Cyber Security Engineer - RADIUS, TACACS+

What You’ll Do: Cybersecurity & IAM Engineering Design and implement secure architecture and AAA solutions for network devices and Linux/Unix environments. Develop and integrate authentication and authorization technologies including RADIUS, TACACS+, LDAP, TLS, EAP-TLS, and mTLS. Support identity services leveraging Azure Entra ID, Secrets Management, and certificate-based authentication. Conduct security assessments, audits, and risk analyses to identify vulnerabilities and drive remediation efforts. Automation & Agentic AI Automate manual IAM and access management workflows to improve efficiency and reduce operational risk. Build and integrate Agentic AI solutions to automate authentication and authorization processes, improve decision-making, and enhance observability and auditability. Development & Integration Develop scalable full-stack applications and security automation solutions using Python, Perl, Node.js, and React. Design and implement integrations using REST APIs, message queues, and enterprise identity platforms. SDLC & Operations Participate in all phases of the software development lifecycle, including requirements gathering, architecture, design, testing, deployment, and production support. Investigate and respond to security incidents, perform root cause analysis, and implement corrective actions. Document technical solutions, processes, and recommendations for leadership and stakeholders. Leadership Provide technical guidance to project teams and junior engineers. Collaborate across engineering, infrastructure, and cybersecurity organizations to deliver secure, scalable solutions. Maintain awareness of emerging threats, technologies, and industry best practices. What You’ll Need, The Cyber Security Engineer supports the development, implementation, and maintenance of the cybersecurity program. Working under the direction of the Cyber Security Project Manage…

• 10 hours ago

Bachelor’s degree in Computer Science, Cybersecurity, Engineering, or related field. 5+ years of experience in cybersecurity engineering, IAM, network security, or a related discipline. Experience implementing AAA and IAM solutions in hybrid cloud environments. Strong knowledge of RADIUS, TACACS+, LDAP, TLS, EAP-TLS, mTLS, Azure Entra ID, and secrets management. Experience supporting Linux/Unix systems and network infrastructure. Proficiency with Python, Node.js, REST APIs, and automation frameworks. Strong analytical, problem-solving, and communication skills. Preferred Qualifications Experience with cloud security, Zero Trust architectures, and DevSecOps practices. Experience developing or integrating AI/Agentic AI solutions. Experience with React-based application development. Industry certifications such as CISSP, Security+, GIAC, or Azure Security Engineer. Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications. Skills Authentication, Identity Access Management (IAM), Python (Programming Language), RADIUS AAA, Requirements Analysis, TACACS, While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience

Make your mark at Comcast – a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace. Join us. You’ll do the best work of your career right here at Comcast. (In most cases, Comcast prefers to have employees on-site collaborating unless the team has been designated as virtual due to the nature of their work. If a position is listed with both office locations and virtual offerings, Comcast may be willing to consider candidates who live greater than 100 miles from the office for the remote option.), Make your mark at Comcast – a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hu…