IT Infrastructure Engineer - Identity & Access Management (IAM)

Location: North Greenwich, London/Hybrid. Flexibility needs can be discussed if you are shortlisted.

Salary: £58,000 - £62,000 plus fantastic benefits

Job Description

This is a technical specialist role delivering technologies such as, Active Directory and underpinning services, Entra ID and associated services. IAM delivers technical expertise to aid the implementation, maintenance, and support of core technology along with providing technical guidance to junior team members.

You should have demonstrable knowledge of being a technical Subject Matter Expert, working within governance controls, and knowledge of both supporting operational/business services and delivering technical solutions.

Key Responsibilities 

• Maintain and upgrade infrastructure required for Active Directory inline with ITIL processes

• Act as a Subject Matter Expert to aid the business in delivering technical Identity and Directory Services solutions

• Provide technical leadership and mentoring to junior members of the team

• Be part of a 24/7 on call rota delivering support for underpinning technology within the business

• Deliver technical support to restore service when technology components fail for all pan TfL staff

Skills, Knowledge, and Experience

• Good understanding of Microsoft Active Directory and Entra ID

• Good understanding of Conditional Access

• Good understanding of Powershell scripting in Active Directory and Graph API

• Good understanding of core services such as DHCP, DNS and PKI

• Good understanding of Microsoft Windows Server Operating Systems (2012 onwards) 

• Good understanding of Group Policy

• Understanding of Quest Active Roles Server (preferable)

• Understanding of Quest On-Demand (preferable)

• Understanding of Entra ID Business to Consumer (B2C) 

• Understanding of Azure Information Protection (AIP)

Advert closes on Tuesday 22nd July 2025 at 23.59

Excellent Benefits include: 

• Final salary pension scheme
• Free travel for you on the TfL network 
• Reimbursement of 75% of the cost of a standard class Ticket for National Rail travel from home or 75% reimbursement on a 28-day flexi ticket
• 30 days annual leave plus public and bank holidays
• TfL is committed to work-life balance, operating a hybrid working approach where business and role requirements allow
• Private healthcare discounted scheme (optional)
• Tax-efficient cycle-to-work programme
• Retail, health, leisure and travel offers
• Discounted Eurostar travel

Additional Information
Please apply supplying your CV preferably in “.docx” format. This document should be A4, in Arial 12 font, and a maximum of 2 pages per document.

If you are shortlisted you may be invited to take part in a Video interview. We endeavour to give candidates as much notice as possible however some interviews/ assessments will be organised at short notice and will require a degree of flexibility. We reserve the right to close the application window early if we receive a high volume of suitable applications.

Equality, diversity and inclusion

We are committed to equality, diversity and inclusion. We want to represent the city we serve, which will help us become a more innovative and efficient organisation. Our goal is to make our recruitment as inclusive as possible. We are a disability confident employer who guarantee an interview to any disabled candidate who meets all of the essential criteria. We also use anonymising software that removes identifying information from CVs and cover letters to make the process fair.

Many of our staff work flexibly in many different ways. Please talk to us at interview about the flexibility you need. We'll see what we can do.

We understand a confidence gap can get in the way of meeting spectacular candidates. So please don’t hesitate to apply if you think you have what it takes even if you feel you don’t meet all the criteria. We’d love to hear from you.