Top Entry Level Cyber Security Jobs in Denver & Boulder, CO

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.

Designs and secures enterprise AI platform foundations for mission-critical environments. Responsibilities include threat modeling, tenant isolation, identity and authorization architecture, secure CI/CD, compliance-by-design, and protection of systems executing untrusted code, tools, or agent actions. The role partners with client engineering, product, security, and business stakeholders to deliver secure, reliable, and compliant platform capabilities.

The fellowship provides military spouses and separating service members with cybersecurity training and hands-on experience through projects and vendor training, aimed at enhancing their security skills.

Designs and implements security controls across cloud platforms, operating systems, Kubernetes, networks, and CI/CD. Audits infrastructure for weaknesses, develops security and privacy improvements, performs threat modeling, and drives remediation. The role includes software development, infrastructure security, incident containment, and technical security analysis while collaborating with engineering teams in a distributed startup environment.