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PKI Architect

Tata Consultancy Services LimitedSydney, New South Wales🇦🇺AustraliaPosted 9 Jul 2026

Quick Overview

Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior

Job Description

Primary Responsibilities
  • Enterprise PKI Architecture - Define and maintain PKI architecture, includingCA hierarchy, trust models, certificate policies, and security controls.
  • CA/RA Governance - Oversee Certificate Authority and Registration Authority operations, ensuring secure issuance, renewal, and revocation processes.
  • Cryptographic Standards Management - Establish and enforce cryptographicpolicies, key management procedures, algorithm standards, and HSMgovernance.
  • Infrastructure Security - Ensure secure deployment of PKI components,including OCSP, CRL distribution, offline root CA protection, and high-availability configurations.
  • Integration & Enablement - Integrate PKI with enterprise systems such as IAM,TLS/SSL, MDM, IoT, cloud platforms, and internal applications.
  • Risk, Audit & Compliance - Conduct PKI risk assessments, supportinternal/external audits, and ensure compliance with NIST, ISO 27001, andregulatory requirements.
  • Documentation & Policy Development - Develop and maintain CP/CPSdocuments, architecture diagrams, operational procedures, and governanceframeworks.
  • Incident Response Support - Provide expertise during cryptographic incidents,certificate failures, or trust-related security events.
Required Qualifications
  • Cryptography Expertise - Deep understanding of X.509, PKCS standards,OCSP, CRL, key algorithms, and secure key lifecycle management.
  • PKI Platform Experience - Hands-on experience with enterprise PKI systems,HSMs, CLM tools, and CA/RA operations.
  • Security Framework Knowledge - Familiarity with NIST 800-53, ISO 27001/2,and cryptographic compliance requirements.
  • Automation & Scripting - Proficiency in PowerShell, Python, or Shell scriptingfor PKI automation and operational efficiency.
  • Bachelor's or Master's degree in Computer Science, Information Security, or arelated discipline.

Skills

Shell
Compliance
IoT
PKI
PowerShell
Python

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