Systems Engineer III - Firewalling - Palo-Alto Network Security Specialist

Hours: 36

Salary: Competitive

Location: Welwyn Garden City AL7 1GA

United Kingdom

Apply by: 12/05/2023

Systems Engineer III - Firewalling - Palo-Alto Network Security Specialist

Welwyn Garden City AL7 1GA

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About the role

Systems Engineers work with knowledge of specific infrastructure specialism and are responsible for the entire development and support process for that specialism. You’re responsible for delivering quality solutions for colleagues and customers alike, with the impact ranging from saving time, effort, or money to re-defining normal.

You have knowledge of the latest technology trends, expertise & practical knowledge of the types of systems, infrastructure & applications used within Tesco.

You will be responsible for

·       Design and deliver network solutions using existing network infrastructure. Where new Network technologies are being introduced, implement them, and establish the best practice for their adoption. Resolve incidents and problems associated with the technical area of responsibility.

·       Contribute to the Technology Roadmap for Tesco Network Services.

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

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

·       Collaborate with other technical teams to understand their requirements and assist them by consuming Infrastructure in the most seamless way possible.

·       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.

You will need

Skills / Experience Required


  • Experience designing and deploying solutions for large, complex global organizations.
  • Analytical and structured approach to design, process, and advanced troubleshooting.
  • Work with Architecture to produce and maintain high-quality HLD/LLD and maintain standard documentation for area of responsibility.
  • Well-organized 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.
  • Communicates effectively, able to deliver and present both written and verbal designs, strategies, and concepts clearly.
  • Take ownership, to keep up-to-date and embrace the latest industry technologies and associated supplier solutions.
  • This role will best suit an individual who enjoys working as part of a team, is well organized, 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.
  • Strong knowledge & insightful hands-on field experience in
    • Next-Generation Firewalls particularly Palo-Alto Networks.
    • Network Management Technologies particularly Palo-Alto Panorama
    • Centralized logging and reporting technologies particularly Palo-Alto Log-Collectors
    • Expertise in TCP/IP
    • Conversant with network routing, VPN, MPLS, and VRF.
    • VPN technologies & curent encryptions/cipher standards.
    • HTTP/HTTPS, redirects, response codes, headers 
    • Splunk product knowledge for troubleshooting purposes.
    • Packet capture and debugging tools such as Wireshark.
    • Protocols like SNMP and practical experience of associated Network Management & Alerting Tools.
  • Hands-on knowledge with other firewall & security products including:
    • Fortigate / Fortinet / ASA/Checkpoint
  • Hands-on knowledge with other firewall & security products including:
    • Fortigate / Fortinet / ASA/Checkpoint


What’s in it for you

  • An annual bonus scheme.
  • Colleague Clubcard (including a 2nd card for a family member) after 3 months service with 10% off most purchases at Tesco.
  • Holiday starting at 25 days plus a personal day.
  • A retirement savings plan - 4%-7.5% contribution rate.
  • Life Assurance - 5 x contractual pay.
  • Buy As You Earn Scheme which allows you to buy Tesco shares and save tax after 3 months of service.
  • Save As You Earn Scheme which gives you the opportunity to save direct from your pay for three or five years with the option of using your savings to buy Tesco shares at a discounted price after 1 year of service.
  • Access to Tesco Learning and Development Academy.
  • Deals & Discounts through Tesco including Tesco Mobile & Tesco Bank.
  • Deals and Discounts through many other external businesses.
  • Cycle to work and Car Share Schemes.
  • Onsite discounted Nuffield Health Gym.
  • Subsidised Canteen.
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