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DNS/DHCP/IPAM Administrator

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End date

Thursday 08 May 2025

Salary range

£55,755 - £61,950

We support agile working

Click here for more information on agile working options.

Agile Working Options

Job Share; Hybrid Working

Job description

JOB TITLE: DNS/DHCP/IPAM Administrator

SALARY:  £55,755 - £ 61,950

LOCATION(S): London

HOURS: Full-time – 35 hours per week

WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our London office.

About this opportunity

We currently have an exciting opportunity to join the Cloud and External networks CNS support team. This dynamic team is dedicated to providing critical protection to the banks internal and external DNS platform. The banks DNS/DHCP & IPAM platform is hosted on Infoblox technologies.  As a technician within this team, you'll be a key person for supporting and developing the platform, dealing with everyday activities as well as delivering on project demands.

What you’ll do 

  • Manage and support Infoblox DDI infrastructure (DNS, DHCP, IPAM).

  • Design and implement DDI configurations globally.

  • Troubleshoot and resolve DDI issues with internal teams and vendors.

  • Maintain DNS zone files and DHCP scopes.

  • Ensure compliance with change management and security policies.

  • Collaborate with network, security, and server teams.

  • Provide Tier 2/3 support and participate in on-call rotation.

  • Document configurations and procedures.

  • Implement DNS security measures and best practices.

  • Monitor and improve DDI infrastructure performance.

  • Support cloud platform integrations.

Why Lloyds Banking Group

We’re on an exciting journey to transform our Group and the way we’re shaping finance for good. We’re focusing on the future, investing in our technologies, workplaces, and colleagues to make our Group a great place for everyone. Including you!

What you’ll need

We know that people don't always fit neatly into roles, and we value everyone's individual skills, experiences, and knowledge - it's what makes you, you! But we're looking for the below experience as a minimum:

  • Solid experience of supporting and delivering changes on the Bank's DNS, DHCP and IPAM Tooling

  • In depth knowledge of Networking and Security implementation

  • Demonstrable experience of vendor management

  • Experience of delivering complex changes to meet tight scales

  • Experience of capacity management

  • You'll also need to be somebody who can lead a project and people, juggle multiple priorities and focuses on what is important to get the right outcome.

It would be great if you also had

  • A broad understanding of all modern networking components such as F5, Firewalls etc.

  • Experience of cloud infrastructure in Azure, GCP and other Public Cloud Provider experience is a plus

  • JIRA/Confluence and knowledge of ServiceNow - Incident, Change and Problem Management

About working for us

Our focus is to ensure we're inclusive every day, and build an organisation that reflects modern society and celebrates diversity in all its forms.

We want our people to feel that they belong and can be their best, regardless of background, identity or culture.

We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and a dedicated Working with Cancer initiative.

And it’s why we especially welcome applications from under-represented groups.

We’re disability confident. So if you’d like reasonable adjustments to be made to our recruitment processes, just let us know

We also offer a wide-ranging benefits package, which includes:

  • A generous pension contribution of up to 15%

  • An annual performance-related bonus

  • Share schemes including free shares

  • Benefits you can adapt to your lifestyle, such as discounted shopping

  • 28 days’ holiday, with bank holidays on top

  • A range of wellbeing initiatives and generous parental leave policies
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At Lloyds Banking Group, we're driven by a clear purpose; to help Britain prosper. Across the Group, our colleagues are focused on making a difference to customers, businesses and communities. With us you'll have a key role to play in shaping the financial services of the future, whilst the scale and reach of our Group means you'll have many opportunities to learn, grow and develop.

We're focused on creating a values-led culture and are committed to building a workforce which reflects the diversity of the customers and communities we serve. Together we’re building a truly inclusive workplace where all of our colleagues have the opportunity to make a real difference.