3rd Line Engineer

3rd Line Engineer

Doncaster Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Resolve complex IT issues and improve infrastructure as a senior technical specialist.
  • Company: Join a dynamic IT team focused on innovation and excellence in service delivery.
  • Benefits: Enjoy hybrid work options, professional development opportunities, and a collaborative culture.
  • Why this job: Be at the forefront of technology, making impactful changes while mentoring others.
  • Qualifications: Experience in senior infrastructure support, with strong skills in server management and troubleshooting.
  • Other info: Based in Doncaster, UK, with a flexible work environment.

The predicted salary is between 36000 - 60000 £ per year.

As a Third Line Engineer, you will serve as a senior technical specialist within the IT team, responsible for resolving the most complex and critical issues that cannot be addressed by First or Second Line support. You will play a key role in maintaining and improving the organisation’s IT infrastructure, performing deep-dive diagnostics, root cause analysis, and implementing long-term solutions. In addition to supporting escalated incidents, you will contribute to system design, strategic projects, and continuous service improvement.

Key Responsibilities:

  • Expert-Level Support & Issue Resolution
    • Take ownership of high-level, complex incidents and problems escalated from Second Line Support
    • Perform in-depth diagnostics and root cause analysis across infrastructure, systems, and applications
    • Develop and implement long-term fixes and preventative measures to reduce repeat incidents
  • Infrastructure Management & Improvement
    • Maintain, monitor, and optimise servers, storage, networking, and virtual environments
    • Assist with infrastructure upgrades, patching, backups, and disaster recovery planning
    • Support the implementation of new technologies and contribute to infrastructure architecture decisions
  • Collaboration & Technical Leadership
    • Work closely with other IT teams and stakeholders to ensure consistent and high-performing IT services
    • Provide technical mentorship and guidance to First- and Second-Line colleagues
    • Participate in change management processes, ensuring minimal business disruption
  • Project Work & Continuous Improvement
    • Lead or support technical projects such as migrations, deployments, and security enhancements
    • Identify opportunities to improve system reliability, performance, and scalability
    • Document technical processes, known issues, and architectural decisions in the knowledge base

Essential:

  • Proven experience in a Third Line or senior infrastructure support role
  • Strong expertise in server administration, networking, virtualisation, and storage solutions
  • Solid understanding of IT security principles and best practices
  • Ability to carry out detailed troubleshooting and perform root cause analysis
  • Experience managing or contributing to technical projects and service improvements
  • Proficiency in tools such as Active Directory, Group Policy, Office 365, Exchange, and Windows Server
  • Excellent written and verbal communication skills, including documentation and reporting

Desirable:

  • Relevant certifications (e.g. Microsoft Certifications or similar)
  • Experience with cloud platforms (e.g. Entra, M365, Dynamics 365 Business Central)
  • Knowledge of scripting and automation tools (e.g. PowerShell, PowerApps)
  • Exposure to ITIL frameworks and structured change management processes
  • Experience working in a regulated or enterprise environment

Key Attributes:

  • Technically adept: Demonstrates deep technical understanding and a logical approach to problem-solving
  • Proactive: Anticipates potential issues and recommends improvements before they impact services
  • Collaborative: Works well across teams and supports the development of junior staff
  • Detail-oriented: Thorough in documentation, analysis, and execution of technical tasks
  • Resilient: Remains calm under pressure and focused on finding solutions in high-impact situations

Doncaster based, UK - Hybrid (3 days a week in office)

3rd Line Engineer employer: Generative

As a leading employer in the IT sector, we pride ourselves on fostering a collaborative and innovative work culture that empowers our employees to excel. Our Doncaster-based team enjoys a hybrid working model, offering flexibility while engaging in meaningful projects that drive professional growth and development. With a strong focus on continuous improvement and technical mentorship, we provide our engineers with the tools and support needed to thrive in their careers.
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Contact Detail:

Generative Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land 3rd Line Engineer

✨Tip Number 1

Familiarise yourself with the specific technologies mentioned in the job description, such as Active Directory, Office 365, and Windows Server. Having hands-on experience or projects that showcase your skills with these tools can set you apart from other candidates.

✨Tip Number 2

Network with current or former employees of StudySmarter on platforms like LinkedIn. Engaging with them can provide insights into the company culture and the specific challenges faced by the IT team, which can be invaluable during interviews.

✨Tip Number 3

Prepare to discuss your experience with complex incident resolution and root cause analysis. Be ready to share specific examples of how you've tackled challenging technical issues in the past, as this will demonstrate your problem-solving abilities.

✨Tip Number 4

Showcase your collaborative skills by highlighting any experience you have in mentoring junior staff or working across teams. This role requires strong teamwork, so demonstrating your ability to lead and support others will be a plus.

We think you need these skills to ace 3rd Line Engineer

Expertise in Server Administration
Advanced Networking Skills
Virtualisation Technologies
Storage Solutions Management
IT Security Principles
Root Cause Analysis
Detailed Troubleshooting
Project Management
Active Directory Proficiency
Group Policy Management
Office 365 Administration
Exchange Server Management
Windows Server Expertise
Excellent Communication Skills
Documentation and Reporting Skills
Cloud Platform Knowledge (e.g. Entra, M365)
Scripting and Automation Skills (e.g. PowerShell)
Understanding of ITIL Frameworks
Change Management Processes
Ability to Work Under Pressure

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience in third line support and showcases your expertise in server administration, networking, and virtualisation. Use specific examples that demonstrate your problem-solving skills and technical leadership.

Craft a Compelling Cover Letter: Write a cover letter that reflects your understanding of the role and the company. Mention your relevant certifications and experience with tools like Active Directory and Office 365. Show enthusiasm for contributing to system design and continuous improvement.

Highlight Technical Skills: In your application, emphasise your proficiency in troubleshooting, root cause analysis, and project management. Include any experience with cloud platforms or scripting tools, as these are desirable for the role.

Proofread Your Application: Before submitting, carefully proofread your CV and cover letter for any spelling or grammatical errors. Clear and professional communication is key, especially given the importance of documentation in this role.

How to prepare for a job interview at Generative

✨Showcase Your Technical Expertise

As a Third Line Engineer, you'll need to demonstrate your deep technical knowledge. Be prepared to discuss specific technologies you've worked with, such as server administration and networking. Highlight any relevant certifications you hold, as these can set you apart from other candidates.

✨Prepare for Problem-Solving Scenarios

Expect to face complex problem-solving scenarios during the interview. Practice articulating your thought process when diagnosing issues and implementing solutions. Use examples from your past experiences to illustrate how you've successfully resolved high-level incidents.

✨Emphasise Collaboration Skills

Collaboration is key in this role, so be ready to discuss how you've worked with other IT teams and stakeholders. Share examples of how you've provided mentorship to junior staff or contributed to team projects, showcasing your ability to lead and support others.

✨Demonstrate a Proactive Approach

Employers value candidates who can anticipate potential issues before they arise. Prepare to discuss instances where you've identified opportunities for improvement in IT infrastructure or processes. This will show that you're not just reactive but also proactive in your approach to IT management.

3rd Line Engineer
Generative
Location: Doncaster
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  • 3rd Line Engineer

    Doncaster
    Full-Time
    36000 - 60000 £ / year (est.)
  • G

    Generative

    50-100
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