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 offers financial advice, investment platforms, multi‑asset investment solutions and discretionary fund management across Affluent and High Net Worth segments.

Technical Specialist – Infrastructure Technical Engineer (Level 4, Permanent, Southampton or London)

• 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.
• 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, risk mitigation and expert‑level problem/incident resolution.
• Share knowledge widely and mentor colleagues, growing capability within Infrastructure & Operations.
• Act as an ambassador for Technology, modelling Quilter’s values.

• Global administration of M365 across complex multi‑tenant environments.
• Purview, including DLP, AIP, sensitivity labels and classification frameworks.
• Intune for deployment and management of end‑point devices.
• Microsoft Teams including Phone System configuration, PSTN, voice routing and cross‑tenant collaboration.
• Exchange Online configuration including hybrid setups, migrations, mail hygiene (DMARC/DKIM/SPF).
• Entra  including Conditional Access, App Registrations, Enterprise Apps, B2B, app proxies.

• Azure IaaS deployments, networking (VNets, subnets, NSGs, VPN Gateway), Azure Sentinel (SIEM) and Azure Backup.
• Architect secure multi‑VLAN cloud/on‑prem hybrid infrastructures.
• Strong understanding of identity, security and cloud governance patterns.
• Information Security expertise.
• Vulnerability management awareness including penetration testing engagement and remediation.
• Endpoint security:
  Defender for Endpoint.

• Disaster Recovery planning, BIAs, DR testing execution and documentation.
• Rubrik cloud protection.

• Power Shell and Terraform; professional automation mindset.

The ideal candidate will have demonstrable experience equivalent to:

• 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 record of supporting delivery of technical change covering implementation of new services, IT transformation, remediation, integration or migrations with an automation mindset.
• Experience 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 excellent communication – simplifying technical complexity for a broad business audience.

• Excellent communication, stakeholder management and influencing skills.
• Calm, structured and analytical under pressure; guiding others through incidents and complex change.
• Passion for modernisation, research and continuous improvement.
• Commitment to knowledge‑sharing and raising team capability.

We value diversity and strive to promote inclusivity in all aspects of our culture. We believe in equal opportunities for all and celebrate the unique contributions of a diverse workforce.

We do the right thing, are always curious, embrace challenge and believe we are stronger together.

• Holiday: 182 hours (26 days)
• Quilter Incentive Scheme: all employees eligible.
• Pension Scheme: non‑contributory company pension scheme with optional personal contributions.
• Private Medical Insurance: single cover as standard with options to increase cover.
• Life Assurance: 4× your salary.
• Income Protection: 75% of salary, less state benefits, payable after 26 weeks of absence.
• Healthcare Cash Plan:
  Jersey employees only.

In addition to our core benefits, we offer a range of flexible benefits to UK employees that can be chosen via salary deduction.