Senior Server Engineer

Hampshire Trust Bank; Greater London; Hybrid; GBP 75,000 - 110,000; Full time

Benefits offered by this job

Hybrid working 50/50

25 days annual leave

Private Medical Insurance

Pension scheme – 8% employer

Cycle to Work

Study support

Volunteering day

Job summary

Hampshire Trust Bank is seeking a Senior Server Engineer to join the IT Infrastructure team in London. You’ll own delivery, stability, security and continuous improvement of our core server infrastructure across on‑premises and cloud environments.

Working with Infrastructure, Security, Transformation and Technology teams, you will combine hands‑on engineering with architectural thinking to deliver secure, resilient, and scalable solutions that support our growth.

Qualifications

• Strong experience administering Windows Server environments in enterprise organisations.
• Strong Linux administration experience, ideally Ubuntu.
• Experience supporting VMware vSphere / ESXi environments.
• Strong Microsoft SQL Server administration and support experience.
• Expertise in Active Directory, DNS, DHCP and Group Policy.
• Experience with Azure and/or AWS cloud environments.
• Experience with enterprise backup and recovery solutions such as Rubrik or Zerto.
• Experience working with enterprise storage platforms.
• Strong understanding of Microsoft 365, Entra ID, SSO and Conditional Access.

Responsibilities

• Design, build, manage and support physical and virtual server infrastructure across on-premises and cloud environments.
• Administer Windows Server and Linux platforms ensuring performance, availability and security.
• Manage core infrastructure services including AD, DNS, DHCP, and GPO.
• Support and maintain VMware virtualization and related tooling.
• Handle server lifecycle activities including patching and upgrades.
• Provide senior-level support for critical business applications including SQL Server
• Ensure high availability and resilience via backups and DR planning.
• Drive automation and modernisation of infrastructure with scripting and IaC.

Skills

Windows Server administration

Linux administration (Ubuntu)

VMware vSphere/ESXi

SQL Server administration

Active Directory, DNS, DHCP, GPO

Cloud (Azure/AWS)

Backup and recovery solutions

Storage management

Microsoft 365 & Entra ID

Scripting (PowerShell, Bash, Python)

Automation tools (Ansible, Terraform)

Docker and containers

Tools

VMware vSphere/ESXi

Azure

AWS

Rubrik

Zerto

Storage platforms

Ansible

Terraform

Job description

Location: Fenchurch Street, London

Hours: Monday to Friday, 9:00am–5:30pm

Working Pattern: Hybrid (50/50)

Reports to: Technical Services Manager

Department: Information Technology – IT Infrastructure

Hampshire Trust Bank is a specialist bank, staffed by experts focused on helping UK businesses realise their ambitions.

We offer niche specialty lines, as an SME bank, targeting under‑served segments. Our dedicated Wholesale Finance, Bridging Finance, Development Finance and Specialist Mortgages teams ensure that businesses receive the outstanding service, lasting relationships, integrity, and expertise they need to prosper.

We also provide savings accounts to individuals and businesses and since we lend to SMEs, our savers can be sure their money will help boost the British economy. Our vision is to be the go‑to bank in our chosen markets; to deliver positive customer outcomes, rewarding careers and great shareholder value through a high‑performing culture grounded in excellence and integrity.

Discover more about working at HTB here - Life at HTB | Careers & Inside Hampshire Trust Bank (HTB)

About the Role

We’re looking for an experienced Senior Server Engineer to join our IT Infrastructure team at Hampshire Trust Bank.

This is a senior technical role responsible for the delivery, stability, security and continuous improvement of our core server infrastructure across on‑premises and cloud environments. You’ll act as an escalation point for complex technical issues, provide expert support across critical platforms, and help shape the future direction of our infrastructure estate.

Working closely with Infrastructure, Security, Transformation and Technology teams, you'll combine hands‑on engineering expertise with architectural thinking to deliver secure, resilient and scalable solutions that support the bank’s ongoing growth.

Key Responsibilities

Server Infrastructure & Platform Management

• Design, build, manage and support physical and virtual server infrastructure across on‑premises and cloud environments
• Administer Windows Server and Linux (Ubuntu) platforms, ensuring performance, availability and security
• Manage core infrastructure services including Active Directory, DNS, DHCP, Group Policy and identity integrations
• Support and maintain VMware virtualisation platforms and associated tooling
• Manage server lifecycle activities including patching, upgrades and platform refreshes

SQL & Application Support

• Provide senior-level support for critical business applications
• Support Microsoft SQL Server environments across production, UAT and development
• Build, configure and maintain SQL Server hosts and instances
• Develop and execute SQL queries to support investigations, reporting and operational activities
• Diagnose and troubleshoot complex issues through root cause analysis and performance monitoring

Resilience, Backup & Disaster Recovery

• Ensure high availability and resilience across server and storage platforms
• Support disaster recovery planning, testing and recovery activities
• Manage enterprise backup and recovery solutions
• Proactively identify and remove single points of failure
• Forecast capacity requirements and platform growth

Security, Automation & Continuous Improvement

• Maintain secure server configurations aligned to security standards and policies
• Support vulnerability management and remediation activities
• Drive an automation‑first approach through scripting and configuration management
• Contribute to infrastructure modernisation and standardisation initiatives
• Work closely with Information Security teams to manage risk and ensure compliance

Documentation & Technical Leadership

• Maintain accurate technical documentation, configuration records and support guides
• Create operational runbooks and knowledge articles
• Mentor colleagues and share technical knowledge across teams
• Support vendors and stakeholders to deliver exceptional service outcomes
• Drive continuous improvement and reduce recurring incidents through effective root cause analysis

Who You’ll Work With

You’ll Collaborate Closely With

• Server, Network and Desktop teams
• Information Security team
• Business Transformation teams
• Third‑party technology partners and vendors
• Stakeholders across the wider bank

What We’re Looking For

Qualifications & Experience

• Strong experience administering Windows Server environments within enterprise organisations
• Strong Linux administration experience, ideally Ubuntu
• Experience supporting VMware vSphere / ESXi environments
• Strong Microsoft SQL Server administration and support experience
• Expertise in Active Directory, DNS, DHCP and Group Policy
• Experience with Azure and/or AWS cloud environments
• Experience with enterprise backup and recovery solutions such as Rubrik or Zerto
• Experience working with enterprise storage platforms
• Strong understanding of Microsoft 365, Entra ID, SSO and Conditional Access

Technical Skills

• PowerShell, Bash or Python scripting
• Infrastructure automation using Ansible, Terraform or similar tools
• Docker and containerisation technologies
• REST APIs, YAML, Postman and automation tooling
• Strong troubleshooting and root cause analysis capability
• Knowledge of ITIL processes including Incident, Problem and Change Management

Skills & Attributes

• Strong stakeholder management and communication skills
• Ability to explain technical concepts to both technical and non-technical audiences
• Proactive and solutions-focused mindset
• Strong attention to detail and commitment to quality
• Security-first approach to infrastructure management
• Technical leadership and mentoring capability
• Strong commercial awareness and business alignment

Benefits

• Competitive salary
• Discretionary annual bonus
• Hybrid working (50/50)
• 25 days annual leave (increasing with service) + Holiday Buy Scheme
• Private Medical Insurance (Bupa)
• Mental health & wellbeing support via Zurich & Bupa
• Pension scheme – 8% employer contribution (non-contributory)
• Cycle to Work & Green Car Schemes
• Interest‑free season ticket loan
• Study support & professional memberships
• Annual volunteering day & Net Zero commitment

If you're an experienced infrastructure professional with a passion for server engineering, automation, resilience and modern infrastructure platforms, we'd love to hear from you.