Specialization: PKI and Digital Certificate Management Managed end-to-end lifecycle of digital certificates including SSL/TLS and S/MIME, focusing on issuance, renewal, and revocation to maintain secure communications. Designed and implemented PKI solutions to enhance cybersecurity posture and protect sensitive organizational assets. Worked extensively with tools and platforms like DigiCert, Certificate Authorities, and cryptographic technologies. Investigated and resolved certificate-related issues across test and production environments to ensure system integrity. Applied strong knowledge of encryption, cryptography, and certificate life cycle management to support secure enterprise infrastructure.