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Principal Cybersecurity Architect - Private Key Infrastructure (PKI) and Encryption Technologies

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

Join the forefront of cybersecurity innovation at AT&T, where you'll play a critical role in shaping the future of secure connectivity and data protection. As a Principal Cybersecurity Architect specializing in Private Key Infrastructure (PKI) and Encryption Technologies, you will be responsible for designing, implementing, and maintaining our cutting-edge encryption solutions, ensuring the security and integrity of sensitive data for millions of users worldwide.

Our Chief Security Office team is dedicated to delivering robust and dependable security solutions, leveraging state-of-the-art tools and technologies to stay ahead of evolving threats. As a key member of our team, you will collaborate with seasoned professionals in a supportive and inclusive environment, promoting collaboration, continuous learning, and innovation. We invest in your development through continuous training, certifications, and opportunities to attend leading industry conferences, empowering you to grow your career while making a significant impact on cybersecurity.

About the Role

  • Maintain and grow our current Private Certificate environment for encryption and authentication, ensuring seamless integration with our expanding applications and customer growth.
  • Design and implement new encryption methods and solutions, setting industry standards and driving innovation in cybersecurity.
  • Collaborate with cross-functional teams to identify and mitigate security risks, ensuring the integrity of our systems and data.
  • Stay up-to-date with the latest trends and advancements in cybersecurity, encryption, and PKI, applying this knowledge to continuously improve our security posture.

Requirements

  • 10+ years of experience in PKI, with extensive knowledge of encryption algorithms, secure protocols, and cryptographic libraries.
  • Strong problem-solving skills, with the ability to tackle complex security challenges with innovative solutions.
  • Excellent collaboration and communication skills, with the ability to work effectively in a diverse team environment.
  • Strong organizational skills, with the ability to prioritize tasks and manage multiple projects simultaneously.
  • Experience with Linux (System Admin primarily) and SaaS Cloud computing environments.
  • CISSP certification or equivalent, with a strong background in Security Fundamentals.

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, with additional sick leave and adoption reimbursement.
  • Opportunities for continuous learning and professional growth, with access to industry conferences and training programs.
  • A dynamic and inclusive work environment, with a team of innovative and passionate professionals.

How to Apply

If you're a motivated and experienced cybersecurity professional looking to make a meaningful impact, please submit your application, including your resume and a cover letter, to Apply To This Job.

AT&T is an equal employment opportunity employer, committed to diversity and inclusion. We welcome applications from qualified candidates of all backgrounds and perspectives.

Apply for this job

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