Senior Networks Engineer

Senior Networks Engineer

London Full-Time 56000 - 84000 Β£ / year (est.) No home office possible
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At a Glance

  • Tasks: Join a dynamic team to craft and implement innovative network solutions.
  • Company: Be part of Tesco Technology, a leader in e-commerce experiences.
  • Benefits: Enjoy competitive salary, remote work options, and a vibrant company culture.
  • Why this job: Make a significant impact while working with cutting-edge technology in a supportive environment.
  • Qualifications: Experience in large-scale networking and strong technical leadership skills required.
  • Other info: Opportunity to mentor junior engineers and stay updated with the latest industry trends.

The predicted salary is between 56000 - 84000 Β£ per year.

Senior Networks Engineer (Routing & Switching)

Join to apply for the Senior Networks Engineer (Routing & Switching) role at Tesco Technology

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Senior Networks Engineer (Routing & Switching)

Join to apply for the Senior Networks Engineer (Routing & Switching) role at Tesco Technology

At Tesco we offer an outstanding opportunity for a Senior Networks Engineer to join our ambitious team. This role is based in Welwyn Garden City (or London) and is central to our mission of delivering world-class e-commerce experiences. You will be part of a dynamic team crafting, developing, and implementing pioneering network solutions that support our global operations. If you are passionate about technology and eager to make a significant impact, this is the role for you!

Responsibilities

  • Representing Infrastructure/Systems Engineering across all of Tesco Technology and with suppliers.
  • Balancing outstanding delivery for customers with the needs of the business.
  • Acting as an expert and often the first layer of management of people or projects.
  • Crafting, developing, and delivering solutions using existing infrastructure components.
  • Implementing new infrastructure technologies and establishing standard methodologies for their adoption.
  • Initiating strategic resolutions to problems and inspiring change to ensure seamless future operations.
  • Contributing to the Technology Roadmap for Tesco Technology Data Centres.
  • Evaluating new tools and techniques to understand their value and impact.
  • Leading group design discussions and presenting with authority to various audiences.
  • Collaborating with Software Engineers to understand their requirements and assist in consuming infrastructure seamlessly.
  • Demonstrating leadership qualities by coaching and mentoring junior system engineers.
  • Ensuring high-quality design standards and understanding impacts on other infrastructure areas.
  • Keeping technical skills up to date and tracking new technologies to benefit the Technology team and broader Tesco.
  • Introducing automation to all aspects of day-to-day work.

Skills and Experience Required

  • Experience crafting and deploying solutions for large, sophisticated global organisation.
  • An analytical and structured approach to craft, process, and advanced troubleshooting.
  • The ability to understand Tesco Technology and business strategies and convert them into innovative technology roadmaps.
  • Proficiency in producing and maintaining high-quality HLD/LLD and Standards documentation.
  • A well-organised, self-starting attitude with personal ownership and accountability in project life cycles.
  • The ability to build and maintain positive relationships within and across teams.
  • Technical leadership skills and the ability to mentor individuals.
  • Effective communication skills for delivering and presenting designs, strategies, and concepts to senior and junior staff alike.
  • A dedication to staying current with the latest industry technologies and supplier solutions like SDN and SDWAN.

Required Technology Skills

Applicants should possess at least three of the following:

  • Expertise in designing/building and operating large-scale, multilayer switching and routing using current Arista/Juniper/Cisco equipment in WAN and LAN environments.
  • Knowledge of wide-area networking technologies and protocols, such as MPLS and WAN Optimisation (Riverbed Steelhead or Cisco WAS).
  • Technical knowledge of the ISO/OSI network model, routing protocols (BGP, OSPF, IGRP), DNS, DHCP, IP Address Management, and TCP/UDP Port RFC & IEEE 802-based standards.
  • Experience with Cisco/Arista switches deployed in Spine/Leaf topology.
  • Knowledge of cloud networking – MS Azure, AWS.
  • High levels of VPN experience and associated technologies and protocols.
  • Knowledge of load balancing & global/DNS balancing technologies, preferably F5 hardware and/or software appliances.
  • Understanding of internet/web technologies both hardware and cloud-based.
  • Understanding of network management technologies and protocols such as SNMP, NetFlow, IPSLA, and network management & alerting tools.

Desired Technical Skills

  • Knowledge of firewall platforms and technologies, including build/configuration of Palo Alto, Cisco ASA/FirePower, Checkpoint, and Fortinet.
  • Experience with remote access and two-factor authentication technologies and AAA solutions.
  • Knowledge of threat prevention and detection techniques and associated technologies.
  • Familiarity with SDN/automation technologies/configuration tools like GIT, Chef, Ansible, or Puppet.Experience with the latest 802.11-based Wi-Fi standards and technologies.
  • Scripting knowledge (Python, Unix/Linux, or PowerShell & Batch).Familiarity with VMware NSX and the wider VMware software stack.

Seniority level

  • Seniority level

    Mid-Senior level

Employment type

  • Employment type

    Full-time

Job function

  • Job function

    Information Technology

  • Industries

    Retail

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Senior Networks Engineer employer: Tesco Technology

At Tesco Technology, we pride ourselves on being an exceptional employer, offering a vibrant work culture that fosters innovation and collaboration. Located in the heart of Welwyn Garden City or London, our team enjoys competitive salaries, comprehensive benefits, and ample opportunities for professional growth and development. Join us to be part of a forward-thinking organisation where your contributions directly impact our mission to deliver world-class e-commerce experiences.
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Contact Detail:

Tesco Technology Recruiting Team

StudySmarter Expert Advice 🀫

We think this is how you could land Senior Networks Engineer

✨Tip Number 1

Familiarise yourself with Tesco's technology stack and recent projects. Understanding their current infrastructure and challenges will help you tailor your discussions during interviews, showcasing your knowledge and enthusiasm for the role.

✨Tip Number 2

Network with current or former employees of Tesco Technology on platforms like LinkedIn. Engaging in conversations can provide valuable insights into the company culture and expectations, which can be beneficial when preparing for interviews.

✨Tip Number 3

Stay updated on the latest trends in networking technologies, especially those mentioned in the job description like SDN and cloud networking. Being able to discuss these topics confidently can set you apart from other candidates.

✨Tip Number 4

Prepare to demonstrate your technical leadership skills by thinking of examples where you've mentored others or led projects. This will show your capability to take on the responsibilities outlined in the job description.

We think you need these skills to ace Senior Networks Engineer

Expertise in designing/building and operating large-scale multilayer switching and routing
Proficiency with Arista, Juniper, and Cisco equipment in WAN and LAN environments
Knowledge of wide-area networking technologies and protocols such as MPLS
Technical knowledge of the ISO/OSI network model and routing protocols (BGP, OSPF, IGRP)
Experience with DNS, DHCP, IP Address Management, and TCP/UDP Port RFC & IEEE 802-based standards
Understanding of cloud networking technologies like MS Azure and AWS
High levels of VPN experience and associated technologies and protocols
Knowledge of load balancing and global/DNS balancing technologies, preferably F5
Familiarity with network management technologies and protocols such as SNMP and NetFlow
Experience with firewall platforms including Palo Alto, Cisco ASA/FirePower, and Fortinet
Knowledge of SDN/automation technologies and configuration tools like Ansible or Puppet
Scripting knowledge in Python, Unix/Linux, or PowerShell
Ability to produce and maintain high-quality HLD/LLD and Standards documentation
Strong analytical and structured approach to troubleshooting
Effective communication skills for presenting designs and strategies

Some tips for your application 🫑

Tailor Your CV: Make sure your CV highlights relevant experience in network engineering, particularly with routing and switching technologies. Emphasise your expertise with Arista, Juniper, or Cisco equipment, as well as any experience with WAN and LAN environments.

Craft a Compelling Cover Letter: In your cover letter, express your passion for technology and how it aligns with Tesco's mission. Mention specific projects or achievements that demonstrate your ability to craft and implement innovative network solutions.

Showcase Technical Skills: Clearly list your technical skills related to the job description, such as knowledge of MPLS, VPN technologies, and cloud networking. Use bullet points for clarity and ensure you include any scripting or automation experience.

Highlight Leadership Experience: Since the role involves mentoring junior engineers, be sure to include any leadership or coaching experiences you've had. Provide examples of how you've successfully led projects or teams in the past.

How to prepare for a job interview at Tesco Technology

✨Showcase Your Technical Expertise

Be prepared to discuss your experience with large-scale networking solutions, particularly with Arista, Juniper, or Cisco equipment. Highlight specific projects where you implemented routing and switching technologies, and be ready to explain the challenges you faced and how you overcame them.

✨Demonstrate Problem-Solving Skills

During the interview, expect to encounter scenario-based questions that assess your analytical and troubleshooting abilities. Use the STAR method (Situation, Task, Action, Result) to structure your responses, showcasing how you initiated strategic resolutions to complex problems.

✨Communicate Effectively

Effective communication is key, especially when presenting technical concepts to both senior and junior staff. Practice explaining complex ideas in simple terms, and be ready to discuss how you have collaborated with software engineers to meet their infrastructure needs.

✨Stay Current with Industry Trends

Show your passion for technology by discussing recent advancements in networking, such as SDN and cloud networking. Be prepared to share your thoughts on how these technologies can benefit Tesco Technology and contribute to its mission of delivering world-class e-commerce experiences.

Senior Networks Engineer
Tesco Technology
T
  • Senior Networks Engineer

    London
    Full-Time
    56000 - 84000 Β£ / year (est.)

    Application deadline: 2027-07-15

  • T

    Tesco Technology

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