Top Tech Jobs & Startup Jobs in Denver & Boulder, CO

Develop, document, test, debug, and maintain enterprise mission applications and platform infrastructure software. Build Java microservices, deploy Docker containers, and operate applications in Kubernetes environments on AWS. Collaborate within an Agile/Scrum team, apply object-oriented design practices, use configuration-management tools, and support critical Department of Defense mission applications.

Develop, document, test, debug, and deploy enterprise mission applications within an Agile team. The role focuses on Java microservices, Docker containers, Kubernetes runtime environments, AWS cloud infrastructure, object-oriented design, and configuration management. Candidates will collaborate effectively in a fast-paced environment, learn new tools, and support critical C2 AOC mission applications for a DoD customer.

Monitor and protect IT infrastructure, conduct vulnerability assessments, operate enterprise scanning tools, report findings, maintain information assurance policies, implement patch management, and ensure security compliance across Windows and Linux systems. The role supports critical space mission applications within an Agile engineering team and may develop cybersecurity engineering skills.

Summer 2027 roadway engineering internship supporting highway and infrastructure projects in Denver. Responsibilities include developing road and highway engineering solutions, ensuring regulatory compliance, preparing specifications, estimates, quantity calculations, technical reports, construction documents, and engineering analyses. The intern will review supplier submittals, perform technical bid analyses, and collaborate with experienced infrastructure design professionals.

Develop and sustain mission-critical data products for U.S. government and defense customers. Build data pipelines, analytical workflows, structured data models, dashboards, and user-facing applications using Python, SQL, and Palantir Foundry. Collaborate with technical and operational stakeholders throughout requirements, development, testing, deployment, onboarding, and sustainment. The role requires active Secret clearance, U.S. citizenship, and the ability to obtain TS/SCI clearance.

Designs, tests, configures, monitors, and upgrades network architectures, including WANs, routers, switches, firewalls, Palo Alto devices, ACLs, and security controls. The role supports network capacity planning, troubleshooting, documentation, monitoring, and collaboration with systems engineers on installations and upgrades. An active Secret clearance is required, and the position is on-site at Ramstein Air Base in Germany.

Oversee cybersecurity for Air Base Air Defense systems, including SIEM alert analysis, security policy development, network and system assessments, RMF compliance, risk mitigation, certification and accreditation support, ST&E activities, audits, and corrective-action tracking. The role also supports government security policy implementation, endpoint hardening, threat monitoring, incident response, and security reporting at Ramstein AFB, Germany.

Designs, develops, and maintains multi-site communications network infrastructure. Manages accounts on physical and virtual machines, troubleshoots hardware, software, and networking issues, builds virtual machines, administers Windows and Linux servers, and maintains system documentation, monitoring reports, and logs. The role also performs server hardening, backups, STIG and SCAP compliance activities, routing and switching, firewall integration, and requires an active Secret clearance at Ramstein Air Base in Germany.

Leads engineering and operational sustainment for a theater-wide air surveillance and communications system. Manages technical baselines, network design, maintenance, compliance, configuration management, fault isolation, performance monitoring, systems integration, modernization, and enterprise architecture evaluations. Supports hardware, software, and network sustainment, briefs military leadership, and assists field service representatives across Europe. Requires an engineering degree, 8+ years of relevant experience, operational air defense systems expertise, and an active Secret clearance.

Supports cybersecurity authorization and compliance for classified information systems across on-premises and cloud environments. Develops and maintains security plans, assessment reports, control matrices, continuous monitoring documentation, POA&Ms, and system procedures. Conducts audits, security impact analyses, configuration reviews, vulnerability and incident reporting, and RMF activities from Prepare through Monitor. The role requires active Top Secret/SCI clearance, SAP support, an approved IAM certification, and 100% onsite work in Colorado Springs.