Top Cyber Security Jobs in Denver & Boulder, CO

Secure Runpod’s multitenant GPU cloud infrastructure across bare-metal and virtualized environments. Responsibilities include designing workload and network isolation, hardening Linux kernels and container platforms, testing hypervisor and hardware security, developing low-level controls in C, Go, or Rust, securing GPU and PCIe interactions, and responding to infrastructure security incidents with forensic capabilities for ephemeral containers.

Leads AI-focused application security across software, cloud, hardware, and firmware. Conducts security assessments and AI-driven red-team exercises, develops secure-code fixes and AI-enabled security tooling, validates controls for LLM and agentic systems, and shapes organization-wide AI security strategy. Partners with engineering, hardware, and executive stakeholders to identify threats, implement mitigations, and safely adopt AI within security operations.

Lead Toast’s product and platform security organization, overseeing security platform engineering, application and cloud security, secure development practices, offensive security, vulnerability management, hardware security, and developer enablement. Partner with product and engineering leaders to establish secure defaults and scalable guardrails while reducing developer friction. Manage and grow a multi-team security engineering organization, expand security champions and tooling adoption, and align security posture with business and product priorities.

Architects and manages enterprise security engineering, threat detection, vulnerability assessment, security hardening, incident response, and security policies across cloud, on-premises, and SaaS environments. The role monitors security logs, supports compliance, advises on vendors and implementations, integrates security into the development lifecycle, and participates in on-call and change management activities.

Lead cryptographic security assessments of protocols, libraries, applications, and high-assurance systems. Analyze advanced cryptographic constructions, identify design and implementation weaknesses, validate exploitability, and recommend remediation. Build testing and analysis tools, manage client delivery, write precise technical reports, mentor engineers, contribute to methodologies and services, and support open-source research and technical publications.

Lead security architecture and design reviews, define standards for protecting sensitive healthcare data, build automated defenses, guide security monitoring and incident response, translate complex objectives into engineering requirements, and mentor engineers through code and design reviews.

Lead client engagements to design and implement secure network architectures (Zero Trust, SASE/SSE, segmentation, OT security). Manage teams, mentor staff, oversee enterprise network security configurations, and ensure project delivery and quality. Collaborate with clients to align security strategies with business objectives and drive innovation in network security practices.

Build and scale backend security platform services, including authentication, authorization, identity infrastructure, permission systems, and data models. Lead cross-team technical initiatives, standardize security solutions, collaborate with compliance and mission stakeholders, and influence architecture and engineering standards. The role requires strong system design, backend development, security expertise, technical leadership, and the ability to operate in sensitive environments.

Leads secure enterprise architecture design and GitLab Professional Services implementations across application security, cloud security, DevSecOps, identity, vulnerability management, and compliance. Guides SaaS, Self-Managed, and Dedicated deployment decisions; leads CI/CD, source control, and security-tool migrations; conducts risk assessments and threat modeling; supports pre-sales scoping and statements of work; coordinates cross-functional delivery; mentors consultants; and develops security enablement materials.

Secure CrowdStrike’s software supply chain and code-hosting environments by assessing GitHub organizations, open-source integrations, repositories, dependencies, and third-party packages. Implement repository guardrails, secret scanning, access controls, and automation; investigate supply-chain threats such as typosquatting and dependency confusion; promote secure coding and open-source compliance; and collaborate with engineering teams on security initiatives.

Build and maintain custom security tools, middleware, automation, APIs, integrations, dashboards, and security workflows. Integrate identity, endpoint, SIEM, SaaS, and other security platforms using APIs, cloud services, containers, and CI/CD. Translate security policies into secure, code-driven solutions while supporting SOAR, continuous monitoring, compliance, and cross-functional collaboration.

Own spacecraft and embedded-platform security architecture, threat modeling, PKI, cryptography, secure boot, firmware, FPGA, RF, and supply-chain security. Build production security tooling, foundational services, test frameworks, and validation platforms for resource-constrained systems. Lead penetration testing, security assessments, secure development practices, and organization-wide hardening initiatives while mentoring engineers and addressing novel space-based threats.

Owns security architecture and defensive controls for spacecraft, flight software, firmware, FPGA designs, RF systems, and hardware platforms. Designs embedded PKI, secure boot, cryptographic systems, key management, and supply-chain protections. Leads security assessments, penetration testing, tooling, and automated validation frameworks while driving secure development practices across engineering teams. Requires deep hardware, firmware, cryptography, and software expertise in high-assurance space systems.

Owns end-to-end security engineering, including risk identification, secure-by-default libraries, least-privilege guardrails, developer machine hardening, supply-chain security, and identity and authentication protections. Partners with compliance to implement effective controls for healthcare requirements such as HIPAA and HITRUST. The role requires production software engineering and security expertise, with broad autonomy in a fully remote environment.

Designs, implements, maintains, and improves cybersecurity controls across enterprise systems, networks, cloud environments, and applications. Deploys and troubleshoots security technologies, responds to incidents, identifies security requirements, supports audits and change management, documents procedures, analyzes risks, and delivers remediation recommendations. Collaborates with architects, project managers, engineers, and stakeholders to protect organizational data and infrastructure while automating repeatable security tasks.

Leads the strategy, lifecycle, financial performance, positioning, and growth of Arctic Wolf’s Endpoint Security portfolio. The role oversees product expansion, cross-sell opportunities, competitive analysis, M&A integration, and integration with managed security services. It also leads a global product management team, establishes product metrics and operating cadences, and represents endpoint strategy to executives, customers, analysts, and partners.

Designs and advances security architecture for Microsoft’s enterprise productivity environment. The role assesses evolving risk, analyzes systems and telemetry, develops reusable security patterns and tooling, partners with engineering teams on deployment, communicates risk and tradeoffs, and establishes priorities and roadmaps amid incomplete information.

Supports cybersecurity research for 5G and emerging 6G networks by developing RIC rApps, xApps, dApps, NWDAF analytics, AI/ML models, and closed-loop automation. Builds cloud-native microservices with containers and Kubernetes, integrates O-RAN and 3GPP interfaces, analyzes streaming network data, and collaborates on software testing, validation, documentation, and technical research related to secure, resilient energy systems.

Lead end-to-end red team and adversary emulation operations across cloud, identity, network, endpoint, hardware, and operational security environments. Develop offensive tooling, implants, and AI-driven autonomous agents for reconnaissance, exploitation, and post-exploitation. Serve as a technical lead for customer engagements, brief security executives, collaborate with blue teams and threat intelligence organizations, establish operational standards, and mentor senior operators.

Identify and remediate vulnerabilities across products and AWS infrastructure, respond to security incidents, close security tickets, integrate security controls into CI/CD, review code and infrastructure, support SOC 2 and CASA compliance, and strengthen access management, secrets handling, and cloud hardening.

Lead software security for Cisco’s IT and Enterprise Operations portfolio. The role owns security posture, threat modeling, secure architecture reviews, AI and LLM security, risk-based remediation, security metrics, and release risk reporting. It partners with engineering, product, and IT leadership to drive security outcomes without direct authority, coordinate security subject-matter experts, and reduce security debt across cloud-native applications and enterprise platforms.

Leads and builds NVIDIA’s AI Safety and Security Engineering team, hiring engineers across platform, security research, evaluation, and vulnerability tooling. Owns the Find, Validate, and Patch roadmap; guides architecture and evaluation trade-offs; partners with security, platform, and evaluation leaders; and communicates engineering progress clearly. The role requires extensive software engineering and engineering management experience, with expertise in complex systems, ML infrastructure, security tooling, or distributed platforms.

Develops secure, isolated attack scenarios across cloud, on-premises, and hybrid environments. Reproduces vulnerabilities, builds multi-step attack chains, creates automated graders and reward signals, and validates outcomes using system state and telemetry. The role also develops attack variants and benign comparisons to evaluate AI security agents, partnering with threat researchers, AI engineers, and environment engineers.

Lead security reviews, code audits, penetration testing, vulnerability research, and mitigation efforts for Microsoft Windows services. Develop reusable security tools and agents, identify attack vectors and architectural risks, demonstrate exploit impact, and collaborate with product engineering teams to design scalable defenses and improve security investments.

Architect and engineer multi-tenant SIEM, SOAR, EDR, telemetry, and cloud security platforms for managed security services. Build detection content, automate response workflows, optimize log ingestion, and secure customer connectivity. Lead technical discovery, onboarding, security assessments, remediation planning, escalations, solution design, and customer advisory engagements. Create architectures, runbooks, and documentation while shaping the MSSP technology strategy.