Chief Information Security Officer

Fuse Energy; London; On-site; GBP 100,000 - 140,000; Full time

Job summary

An energy technology company in London is seeking a Chief Information Security Officer (CISO) to lead and enhance its security strategy. The role involves developing security frameworks, managing risk, and fostering a proactive security culture. Ideal candidates will have over 5 years of experience in cybersecurity, particularly in cloud and application security. A competitive salary, stock options, and additional benefits are offered.

Benefits

Competitive salary

Stock options sign-on bonus

Paid annual leave

Breakfast and dinner for office based employees

Qualifications

• 5+ years in cybersecurity, with prior leadership or CISO experience.
• Deep understanding of cloud security (especially AWS), application security, and modern DevSecOps.
• Proven experience securing systems involving digital assets, cryptographic components, or distributed infrastructure.

Responsibilities

• Define and lead security strategy across infrastructure, applications, and data.
• Build and mentor a high-performing security team.
• Ensure compliance with SOC 2, ISO 27001, GDPR, and other frameworks.

Skills

Leadership

Cloud security (AWS)

Application security

Risk management

Communication skills

Education

Bachelor’s or advanced degree in Computer Science

Job description

Fuse is building a fully integrated energy company—spanning solar, wind, hydrogen, power trading, and distributed energy systems. We sell directly to consumers to reduce costs and deliver real savings.

We're also creating the Energy Network: a decentralised system of smart devices that rewards users in Energy Dollars for electrifying their homes, shifting usage to off-peak hours, and supporting grid stability—critical for scaling AI and energy-intensive industries.

We’re looking for a Chief Information Security Officer (CISO) to lead our company-wide security strategy. You’ll protect our infrastructure, digital assets, and customer data while enabling fast, secure growth.

Key Responsibilities

Security Strategy & Leadership

• Define and lead Fuse’s security strategy across infrastructure, applications, and data.
• Lead hands-on development of security roadmaps, maturity models, and control frameworks tailored to Fuse’s risk profile.
• Directly contribute to architecture reviews, threat modelling sessions, and key design decisions across product and platform teams.
• Build and mentor a high-performing security team, including hiring, coaching, and managing performance.
• Develop KPIs and reporting structures to measure and communicate security posture to leadership and the board.
• Advise the executive team on security risks, regulatory exposure, and investment priorities to support long-term growth.
  
  

Governance & Compliance

• Own company-wide security governance, including data protection, access control, and insider risk.
• Ensure compliance with SOC 2, ISO 27001, GDPR, and other relevant frameworks.
• Oversee security audits and third-party risk programs.
  
  

Risk Management & Threat Intelligence

• Lead threat modelling, risk assessments, and security reviews of critical systems; design and deliver security awareness training programs for all employees to promote a culture of proactive risk management.
• Build threat intelligence capabilities to stay ahead of emerging risks.
• Balance risk management with product and engineering velocity.
  
  

Incident Response & Resilience

• Own response plans for high-severity threats and incidents.
• Build robust detection, containment, and remediation processes.
• Drive business continuity and disaster recovery strategy.
  
  

Technology & Infrastructure Security

• Partner with engineering to embed security in the SDLC and infrastructure.
• Guide secure design for cryptographic systems, transaction flows, and the Energy Network.
• Ensure resilience across distributed devices and on/off-chain systems.
  
  

Security Culture & Collaboration

• Promote a security-first culture across product, data, legal, and compliance.
• Represent Fuse externally in customer, regulatory, and industry engagements.
  

• 5+ years in cybersecurity, with prior leadership or CISO experience.
• Deep understanding of cloud security (especially AWS), application security, and modern DevSecOps.
• Proven experience securing systems involving digital assets, cryptographic components, or distributed infrastructure.
• Strong grasp of regulatory frameworks: SOC 2, ISO 27001, GDPR, NIST, etc.
• Background in threat modeling, incident response, and risk management.
• Excellent leadership, communication, and stakeholder skills.
• Bachelor’s or advanced degree in Computer Science, Information Security, or related field.

Bonus:

• Experience with CTFs, red/blue team exercises, or offensive security.

• Competitive salary and a stock options sign-on bonus
• Biannual bonus scheme
• Fully expensed tech to match your needs!
• Paid annual leave
• Breakfast and dinner for office based employees