Security Engineer II

< h3> About the role< /h3> < p> At Tesco, our Network Security team plays a critical role in safeguarding the foundational layer of our digital ecosystem, the network transport layer. This layer underpins every application and system we operate, making its security essential to our business resilience.< /p> < p> We are looking for a skilled and proactive Network Security Engineer II to join our team. In this role, you will be responsible for monitoring, analysing, and responding to security events across diverse environments and geographies. You will also engage in proactive threat hunting to identify and mitigate risks before they impact our operations.< /p> < p> As part of a collaborative and cross-functional cybersecurity team, you will leverage your expertise to assess network-related threats and vulnerabilities. You ll work closely with infrastructure teams to ensure timely and effective resolution of identified issues, contributing to Tesco s overall security posture.< /p> < p> You will be responsible for< /p> < ul> < li> Monitor and analyse network security events across multiple platforms and locations.< /li> < li> Investigate and respond to incidents, escalating where appropriate.< /li> < li> Conduct proactive threat hunting to identify emerging risks.< /li> < li> Collaborate with cybersecurity and infrastructure teams to assess and mitigate network vulnerabilities.< /li> < li> Contribute to the continuous improvement of network security monitoring and response processes.< /li> < /ul> < p> You will need< /p> < ul> < li> < strong> Technical Proficiency< /strong> < ul> < li> Hands-on problem-solving and critical thinking skills.< /li> < li> Comprehensive understanding of network engineering principles, with a strong grasp of how security controls are integrated to mitigate evolving cyber threats.< /li> < /ul> < /li> < li> < strong> Data Analysis< /strong> < ul> < li> Proven analytical skills of large complex structured and unstructured datasets using query languages.< /li> < /ul> < /li> < li> < strong> Proficiency in scripting< /strong> < ul> < li> Proficiency in scripting and processing tools (e.g., Python, PowerShell, Excel) for analysis, task automation, and workflow improvements.< /li> < /ul> < /li> < li> < strong> Communication and Collaboration< /strong> < ul> < li> Strong written and verbal skills to produce tailored intelligence products for all levels.< /li> < li> Collaborating with the shared pursuit of securing the business, whilst fostering trust and belief in each other.< /li> < li> Supporting new relationships through active participation in intelligence-sharing communities.< /li> < /ul> < /li> < li> < strong> Continuous Improvement and Adaptation< /strong> < ul> < li> Proactive, attention to detail and curious.< /li> < li> Commitment to continuous improvement through workflow optimisation and automation.< /li> < /ul> < /li> < /ul> Disclaimer : This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.