Senior IT Infrastructure Engineer - Wintel

Salary

£72k to £75k (Dependant on skills and experience)

Location

• North Greenwich, London 50% Office Attendance Model
• Advert closes : Sunday 9th August at 23.59
• This role is not eligible for UK Sponsorship
• About Tf L and TP&O

Transport for London (Tf L) keeps London moving, serving millions of customers every day through one of the world's most complex and integrated transport networks.

Behind every journey is a diverse range of technology services that enable safe, reliable and efficient transport across the capital.

The work you do supports the future of sustainable transport.

Technology Products & Operations (TP&O) is responsible for the delivery, support and continuous improvement of the technology services that underpin Tf L's operations.

Joining Tf L means being part of an organisation where technology has a direct impact on people's lives, helping deliver better services for customers, colleagues and London as a whole.

As part of a large and diverse technology function, you'll have opportunities to broaden your skills, build valuable networks and explore future career progress.

Department Overview – Networks and Hosting

The IT Networks and Hosting team, within TP&O are responsible for Microsoft (including Windows, Azure and SQL), AWS, Oracle and LINUX technologies managing and maintaining Tf L’s core infrastructure at a virtual and physical layer.

The core servers we use includes Hyper Converged Infrastructure and full Windows Environments, hosting over 400 of Tf L’s Mission Critical and Business Critical services including The Elizabeth Line, London Underground, Overground, Buses and Oyster/Contactless which ultimately keep Tf L services running .

The Team (Wintel Platform)

The Wintel platform team is made up of approximately 20 Windows IT Infrastructure platform specialists, working together across multiple workstreams including day to day operational activities and Project Delivery.

About the Role

As a senior technical specialist, you will play a key role in maintaining and evolving our infrastructure platforms, leading major incident resolution, driving automation initiatives, supporting strategic projects, and providing expert guidance across the organisation.

You will work independently, making informed technical decisions and/or recommendations that support operational excellence while contributing to the future direction of infrastructure services.

This is a critical technical lead role responsible for ensuring the health, performance, security, and resilience of enterprise infrastructure services across a complex and large-scale environment.

Key Duties

• Ensure the operational health, availability, performance, and resilience of infrastructure services.
• Lead and support incident resolution, problem management, service requests, and change activities in line with IT Service Management best practices.
• Deliver proactive lifecycle management and continuous service improvement initiatives.
• Drive cyber security vulnerability remediation within your technical area.
• Contribute to the design and assurance of complex infrastructure solutions and architecture.
• Lead root cause analysis activities for major incidents and recurring technical issues.
• Provide technical leadership on infrastructure projects and strategic workstreams.
• Assess technical risks and provide recommendations on significant technology changes
• Champion Infrastructure-as-Code (Ia C) and automation initiatives to improve efficiency, consistency, and service quality.
• Evaluate emerging technologies and contribute to infrastructure roadmaps and standards
• Collaborate with architects, product managers, service operations teams, cyber security specialists, vendors, and business stakeholders.
• Communicate complex technical concepts clearly to both technical and non-technical audiences.
• Mentor and coach engineers, acting as a technical leader within the team.
• Proven experience as an IT Senior Infrastructure Engineer, Lead Engineer, or Technical Architect.
• Extensive experience implementing, supporting, and managing infrastructure within large-scale enterprise environments (2,000+ servers), including physical, virtual, and cloud platforms.
• Strong operational experience balancing service restoration priorities with technical excellence.
• Experience working with senior stakeholders and delivering business value through technology services.
• Demonstrable experience delivering customer-focused IT services.
• Technical Knowledge
• Deep technical expertise in enterprise infrastructure technologies, networks, hosting platforms, and cloud services.
• Strong understanding of infrastructure architecture, service resilience, and enterprise technology standards.
• Knowledge of modern automation frameworks, Infrastructure-as-Code, and operational best practices.
• Understanding of cyber security principles and vulnerability management.

Skills & Attributes

• Excellent troubleshooting and problem-solving capability.
• Strong planning, coordination, and delivery skills.
• Excellent communication and stakeholder management abilities.
• Skilled in risk assessment and decision-making.
• Ability to influence, mentor, and lead IT Infrastructure Engineers and peers.
• Degree in Computer Science, Information Technology, or a related discipline, or equivalent professional experience.
• Relevant industry certifications are desirable.
• Technical Knowledge & Skills - Detail
• Microsoft Windows Server 2016, 2019, 2022 and 2025
• Hyper Converged Infrastructure – DELL AX & Dell Vx Rail
• VMware v Sphere
• Microsoft Active Directory, DNS and DHCP
• Power Shell – to enable automation through scripting
• Azure and AWS Public Cloud
• Forcepoint Web Security Solutions
• Microsoft Defender Antivirus Solutions
• Knowledge of Microsoft SCCM and the application of critical patches
• F5 load balancing technology
• Dynatrace
• Server Vulnerability Management

Note: If you have some but not all of these skills, support and training will be provided.

Excellent Benefits include

• Final salary pension scheme
• Free travel for you on the Tf L 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
• Tf L is committed to work-life balance, operating a hybrid working approach where business and role requirements allow
• Tax-efficient cycle-to-work programme
• Retail, health, leisure and travel offers
• Discounted Eurostar travel
• Additional Information
• 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.

At Transport for London, safety, trust and fairness sit at the heart of how we recruit.

Our Vetting Charter (https://tfl. gov. uk/corporate/careers/our-vetting-process ) explains the checks we carry out before you join us, helping ensure we create a safe, inclusive and reliable network for everyone who depends on our services.

We simply ask that the information you provide is honest and accurate so we can progress your application smoothly.

If something doesn’t match or can’t be verified, we may not be able to move forward with your application but we’ll always treat you with transparency, respect and clear communication throughout.

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