Infrastructure Engineer – 6 month fixed term contract

RiverStone International is an established global non‑life run‑off insurance business specialist with more than 25 years of experience. Operating in the UK company and Lloyd’s of London markets, Bermuda, U.S., and Europe, RiverStone International has transacted a wide variety of deals – from insurance and reinsurance portfolio transfers to company purchases, acquiring over $17.7 billion of gross liabilities since 2010 and with around $6.7 billion of liabilities currently under management.

The Infrastructure Engineer is responsible for the reliable, secure, and efficient operation of RiverStone’s core IT infrastructure across on‑premises and cloud environments. The role focuses on day‑to‑day operational stability, infrastructure change delivery, and support escalation, ensuring that platforms remain resilient, secure, and fit for business demand. The role may involve collaboration with cross‑functional teams, direct client interaction, and strategic input based on business needs.

• Operate, maintain, and support core infrastructure platforms including Azure, VMware, Windows Server, Networking and storage platforms.
• Perform server lifecycle management, including Build, configuration, commissioning, and decommissioning, Patching and vulnerability remediation, Performance monitoring and tuning.
• Deliver infrastructure changes safely through established change processes.
• Act as an escalation point for Service Desk issues, supporting incident resolution and problem investigation.
• Support on‑premises and datacentre related activities, including vendor coordination where required.
• Maintain system reliability, availability, and security in line with organisational standards.
• Contribute to operational resilience activities, including DR testing and readiness.
• Produce and maintain technical documentation, runbooks, and standard operating procedures.
• Support audit and compliance activities by ensuring infrastructure controls are implemented and evidenced.

• Proven experience in an Infrastructure Engineer or similar role within a financial services or regulated environment.
• Strong hands‑on experience with: Windows Server administration, Virtualisation platforms (e.g. Citrix/VMware), Microsoft Azure fundamentals, Veeam or other backup technologies, Storage Technology.
• Solid understanding of: Active Directory and Entra, Identity and access management, Networking fundamentals (DNS, DHCP, TCP/IP).
• Experience supporting production systems in a regulated or business critical environment.
• Ability to troubleshoot infrastructure issues methodically and under pressure.
• Strong documentation and communication skills.
• Experience supporting Microsoft 365 services.
• Exposure to vulnerability management and security patching processes.
• Hands‑on Disaster recovery experience, including Supporting DR testing activities, Recovery procedures for infrastructure platforms and Understanding of RTO/RPO concepts in practice.
• Relevant certifications (Microsoft, VMware, or equivalent).
• Experience supporting a Network Access Control solution, ideally Forescout.
• Must be able to work out of one of the following offices: London or Brighton. A minimum of four days in the office.

• Private Medical and Dental cover – Comprehensive Private Medical and Dental Insurance schemes with Bupa Health and Wellness –including access to our Employee Assistance Programme, Headspace subscription, Mental Health First aiders at each site, up to five funded counselling sessions per year, annual health check‑up and eye test voucher.
• Wellbeing Allowance – Can be used towards either physical or mental health wellbeing activities.
• 25 days’ holiday per year – plus bank holidays and office closure on Christmas Eve. Holiday entitlement increases with length of service.
• Bonus scheme – dependent on achieving individual, department and company goals.
• Pension – a non‑contributory defined contribution pension scheme.
• Life Assurance – provides a lump sum 10 x your salary.
• Permanent Health Insurance Scheme – scheme pays benefits during a prolonged period of illness or disability lasting more than 26 weeks.
• Parental Leave – Enhanced Maternity, Paternity and Shared Parental Leave policy.
• Training and development – Company funding for professional qualifications that would be beneficial for your role.
• Volunteering and charity – triple matching donations made independently or via our Give As You Earn scheme, and two paid volunteering days per year to help give back to our local communities.
• Cycle To Work Scheme – a tax efficient way to purchase a bicycle.
• Interest Free Travel Loan – to assist with commuting costs.
• Travel Insurance – business and personal travel.
• Sports and Social – active sports and social committee that organises subsidised events.