Top Security Engineer Jobs in Denver & Boulder, CO

As a Security Engineer, safeguard Runpod's GPU cloud platform, conduct security assessments, implement fixes, and foster a security-first culture with development teams.

Lead security architecture, threat modeling, and enterprise risk management. Drive incident response, DevSecOps enablement, secure SDLC practices, and mentor engineers while aligning security with compliance and business needs.

Support product security efforts in missile defense through cybersecurity engineering, vulnerability management, and compliance with various cybersecurity protocols, while collaborating with multiple teams to integrate cybersecurity tools.

The Product Security Engineer at Cedar will develop security tools, advise product engineers, and enhance workflows to ensure secure software development while fostering collaboration and communication with teams.

Design, implement, and automate infrastructure security controls across multi-cloud and containerized environments. Build secure IaC and guardrails (Terraform, Go), review cloud and data platform architectures, partner with engineering to embed security, advise senior stakeholders, and drive incident response and continuous security improvements.

Design, implement, and automate security configurations for corporate endpoints (macOS, Chromebooks, mobile), build automation and integrations, perform security reviews of enterprise systems, and collaborate with IT and engineering to integrate endpoint and SaaS security into company initiatives.

As a Principal Engineer, you will lead the Infrastructure Security Team to create and implement multi-year security strategies, architect security frameworks, and mentor engineers, ensuring security standards across cloud infrastructure.

The Security Engineer, Blockchain will review and analyze blockchain applications for security vulnerabilities, develop tools, and contribute to security practices, focusing on smart contracts and blockchain ecosystems.

The Security Engineer II will enhance security tooling, automate detections, perform vulnerability assessments, and support engineers with security best practices and incident response.

As a Principal Security Engineer, you will lead security initiatives, design secure systems, automate processes, and mentor teams, ensuring safe technology usage.

Lead security engineering for radar products: derive requirements, design and implement embedded security across heterogeneous processors (CPUs, GPUs, FPGAs), perform architecture assessments and vulnerability mitigation, develop test strategies, secure APIs and firmware, support milestone reviews, brief customers, and collaborate cross-functionally to integrate security from design through deployment.

As a Security Engineer focusing on Detection & Response, you will manage security operations, engineering detections, and incident response while collaborating with IT and security teams.

As a Principal Security Engineer in Data Security, you will spearhead Upstart's data security program, architect software solutions, partner cross-functionally, and mentor teams while ensuring effective protection of sensitive data.

The Senior Offensive Security Engineer will assess digital security of physical spaces, conduct penetration tests, identify vulnerabilities, and present findings to stakeholders, ensuring security best practices are integrated throughout device lifecycle.

As a Lead Security Engineer, you'll enhance Klaviyo's security posture by designing scalable security controls, conducting risk assessments, and mentoring junior engineers while collaborating with various teams and utilizing innovative solutions against emerging threats.

The Senior Product Security Engineer will focus on enhancing the security of MongoDB's products and services, ensuring the safety and privacy of data. Key responsibilities include identifying and addressing security vulnerabilities and collaborating with engineering teams to integrate security practices.

The Staff Security Engineer will lead security architecture, enhance security practices, and drive cybersecurity initiatives for Forge while ensuring compliance with regulations.

As a Security Engineer, assess and implement security measures for software supply chains, guide engineers on security risks, and manage security initiatives.

Design and build production-grade security automation and AI-assisted SOAR playbooks to convert detections into policy-driven responses. Integrate across identity, endpoint, network, cloud, and SaaS, embed guardrails, ensure measurable and auditable outcomes, and enable self-healing and resilient automation. Collaborate with platform owners and response teams and embed security controls into CI/CD and policy-as-code pipelines.

The Infrastructure Security Engineer will secure systems and tools at DigitalOcean, implement security solutions, and maintain security infrastructure.

The Sr. Security Engineer I leads incident response, threat detection, and engineering, managing investigations, enhancing detection capabilities, and mentoring analysts.

Hands‑on senior engineer to design, deploy, and operate enterprise data protection capabilities (Microsoft Purview, DLP, DSPM). Responsibilities include data discovery, classification, labeling, encryption, detection logic, integration with identity/endpoint/SIEM, incident support, automation, and cross‑functional partnership to reduce data exposure and improve control effectiveness.

The Staff Software Engineer will design and maintain authentication and identity systems, focusing on reliability, scalability, and security integration across the platform.

The Senior Security Engineer will establish secure software development standards, conduct security assessments, and develop security tools while fostering a security-conscious culture across teams.

As a Cloud Security Engineer, you'll secure cloud infrastructure, manage AWS and Kubernetes security solutions, conduct assessments, and mentor engineers.