Posted October 16, 2026 · Closes October 26, 2026
You will be taken to the employer's own website to complete your application.
Job Description
About Marks & Spencer
Marks & Spencer (M&S) is one of the UK’s leading retailers, recognised for quality products, excellent customer service and ongoing digital innovation. The company continues to invest in technology and cybersecurity to protect its business operations, customer information and digital infrastructure. Its Digital & Tech team plays a vital role in maintaining secure systems and ensuring that technology services remain reliable and resilient.
Role Overview
Marks & Spencer is seeking a skilled and proactive Specialist Security Platform Engineer to join its Digital & Tech team in London. The successful candidate will help protect the organisation’s data, applications and systems by maintaining and improving security capabilities across data, identity, email, network and endpoint environments.
The role involves configuring security technologies, investigating vulnerabilities, implementing security controls and improving the organisation’s overall security posture. The engineer will collaborate with internal teams and external vendors to ensure security solutions are effectively integrated and aligned with established standards and policies.
This opportunity is ideal for a cybersecurity professional with hands-on infrastructure security experience, strong analytical abilities and a commitment to identifying and reducing security risks in a fast-moving technology environment.
Key Responsibilities as a Specialist Security Platform Engineer
- Maintain and strengthen security capabilities across data, identity, email, network and endpoint environments.
- Configure, optimise and support security technologies, tools, controls and processes to improve the organisation’s cybersecurity posture.
- Identify security gaps, investigate vulnerabilities and implement appropriate remediation measures.
- Analyse system configurations, security logs and alerts to identify suspicious activity, anomalies and potential threats.
- Establish and implement security standards, technical guardrails, policies and procedures across the organisation.
- Support the adoption of security controls and ensure that systems comply with relevant security requirements.
- Work with infrastructure, technology and business teams to address security weaknesses and reduce operational risks.
- Collaborate with external vendors to integrate security services and optimise the performance of security tools.
- Investigate technical security problems, identify root causes and recommend effective solutions.
- Communicate complex security issues and technical recommendations clearly to both technical and non-technical stakeholders.
- Contribute to continuous improvement initiatives that strengthen security processes and operational effectiveness.
- Support the consistent implementation of security best practices across the organisation.
- Work collaboratively with colleagues to maintain effective security controls as technology requirements evolve.
Shift Pattern & Pay
- Salary: Competitive, plus benefits.
- Job type: Full-time.
- Contract type: Permanent.
- Location: London Support Office, Greater London.
- Working arrangement: Hybrid, with support teams expected to work in the office at least three days per week.
The role requires collaboration with colleagues and stakeholders to support security operations and deliver improvements across the organisation’s technology environment.
Start Your Career With Marks & Spencer
Joining Marks & Spencer offers cybersecurity professionals the opportunity to contribute to the protection of a major UK retailer’s technology infrastructure. The Specialist Security Platform Engineer role combines hands-on technical work, security analysis and cross-functional collaboration to strengthen the organisation’s defences against cyber threats.
Candidates with relevant infrastructure security experience, practical knowledge of security platforms and strong problem-solving skills can help improve security standards while developing their careers in cybersecurity engineering.
Apply Now to become a Specialist Security Platform Engineer at Marks & Spencer and help protect critical systems, strengthen security controls and reduce cyber risks across the business.
How to Apply
Interested candidates should visit the official M&S careers website and submit an online application for the Specialist Security Platform Engineer vacancy.
The recruitment process may include an online assessment followed by a remote or in-person interview covering technical security knowledge, troubleshooting abilities and relevant professional competencies. Applicants who require reasonable adjustments during recruitment can notify the hiring team when submitting their application.
Requirements
- At least three years of relevant experience in infrastructure security or a closely related cybersecurity discipline. Hands-on experience with security technologies such as Microsoft Defender, Microsoft Purview, CrowdStrike and network security solutions. Strong understanding of data security, identity protection, email security, network security and endpoint security. Experience configuring and maintaining security controls and investigating potential security vulnerabilities. Ability to analyse system configurations and logs to identify security gaps, unusual behaviour and potential threats. Strong troubleshooting and problem-solving skills, including the ability to identify root causes and recommend practical solutions. Knowledge of security standards, technical controls, policies and procedures. Excellent communication skills and the ability to work effectively with technical teams, business stakeholders and external vendors. Ability to work independently while contributing effectively to a collaborative team. A proactive approach to security monitoring, risk reduction and continuous improvement. Flexibility to adapt to changing technology requirements and emerging cybersecurity threats.
Benefits
- 20% colleague discount on eligible M&S products and selected third-party brands for the employee and a household member after completing probation, subject to eligibility. Competitive annual leave entitlement, with the option to purchase additional holiday. Discretionary bonus schemes linked to individual and business performance. Workplace pension savings plan and life assurance. Tailored induction and training opportunities. Access to discounts and savings through the M&S Choices portal. Family-friendly policies, including maternity, paternity, adoption and neonatal leave. Wellbeing support, including access to a virtual GP service and mental health resources. One paid volunteering day each year. Opportunities to develop specialist cybersecurity and infrastructure security expertise. An inclusive working environment that supports collaboration, innovation and professional development.
You will be taken to the employer's own website to complete your application.
