Dedicated Engineer

Onecom; Greater London; On-site; GBP 40,000 - 55,000; Full time

Benefits offered by this job

Holidays: 25 days + bank holidays

Birthday day off

Pension contribution 9%

Life assurance 4x salary

All-expenses-paid company events

In-House Training Academy

Mental health support 24/7

Job summary

Onecom, the UK’s leading business technology provider, seeks a Dedicated Engineer based at a client site in London. You will manage day-to-day technical support, incidents, and service requests while maintaining secure, available IT environments and building strong client relationships.

Weekly travel to the London office is required, with adjusted hours for travel time. The role covers Microsoft 365, Windows Server, Exchange, SharePoint, SQL, Azure, VMware/Hyper-V, and network/telephony support.

Qualifications

• Strong technical support and IT infrastructure background.
• Experience supporting Microsoft 365, Windows 10/11, Active Directory, Hyper-V, and Windows Server environments.
• Excellent customer service and communication skills with stakeholders at all levels.
• Ability to manage competing priorities independently in a fast-paced environment.
• Professional certifications such as CompTIA A+, MCP, MCSA or equivalent.

Responsibilities

• Manage client helpdesk and ticket queue, log, prioritise and resolve requests within SLAs.
• Serve as the first point of contact for client calls, emails and technical support.
• Provide remote and onsite technical support, troubleshoot issues and coordinate escalations.
• Support and maintain Microsoft technologies including M365, Windows Server, Exchange, SharePoint, SQL and Azure.
• Administer virtualization technologies including VMware and Hyper-V.
• Support network infrastructure, connectivity, security solutions and telephony and remote access.
• Coordinate with third-party vendors to resolve issues and support business applications.
• Deliver small infrastructure and deployment projects and assist Project Engineers with larger initiatives.
• Maintain technical documentation, processes and procedures.
• Identify opportunities to improve IT services, performance, security and customer experience.
• Support cybersecurity and compliance via policies and controls.

Skills

Troubleshooting

IT infrastructure

Customer service

Stakeholder communication

Problem solving

Independent work

Education

CompTIA A+

MCP

MCSA

Tools

Microsoft 365

Windows Server

Active Directory

Hyper-V

VMware

Citrix

Azure

VPN technologies

Exchange

SharePoint

SQL Server

Job description

Why Join Us?

Onecom is the UK's leading business technology provider, shaping the way we work, connect, communicate and operate.

Why Join Us?

Onecom is the UK's leading business technology provider, shaping the way we work, connect, communicate and operate.

You will join a multi-award-winning company, with over 800 talented people committed to delivering great customer experiences driven by the Onecom Way; Think Kaizen, Be Respectful, Build Relationships, Make it Happen, Work Smart, Be Amazing.

About The Role

As a Dedicated Engineer, you will be permanently based at a client site, acting as the primary technical contact responsible for supporting, maintaining, and improving the client's IT environment. You will provide day-to-day technical support, manage incidents and service requests, maintain infrastructure, and deliver exceptional customer service while ensuring systems remain secure, available, and aligned with business needs.

This role offers the opportunity to work closely with clients, build trusted relationships, and contribute to the ongoing success of their technology operations.

Please note: You'll need to attend our client's London office once a week. We'll adjust your working hours to reflect travel time, and all train travel expenses will be covered.

What You'll Be Doing

• Managing the client helpdesk and ticket queue, ensuring all requests are logged, prioritised, and resolved within agreed SLAs.
• Acting as the first point of contact for client calls, emails, and technical support requests.
• Providing remote and onsite technical support, troubleshooting issues, and coordinating escalations when required.
• Supporting and maintaining Microsoft technologies including Microsoft 365, Windows Server, Exchange, SharePoint, SQL, and Azure.
• Administering virtualisation technologies including VMware and Hyper-V.
• Supporting network infrastructure, connectivity, security solutions, telephony platforms, and remote access technologies.
• Coordinating with third-party vendors and service providers to resolve issues and support business applications.
• Managing and delivering small infrastructure and deployment projects while assisting Project Engineers with larger initiatives.
• Maintaining technical documentation, processes, and procedures.
• Proactively identifying opportunities to improve IT services, infrastructure performance, security, and customer experience.
• Supporting cybersecurity and compliance requirements through adherence to policies, controls, and best practices.

What We're Looking For

• Strong technical support and IT infrastructure background.
• Proven troubleshooting and fault-finding skills across a range of technologies.
• Experience supporting Microsoft 365, Windows 10/11, Active Directory, Hyper-V, and Windows Server environments.
• Excellent customer service and communication skills with the ability to engage confidently with stakeholders at all levels.
• Strong organisational skills with the ability to manage competing priorities effectively.
• A proactive and solution-focused approach to problem solving.
• Ability to work independently in a fast-paced environment.
• Strong attention to detail and commitment to delivering high‑quality service.
• Full UK Driving Licence.

Our Dream Candidate Will Also Have Experience With

• Microsoft Azure administration and cloud technologies.
• VMware virtualisation environments.
• Citrix, Azure Virtual Desktop, and VPN technologies.
• Exchange, SharePoint, and SQL Server administration.
• VoIP telephony solutions.
• IT project delivery and infrastructure upgrades.
• Professional certifications such as CompTIA A+, MCP, MCSA, or other vendor‑accredited qualifications.

Perks for Our People

• Holidays: 25 days + bank holidays and buy/sell options
• Other Leave: Birthday day off, 12 paid hours for flexible use, Volunteer day
• Lifestyle: 9% combined pension contribution and 4x salary life assurance
• Rewards: Quarterly and annual employee awards, discounts on tech
• Socials: All‑expenses‑paid company events
• Development: In‑House Training Academy
• Wellbeing: 24/7 access to mental health support, Calm App, discounted gym membership, free breakfast & fresh fruit, eye‑care vouchers, financial wellbeing support

Everyone Belongs at Onecom

We believe that diverse teams bring a range of experiences and better ideas that fuel innovation. That's why we're committed to creating an environment where everyone feels valued, respected, and able to bring their authentic selves to work. We welcome applications from people of all backgrounds, experiences, identities, and perspectives.