Systems Engineer III (Networks)

Tesco Technology; Welwyn Garden City; Hybrid; GBP 50,000 - 60,000; Full time

Job summary

As a Systems Engineer III at a leading retail technology company, you will architect and deliver high-performance network solutions. Your expertise will help influence the technology roadmap and transform infrastructure through innovation and collaboration. This is a role for a motivated individual who excels in a fast-paced, team-oriented environment.

Benefits

Annual bonus scheme of up to 20% of base salary

25 days holiday plus a personal day

Private medical insurance

Free virtual GP service

Qualifications

• Experience in designing and deploying solutions for large organizations.
• Proficiency with network technologies like MPLS and DNS.
• Ability to create high-quality documentation.

Responsibilities

• Designs and implements large-scale network solutions.
• Collaborates with software teams to enhance infrastructure.
• Coaches and mentors junior engineers.

Skills

Analytical approach

Technical leadership

Communication

Collaboration

Education

Relevant degree in Computer Science or related field

Tools

Cisco equipment

AWS

Azure

Job description

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Join to apply for the Systems Engineer III (Networks) role at Tesco Technology

Following our Business Code of
Conduct and always acting with integrity and due diligence. Whilst specific
responsibilities will be dependent upon the changing needs of the Tesco
business, the following provides an overview of the role’s key responsibilities
and measures:

· Represent Infrastructure/Systems Engineering across
all of Tesco Technology and with suppliers.

· Balance exceptional delivery for customers on what
matters, engaging teams, and colleagues, with the need of the business.

· Being an expert and often the first layer of
management of people or projects.

· Architect, Design and Deliver solutions using existing
Infrastructure components. Where new infrastructure technologies are being
introduced, implement them, and establish best practice for their adoption.

· Strategic resolution of problems that have not been
seen before and initiating change to ensure that issues can be dealt with easily
in future.

· Contribute to the Technology Roadmap for Tesco
Technology Data Centres.

· Evaluate new tools and techniques being able to
understand their value and impact.

· Understand current application development techniques
(12 factor app) and their implications to infrastructure.

· Lead group design discussions on my area of expertise
and be able to present with authority to a variety of audiences.

· Collaborate with Software Engineers to understand
their requirements and assist them consuming Infrastructure in the most
seamless way possible.

· Demonstrate leadership qualities by coaching and
mentoring system engineers across Technology who are at a more junior level.

· Ensure that my own team’s designs are of a high
quality and understand the impacts to any other areas of infrastructure.

· Keep my technical skills up to date and keep track of
new technologies, understanding how they might benefit the Technology team and
wider Tesco.

· Introduce automation to all aspects of my day-to-day
work.

· Proficient in spoken and written English and
comfortable communicating with leaders and engineers.

This role will best suit an
individual who enjoys working as part of a team, is well organised, pragmatic
and a lateral thinker with an inquisitive mind who is motivated to make change
for the better and, most importantly, puts our customers first.

About the role

Following our Business Code of
Conduct and always acting with integrity and due diligence. Whilst specific
responsibilities will be dependent upon the changing needs of the Tesco
business, the following provides an overview of the role’s key responsibilities
and measures:

· Represent Infrastructure/Systems Engineering across
all of Tesco Technology and with suppliers.

· Balance exceptional delivery for customers on what
matters, engaging teams, and colleagues, with the need of the business.

· Being an expert and often the first layer of
management of people or projects.

· Architect, Design and Deliver solutions using existing
Infrastructure components. Where new infrastructure technologies are being
introduced, implement them, and establish best practice for their adoption.

· Strategic resolution of problems that have not been
seen before and initiating change to ensure that issues can be dealt with easily
in future.

· Contribute to the Technology Roadmap for Tesco
Technology Data Centres.

· Evaluate new tools and techniques being able to
understand their value and impact.

· Understand current application development techniques
(12 factor app) and their implications to infrastructure.

· Lead group design discussions on my area of expertise
and be able to present with authority to a variety of audiences.

· Collaborate with Software Engineers to understand
their requirements and assist them consuming Infrastructure in the most
seamless way possible.

· Demonstrate leadership qualities by coaching and
mentoring system engineers across Technology who are at a more junior level.

· Ensure that my own team’s designs are of a high
quality and understand the impacts to any other areas of infrastructure.

· Keep my technical skills up to date and keep track of
new technologies, understanding how they might benefit the Technology team and
wider Tesco.

· Introduce automation to all aspects of my day-to-day
work.

· Proficient in spoken and written English and
comfortable communicating with leaders and engineers.

This role will best suit an
individual who enjoys working as part of a team, is well organised, pragmatic
and a lateral thinker with an inquisitive mind who is motivated to make change
for the better and, most importantly, puts our customers first.

You will be responsible for

As part of wider Infrastructure
Team, Networks Transport Team design, develop, implement, and operate all
Network and Security infrastructure technologies that facilitate both
Infrastructure and the rest of Tesco Technology.

Key activities include:

· Designs, develops, implements, and operates the large-scale,
high-capacity and highly resilient infrastructure solutions that allow the rest
of Infrastructure, Technology development teams and business colleagues to
consume Networks and Security Service.

· Setting the strategy, objectives, and high-level plans
for Networks Infrastructure Service to best deliver requirements of Tesco
Technology and thus the business.

· Defining and continually overseeing standards and
simplification across the entire Networks estate.

· Driving innovation through transformation and
Continual Service Improvement.

· Evaluating partners, software and hardware and finding
the right mix to deliver the Technology and ultimately, business strategy.

· Designs, develops, implements, and operates Networks
solutions in line with modern automation technologies where possible through self-service
APIs. These solutions will allow Networks and rest of Infrastructure to
be consumed in a controlled, auditable, and repeatable manner, automatically
handling failure seamlessly.

· Designing, delivering, implementing, and operating new
and re-usable infrastructure solutions to meet both technological, financial,
and business requirements. Collaborate with, and advise, development teams, to create
appropriate infrastructure solutions to facilitate both their and ultimately
the business requirements.

You will need

Skills / Experience
Required

• Experience designing and
  deploying solutions for large, complex global organisations
• Analytical and
  structured approach to design, process, and advanced troubleshooting
• Understand Tesco
  Technology and business strategies and convert into technology roadmaps and innovative
  solutions that best achieve these goals
• Ability to produce and
  maintain high quality HLD/LLD and Standards documentation
• Well organised
  self-starter who takes personal ownership and accountability at required levels
  of the work stream and project life cycles; willing to go the extra mile at every
  opportunity
• Builds and maintains
  positive relationships within and across teams
• Provides technical
  leadership within teams and mentoring for individuals
• Communicates
  effectively, able to deliver and present both written and verbal, designs, strategies,
  and concepts clearly and affectively to Senior & Jnr staff alike

Required
Technology Skills (Applicant should possess a min 3 of below)

· Excellent/CCDP levels of practical experience in
designing/building, operating large-scale, Multilayer Switching and Routing
using current Arista/Juniper/Cisco equipment in a WAN and LAN environments,
using technologies like Multicast, Port Channelling, MLAG, FHRP, GLBP, VRF, QoS

· Very good knowledge of
Wide Area Networking technologies and protocols, such as MPLS, WAN Optimisation
(Riverbed Steelhead or Cisco WAS), CoS, DWDM. Ideally, with experience of
dealing with major Global Comms suppliers

· Excellent technical knowledge of ISO/OSI network model,
troubleshooting and design. Routing Protocols (BGP, OSPF, IGRP), DNS, DHCP, IP
Address Management and TCP/UDP Port RFC & IEEE 802-based standards

· Cisco/Arista switches deployed in Spine/Leaf topology

· Great knowledge of cloud networking – MS Azure, AWS

· High levels of VPN experience along with associated
technologies and protocols e.g. IPSec, Public/Private Key Encryption, TLS/SSL,
digital cert techniques like ISA/KMP GRE and DMVPN

· High levels of Load balancing & Global/DNS
balancing technologies and techniques, preferably F5 hardware and/or software
appliances also Cisco ACE or Citrix NetScaler

· Good understanding of Internet/Web
Technologies both hardware and cloud based, like CDN, Proxy/Caching, SSL
Offloading/Interception, URL forwarding/re-direction from suppliers like
Akamai, Bluecoat, Zscaler

• Good
  understanding of browser-based technologies and protocols like HTML, HTTP/HTTPS,
  and XML
• Good
  understanding of Network Management technologies and protocols like SNMP, NetFlow,
  IPSLA, along with practical experience of associated Network Management &
  Alerting Tools

Desired
Technical Skills

· Good technical knowledge of Firewalls Platforms and
Technologies, including build/configuration of some of the following Palo Alto
(pref) and Cisco ASA/FirePower (pref), also Checkpoint, Fortinet along with
associated Management Systems and Firewall rule analysis tools like Skybox,
Tufin

· High levels of knowledge of remote
access and two factor authentication technologies and AAA solutions – RSA,
Juniper/Pulse, Cisco ISE, Radius

· High levels of
experience of Threat prevention and detection techniques and associated
technologies like IPS, IDS, APT/SEIM, Secure Proxy

· SDN/automation technologies/configuration
tools like GIT, Chef, Ansible or Puppet, preferably in a DevOps environment

• Latest 802.11-based Wi-Fi
  standards and technologies with practical design and installation of provider
  solutions and tools from Cisco, Aruba or MIST and all associated survey
  techniques
• Scripting
  knowledge (Python, Unix/Linux, or PowerShell & Batch)
• Familiarity
  with VMware NSX and wider VMware software stack (vCentre, vRealize)

Whats in it for you?
We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. Click Hereto find out more!

• Annual bonus scheme of up to 20% of base salary


• Holiday starting at 25 days plus a personal day (plus Bank holidays)


• Private medical insurance


• 26 weeks maternity and adoption leave (after 1 years’ service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 4 weeks fully paid paternity leave


• Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing

About Us
Our vision at Tesco is to become every customer's favourite way to shop, whether they are at home or out on the move. Our core purpose is ‘Serving our customers, communities and planet a little better every day’. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet.

We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. At Tesco, we not only celebrate diversity, but recognise the value and opportunity it brings. We're committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We’re proud to have been accredited Disability Confident Leader and we’re committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please click here.

We’re a big business and we can offer a range of diverse full-time & part-time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern - combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. If you are applying internally, please speak to the Hiring Manager about how this can work for you - Everyone is welcome at Tesco.

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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