Infrastructure Engineer

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Location: London, Docklands (Hybrid – minimum 4 office days per fortnight)

Salary: £53,833 – £60,000 (depending on experience)

Contract: Permanent, Full Time (35 hours)

Join a team where Purpose drives everything we do, Ambition fuels our growth, Trust builds our foundation, and Respect shapes our culture.

About the role

We're looking for an experienced Infrastructure Engineer to join our Collaboration & Identity team, responsible for the Microsoft technologies that keep our organisation connected, secure and productive. You'll support and improve our Microsoft collaboration platforms whilst helping deliver new capabilities, automation and continuous improvements. You'll work across technologies including Microsoft 365, Exchange, Active Directory, Entra ID and Teams, collaborating with colleagues across Infrastructure, Cyber Security and Architecture to deliver reliable and secure services. You’ll be joining a collaborative engineering team responsible for some of the organisation's most critical technology platforms. We encourage continuous learning, knowledge sharing and innovation, giving you the opportunity to work with modern Microsoft technologies. This is more than a BAU support role—you'll have the opportunity to influence how our Microsoft 365 estate evolves.

What you'll be doing:

• Supporting and improving Microsoft collaboration and identity platforms.
• Delivering upgrades, new features and continuous improvements.
• Troubleshooting complex technical issues and acting as an escalation point.
• Automating administration using PowerShell and scripting.
• Maintaining secure identity and email services using modern best practices.
• Producing technical documentation and contributing to solution design.
• Sharing knowledge and supporting colleagues across the team.

What we’re looking for (Minimum Criteria):

• Demonstrable hands-on experience administering and supporting Microsoft 365 collaboration services in an enterprise environment, including Exchange Online/Hybrid, Entra ID and Microsoft Teams.
• Experience with digital identity technologies including Entra ID, Active Directory, Conditional Access and modern access controls such as least privilege, PIM and JIT access.
• Proven experience troubleshooting complex technical issues and delivering improvements, upgrades and new capabilities across collaboration and identity platforms.
• Experience using PowerShell or other scripting and automation technologies within enterprise environments.

You will have demonstrable technical experience with the following:

• Microsoft 365 administration
• Microsoft Entra ID
• Digital identity and data lifecycles
• Exchange Online and Exchange Hybrid
• Active Directory
• Microsoft Teams
• Microsoft Purview and Security tooling
• Email routing and authentication (SPF, DKIM, DMARC)
• PowerShell scripting and automation
• Identity and access management concepts such as Zero Trust and least privilege

It would also be nice for you to have:

• Experience with telephony systems.
• A natural flair for solving problems, continually improving services and working collaboratively within an enterprise IT environment.

Why you'll love working with us

We are a values-led organisation. Our values define our culture, influence our decisions, and underpin our vision and strategy. They set out how we play our PART through Purpose, Ambition, Respect and Trust.

You can learn more about our values here: Values

We also offer an attractive, competitive salary and flexible benefits to suit our people. Here’s a list of some of the many benefits and perks you can get for working with us:

• 25 days holiday entitlement, with the option to buy extra or sell days
• Generous pension
• Various Family Friendly Policies, including enhanced maternity pay, carers and dependants leave
• Employer provided benefits such as Private medical insurance, virtual GP, Critical illness cover, Life assurance cover, to name a few
• Choice of voluntary benefits including Technology scheme, Cycle to work scheme, Will-writing service amongst others
• Gym membership discounts, and a fully equipped on-site gym open 24/7 in London only

Let’s make this easy - Apply in a few minutes. Apply with your up to date CV, ensuring you are highlighting where your experience fits the minimum criteria by closing date 16th August 2026.

The next stage of the assessment process will be a MS Teams interview and/or an online assessment. A full job profile is available on request and will be provided to candidates shortlisted to the first stage of the assessment process.

The Financial Ombudsman is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all our team. We view diversity as fundamental to our success and welcome applications from underrepresented groups across all communities. Please click on the link below to find out more: Diversity and Inclusion

Don’t miss out, be part of the journey and take advantage of this opportunity.

Authenticity of applications: To ensure a good candidate experience we do not use AI tools for our screening process. As such we value authentic personal applications.

We wish you the best of luck with your application.