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- Tasks: Provide expert support for network incidents and implement infrastructure changes.
- Company: Join a leading tech firm in the heart of London, embracing innovation.
- Benefits: Enjoy a competitive salary, hybrid work options, and comprehensive healthcare perks.
- Why this job: Make a real impact while mentoring others and advancing your networking career.
- Qualifications: CCNP or JNCIP-ENT level with experience in troubleshooting complex network issues.
- Other info: Be part of a dynamic team working with cutting-edge technology.
The predicted salary is between 60000 - 84000 £ per year.
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3rd Line Network Engineer, City of London
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Client:
Location:
City of London, United Kingdom
Job Category:
Other
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EU work permit required:
Yes
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Job Reference:
ad98269f6bfa
Job Views:
6
Posted:
25.08.2025
Expiry Date:
09.10.2025
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Job Description:
We\’re Hiring: 3rd Line Network Specialist
Location: London / Hybrid
Full-time Role
Salary: £75,000 base plus benefits, perks and healthcare options
What You\’ll Be Doing:
- Provide expert 3rd line support for network-related incidents, changes, and service requests
- Take ownership of escalated tickets and manage them through to resolution
- Design and implement infrastructure changes based on client requirements
- Collaborate closely with the 2nd Line Service Desk and Solution Delivery teams
- Mentor 2nd Line engineers and contribute to their technical development
- Create and maintain documentation, including Visio diagrams and technical summaries
- Participate in DR/failover testing and on-call support for critical issues
- Support new customer projects through configuration and technical input
Our Technical Landscape Includes:
- Switching & Wireless: Cisco, Meraki, Aruba, HP, Dell, Juniper
- SD-WAN: Meraki, Viptela, Citrix, Nuage, Fortinet
What You\’ll Bring:
- Strong technical foundation equivalent to CCNP or JNCIP-ENT level
- Solid experience troubleshooting Layer 2/3 protocols, OSPF and BGP
- Hands-on experience with at least one enterprise firewall: Palo Alto, Fortigate, or Cisco ASA
- Proven ability to perform root cause analysis and resolve complex network issues
- Experience in a Managed Services Provider (MSP) environment
- Familiarity with cloud networking and automation tools
Ready to take the next step in your networking career?
Apply today and be part of a team where your skills and ideas make a real impact.
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3rd Line Network Engineer employer: 83zero Limited
Contact Detail:
83zero Limited Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land 3rd Line Network Engineer
✨Tip Number 1
Make sure to brush up on your knowledge of Layer 2/3 protocols, especially OSPF and BGP. Being able to discuss these topics confidently during an interview will show that you have the technical expertise required for the role.
✨Tip Number 2
Familiarise yourself with the specific technologies mentioned in the job description, such as Cisco, Meraki, and Fortinet. Having hands-on experience or relevant certifications can set you apart from other candidates.
✨Tip Number 3
Prepare to discuss your experience in a Managed Services Provider (MSP) environment. Be ready to share examples of how you've handled escalated tickets and contributed to team success, as this is crucial for the role.
✨Tip Number 4
Network with professionals in the field through platforms like LinkedIn. Engaging with others in the industry can provide insights into the company culture and may even lead to referrals, increasing your chances of landing the job.
We think you need these skills to ace 3rd Line Network Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights relevant experience and skills that align with the 3rd Line Network Engineer role. Emphasise your technical foundation, troubleshooting abilities, and any experience with specific technologies mentioned in the job description.
Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for networking and your understanding of the company's needs. Mention specific projects or experiences that demonstrate your ability to provide expert support and collaborate effectively with teams.
Highlight Relevant Certifications: If you have certifications like CCNP or JNCIP-ENT, make sure to include them prominently in your application. These qualifications are crucial for this role and will help you stand out.
Showcase Problem-Solving Skills: In your application, provide examples of how you've successfully resolved complex network issues in the past. This could be through specific incidents where you performed root cause analysis or implemented infrastructure changes.
How to prepare for a job interview at 83zero Limited
✨Showcase Your Technical Skills
Be prepared to discuss your technical foundation, especially your experience with Layer 2/3 protocols, OSPF, and BGP. Bring examples of past projects or incidents where you successfully resolved complex network issues.
✨Demonstrate Problem-Solving Abilities
Expect scenario-based questions that assess your troubleshooting skills. Practice articulating your thought process when performing root cause analysis and how you approach resolving network-related incidents.
✨Highlight Mentorship Experience
Since the role involves mentoring 2nd Line engineers, be ready to share your experiences in guiding others. Discuss any previous roles where you contributed to the technical development of your team members.
✨Familiarise Yourself with Their Technical Landscape
Research the specific technologies mentioned in the job description, such as Cisco, Meraki, and Fortinet. Being knowledgeable about these tools will show your genuine interest in the role and help you engage in meaningful discussions during the interview.
