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Job Title: Principal Cybersecurity Architect - Private Key Infrastructure (PKI) & Encryption Technologies

Remote, USA Full-time Posted 2026-06-17

Job Description:

Join our innovative team at AT&T as a Principal Cybersecurity Architect, where you will play a critical role in maintaining and growing our Private Certificate environment for encryption and authentication. As a seasoned expert in PKI and encryption technologies, you will be responsible for managing and expanding our critical architecture to support the increasing demands of our applications and customer growth.

About the Company and Team:

At AT&T, we are redefining the future of communications and technologies. Our Chief Security Office team is dedicated to delivering cutting-edge and dependable security solutions to ensure robust protection for our customers. Our team works with the latest advancements in encryption algorithms and cryptographic techniques, leveraging state-of-the-art tools and technologies to stay ahead of evolving threats. We foster a supportive and inclusive environment, promoting collaboration, continuous learning, and innovation.

Key Responsibilities:

  • Maintain and grow our current Private Certificate environment for encryption and authentication
  • Manage and expand our PKI infrastructure to support increasing demands of applications and customer growth
  • Collaborate with cross-functional teams to design and implement new encryption methods and solutions
  • Stay up-to-date with the latest trends and advancements in cybersecurity and encryption

Requirements:

  • 10+ years of experience in PKI (Public Key Infrastructure)
  • Strong knowledge of encryption algorithms, secure protocols, and cryptographic libraries
  • Experience with large Public & Private Certificate environments
  • Strong SaaS Cloud computing environment knowledge and demonstrable skillset
  • Linux system administration experience (primary focus)
  • Excellent organizational and communication skills

Desired Skills:

  • CISSP certification or equivalent
  • Experience with other encryption technologies besides Digital Certificates
  • Microsoft Azure or AWS certifications (e.g., AZ-900, AZ-500, AZ-203, AZ-305, AWS Certified Solutions Architect, AWS Certified Security Specialist)
  • Bachelor's degree in Information Systems, Engineering, or Cyber Security

What We Offer:

  • Competitive salary range: $158,200 - $237,400 per year
  • Comprehensive benefits package, including medical, dental, vision, 401(k), and tuition reimbursement
  • Paid time off, holidays, and parental leave
  • Opportunities for career growth and professional development
  • Employee discounts on AT&T services and products

How to Apply:

If you are a motivated and experienced cybersecurity professional looking to join a dynamic team, please apply now. We encourage you to submit your application, even if you don't feel you meet every requirement. We are looking for talented individuals to join our team and contribute to our mission of delivering innovative security solutions.

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