Top Systems Engineer Jobs in Denver & Boulder, CO

Develops and integrates complex spacecraft systems across the product lifecycle. Responsibilities include deriving and managing requirements, developing architectures and concepts of operation, supporting milestone reviews, overseeing system integration and verification, managing technical risks, and coordinating cross-functional engineering teams. The role may lead small teams and requires compliance with engineering processes, effective stakeholder communication, and the ability to obtain and maintain a Secret U.S. security clearance.

Develops and integrates advanced spacecraft systems by managing requirements, architecture, system decomposition, traceability, integration, verification, and validation. Supports technical milestones, performance tracking, risk identification, and cohesive system delivery using Model Based Systems Engineering approaches. Requires an active Secret clearance and U.S. citizenship.

Lead systems engineering across the product lifecycle: derive, decompose, allocate, trace, and manage requirements; develop system architecture and concepts of operation; oversee integration, verification, and V&V; track technical performance and risks; produce milestone artifacts and lead cross-functional teams while mentoring engineers and improving processes.

Provide real-time on-orbit support and investigate/resolve GPS satellite anomalies. Train as a subsystem SME for satellite bus subsystems, interface with operations customers, perform telemetry trending and data analysis, write technical reports, and support spacecraft command processor and mission planning while improving processes and documentation.

Supports systems development across the product lifecycle by decomposing and managing requirements, developing architectures, creating technical artifacts, tracking performance and risks, and supporting integration, verification, and milestone reviews. Collaborates with cross-functional teams to ensure compliant, cohesive system solutions while following engineering processes and communicating with stakeholders.

Lead systems engineering for space battle management, command and control programs. Responsibilities include defining requirements and interfaces, developing concepts of operations, analyzing system behavior, conducting trade studies, supporting agile software product lifecycles, and coordinating across software, hardware, cybersecurity, infrastructure, networking, and mission engineering teams. The role interfaces with customers and industry partners and requires an active Top Secret clearance, U.S. citizenship, and up to 10% travel.

Leads software systems engineering for SATCOM mission planning supporting military NC3 networks. Responsibilities include requirements, architecture, API and backend development, user interface implementation, integration, testing, deployment, code reviews, security, performance improvements, mentoring, and Agile DevSecOps delivery. The role requires onsite work in Colorado Springs, active U.S. Secret clearance, U.S. Person status, and up to 10% travel.

Develop and maintain requirements, architecture, APIs, interfaces, and algorithms for SATCOM mission planning software. Support full software lifecycle in Agile/DevSecOps environments, build backend services, implement CI/CD pipelines, perform code reviews, and translate designs into modern front-end interfaces emphasizing automation, testing, security, and performance.

Support systems engineering foundations for satellite and ground systems: maintain requirements, models, design artifacts, and verification evidence; enforce processes and traceability; coordinate across disciplines; organize engineering baselines and documentation while learning MBSE and lifecycle practices.

Develops and integrates complex spacecraft systems through requirements decomposition, architecture definition, concept of operations, system integration, and verification. The role supports technical milestone reviews, manages risks and performance measures, maintains traceability and configuration baselines, and collaborates with cross-functional engineering teams. It may lead small systems engineering teams and mentor junior engineers while ensuring compliance with engineering processes and standards.

Lead systems engineering for a next-generation unmanned aircraft system. Responsibilities include defining system architecture, behaviors, requirements, interfaces, fault responses, and traceability; integrating avionics, autonomy, propulsion, sensors, and mission systems; conducting MBSE modeling, trade studies, safety analyses, flight testing, and performance validation; and coordinating cross-functional teams, DoD stakeholders, and government partners through development and operational deployment.

Leads spacecraft systems engineering across requirements management, system architecture, concept of operations, integration, verification, and validation. Oversees technical milestone reviews, requirements traceability, risk mitigation, performance tracking, and configuration management while collaborating with cross-functional engineering teams. The role also mentors engineers and ensures compliant, cohesive system solutions throughout the development lifecycle.

Leads mission performance modeling, simulation, trade studies, sensitivity analysis, optimization, and requirements derivation for complex space, air, and ground architectures. Develops analytical tools, quantifies mission effectiveness, establishes performance metrics, communicates technical findings to customers and executives, mentors engineers, and supports strategic proposals. Requires Python proficiency, systems analysis expertise, and an active Secret clearance with ability to obtain Top Secret/SCI.

Analyzes mission performance using modeling and simulation, develops algorithms and simulation tools, translates complex data into technical reports, presents findings, and collaborates with engineering teams on system architecture and technical milestones. The role also includes proposal writing, strategic planning, and customer communication in a defense and space systems environment.

Leads mission performance modeling, simulation, trade studies, sensitivity analysis, requirements derivation, and optimization for space, air, and ground architectures. Develops analytical tools, quantifies mission effectiveness, establishes performance metrics, and translates complex results into customer and executive narratives. Mentors engineers and supports technical proposals and strategic business planning. Requires Python proficiency, active Secret clearance, and on-site work five days per week.

Analyzes mission performance using modeling and simulation to evaluate system architectures. Develops algorithms and simulation tools, produces technical reports, presents findings to stakeholders, and collaborates with senior engineers on high-impact defense and aerospace projects. The role also includes proposal writing, strategic planning, and cross-functional communication in an on-site environment.

Leads mission performance modeling and simulation for space, air, and ground architectures. Conducts predictive, trade-off, sensitivity, and requirements analyses; develops algorithms and modeling tools; establishes performance metrics; and translates complex results into recommendations for leadership and customers. Mentors junior engineers and supports technical proposals and strategic business planning. Requires Python, engineering analysis, and an active Secret clearance with ability to obtain Top Secret/SCI.

Analyze mission performance using modeling and simulation to evaluate system architectures. Develop algorithms and simulation tools, analyze complex datasets, prepare technical reports and presentations, and collaborate with senior engineers and cross-functional teams. The role also includes proposal writing, strategic planning, and customer communication in an on-site defense and aerospace environment.

Design, build, and operate Cloudflare’s globally distributed cache and reverse-proxy data plane. Responsibilities include improving Pingora-based asynchronous systems, cache performance and correctness, purge and Tiered Cache services, APIs, observability, reliability, and production operations. The role owns features end to end, including design, implementation, testing, staged rollouts, incident response, and cross-team collaboration.

Build and maintain lead-to-order business systems across Salesforce and connected platforms. Design complex applications, declarative automation, Apex and Lightning solutions, integrations, APIs, data models, and security controls. Remediate technical debt, lead migrations and tool rollouts, manage testing and cutovers, and ensure production systems are observable, documented, and governed. Partner cross-functionally to translate business requirements into scalable solutions while supporting AI capabilities in go-to-market workflows.

Build and maintain high-throughput, low-latency distributed data systems across ingestion, storage, and retrieval. Optimize delivery pipelines, scale analytical database clusters (ClickHouse), develop GraphQL and log delivery solutions, monitor performance with observability tooling, troubleshoot production issues, and collaborate cross-functionally and with open-source communities to evolve the data platform.

Own endpoint and device management for Mac and Windows fleets using Jamf Pro and Microsoft Intune. Build zero-touch provisioning, patching, compliance, security baselines, application packaging, lifecycle workflows, and automation scripts. Partner with IT, Security, and Identity teams on device access and monitoring. Provide Tier 3 incident support, maintain Git-based infrastructure automation, document runbooks, and improve delegated support processes across a distributed enterprise fleet.

Owns the authoritative MBSE system model throughout the product lifecycle. Responsibilities include requirements derivation and traceability, system architecture, concept of operations, model governance, configuration and version control, integration, verification and validation, risk management, milestone deliverables, and modeling standards. Collaborates with cross-functional engineering teams and subject matter experts, may lead small teams, and supports cohesive spacecraft and mission-system development.

Apply systems engineering and MBSE methods to develop system models, architectures, requirements, interfaces, and digital engineering workflows. Support trade studies, integration, process automation, model governance, technical reviews, demonstrations, and stakeholder communications. Collaborate across multidisciplinary engineering teams, facilitate technical discussions, mentor junior engineers, and evaluate AI and automation opportunities. The role is primarily on-site three or more days per week and may involve travel between campuses or other locations.

Applies systems engineering and MBSE methods to complex engineering programs. Develops system models for requirements, functions, interfaces, behaviors, and architectures; supports trade studies, integration, verification, digital-thread development, and process automation. The role establishes modeling standards, integrates engineering data and tools, facilitates multidisciplinary technical discussions and reviews, supports training and demonstrations, and evaluates AI and automation opportunities. Requires collaboration across technical disciplines, analytical problem-solving, communication, and independent execution.