Cyber Security Engineer - RADIUS, TACACS+

About the Role

This role ensures the integrity and security of the company's cyber infrastructure by designing robust system architecture and solving complex engineering challenges. It involves documenting technical processes, reporting outcomes, recommending innovative solutions, and supporting project teams while influencing engineering staff. The position requires maintaining a comprehensive understanding of network protocols and security strategies, with flexibility to work variable schedules, including nights and weekends, as necessary.

Responsibilities

• 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.

Requirements

• 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.

Skills

• Authentication
• Requirements Analysis
• RADIUS AAA
• Identity Access Management (IAM)
• Python (Programming Language)
• TACACS

Pay

New Jersey Pay Range: $104,958.81 - $157,438.22. Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience.

Benefits

Comcast provides best-in-class benefits to eligible employees, including:

• Comprehensive health, financial, and emotional support options.
• Personalized benefits and expert guidance to meet individual needs.
• Most sales positions are eligible for a Commission, while most non-sales positions are eligible for a Bonus.

Education

A Master's Degree is preferred. Comcast may also consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Relevant Work Experience

2-5 Years