Job Title: 3rd Line Support Engineer - Microsoft, VMware, IIS Location: Hybrid, Oxford, UK Salary: £45,000 - £55,000 Benefits Are you a skilled 3rd Line Support Engineer with a knack for tackling complex technical challenges? Join a dynamic, fast-paced company dedicated to providing high-availability infrastructure and e-commerce solutions for thousands of daily users. This role is perfect for an engineer experienced in Microsoft-based systems, with expertise in Windows Server, IIS, and virtualisation through VMware. The Role As a 3rd Line Support Engineer, you'll play a critical role in supporting and maintaining a robust infrastructure environment, focusing on Microsoft technologies and high-traffic systems. Working in a 24/7/365 operation, you'll also participate in a rotating on-call schedule (approximately 25% of the time) to handle production emergencies as the primary contact. Responsibilities include: Infrastructure Management: Oversee and optimise Windows Server environments, manage IIS and NLB configurations, and support Active Directory and DNS services. E-commerce Platform Support: Support high-traffic systems, ensuring consistent performance and reliability for thousands of daily users. Incident Management: Respond to on-call production issues, resolve complex infrastructure challenges, and maintain detailed records for continuous improvement.What We're Looking For The ideal 3rd Line Support Engineer will have: Experience with Microsoft systems such as Windows Server, IIS, Active Directory, and DNS. Knowledge of VMware virtualisation. Proven experience supporting high-traffic environments like e-commerce platforms. Strong problem-solving skills, with a background in complex infrastructure issue resolution. Comfort with 24/7 environments and willingness to participate in on-call shifts.What's In It for You? Competitive salary with an on-call allowance Hybrid working model Opportunity to work in a challenging, high-availability environment A supportive team culture with a focus on continuous learningIf this sounds like the right opportunity for you, click apply now to join a team dedicated to excellence in server support and infrastructure management