Senior IT Engineer

Nextech Group Limited; Bicester; On-site; GBP 45,000 - 65,000; Full time

Job summary

Nextech Group Limited is seeking an experienced Senior IT Engineer to act as a senior technical escalation point. You’ll work independently on complex technical issues across networking, Microsoft 365 and Azure, while providing direct technical support and consultancy to clients.

You’ll also mentor junior engineers and contribute to on-call rotations after probation, delivering proactive guidance and hands-on problem solving in an MSP environment.

Qualifications

• Minimum 3–5 years’ hands‑on experience in a similar MSP or IT support environment.
• Strong knowledge of networking fundamentals including routing, switching, firewalls and VPNs.
• Experience administering Microsoft 365 and Azure in a multi‑tenant environment.
• Proven independent problem‑solving and troubleshooting with clients.
• Strong communication skills to work directly with clients.

Responsibilities

• Handle complex technical issues escalated from junior engineers, working with other senior engineers.
• Design, maintain and document client network infrastructure.
• Administer Microsoft 365 and Azure environments across multiple client tenants.
• Provide client-facing technical consultancy and advisory support.
• Mentor and support junior engineers within the team.
• Participate in an on‑call rotation following probation.

Skills

Networking fundamentals

Client-facing communication

Troubleshooting

Independent problem-solving

Tools

Microsoft 365

Azure

VPNs

Job description

Our client is an established Managed Service Provider (MSP) supporting a diverse portfolio of businesses. They provide a range of IT support and managed services, with a strong focus on delivering responsive, engineer-led technical support.

As the business continues to grow, they are looking for an experienced Senior IT Engineer to join their technical team.

The Role

We're looking for an experienced Senior IT Engineer to act as a senior technical point of escalation within the team.

You’ll work independently on complex technical issues across networking, Microsoft 365 and Azure, while providing direct technical support and consultancy to clients. You’ll also work closely with other senior engineers and help support the development of more junior members of the team.

Key Responsibilities

• Handle complex technical issues escalated from junior engineers, working alongside other senior engineers
• Design, maintain and document client network infrastructure
• Administer Microsoft 365 and Azure environments across multiple client tenants
• Provide client-facing technical consultancy and advisory support
• Mentor and support junior engineers within the team
• Participate in an on‑call rotation following successful completion of your probationary period

Requirements

• Minimum 3–5 years’ hands‑on experience in a similar MSP or IT support environment
• Strong working knowledge of networking fundamentals, including routing, switching, firewalls and VPNs
• Demonstrable experience administering Microsoft 365 and Azure in a multi‑tenant environment
• A proven track record of independent problem‑solving and troubleshooting
• Strong communication skills and the ability to work directly with clients
• We value practical, hands‑on experience over formal qualifications - certifications are beneficial but not essential