Senior Identity Systems Engineer – Hybrid AD & PKI Expert

Tesco Plc; Welwyn Garden City; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading retail company in the UK is seeking a Systems Engineer III for workplace technology focusing on Identity. You will lead the technology lifecycle for identity services, ensuring secure and scalable solutions for Tesco colleagues. This role requires deep expertise in Active Directory, Azure AD, and PKI, alongside leadership in driving operational excellence and compliance with security standards. The position offers full-time employment with competitive benefits and a mid-senior level within the Information Technology function.

Benefits

Annual bonus scheme of up to 20% of base salary

Holiday starting at 25 days plus a personal day

Private medical insurance

Maternity and adoption leave at full pay

Free 24/7 virtual GP service

Qualifications

• Deep expertise in Active Directory, Azure AD / Entra ID, PKI, and authentication protocols.
• Proficiency in scripting and automation tools like PowerShell and Terraform.
• Experience in designing and delivering identity platforms in large, complex environments.

Responsibilities

• Lead the technology lifecycle for identity technologies at Tesco.
• Design and deliver scalable identity platforms.
• Drive adoption of Zero Trust principles and work with security teams.

Skills

Active Directory

Azure AD / Entra ID

Public Key Infrastructure (PKI)

Authentication protocols

Scripting and automation tools

Monitoring and disaster recovery practices

Job description

A leading retail company in the UK is seeking a Systems Engineer III for workplace technology focusing on Identity. You will lead the technology lifecycle for identity services, ensuring secure and scalable solutions for Tesco colleagues. This role requires deep expertise in Active Directory, Azure AD, and PKI, alongside leadership in driving operational excellence and compliance with security standards. The position offers full-time employment with competitive benefits and a mid-senior level within the Information Technology function.