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Security Engineer Ii - Siem, Welwyn Garden City

Job typeFull-Time
CountryUnited Kingdom
CityWelwyn Garden City
What's in it for you
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 20% 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

About the role
We are the eyes and ears of the organisation using the latest technologies to increase visibility and protection of our systems, services and data to optimise capability whilst reducing risk and impact to our customers, colleagues and business. We need to stay ahead of the latest trends, continuously improving our tooling, training and processes.
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.

You will need
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).
  • Understanding and application of the following security tools: 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 us
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.