Senior Security Engineer

7 days ago


Welwyn Garden City, Hertfordshire, United Kingdom Tesco Full time
About the role
  • About the Security Engineering team
    We are a rapidly expanding team of over 15 members dedicated to supporting Tesco's technology and software development teams as they embrace cloud platforms and other cutting-edge technologies on a large scale. This position has been introduced for a security engineer role within our UK-based security engineering unit. Unlike traditional security teams, we operate as security partners rather than as enforcers, preferring to be known as Security Partners instead of Security Architects or Consultants.

Our software engineering teams enjoy considerable autonomy in their work and are entrusted with the responsibility of making the best decisions for our customers. Instead of imposing strict processes and security barriers, we empower our engineering teams to be innovative by offering security guidance to assist them in making informed choices for Tesco. Fortunately, our engineering teams are usually eager to enhance security measures efficiently and proactively. We are seeking your assistance in expanding our presence and influence across broader engineering domains.

  • Tesco has wholly embraced DevOps and agile methodologies to create enterprise APIs, services, and cloud abilities. With numerous delivery teams operating with Docker, Kubernetes, and various microservices on Azure and AWS, our security strategies must adapt to dynamic infrastructure that is here today, gone tomorrow. Our security measures are designed to be event-driven, real-time, and highly effective as opposed to relying on outdated weekly scans.
Developing strong security partnerships for Tesco Technology
  • Security partnerships involve revolutionizing the delivery of security solutions within our technology domains and software engineering teams. As a security partner, your role is to advocate positive security transformation within your product teams actively.

You will be responsible for
  • On a day-to-day basis:
  • Offering direction and guidance on all security matters to engineering and product teams. You have the support of an entire security organization, so the responsibility is not as daunting as it may seem.
  • Assisting product teams in securely delivering new business features while effectively managing technical and business risks.
  • Leading the deployment and integration of security capabilities into engineering teams within the product domain.
  • Driving security initiatives such as defining security requirements, conducting threat modeling, enhancing application security, and minimizing vulnerabilities in collaboration with the engineering teams.
  • Emphasizing the importance of reducing friction within existing workflows and providing fast feedback rather than introducing additional consoles for developers to monitor.
  • Collaborating with teams on mobile applications, web applications, cloud, and data security matters, offering guidance on threat modeling, risk mitigation, and security across all areas. If necessary, actively engage in addressing security issues through PR submission.
  • Assisting in resolving risks while challenging decisions and the status quo.
  • Participating in assurance activities like penetration testing, purple testing, and app assurance.
  • Developing quarterly/monthly roadmaps for security activities and effectively planning their implementation.
  • Acting as a security evangelist, contributing to fortifying Tesco's internal policies and standards.

You will need
  • Ideally, you will bring the following:
  • Past experience in various common security domains, as the fundamental security challenges remain consistent despite technological advancements.
  • A comprehensive understanding of modern application development practices to seamlessly integrate security capabilities while minimizing developer resistance.
  • Strong interpersonal, facilitation, and leadership skills, coupled with excellent communication abilities (both written and verbal).
  • Capable of offering security guidance throughout the product development lifecycle to engineering teams.
  • Proficient in developing threat models, attack trees, and incorporating security by design into product engineering efforts.
  • Adept at web technologies, REST APIs, microservices, modern application development, and mobile applications.
  • Familiarity with software architecture, dev-sec-ops, and network security protocols.
  • Desirable experience in browser security or mobile app security.
  • Knowledge of industry standards like OWASP ASVS, OWASP Top-10, and CIS benchmarks.
  • Hands-on experience with intricate Azure and AWS architectures, with an emphasis on containerized workloads.
  • Highly valuable command-line/API experience, given the strategic priority of security automation.
  • Some coding exposure, such as Java, HTML, or JavaScript, to comprehend the impact of security on engineering efficiency without necessitating full development expertise.
  • Familiarity with PCI-DSS would be advantageous.
  • At least 5 years of experience in security engineering or related fields.
  • Bachelor's degree in Computer Science, Information Systems, or similar engineering disciplines.
  • Preferred Azure or AWS cloud security certifications.
What's in it for you
  • We provide exceptional benefits that contribute to making Tesco an outstanding workplace, including but not limited to:
  • Annual bonus scheme
  • Starting holiday entitlement of 25 days plus a personal day (in addition to bank holidays)
  • Colleague discounts and special offers, enabling savings on everyday purchases, home utility bills, and more
  • Retirement savings plan - Tesco matches your contribution between 4% and 7.5%
  • Participation in share schemes - Buy as you earn and Save as you earn
  • Opportunities for growth - Take advantage of our continuous learning programs and award-winning training for career advancement
About us
Our vision at Tesco is to become the preferred shopping destination for every customer, whether they are at home or on the go. Our core mission is to improve the lives of our customers, communities, and the planet every day. For us, 'serving' goes beyond just transactions; it entails operating as a responsible and sustainable business for all stakeholders, the communities we serve, and the planet.

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