Salary: £50,000 - 90,000 per year Requirements: Proven experience in a senior (3rd line) support or engineering role within an MSP or complex IT environment. Strong expertise in Microsoft 365 (Entra ID, Exchange Online, SharePoint, Intune, Defender). Solid Azure experience (IaaS, networking, identity, backup, monitoring). Excellent troubleshooting skills across Windows Server, networking, and hybrid environments. Clear, calm communication skills—especially during high-pressure incidents. Microsoft certifications (e.g. AZ‑104, AZ‑305, MS‑102, Security certifications) - desirable. Experience with automation (PowerShell, Power Platform, or similar) - desirable. Exposure to compliance, security frameworks, or regulated environments - desirable. Previous experience mentoring or leading technically within a support team - desirable. Client First mindset—always focused on doing the right thing for customers. Calm, methodical, and accountable under pressure. Curious and improvement-driven; not satisfied with thats how its always been done. Willing to share knowledge and raise the technical bar for others. Responsibilities: Act as the final escalation point for complex 2nd and 3rd line technical issues across Microsoft 365, Azure, networking, security, and on-premise / hybrid environments. Take ownership of major incidents, leading technical diagnosis, resolution, and post-incident reviews. Provide clear technical communication to internal teams and, where appropriate, directly to customers. Act as a technical authority for one or more core platforms (e.g. Microsoft 365, Azure, Security, Backup & DR, Networking). Define, maintain, and improve technical standards, configurations, and best practice documentation. Support the evaluation, introduction, and optimisation of tools, services, and automation across the support stack. Coach and mentor 1st and 2nd Line Engineers, supporting their technical development and confidence in issue resolution. Contribute to internal training sessions, runbooks, SOPs, and knowledge base articles. Promote a culture of structured troubleshooting, root cause thinking, and continuous learning. Proactively identify technical risks, recurring issues, and single points of failure across customer environments. Support security hardening, conditional access, backup, disaster recovery, and compliance initiatives. Work closely with Cloud Solutions and Projects teams to ensure secure-by-design implementations. Work closely with Service Delivery, Customer Success, and Account Management to support customer outcomes. Feed technical insight into service reviews, problem management, and service improvement plans. Champion automation and efficiency improvements to reduce noise, repeat incidents, and manual effort. Technologies: Azure Cloud IaaS Support Microsoft 365 PowerShell Security SharePoint Windows Office 365 Embedded More: At String Systems, we are a trusted UK Microsoft Solutions Partner dedicated to helping organizations modernize their IT infrastructure and maximize the value of Microsoft technology. We pride ourselves on fostering innovation and delivering exceptional service. As a Senior Cloud Support Engineer, you will play a critical role in maintaining our reputation for technical excellence and will have the opportunity to influence our service evolution as we grow. Located in Preston, we offer a competitive salary, a company pension scheme, ongoing training and certification support, and a collaborative work environment. last updated 16 week of 2026