Top Cyber Security Jobs in Denver & Boulder, CO

Own the security and identity architecture for CDW’s MyCDW ServiceNow platform. Lead consolidation of Entra, Okta, and ServiceNow authentication; architect SailPoint-to-Entra IGA migration; define RBAC, lifecycle, certification, governance, and compliance controls; and guide threat modeling, monitoring, risk reduction, and remediation. Partner across technology and compliance teams, lead IAM and security engineers, manage vendors, and develop strategic roadmaps for secure, cost-effective platform transformation.

Lead and mentor a small IT security engineering team to deploy and operate enterprise-grade Zero Trust security across networks, endpoints, applications, and cloud. Drive Customer Zero initiatives, manage cross-functional security projects, optimize policies (SSL decryption, segmentation, access control), and serve as an internal subject-matter expert.

Provide cybersecurity engineering support for programs: validate security requirements and designs, perform technical assessments and A&A documentation under NIST RMF, support incident response, identify and mitigate system risks, and implement enterprise security controls using tools like Splunk, Tenable, and HBSS. Requires coordination with engineers, PMs, and stakeholders and maintaining system Authorizations to Operate.

Provide cybersecurity engineering support to develop, validate, and maintain secure systems. Manage cyber requirements, perform technical security assessments, support Incident Response and Assessment & Authorization (A&A) per NIST RMF, produce A&A documentation, mitigate risks, and advise architects and program stakeholders on security design and compliance.

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.

Senior security engineer responsible for developing automation and tooling, building and deploying security solutions, conducting incident response and proactive threat hunting, supporting investigations through data analysis, and advising development teams. Must document solutions, participate in agile teams, mentor juniors, and continuously research evolving security threats.

Lead applied research on agentic AI for cybersecurity: develop efficient post-trained models, agent designs, and rigorous evaluation/verification. Partner with security teams to translate research into products, run experiments, and publish novel techniques.

Entry-level System Security Engineer supporting cybersecurity engineering for space and mission systems. Manage cyber requirements, design secure systems using MBSE, validate technical security implementations, and support Assessment & Authorization (A&A) to obtain/maintain Authorizations to Operate (ATO). Collaborate with cross-functional teams, apply NIST/DISA/CIS standards, perform risk analysis and security planning, and integrate DevSecOps and software security engineering practices into system development.

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 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.

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.

The Staff Security Engineer will lead technical security initiatives, own architectural security decisions, mentor engineers, and align teams on security strategy while ensuring system integrity and compliance.

The Network Security Architect will assess network security, guide teams, enhance security policies, design network solutions, and mentor engineers while aligning with a Zero Trust Strategy.

As a Security Engineer, you will conduct security assessments, develop security tools, perform architecture reviews, and collaborate on advanced security research.

Designs, implements, and sustains cybersecurity capabilities across enterprise and mission systems. Performs continuous monitoring, vulnerability scanning, SIEM analysis, technical security assessments, control validation, risk prioritization, and remediation leadership. Engineers security controls into virtualized platforms, shared storage, and mission networks while troubleshooting Linux and Windows servers, endpoints, Cisco devices, and enterprise file systems. Ensures compliance with NIST, CNSS, DISA STIG, and related security frameworks.

Leads and supports offensive security consulting engagements, including network, web application, wireless, social engineering, red team, and purple team testing. Evaluates controls and security configurations, performs cybersecurity assessments, recommends remediation, and presents findings to technical and executive stakeholders. Supports client program execution, metrics, issue remediation, and continuous improvement. Mentors junior consultants and contributes to cybersecurity practice development, methodology innovation, and thought leadership.

Lead pre-sales security architecture engagements by designing and validating defense-in-depth solutions across hybrid, cloud, application, identity, endpoint, network, and data environments. Conduct security assessments, create remediation roadmaps, integrate security platforms, and support DevSecOps, SOC, detection engineering, incident response, compliance, and risk programs. Collaborate with sales, engineering, clients, and executive stakeholders to communicate technical trade-offs and deliver scalable enterprise security strategies.

Leads enterprise security configuration automation and engineering strategy, roadmap, and delivery. Oversees teams developing policy-as-code, configuration baselines, preventive and detective controls, posture management improvements, and security enforcement capabilities. Partners with security, technology, risk, finance, and business stakeholders to remediate control gaps and meet regulatory and audit requirements. Establishes metrics, evaluates investments, and builds a high-performing security engineering team.

Designs, implements, administers, and improves enterprise cybersecurity controls across endpoints, identities, cloud, email, networks, and applications. Investigates incidents, leads vulnerability management, performs architecture reviews and risk assessments, supports audits and compliance, and develops security standards, playbooks, documentation, and automation. Provides technical leadership and mentoring while aligning security practices with HIPAA, HITRUST, NIST, PCI DSS, and related requirements.

Administers and supports enterprise cybersecurity technologies across a nationwide healthcare network. Responsibilities include security monitoring, incident response, vulnerability remediation, identity and access management, endpoint and cloud security, system hardening, backup security, security project implementation, documentation, and collaboration with IT, engineering teams, and managed security providers.

Leads enterprise cryptography consulting engagements for executives and security leaders. Responsibilities include cryptographic risk assessments, post-quantum readiness, enterprise key management, HSM strategy, PKI architecture, encryption modernization, crypto-agility design, and migration roadmaps. The role develops governance, policies, standards, and risk-based transformation programs aligned with NIST, ISO, and regulatory requirements. It also includes client presentations, executive advisory, thought leadership, cross-functional coordination, workshops, and mentoring.

Designs, implements, and operates SASE and ZTNA architecture across GCCH and commercial environments. Owns identity-driven access controls, session management, telemetry, compliance mapping, dashboards, and audit evidence. Serves as the senior escalation point for incidents, performs root-cause analysis, integrates device posture and SOAR workflows, develops AI-enabled automations, collaborates with identity, network, compliance, and vendors, and mentors junior engineers.

Design, develop, and maintain Windows-focused PAM components including services, agents, and RDP handlers. Integrate with Windows APIs, authentication and privilege models, implement secure credential handling and policy enforcement, collaborate with backend teams, perform code reviews, and troubleshoot complex Windows OS and enterprise configurations.