Top Senior Cyber Security Jobs in Denver & Boulder, CO

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.

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.

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.

Partners with Sales to advise enterprise customers on cybersecurity, identity, access, asset visibility, exposure management, and risk solutions. Leads technical discovery, solution design, demonstrations, proof-of-value and proof-of-concept engagements, customer validation, training, and executive discussions. Translates technical capabilities into business outcomes, creates customer-facing documentation, supports events, and collaborates cross-functionally to advance sales opportunities and improve customer outcomes. Travel is typically 25–50%.

Lead corporate endpoint security architecture with a focus on macOS, designing secure-by-default controls, automation, patching, software distribution, and security baselines across macOS, iOS, Windows, and Linux. Manage configurations through Terraform, GitOps, version control, CI pipelines, and automated rollouts. Partner with IT and security teams to improve telemetry, detection, response, auditability, and operational efficiency. Mentor engineers and serve as a senior escalation point for complex endpoint security issues in a fully remote environment.

Own and improve enterprise security platforms, cloud and infrastructure security, identity governance, endpoint protection, vulnerability management, incident response, network controls, and DevSecOps practices. Lead complex security initiatives, compliance controls, vendor assessments, security architecture reviews, and AI security governance. Build automation with PowerShell and Python, partner with IT Operations and DevOps, reduce manual work, and serve as the senior escalation point for technical security incidents.

Lead enterprise AI security architecture, strategy, governance, and secure-by-design implementation across cloud, hybrid infrastructure, software, and AI/ML environments. Design security patterns for LLM hosting, agentic systems, vector databases, and inference endpoints; translate regulatory requirements into technical standards; review complex architectures; implement AI security guardrails and policy enforcement; advise engineering and product teams; and mentor teams while influencing senior stakeholders.

Provide cybersecurity engineering support for systems to achieve and maintain Authorizations to Operate (ATO). Validate security requirements and designs, perform technical security assessments, support RMF A&A documentation, incident response, risk management, and advise architects and PMs on secure implementations across the mission lifecycle.

Provide cybersecurity engineering support for space and mission systems: manage cyber requirements, validate technical security implementations, perform technical assessments, support RMF/A&A and authorization activities, assist incident response, advise architects on secure designs, and produce security documentation and risk mitigation strategies.

Designs, implements, and maintains enterprise security solutions; operates EDR, SIEM, web application firewall, and vulnerability-scanning tools; advances Zero Trust maturity; integrates security into DevSecOps, CI/CD, and infrastructure-as-code processes; addresses vulnerabilities and security gaps; develops security performance dashboards; and validates system designs against requirements.

Manage and lead engineering teams building endpoint security software: define and execute roadmaps, oversee SDLC and ISMS compliance, remove blockers, drive secure coding, coordinate with product and architects, recruit and develop staff, and manage budgets and operations.

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 U.S. Space Force ground-based radar systems by designing security architectures, conducting vulnerability assessments and compliance audits, evaluating RMF artifacts, implementing remediation and hardening solutions, and establishing certification, authorization, and compliance processes. Requires experience with DoD security standards, ACAS tools, STIG assessments, RMF controls, and active Secret clearance.

Lead development of security enforcement integrations that warn or block unsafe AI artifact installations, serve sanitized alternatives, and record audit events. Build reliable event-driven backend systems with queues, webhooks, idempotency, retries, back-pressure, approval flows, dry runs, audit logs, and rollback mechanisms. Integrate third-party security, infrastructure, and identity APIs, with potential future work on fleet-wide revocation controls and security platform integrations.

Leads information security architecture and program initiatives across IT and business projects. Provides security consulting, develops enterprise data, network, and application protection requirements, conducts threat analysis, vulnerability assessments, penetration testing, and remediation planning. Researches emerging threats and technologies, supports control testing and incident response, and guides security team members. Requires extensive information security leadership, application and network security expertise, secure architecture knowledge, and strong communication skills.

Leads account-level cybersecurity strategies and technical customer engagements for secure cloud, data, and AI adoption. Responsibilities include security architecture, solution design, demonstrations, workshops, pilots, technical validation, AI security guidance, stakeholder orchestration, Microsoft Security platform adoption, and measurable outcomes. The role partners with executives, security teams, Microsoft specialists, engineering, and customers to drive secure deployment, operational improvements, risk reduction, and platform expansion.

Designs and implements cybersecurity controls for mission-critical information systems under RMF, NIST, and DoW requirements. Performs configuration, vulnerability, and risk assessments; deploys security tools; supports A&A packages; manages vulnerabilities and incident remediation; and conducts security impact analyses. Provides technical leadership for cybersecurity integration across system lifecycles while maintaining compliance during emergency and depot-level maintenance. Produces security reports, threat analyses, and risk summaries, collaborating with engineering and program stakeholders.

Develop backend systems for large-scale web applications and security products primarily in Go. Write robust, modular code, optimize performance, participate in code reviews and documentation, and collaborate across technical and product teams. The role requires strong HTTP and networking knowledge, Linux, automation, shell scripting, and backend operations experience. Engineers participate in core US business hours and an on-call rotation, with occasional travel as needed.

Designs and delivers Qualys-based security and compliance solutions for enterprise customers across cloud and on-premises environments. Supports technical sales engagements, proofs of concept, architecture workshops, proposals, deployment health checks, and customer advisory activities. The role addresses asset and vulnerability management, patching, compliance, threat detection, application security, and remediation. It also contributes to product roadmap feedback, sales enablement, technical content, field training, and industry events, with at least 30% customer travel.

Lead AI security strategy and guardrails, design and review AI gateways and tooling, scale InfoSec review processes, reduce AI-driven security noise, drive remediation and investigations, and mentor security and platform engineers.

Lead system security engineering for aerospace/defense programs: define and validate cyber requirements, design secure systems (MBSE), manage A&A/ATO processes, integrate DevSecOps and cyber tools, perform risk assessments, and coordinate with stakeholders and program leadership.

Leads and coordinates MultiCare’s information security program, protecting internal IT, e-commerce, web, and cloud systems. Responsibilities include defining security policies and standards, deploying technical controls, strengthening cyber resilience, evaluating emerging security technologies, assessing threats and business impact, implementing incident detection and alerting strategies, designing breach countermeasures, and ensuring compliance with security regulations and privacy laws.

Leads cryptographic engineering for secure space and ground communications systems. Responsibilities include crypto unit trade studies, hardware and firmware integration, interface definition, testing, verification, key management, lifecycle management, requirements traceability, and compliance with cybersecurity and NSA standards. The role supports PKMA, represents crypto engineering in technical reviews, collaborates with government and industry partners, and mentors junior engineers. The position is on-site in El Segundo, California, or Colorado Springs, Colorado, with approximately monthly travel.