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- Tasks: Lead and manage Nscale's security framework across physical, technical, and organisational domains.
- Company: Join Nscale, the GPU cloud powering AI innovation for startups and enterprises.
- Benefits: Competitive salary, equity, flexible work, and tailored career progression.
- Why this job: Make a real impact in a fast-growing tech startup focused on cutting-edge AI.
- Qualifications: 5+ years in security management with expertise in ISO 27001 and SOC 2 frameworks.
- Other info: Remote-first culture with a focus on collaboration and personal growth.
The predicted salary is between 60000 - 84000 £ per year.
Join to apply for the Senior Information Security Manager role at Nscale.
Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and environmental responsibility.
We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence and urgency. As an Nscaler, you’ll build trust through openness and transparency, where everyone is inspired to do their best work. If you join our team, you’ll be contributing to building the technology that powers the future.
Role Overview
We are seeking a Senior Information Security Manager to work closely with the Head of Information Security in building and managing Nscale’s end-to-end security framework across physical, technical, and organisational domains. You’ll be hands-on, execution-focused, and comfortable working in a complex environment that spans hyperscale GPU clusters, critical infrastructure, and compliance programmes (SOC 2 Type II, ISO 27001/17/18, Cyber Essentials Plus, ISO 22301, and ISO 22337). This role will directly support ongoing certification, audit readiness, and incident response initiatives, while driving operational maturity across all Nscale sites and systems. This role requires UK government security clearance up to DV.
What You'll Do
- Governance, Risk & Compliance
- Support ongoing delivery of ISO 27001, ISO 27017/27018, SOC 2 Type II, Cyber Essentials Plus, and ISO 22301 frameworks.
- Maintain the Information Security Management System (ISMS), risk register, and control evidence for internal and external audits.
- Support third-party risk management (TPRM) ensuring supplier compliance and onboarding reviews.
- Develop and track KPIs/KRIs for security operations and compliance health.
- Operational Security
- Oversee vulnerability management, EDR posture, and security incident workflows in partnership with or MSSPs.
- Support incident detection, triage, investigation, and root-cause analysis.
- Own operational runbooks for containment, eradication, and recovery procedures.
- Review access control lists, privileged-user logs, and infrastructure security baselines.
- Maintain asset inventory, patch cadence, and configuration compliance (servers, workstations, and Kubernetes workloads).
- Physical & Data Centre Security
- Support the physical security programme at all Nscale data centres, ensuring alignment with ISO 27001 Annex A.11 and ISO 22237.
- Maintain visitor management and access audit trails, assisting with incident reviews and compliance documentation.
- Awareness & Culture
- Support security awareness and phishing simulation programmes.
- Develop clear communications and training materials to reinforce security accountability across teams.
- Continuous Improvement
- Contribute to architecture reviews, change-control boards, and project assessments.
- Identify and implement automation opportunities to reduce manual compliance and reporting overhead.
- Track and report on control effectiveness, audit findings, and remediation progress to senior leadership.
About You
- 5+ years in information or physical security management within a data centre, cloud, or MSP environment.
- Deep familiarity with ISO 27001, SOC 2, NIST CSF, and Cyber Essentials Plus frameworks.
- Experience leading or supporting audits and external assessments.
- Strong understanding of incident response, vulnerability management, and access control processes.
- Excellent documentation, communication, and stakeholder management skills.
- Hands-on with GRC tooling.
- Experience with GPU/HPC or cloud infrastructure security.
- Familiarity with ISO 22237 (data-centre design & operations).
- Knowledge of Kubernetes, container security, and hybrid cloud architectures.
- Familiarity with Darktrace, Tenable, Checkpoint Harmony, and Exabeam SIEM.
- Security certifications (CISSP, CISM, ISO 27001 LA/LI, CompTIA Sec+, or similar).
What We Can Offer You
At Nscale, you'll find a collaborative, supportive, and innovative environment where your contributions spark real impact. We're building something extraordinary, and we want you at the core.
- Highly competitive package (base + equity) with reviews every 12 months.
- Join the fastest-growing tech startup, your chance to push boundaries, collaborate with brilliant minds, and make your mark on cutting-edge AI.
- Expect a dynamic progression plan tailored to your ambitions. Grow by trying new things, leading, challenging the status quo, and owning your impact, always with our full support.
- Human-First Flexibility: We treat you as humans first. Our flexible workplace trusts Nscalers to deliver, giving you the autonomy to shape your day around life's moments.
- Join our thriving remote-first team. Geography is no barrier to impact or connection. We build seamless virtual collaboration, empowering you, wherever you work.
Senior Information Security Manager in London employer: Nscale
Contact Detail:
Nscale Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Information Security Manager in London
✨Tip Number 1
Network like a pro! Reach out to current or former employees at Nscale on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.
✨Tip Number 2
Prepare for the interview by diving deep into Nscale’s culture and values. Show us how your experience aligns with our focus on innovation and accountability. We love candidates who can demonstrate they fit right in!
✨Tip Number 3
Practice your responses to common security management scenarios. We want to see how you handle real-world challenges, so think about examples from your past that showcase your skills and problem-solving abilities.
✨Tip Number 4
Don’t forget to follow up after your interview! A quick thank-you email reiterating your enthusiasm for the role can leave a lasting impression. It shows us you’re genuinely interested in joining the Nscale team.
We think you need these skills to ace Senior Information Security Manager in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Information Security Manager role. Highlight your experience with ISO frameworks and security management, as these are key for us at Nscale.
Craft a Compelling Cover Letter: Your cover letter should tell us why you're passionate about information security and how your skills align with our mission. Be genuine and let your personality shine through!
Showcase Relevant Experience: When detailing your past roles, focus on your hands-on experience with incident response and compliance frameworks. We want to see how you've tackled challenges in complex environments.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity at Nscale!
How to prepare for a job interview at Nscale
✨Know Your Frameworks
Make sure you’re well-versed in ISO 27001, SOC 2, and Cyber Essentials Plus. Be ready to discuss how you've applied these frameworks in your previous roles, as this will show your hands-on experience and understanding of compliance.
✨Showcase Incident Response Skills
Prepare to share specific examples of how you've handled security incidents in the past. Highlight your approach to detection, triage, and root-cause analysis, as this is crucial for the role at Nscale.
✨Demonstrate Leadership in Security Culture
Talk about your experience in developing security awareness programmes and training materials. Nscale values a culture of accountability, so showing how you've fostered this in previous teams will set you apart.
✨Be Ready for Technical Questions
Expect questions on vulnerability management, access control processes, and cloud infrastructure security. Brush up on your knowledge of Kubernetes and container security, as these are key areas for the role.