Infrastructure Engineer

Location: London E14 (Hybrid - 1-3 days office)
Salary: c. £50,000-£55,000 per annum
Type: Full-time, Permanent
Hours: Mon-Fri, 37.5 hours

ROC Search's client is an established UK technology business delivering secure, tailored software solutions for enterprise and regulated customers. The organisation places strong emphasis on operational stability, security, and continuous improvement.

This is an opportunity to join a growing company and play a key role in maintaining and evolving its infrastructure estate.

ROC Search's client is seeking an Infrastructure Engineer with strong IT and infrastructure support experience.

The role focuses on designing, maintaining, and optimising core infrastructure services while ensuring reliability, security, and performance. You'll work closely with DevOps, Development, Product, and Client Services teams to support business-critical systems.

This position suits an experienced Support Engineer or SRE looking to deepen infrastructure and cloud expertise. Cloud experience is advantageous but not essential, with a planned cloud migration commencing in 2026.

• Windows Server 2022, SQL Server, IIS

• VMware

• Monitoring tools (RMM, SIEM, performance monitoring)

• Microsoft Azure, Azure B2C, Microsoft 365

• PowerShell, CLI

• DNS, DHCP, SSL certificates, firewalls, VPN

• Provide IT support including laptop/desktop setup and troubleshooting

• Monitor infrastructure health, performance, and backups

• Design and implement infrastructure solutions across servers, networks, storage, and cloud

• Support planning and delivery of cloud migration initiatives

• Automate tasks using PowerShell and scripting

• Identify and remediate vulnerabilities (including patching and some out-of-hours work)

• Recommend infrastructure improvements and support software/client deployments

• Maintain technical documentation and follow controlled change processes

• 5+ years' relevant experience

• Strong knowledge of VMware and Windows-based infrastructure

• Experience with servers, networking, storage, and security best practices

• PowerShell scripting experience

• DNS and SSL certificate management

• Experience with ticketing systems, SLAs, and escalation processes

• Strong troubleshooting, communication, and documentation skills

• Experience with monitoring, backup/DR, and firewalls

• Azure or other cloud exposure

• Automation / Infrastructure as Code awareness

• SIEM, MFA/2FA, IIS, SQL Server, VPN and patch management experience

• Project delivery experience

• Basic Linux and scripting (Python/Bash)

• Relevant Microsoft certifications

Company pension, private medical cover, death in service, reduced gym membership, 24/7 wellbeing support, free eye tests, daily fresh fruit, discretionary annual bonus.
23 days' holiday + bank holidays (rising to 25 days after 2 years and 27 days after 10 years).