Top Security Engineer Jobs in Denver & Boulder, CO

Designs, builds, and deploys classified IT infrastructure for U.S. Government programs through TS/SCI and SAP levels. Responsibilities span facility readiness, power and cooling, rack and cabling design, servers, networks, storage, virtualization, cryptographic devices, physical security, testing, troubleshooting, documentation, and RMF/ATO evidence. The role requires extensive hands-on work in SCIFs, SAPFs, data centers, and construction environments, coordination with facilities and contractors, and up to 50% travel.

Design, build, and operate MongoDB Atlas features and distributed backend systems, with a focus on encryption, compliance, customer-managed keys, and cloud security across AWS, Azure, and GCP. Lead complex technical projects and fleet-wide production rollouts, collaborate with product, design, customers, and support teams, mentor engineers, resolve production issues, and participate in on-call support.

Lead systems engineering and execution of National Security Space Launch customer programs for New Glenn. Manage resources, schedules, budgets, requirements integration, technical deliverables, customer meetings, site visits, and business development activities. Collaborate across engineering and support organizations to deliver launch system products and services while maintaining customer satisfaction and program goals.

Leads the architecture, design, verification, testing, procurement, integration, and operational support of RF and optical communications systems for national security spacecraft. Responsibilities include link budgets, phase noise and coverage analysis, requirements verification, EM simulation, test campaign execution, supplier management, system documentation, interface coordination, configuration control, mentoring engineers, and launch and early-orbit mission support.

Installs, configures, maintains, and upgrades global network infrastructure, including routers, switches, firewalls, VPN endpoints, datacenter, backbone, and CDN environments. Troubleshoots outages, traffic issues, hardware and software problems, and network incidents. Coordinates with ISPs and vendors, manages switch infrastructure, handles RMAs and errors, and independently resolves complex network issues with limited supervision.

Design, develop, integrate, test, and deploy real-time embedded flight software for spacecraft and launch vehicle avionics. Translate requirements into flight-quality code, perform SIL and HIL testing, create verification plans, debug anomalies, support configuration management and mission operations, and ensure safety and quality compliance. The role also includes root-cause investigations, process improvement, launch readiness support, and mentoring junior engineers.

As a Principal Engineer, you'll architect and implement security features for storage products, focusing on cryptography and cybersecurity across development lifecycles.

Design, implement, and support enterprise physical security systems (video surveillance, access control, sensors, IoT). Consult with clients, develop technical architectures, configure and test systems, troubleshoot hardware/software, manage projects, run design workshops, and support sales and delivery. Travel 25-50% and perform hands-on installations and network-integrated solutions.

Develop scalable, secure backend satellite mission-operations software using Python and AWS. Build APIs, integrate cloud services, troubleshoot issues, optimize performance and costs, and automate processes. Contribute to generative AI integrations, DevSecOps, CI/CD, and software architecture. Collaborate with frontend engineers and product managers in an Agile Scrum environment while maintaining high standards for reliability, quality, and security.

Apply to join Galaxy Ventures' invite-only Talent Network for DevOps, SRE, QA, and Security professionals. Upon acceptance, your profile may be discreetly shared with portfolio companies for relevant roles, and you'll receive invitations to exclusive networking events. Participation is confidential and non-binding.