Job Introduction
About The Security & Capability Team
Our team is responsible for providing and maintaining tools used by Tesco in order to monitor and secure our systems, while also helping our colleagues globally.
 
We maintain global hybrid instances of our chosen tools for SIEM, Application Performance Monitoring, Log Monitoring, Backlog Management, Identity Access Management, Service Desk, self-help portals for colleagues and incident communications.  In addition to the challenges delivering this capability brings, we're also the team responsible for the security operations centre and our security architecture, working across Tesco globally to secure our systems and data!  Our Technology Risk & Compliance team works tirelessly to further develop a risk aware culture and drive audit and regulatory improvements across the technology team in all Tesco countries.
 
We aim to provide colleagues with a great experience by providing world class tooling, processes and advice.  We believe in solutions that are either self-service or invisible to the end user - that's not always easy to achieve, but it's what we strive for.

Main Responsibilities
The Role - Security Engineer
 
You will focus on improving the telemetry, processes and tools for Tesco's SIEM system and SOC team.  This role requires proven experience with security telemetry, security intelligence, anomaly hunting and incident response.
 
The Engineer must leverage intuition, security knowledge and a broad of array of tools and advanced security techniques to help us uncover and stay alert to malicious activity.  Bilaterally, we're building a threat hunting capability to feed back into our telemetry and processes. 

The Ideal Candidate
Key Skills and Experience
 

• Experience performing technical analysis involving security event data and evaluating malicious activity.
• Knowledge of TCP/IP and related network protocols: knowledge of standard network protocols like TCP, ARP, ICMP, DHCP, DNS, HTTP, SNMP etc., and accompanying protocol/packet analysis/manipulation tools.
• Knowledge of information security protection/detection and authentication systems (firewalls, IDS, IPS, anti-virus, etc).
• Knowledge of commonly-accepted information security principles and practices, as well as techniques attackers would use to identify vulnerabilities, gain unauthorized access, escalate privileges and access restricted information.
• Knowledge of current operating environments (Microsoft, Linux, & OS X).
• Development / Configuration experience with any industry leading SIEM platform.
• Experience of development using a programming language in a DevOps environment using agile techniques.
• Exceptional analytical and critical thinking, willingness to challenge status quo.
• Excellent interpersonal skills.
• Advanced written and oral communications, self-motivator.
• Team player and independent worker, highly adaptive.

 
Desirable Tools / Technologies:
 

• Splunk (including Enterprise Security, UBA and CIM)
• AWS
• Devops toolsets - Github, Jenkins, Jira etc.
• Python, Java

 
Academia: College degree or equivalent work experience.
 
Desirable Certifications:  SSCP, GSEC, GCIH, GCIA or other industry relevant certifications.

About The Company
About Tesco
Tesco Technology is not your standard IT Department, we're a Technology organisation driving change and delivering value by building great products for our customers and colleagues every day.
The retail environment is changing, brought about through developments in technology. The growth of internet shopping, mobile and convenience is changing the way customers want to shop. As a retailer, the customer is at the heart of everything we do and Technology is no different; our aim is to focus on serving customers wherever, whenever and however they want to shop with us.
Our team is innovative, highly-skilled, agile, passionate and fun. If you're looking for an environment to create cutting edge solutions which make a difference to millions of customers and colleagues across the globe, then this is the place for you.
The position will be based within our technology centre in Welwyn Garden City.

Package Description
We offer excellent benefits that help make Tesco a great place to work.  These include but aren't limited to:
 

• An annual bonus scheme which you can achieve up to 3.5% of base salary
• Colleague Clubcard (including a 2nd card for a family member) after 6 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
• Save As You Earn Scheme
• Deals & Discounts through Tesco including Tesco Mobile & Tesco Bank
• Deals and Discounts through many other external businesses