Senior IT Engineer

• Take ownership of complex technical issues escalated from junior engineers
• Work collaboratively with other senior engineers to resolve challenging technical problems
• Design, maintain, and document client network infrastructure
• Administer and troubleshoot Microsoft 365 and Azure environments across multiple client tenants
• Provide client-facing technical consultancy and advisory support
• Identify opportunities to improve infrastructure reliability, performance, and security
• Mentor and support junior engineers, sharing knowledge and technical experience
• Maintain high standards of technical documentation and best practice
• Participate in the on-call rotation following successful completion of the probationary period

Technologies:

• Azure
• Support
• LESS
• Microsoft 365
• Network
• Security
• Office 365
• Cloud
• DevOps

• 3-5+ years of hands-on experience in a similar MSP, IT support, or infrastructure environment
• Strong knowledge of networking fundamentals, including routing, switching, firewalls, and VPNs
• Demonstrable experience administering Microsoft 365 and Azure
• Experience working across multiple client environments and Microsoft 365 tenants
• Proven track record of independent problem-solving
• Strong analytical and troubleshooting skills
• Excellent communication skills and confidence dealing directly with clients
• Ability to mentor and support less experienced engineers
• Proactive, professional, and customer-focused approach
• Formal qualifications and certifications are not essential, but hands-on technical experience and practical knowledge are highly valued

We are a well-established and growing Microsoft Partner Managed Service Provider based in Bicester, Oxfordshire, supporting more than 120 businesses across Oxfordshire and beyond. We pride ourselves on delivering a genuinely personal, engineer-led service, where clients speak directly to technical professionals rather than being passed through a call centre. This is a senior technical role with genuine responsibility and autonomy, offering exposure to networking, Microsoft 365, and Azure, along with the opportunity to work in a collaborative senior engineering environment, provide client-facing consultancy, and mentor junior engineers. The salary is £38,000-£42,000 per annum, depending on experience, and on-call participation is included after successful completion of probation.