Top Senior Systems Engineer Jobs in Denver & Boulder, CO

Lead engineering teams through program lifecycle for Space-based systems; manage technical baseline, integrate testing, and mentor engineers.

This role involves systems engineering support, requirements management, team leadership, and technical presentations to ensure program success. It includes mentoring and coordinating with multiple stakeholders for system verification and mission support.

Support systems engineering for technical teams, ensuring requirements verification, leading multi-disciplinary teams, and preparing for gate reviews. Mentor engineers and manage risks.

Provide systems engineering support for technical teams, manage requirements, mentor engineers, and prepare for gate reviews while using Model-Based Systems Engineering techniques.

Lead teams in systems engineering to manage requirements, architecture, integration, and test plans for space missions. Oversight includes technical baseline, cost, and schedule management, mentoring engineers, and maintaining stakeholder relationships.

Serve as a senior technical authority defining and integrating complex software-intensive mission systems across software, cloud, networking, cybersecurity, and operations. Lead architecture, trade studies, risk mitigation, cross-domain integration, and customer engagement. Mentor engineers, establish systems engineering practices, and apply AI-assisted engineering to improve analysis, documentation, and workflows for mission-ready capabilities.

Senior technical authority responsible for integrating cybersecurity and compliance into software-intensive mission systems. Translate security requirements (NIST/CMMC/RMF) into architecture and engineering solutions, assess risk and gaps, support accreditation and continuous compliance, mentor engineers, and enable secure DevSecOps and cloud practices while maintaining mission performance in classified and unclassified environments.

Design, build, test, and maintain low-latency, high-throughput trading services on an Aeron-based platform. Expand trading protocol features, migrate workflows to the new stack, optimize performance and scalability, support production reliability, and collaborate with cross-functional teams while using AI-assisted development tools.

Lead the engineering architecture for an AI-driven product, focusing on system design, collaborating with AI agents, and ensuring quality and scalability in large-scale SaaS environments.

Design and build scalable, automated evaluation pipelines and infrastructure to validate speech, audio, and multimodal models. Translate research benchmarks into enforceable pass/fail gates, run batch and streaming tests, operate canaries and continuous monitoring, integrate quality gates into CI/CD, and partner with research, training, inference, and infra teams to prevent regressions and ensure production model quality.

Lead development and integration of Salesforce-centered GTM systems: build Apex/LWC solutions, design event-driven integrations, optimize data flows to Snowflake, manage CI/CD with Gearset/Git, write SQL for reporting and data quality, troubleshoot production, and mentor developers while advancing AI-enabled, composable CRM automation.

Design, implement, and maintain scalable, secure IT infrastructure and cloud platforms (AWS/Azure). Lead and mentor junior admins, apply advanced security practices, automate processes with scripting/automation tools, perform systems performance tuning, manage networking/distributed environments, and lead IT projects while producing technical documentation and representing the company to stakeholders.

Lead clean-sheet design, development, and validation of fluid and mechanical propulsion components (gimbals, actuators, valves, fluid systems). Derive requirements, produce CAD designs, write assembly/work instructions, assemble and test prototypes, support system integration, and mentor team members through design-to-production and flight qualification.

Serve as Tier 3 escalation for an MSP-managed, security-focused practice supporting life sciences clients. Design Microsoft-centric secure architectures (Azure, Microsoft 365, identity, endpoints), lead migrations/onboarding, mentor engineers, own root-cause analysis, implement security controls and compliance alignment, and build automation and AI-assisted tooling (PowerShell, Claude) to reduce manual work.

The role involves technical interface management, system-level trades evaluation, design troubleshooting, and compliance with electrical standards for space systems.

Lead spacecraft electrical power systems engineering across program phases. Act as responsible engineer for batteries, solar arrays, power conversion and distribution, support procurement, sizing, technical proposals, and IR&D. Represent EPDS to programs and contribute to power system architectures, testing, and delivery of space-qualified hardware.

Lead spacecraft electrical power systems engineering for space missions, performing design, sizing, testing, procurement oversight, and delivering EPDS components (batteries, solar arrays). Represent power team to programs, support proposals, advance power architectures, manage IR&D, and collaborate across teams to ensure mission requirements are met.

Lead systems engineer for enterprise satellite ground systems: design, integration, verification planning, interface/ICD development, MBSE modeling and simulation, requirements decomposition, trade studies, and support of SRR/PDR/CDR and test milestones. Guide program execution and may perform project leadership to meet cost, schedule, and performance goals while working on-site and maintaining required security clearance.

Support systems engineering across the full lifecycle for classified aerospace/defense programs: requirements decomposition, architecture, interface definition, integration and test, verification/validation, MBSE artifacts, coordination with software/test/cyber teams, and configuration-controlled delivery in Agile environments.

Key responsibilities include troubleshooting complex technical issues, mentoring junior team members, streamlining processes, and ensuring quality assurance in IT support.

Lead mission readiness and performance across the Mission Foundry lifecycle: define V&V campaigns, streamline AI&T workflows, analyze on-orbit telemetry, improve autonomy and fault management, feed performance data into design iterations, and support internal tooling roadmaps to scale spacecraft production and operations.

Lead systems engineering for RF/EW capabilities on military platforms. Drive requirements engineering, MBSE, systems integration, V&V, architecture development, technical risk management, mentorship, and program-level deliverables.

Lead technical systems engineering across design, integration, testing, deployment, and sustainment of classified cyber and space mission systems. Provide authoritative technical decisions, mentor engineering teams, advise senior government stakeholders, coordinate with partners, support accreditation and operational readiness, and perform instructional and IPASC duties. Requires hands-on and strategic oversight in a cleared, onsite environment.

Define and flow down engineering requirements from high-level designs, document and manage requirement changes, maintain system architecture and interfaces, identify tools/process improvements, and coach teams on systems engineering practices for complex hardware/firmware/software products.

Lead and support design, deployment, administration, and Tier-2/3 support of AWS and hybrid-cloud systems. Maintain Linux/Windows servers, IP networking, automate operations with IaC/configuration management, produce documentation, and troubleshoot mission-critical infrastructure in a secured, fast-paced environment.