Systems Engineer III (Networks)

Following our Business Code of Conduct and always acting with integrity and due diligence, the following provides an overview of the key responsibilities and measures for this role. Responsibilities will adapt to the changing needs of Tesco.

Key Responsibilities

• Represent Infrastructure/Systems Engineering across Tesco Technology and with suppliers.
• Ensure exceptional delivery that prioritises customer needs while engaging teams and colleagues.
• Serve as an expert and primary management layer for people or projects.
• Architect, design, and deliver solutions using existing infrastructure components; implement and establish best practices for new technologies.
• Resolve complex, unprecedented problems strategically and drive change for future ease of handling issues.
• Contribute to the Tesco Technology Data Centres Roadmap.
• Evaluate new tools and techniques for their value and impact.
• Understand current application development techniques (e.g., 12-factor app) and their infrastructure implications.
• Lead design discussions and present confidently to diverse audiences.
• Collaborate with Software Engineers to seamlessly integrate Infrastructure requirements.
• Coach and mentor junior system engineers, demonstrating leadership qualities.
• Ensure high-quality design outputs and understand their impacts on infrastructure.
• Keep technical skills current and explore benefits of new technologies for Tesco.
• Introduce automation into daily work processes.
• Communicate effectively in English with leaders and engineers.

This role suits individuals who enjoy teamwork, are organised, pragmatic, lateral thinkers, inquisitive, motivated to improve, and customer-focused.

Networks Transport Team Responsibilities

• Design, develop, implement, and operate Network and Security infrastructure technologies to support Infrastructure and Tesco Technology.
• Develop resilient, large-scale infrastructure solutions for internal and external consumption.
• Set strategy, objectives, and high-level plans for Network Infrastructure Service.
• Establish and oversee standards and simplification efforts across networks.
• Drive innovation through transformation and continuous improvement.
• Evaluate technology partners, software, and hardware for optimal delivery.
• Design and operate network solutions using automation technologies and APIs.
• Develop reusable infrastructure solutions aligned with business needs, collaborating with development teams.

Skills and Experience

• Experience designing and deploying solutions in large, complex organisations.
• Structured approach to design, troubleshooting, and processes.
• Ability to translate business strategies into technology roadmaps and solutions.
• Proficiency in producing high-quality architecture documentation.
• Self-organised, accountable, and willing to go the extra mile.
• Positive relationship-building skills.
• Technical leadership and mentoring abilities.
• Effective communication skills for various audiences.

Required Technology Skills (minimum 3)

• Experience with multilayer switching/routing (Cisco, Juniper, Arista), WAN/LAN technologies (MPLS, QoS, Multicast), and network protocols.
• Knowledge of cloud networking (Azure, AWS).
• VPN, load balancing, and global DNS technologies.
• Understanding of web and network management technologies.

Desired Technical Skills

• Firewall platforms (Palo Alto, Cisco ASA, Checkpoint, Fortinet).
• Remote access and authentication solutions (RSA, Juniper/Pulse, Cisco ISE).
• Threat detection technologies and SDN/automation tools (GIT, Chef, Ansible, Puppet).
• Wi-Fi standards, scripting (Python, PowerShell), VMware NSX.

Our Vision and Culture

At Tesco, our vision is to be every customer's favourite shopping way, emphasising responsible and sustainable business practices. We foster an inclusive culture that values diversity and provides equal opportunities. We are committed to accessibility and support for all applicants, offering flexible working arrangements and a blend of office and remote work. Everyone is welcome at Tesco.