Principal Cybersecurity – PKI Strategy Lead at AT&T

Charlotte, North Carolina, United States

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Not SpecifiedCompensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Telecommunications, CybersecurityIndustries

Requirements

8+ years of experience in PKI, cryptography, and cybersecurity architecture
Deep knowledge of X.509, CRLs, OCSP, CA hierarchies, and trust models
Strong scripting and automation skills (Python, PowerShell, Bash)
Experience with certificate management platforms and cloud-native security
Proven ability to lead enterprise-scale security programs and influence policy
Preferred certifications: CISSP, CISM, or equivalent; Microsoft Azure Security Engineer Associate (AZ-500); AWS Certified Security – Specialty; DigiCert Digital Trust Solutions Engineer or equivalent PKI certification

Responsibilities

Design and lead the implementation of scalable PKI architectures, including root, intermediate, and issuing CA hierarchies
Define and maintain Certificate Practice Statements (CPS) and ensure alignment with enterprise security policies
Oversee certificate issuance, renewal, revocation, and automation across public and private environments
Integrate certificate management with platforms such as DigiCert, KeyFactor, and internal tools
Ensure compliance with NIST, FIPS 140-2, ISO 27001, and internal standards
Lead cryptographic agility efforts, including readiness for post-quantum cryptography
Automate PKI operations using Python, PowerShell, Bash, and tools like Ansible and Terraform
Integrate PKI with CI/CD pipelines and DevSecOps workflows
Architect PKI solutions for hybrid and multi-cloud environments (AWS, Azure, Akamai, F5)
Enable secure identity integration with IAM, SSO, and MFA systems

Skills

PKI

Public Key Infrastructure

CA Hierarchies

Certificate Practice Statements

Certificate Lifecycle Management

DigiCert

KeyFactor

NIST

FIPS 140-2

ISO 27001

Cryptographic Agility

Post-Quantum Cryptography

Automation

AT&T

Telecommunications services including wireless and broadband

About AT&T

AT&T provides telecommunications services, including wireless communications, broadband internet, and digital television, primarily in the United States. Its 5G network offers faster data speeds and more reliable connections, although availability can vary. The company caters to both individual consumers and businesses, offering various subscription plans that include options for unlimited data and bundled services that combine internet, TV, and phone. AT&T generates revenue mainly through subscription fees, device sales, and its streaming service, DIRECTV STREAM, which adds to its diverse offerings. In a competitive market, AT&T distinguishes itself with its extensive service range and strong brand presence.

Dallas, TexasHeadquarters

1876Year Founded

$43.3MTotal Funding

IPOCompany Stage

Consumer Software, EntertainmentIndustries

10,001+Employees