Infrastructure Technical Engineer

About the Business

Quilter plc is a leading wealth management business, helping to enable brighter financial futures for every generation. Quilter oversees £141.9 billion in customer investments (as at 31 March 2026). It has an adviser and customer offering spanning financial advice, investment platforms, multi-asset investment solutions, and discretionary fund management. The business is comprised of two segments:
Affluent and High Net Worth. Affluent encompasses the financial planning business, Quilter Financial Planning, the Quilter Investment Platform and Quilter Investors, the multi-asset investment solutions business. High Net Worth includes the discretionary fund management business, Quilter Cheviot, together with Quilter Cheviot Financial Planning – offering a highly personalised service to private clients, charities, trustees, and professional partners. Quilter Cheviot has presence throughout the UK, Ireland and Channel Islands.

Our foundations are rooted in our extraordinary expertise, which is trusted by hundreds of thousands of customers, and we have great ambitions to stay one step ahead.

Level: 4
Department:
Technology

Location:

Southampton | London
Contract type:
Permanent

Quilter has a vibrant, diverse, and highly successful IT team which is now looking to employ a Technical Specialist. This role will support transformational change that enables Quilter Technology department to deliver against strategic programmes. Providing infrastructure expertise to deliver detailed analysis of our technical estate whilst developing the steps to modernise and improve efficiency of our services.

• Provide expert-level technical analysis across Microsoft Cloud, Infrastructure, Networking, Security and Automation domains.
• Build strong relationships with internal teams, partners, SMEs and senior stakeholders to ensure solutions are well‑designed, secure and fit for purpose.
• Lead or support cross‑team delivery initiatives, technical assessments and continuous improvement activities.
• Produce clear documentation including designs, BAU procedures, risk assessments, BIAs, DR plans and technical guidance.
• Support Quilter’s technology transformation initiatives including cloud adoption, infrastructure modernisation and zero‑trust security uplift.
• Champion operational excellence, ensure risks are understood and mitigated, and support problem/incident resolution at an expert level.
• Share knowledge widely and mentor colleagues, growing capability within Infrastructure & Operations.
• Act as an ambassador for Technology, modelling Quilter’s values.
• Microsoft 365 & Entra l administration of M365 across complex multi‑tenant environments.
• Microsoft Azure & Cloud Services – Azure IaaS deployments, networking (VNets, subnets, NSGs, VPN Gateway), Azure Sentinel (SIEM) and Azure Backup; architecting secure multi‑VLAN cloud/on‑prem hybrid infrastructures.
• Information Security – Vulnerability management awareness including penetration testing engagement and remediation; endpoint security Defender for Endpoint.
• Backup & Resilience – Disaster Recovery planning including BIAs and DR testing execution;
  Rubrik cloud protection.
• Automation, Scripting & Databases – Power Shell and Terraform; with a professional automation first mindset.

• Operating as a senior/lead infrastructure engineer supporting end‑to‑end IT estates across cloud, on‑prem and hybrid models.
• Working with technical SMEs specialising in applications and infrastructure; servers, networks, data, storage, middleware and telephony.
• Managing full infrastructure stacks including servers, storage, networking, security, M365, monitoring and BAU operations.
• Proven track record of supporting the delivery of technical change covering implementation of new services, IT transformation, remediation, integration or migrations with an automation mindset.
• Working in regulated environments and contributing to audits, due diligence and Info Sec governance.
• Knowledge of frameworks such as ITIL and the Development Lifecycle.
• Providing technical leadership, mentoring junior engineers and shaping departmental capability.
• Delivering…