Top Cyber Security Jobs in Denver & Boulder, CO

Provide systems security engineering support for space/mission systems: manage cyber requirements, validate technical security implementations, support ATO/Assessment & Authorization, develop program protection and anti-tamper plans, perform threat analysis (including Threat Countermeasure Trees), brief leadership, and document security guidance and reports across the acquisition lifecycle.

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.

Design and implement secure AWS infrastructure, integrate development, operations, and security practices, automate infrastructure with CloudFormation and Terraform, assess vulnerabilities, manage incident remediation, and deploy scalable CI/CD solutions using Jenkins and GitLab. The role also involves applying cybersecurity tools, troubleshooting security infrastructure, analyzing data, advising clients, and leading others while maintaining professional and technical standards.

Designs and implements secure AWS infrastructure, integrating development, operations, and security practices. Automates infrastructure with CloudFormation and Terraform, conducts vulnerability assessments, implements security controls, manages incident remediation, and supports CI/CD through Jenkins and GitLab. The role also uses Python, CrowdStrike, and Palo Alto Networks while collaborating with clients and technical teams to improve cybersecurity, reliability, and infrastructure performance.

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.

Supports systems security engineering for defense and space programs by managing cyber requirements, validating security implementations, developing threat analyses, and supporting Assessment & Authorization activities. Contributes to security designs, Program Protection and Anti-Tamper plans, SSE plans, policies, briefings, and technical reports. Collaborates with architects, systems engineers, and subject matter experts while supporting firmware, gateware, software, embedded-system, and mission security initiatives.

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.

Own and improve Onebrief’s corporate security stack across endpoints, identity, SaaS, browsers, Zero Trust, EDR, SIEM, and MDM. Establish secure configuration baselines, detect and remediate drift, integrate telemetry, and build API-driven or infrastructure-as-code automation. Translate CMMC 2.0 and NIST-aligned requirements into continuously validated technical controls and reliable audit evidence. Partner with Corporate IT, Security Operations, GRC, and application owners to strengthen security posture and reduce manual compliance work.

Own and advance cybersecurity for satellites, flight software, ground systems, mission networks, communication links, and AWS infrastructure. Responsibilities include security architecture, threat modeling, vulnerability management, incident response, IAM, SIEM detection engineering, network defense, cloud security, DLP, security assessments, awareness training, and compliance with CMMC Level 2, NIST 800-171, and ITAR/EAR requirements. The role collaborates with aerospace, software, systems, and compliance teams and requires expertise in mission-system security.

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.

Leads cybersecurity engineering and Risk Management Framework execution across mission systems. Performs risk assessments, maintains RMF packages, validates controls, develops malware identification processes, evaluates secure hardware and software, coordinates patching and cybersecurity roadmaps, monitors security events, assesses configuration changes, and supports audits and incident response. The role also guides junior security analysts, participates in secure system design, and may travel domestically and internationally.

Leads OT/ICS and enterprise cybersecurity architecture for a federal critical-infrastructure modernization program. Responsibilities include requirements development, NERC CIP traceability, market research, RFI and vendor evaluation, lab testing, alternatives analysis, product recommendations, and executive briefings. The role bridges utility operational technology and IT security, covering access control, monitoring, asset management, vulnerability management, SCADA environments, and industrial systems. It is fully remote in the U.S. with up to 25% domestic travel and requires Public Trust eligibility.

Secure Wiz’s products, CI/CD systems, and production cloud infrastructure through threat modeling, security reviews, vulnerability management, detection and response, cloud and Kubernetes security baselines, policy-as-code, and automation. Partner with engineering, DevOps, operations, and Federal teams to implement scalable security controls, remediate risks, support FedRAMP requirements, and promote secure-by-design development practices.

Secure Windows products and devices through security design and code reviews, penetration testing, vulnerability research, fuzzing, and mitigation development. Build reusable security-review tools, identify vulnerabilities in operating-system features and native applications, investigate attack vectors, and collaborate with Windows engineering teams to implement scalable defenses. The role also involves engaging with external security researchers and communicating the business value of security investments.

Lead architecture and hands-on development of Microsoft's AI Safety Platform, building observability, detection, investigation, threat-hunting, and distributed data-processing capabilities. Design attack detection infrastructure, correlate high-volume telemetry, apply AI security research, conduct security and privacy reviews, and partner across engineering, science, and incident response teams. Mentor engineers and provide technical leadership for complex AI security systems.

Leads technical security sales engagements through demonstrations, proofs of concept, hackathons, architecture workshops, and customer consultations. Designs secure, scalable cloud and hybrid architectures, resolves technical blockers, and advises customers on Microsoft Security solutions, including Defender and Sentinel. Develops security posture recommendations, supports XDR, zero trust, cloud security, and AI adoption strategies, while influencing technical decisions and representing Microsoft in developer communities.

Designs and maintains cybersecurity architectures for classified ground-based radar systems supporting U.S. Space Force missions. Performs vulnerability assessments, compliance audits, RMF artifact reviews, remediation, system hardening, patching, and security control implementation. Establishes certification, authorization, compliance, inspection, and audit processes. Requires DoD cybersecurity standards experience, active Secret clearance, Security+ certification, ACAS tools, and RMF assessment expertise.

Lead security engineering across AI systems, cloud infrastructure, product security, GRC automation, GitHub controls, and compliance workflows. Develop AI-specific threat models and guardrails, automate security checks and evidence collection, strengthen AWS and GCP environments, manage CSPM tooling, and secure software supply chains. Partner with Engineering, Product, Legal, IT, and GRC to establish security programs and practical controls for Jasper’s AI platforms.