Infrastructure Engineer – Identity & Access Management (IAM)

Transport For London; London; Hybrid; GBP 50,000 - 55,000; Full time

Job summary

A transportation authority in London is seeking an Infrastructure Engineer specializing in Identity & Access Management (IAM). In this full-time role, you will maintain and upgrade core IT infrastructure while mentoring junior team members. Candidates should have a solid understanding of Active Directory and associated services. A hybrid working model is available with competitive benefits including a pension scheme and free travel on the network.

Benefits

Final salary pension scheme

Free travel for you on the TfL network

75% discount on National Rail Season Ticket

30 days annual leave plus public and bank holidays

Private healthcare discounted scheme

Tax-efficient cycle-to-work programme

Qualifications

• Demonstrable knowledge as a technical Subject Matter Expert.
• Experience working within governance controls.
• Ability to support operational/business services.

Responsibilities

• Maintain and upgrade infrastructure for Active Directory.
• Act as a Subject Matter Expert for technical Identity services.
• Provide technical leadership and mentoring to junior team members.

Skills

Good understanding of Microsoft Active Directory and Entra ID

Good understanding of Conditional Access

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

Understanding of Quest On-Demand

Understanding of Entra ID Business to Consumer (B2C)

Understanding of Azure Information Protection (AIP)

Job description

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Infrastructure Engineer – Identity & Access Management (IAM), London

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Client:

Transport For London

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

832bc9de0bb9

Job Views:

25

Posted:

12.08.2025

Expiry Date:

26.09.2025

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Job Description:

Infrastructure Engineer – Identity & Access Management (IAM) 046296

Organisation

-Customers, Communication and Technology

Job

-Technology Service OperationsPosition Type-Full Time

Infrastructure Engineer – Identity & Access Management (IAM) – Permanent
Location: North Greenwich, London/Hybrid. Flexibility needs can be discussed if you are shortlisted.
Salary: Band 3 £50k-£55k

Job Description
This is 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)

Application Process
Please apply using your CV. 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.Currently in our department, disability, neurodiversity, and women are vastly underrepresented. We therefore welcome and encourage applications from these and other minority groups.

The closing date for applications is 22nd August 2024.

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.

Benefits

In return for your commitment and expertise, you will enjoy excellent benefits and scope to grow. Rewards vary according to the business area but mostly include:

Final salary pension scheme

Free travel for you on the TfL network

A 75% discount on National Rail Season Ticket and interest free loan

30 days annual leave plus public and bank holidays

Private healthcare discounted scheme (optional)

Tax-efficient cycle-to-work programme

Retail, health, leisure and travel offers

Discounted Eurostar travel