3rd Line IT Support
Listed on 2026-01-11
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IT/Tech
IT Support, Systems Engineer
MJ Quinn Liverpool, England, United Kingdom 3rd Line IT Support
MJ Quinn is a UK-based infrastructure services provider specialising in delivering comprehensive, end‑to‑end solutions across a range of industries, including telecommunications, utilities, and mechanical and electrical engineering.
Guided by a commitment to quality, innovation, and sustainability, we offer tailored services encompassing design, installation, maintenance, and project management.
Partnering with leading organisations, we successfully execute complex projects by leveraging advanced technology and the expertise of our skilled workforce. Our customer‑centric approach ensures efficient, reliable service delivery while maintaining our focus on building long‑term, sustainable solutions.
At MJ Quinn, our purpose is to play a vital role in maintaining and enhancing critical infrastructure, connecting and supporting communities and businesses across the UK.
Our Core Values- People‑Focused: We prioritise the well‑being, growth, and success of our team and partners.
- Safety Always Matters: We are unwavering in our commitment to ensuring a safe environment for all.
- Operational Excellence: We strive for the highest standards of quality, efficiency, and continuous improvement.
- Sustaining Our Future: We are dedicated to delivering sustainable solutions that positively impact the environment and society.
Join MJ Quinn, where we combine innovation, expertise, and a values‑driven culture to deliver excellence in every project.
Department OverviewThe MJ Quinn Technology and Services Department supports circa 5,000 people across our platforms, workforce, and locations, with full ownership of our Microsoft modern workplace solutions and Microsoft Dynamics.
Job ObjectiveThe 3rd Line IT Support role is a critical position within the IT department, serving as the highest level of technical support. The professional must have extensive knowledge of IT systems, networks, and applications, as well as excellent problem‑solving and analytical skills. This role involves working closely with various departments to ensure that systems are managed to meet business needs and objectives.
KeyRoles and Responsibilities
- Provide expert‑level support for complex technical issues, ensuring timely and effective resolution fully documented in the ITSM solution.
- Handle escalated incidents from 1st and 2nd line support, performing thorough diagnostics and root‑cause analysis.
- Process post‑incident reviews for unresolved issues that have been escalated and then resolved.
- Oversee the maintenance and optimisation of IT systems and infrastructure, ensuring peak performance and reliability.
- Manage and troubleshoot network infrastructure, including servers, switches, routers, and firewalls, and implement robust security measures to protect IT systems and data.
- Create and maintain detailed documentation of system configurations, processes, procedures, and knowledge‑base articles.
- Provide guidance and training to junior support staff, fostering a culture of continuous learning and improvement.
- Lead IT projects such as system upgrades, migrations, and deployments.
- Strong analytical and troubleshooting abilities with a methodical approach to resolving complex issues.
- A full UK driving licence.
- Excellent verbal and written communication skills, capable of conveying technical information clearly to non‑technical stakeholders.
- Ability to produce varying levels of documentation such as project estimation, network schematics, and quotations for approvals.
- Effective teamwork and collaboration across departments.
- Flexibility to adapt to changing technologies and a dynamic work environment.
- Minimum of 5 years of experience in IT support, including at least 2 years in 3rd line support.
- Strong understanding of business processes and how technology can support and improve them.
Full time, office based in the Northwest.
DepartmentIT
Reports toIT Manager
Hours of WorkMonday to Friday, 9am – 5pm
Rate of PaySubject to experience
Work LocationNorthwest
Travel RequirementsYes
Holiday Entitlements6.6 weeks per annum, inclusive of bank holidays and company…
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