Systems Engineer II

About the role This role sits within the workplace Identity team which is part of the Tesco Workplace Technology engineering team, part of a global engineering function delivering secure, scalable, and modern workplace solutions for Tesco colleagues. As advanced engineer with expertise in Identity technologies, you will contribute (with opportunity to lead) to full technology lifecycle from strategy and design through to engineering, testing, and delivery for the services that underpin our digital colleague experience. You will be responsible for Strategic Leadership Act as an advanced engineer for Identity within the Workplace Technology team, contributing to direction, roadmap, and architectural standards for core identity services including Active Directory, Entra ID, PKI, and modern authentication protocols. Understanding the Identity strategy in relation to Tesco's broader digital workplace vision, collaborating closely with senior engineers, project management, architects, product managers, security, and infrastructure teams. Keep yourself up to date with market trends and emerging technologies in identity and access management, contribute to advocation for their adoption where beneficial. Engineering Delivery Deliver secure, scalable identity platforms that support global business needs and enable modern digital workplace capabilities. Contribute to the design with opportunity to lead. Engineer solutions across the identity lifecycle: concept, evaluation, prototyping, testing, production deployment, and service transition. Implement automation, codification (IaC), and integration with CI/CD practices to drive efficiency and resilience. Contribute to escalations for complex issues related to authentication, replication, certificate lifecycle, hybrid identity, and directory services. Operational Excellence Build systems that are secure, stable, and easy to operate, with monitoring, alerting, and lifecycle planning embedded by design. Champion remediation of legacy identity components and uplift the security and operational posture of all identity services. Ensure knowledge is well documented and transitions smoothly into operational support with clear SLAs and handover practices. Governance Security Contribute to adoption of Zero Trust principles, secure admin tiering, modern auth standards, conditional access, and multifactor authentication. Co-own the health, design, and policy of PKI infrastructure and associated services (including certificate templates, CRLs, and HSMs). Work closely with the Security and Risk teams to ensure compliance with internal controls, regulatory obligations, and audit findings. Leadership Influence Represent Workplace Technology Identity Engineering across Tesco Technology and into broader cross-functional initiatives. Lead by example in engineering excellence, stakeholder engagement, and mentoring of less experienced engineers. Promote a culture of simplification, technical rigour, and continuous improvement. You will need Required Skills Experience Deep expertise in at least one, and experience with all: Active Directory: design, hardening, replication, domain controller lifecycle, GPOs, admin tiering. Azure AD / Entra ID: hybrid identity, conditional access, MFA, identity protection, SSO, SCIM. Public Key Infrastructure (PKI): policy, lifecycle, templates, automation, CRL/OCSP, HSMs. Authentication protocols: OAuth2, OpenID Connect, SAML, Kerberos, NTLM, WS-Fed. Disclaimer : This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.