability scanning, eMASS and SSP management, POA&M remediation, EDR/SIEM administration, security control optimization, and CMMC compliance. Partners with engineering, manufacturing, physical security, FSO, and ISSM teams to protect CUI and classified data while enabling business operations. Provides technical ownership, stakeholder guidance, audit readiness support, and mentorship.