Top Systems Engineer Jobs in Denver & Boulder, CO

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.

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.

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.

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.

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.

Applies systems engineering and MBSE methods to develop system models, architectures, requirements, interfaces, and digital-thread integrations. Supports trade studies, system integration, process automation, model governance, technical reviews, training, and cross-disciplinary collaboration. The role also evaluates AI and automation opportunities in engineering workflows and mentors less-experienced engineers.

Supports satellite and spacecraft design, development, and operations by analyzing hardware health, troubleshooting discrepancies, performing calibrations, maintaining technical documentation, and briefing customers and management. Collaborates with engineers, technicians, factory teams, and contractors to resolve technical issues and execute vehicle engineering tasks. The position is fully on-site and may involve laboratory, production floor, cleanroom, and outdoor environments.

Supports the design, development, and operation of satellites and spacecraft. Analyzes hardware state-of-health, troubleshoots system discrepancies, performs calibration activities, and maintains technical documentation and procedures. Interfaces with factory teams and contractors, collaborates with engineers and technicians, and delivers technical briefings, reports, status updates, and presentations to customers and management. The role is performed on-site and may involve laboratory, production floor, cleanroom, and outdoor environments.

Own systems engineering and product ownership for flight operations software supporting spacecraft commanding, telemetry, ground systems, and mission operations. Define architectures, MBSE models, APIs, requirements, user stories, and acceptance criteria; prioritize the development backlog; drive technical trades; and support implementation, integration, verification, deployment, and operations. Coordinate spacecraft, ground, flight software, mission operations, and engineering stakeholders while identifying integration risks and contributing to enterprise architecture and long-term mission systems roadmaps.

Leads complex spacecraft system integration and test activities across hardware and software subsystems. Manages requirements, architectures, concepts of operation, integration plans, verification, validation, test execution, anomaly resolution, milestone reviews, technical risks, and performance tracking. Collaborates with cross-functional engineering teams and subject matter experts while ensuring compliance with engineering processes and standards.

Leads advanced systems engineering across the product lifecycle, including requirements decomposition and traceability, system architecture, concept of operations, integration, verification, validation, milestone reviews, technical risk mitigation, and multidisciplinary program leadership. Serves as a systems engineering subject matter expert, mentors engineers, leads enterprise-wide initiatives, and shapes technical strategy and engineering methodologies.

Lead development and maintenance of the Cameo MBSE system model and SysML diagrams. Decompose system requirements to software/subcomponent levels, maintain traceability and verification matrices, and ensure model configuration and validation. Drive functional decomposition, behavioral modeling, and interface/data flow documentation. Collaborate across teams, support mission concept development and full program lifecycle execution, and present technical results to senior stakeholders.