640 Ciso jobs in the United Kingdom

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.

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.
  

Requirements

• 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.

Benefits

• 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

Company description:

Exertis UK

Job description:

Job Title: Information Security Officer

Company: Exertis UK

Salary: Up to £50,000 DOE plus 10% Bonus OTE

Location: Basingstoke RG24 8EH or Burnley BB12 7BF (hybrid working, Monday to Friday, 9 am5:30 pm)

Contract Type: Permanent

Description:

Are you looking to take your IT career to the next level in a fast-paced, supportive, and rewarding environment? Join .

WHJS1_UKTJ

Information Security Officer

£26,810 - £9,302 pa for 22 hours a week (FTE 5,091 - 9,282 pa)

Horsham

Closing date: 10th September 2025

Horsham District Council is looking for an Information Security Officer to join our Customer and Digital Services team, to develop and support the Information Assets Registers, Security Policies, security training and to promote and provide advice and guidance on .

WHJS1_UKTJ

Senior Information Security Officer

Our Business Support teams deliver the vital services to ensure the continued success of our business divisions. These services include HR, Finance, Procurement, Marketing, Legal and Commercial, Estates and Facilities, Core Technology, Corporate Security, IT, and Fleet. Every person in every team is contributing the lasting impact our Team makes. Help build and keep the nation's critical infrastructure connected and protected 24/7.

Reporting into the Network Services Business Unit Security Manager, the Senior Information Security officer will ensure security is embedded into all areas of the business and appropriate technical controls are in place throughout our infrastructure. This company facing role will assist new initiatives such as Threat Modelling and assist projects through the tender process.

This is a hybrid working role, with a requirement to be in our Warwick a few times per month.

What you'll do:

• Assist on all Governance, Risk and Compliance activities across Network Services Business Unit.
• Provide specialist security expertise for multiple internal projects across the Network Services business area.
• Provide guidance in secure software development throughout the lifecycle.
• Lead on risk and compliance technical assessments of all applicable standards, policies, regulation, and legislation compliance
• Creation of security standards and requirements documents for projects and activities to be based on ISO 27001, NIST 800-53 and ISO 22301.
• Review risks, propose mitigation actions and solutions, and assisting ongoing risk treatment activity.
• Assist the security testing process from scoping, planning and stakeholder management through to remediation requirements lifecycles.
• Creation of the Threat Modelling process to be used across all services and systems

Who you are:

You're a security professional who knows how to keep systems and data safe without slowing the business down. You understand the latest threats, know your way around security frameworks, and can turn complex risks into clear actions.

Key Requirements:

• Hold one or more recognised security qualifications such as CISSP, CISM, CCSP, or CISMP
• Good technical and technical security knowledge across all security domains
• Knowledge and working experience of working with both Azure, CISCO and Fortinet
• Ability to articulate developing information security risks at a technical and business level.
• Experience in high-security or mission-critical environments-such as the military, law enforcement, or similar is a strong advantage, but not essential.
• Eligible for National Security Vetting at the Security Check (SC) level

What we offer:

A career at Telent can span many sectors, roles, technologies and clients giving you the opportunity to develop, learn new skills and make an impact. We are growing and we rely on our committed Team to deliver.

We nurture the talent that makes this happen, by our on-going commitment to creating an inclusive culture that respects and values difference, that celebrates diverse ideas. We want everyone to feel they can be themselves and to thrive at work.

The additional benefits with this role:

• Car Allowance
• 34 days holiday, including public holidays, plus the option to buy or sell days annually OR 26 days holiday, plus public holidays, and the option to buy or sell days annually
• Company pension scheme
• A range of family friendly policies
• Occupational health support and wellbeing Portal
• Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme.

Learn more about Telent:

Click here for Telent Video!

We're passionate about creating an environment that champions diversity and inclusion, where everyone feels they belong, can be themselves and empowered to reach their full potential. People are at the heart of our business, and we believe that our teams should reflect the diverse experiences and backgrounds of the communities we support.

#LI-Hybrid

#TJ-Hybrid

Senior Information Security Officer

Our Business Support teams deliver the vital services to ensure the continued success of our business divisions. These services include HR, Finance, Procurement, Marketing, Legal and Commercial, Estates and Facilities, Core Technology, Corporate Security, IT, and Fleet. Every person in every team is contributing the lasting impact our Team makes. Help build and keep the nation's critical infrastructure connected and protected 24/7.

Reporting into the Network Services Business Unit Security Manager, the Senior Information Security officer will ensure security is embedded into all areas of the business and appropriate technical controls are in place throughout our infrastructure. This company facing role will assist new initiatives such as Threat Modelling and assist projects through the tender process.

This is a hybrid working role, with a requirement to be in our Warwick a few times per month.

What you'll do:

• Assist on all Governance, Risk and Compliance activities across Network Services Business Unit.
• Provide specialist security expertise for multiple internal projects across the Network Services business area.
• Provide guidance in secure software development throughout the lifecycle.
• Lead on risk and compliance technical assessments of all applicable standards, policies, regulation, and legislation compliance
• Creation of security standards and requirements documents for projects and activities to be based on ISO 27001, NIST 800-53 and ISO 22301.
• Review risks, propose mitigation actions and solutions, and assisting ongoing risk treatment activity.
• Assist the security testing process from scoping, planning and stakeholder management through to remediation requirements lifecycles.
• Creation of the Threat Modelling process to be used across all services and systems

Who you are:

You're a security professional who knows how to keep systems and data safe without slowing the business down. You understand the latest threats, know your way around security frameworks, and can turn complex risks into clear actions.

Key Requirements:

• Hold one or more recognised security qualifications such as CISSP, CISM, CCSP, or CISMP
• Good technical and technical security knowledge across all security domains
• Knowledge and working experience of working with both Azure, CISCO and Fortinet
• Ability to articulate developing information security risks at a technical and business level.
• Experience in high-security or mission-critical environments-such as the military, law enforcement, or similar is a strong advantage, but not essential.
• Eligible for National Security Vetting at the Security Check (SC) level

What we offer:

A career at Telent can span many sectors, roles, technologies and clients giving you the opportunity to develop, learn new skills and make an impact. We are growing and we rely on our committed Team to deliver.

We nurture the talent that makes this happen, by our on-going commitment to creating an inclusive culture that respects and values difference, that celebrates diverse ideas. We want everyone to feel they can be themselves and to thrive at work.

The additional benefits with this role:

• Car Allowance
• 34 days holiday, including public holidays, plus the option to buy or sell days annually OR 26 days holiday, plus public holidays, and the option to buy or sell days annually
• Company pension scheme
• A range of family friendly policies
• Occupational health support and wellbeing Portal
• Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme.

Learn more about Telent:

Click here for Telent Video!

We're passionate about creating an environment that champions diversity and inclusion, where everyone feels they belong, can be themselves and empowered to reach their full potential. People are at the heart of our business, and we believe that our teams should reflect the diverse experiences and backgrounds of the communities we support.

#LI-Hybrid

#TJ-Hybrid

WHJS1_UKTJ

WHJS1_UKTJ

Our Business Support teams deliver the vital services to ensure the continued success of our business divisions. These services include HR, Finance, Procurement, Marketing, Legal and Commercial, Estates and Facilities, Core Technology, Corporate Security, IT, and Fleet. Every person in every team is contributing the lasting impact our Team makes. Help build and keep the nation's critical infrastructure connected and protected 24/7.

Reporting into the Network Services Business Unit Security Manager, the Senior Information Security officer will ensure security is embedded into all areas of the business and appropriate technical controls are in place throughout our infrastructure. This company facing role will assist new initiatives such as Threat Modelling and assist projects through the tender process.

This is a hybrid working role, with a requirement to be in our Warwick a few times per month.

What you’ll do:

• Assist on all Governance, Risk and Compliance activities across Network Services Business Unit.
  
• Provide specialist security expertise for multiple internal projects across the Network Services business area.
  
• Provide guidance in secure software development throughout the lifecycle.
  
• Lead on risk and compliance technical assessments of all applicable standards, policies, regulation, and legislation compliance
  
• Creation of security standards and requirements documents for projects and activities to be based on ISO 27001, NIST 800-53 and ISO 22301.
  
• Review risks, propose mitigation actions and solutions, and assisting ongoing risk treatment activity.
  
• Assist the security testing process from scoping, planning and stakeholder management through to remediation requirements lifecycles.
  
• Creation of the Threat Modelling process to be used across all services and systems.
  

Who you are:

You’re a security professional who knows how to keep systems and data safe without slowing the business down. You understand the latest threats, know your way around security frameworks, and can turn complex risks into clear actions.

Key Requirements:

• Hold one or more recognised security qualifications such as CISSP, CISM, CCSP, or CISMP
  
• Good technical and technical security knowledge across all security domains
  
• Knowledge and working experience of working with both Azure, CISCO and Fortinet
  
• Ability to articulate developing information security risks at a technical and business level.
  
• Experience in high-security or mission-critical environments—such as the military, law enforcement, or similar—is a strong advantage, but not essential.
  
• Eligible for National Security Vetting at the Security Check (SC) level
  

What we offer:

A career at Telent can span many sectors, roles, technologies and clients giving you the opportunity to develop, learn new skills and make an impact. We are growing and we rely on our committed Team to deliver.

We nurture the talent that makes this happen, by our on-going commitment to creating an inclusive culture that respects and values difference, that celebrates diverse ideas. We want everyone to feel they can be themselves and to thrive at work.

The additional benefits with this role:

• Car Allowance
  
• 34 days holiday, including public holidays, plus the option to buy or sell days annually OR 26 days holiday, plus public holidays, and the option to buy or sell days annually
  
• Company pension scheme
  
• A range of family friendly policies
  
• Occupational health support and wellbeing Portal
  
• Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme.
  

Learn more about Telent:

We’re passionate about creating an environment that champions diversity and inclusion, where everyone feels they belong, can be themselves and empowered to reach their full potential. People are at the heart of our business, and we believe that our teams should reflect the diverse experiences and backgrounds of the communities we support.

Our Business Support teams deliver the vital services to ensure the continued success of our business divisions. These services include HR, Finance, Procurement, Marketing, Legal and Commercial, Estates and Facilities, Core Technology, Corporate Security, IT, and Fleet. Every person in every team is contributing the lasting impact our Team makes. Help build and keep the nation's critical infrastructure connected and protected 24/7.

Reporting into the Network Services Business Unit Security Manager, the Senior Information Security officer will ensure security is embedded into all areas of the business and appropriate technical controls are in place throughout our infrastructure. This company facing role will assist new initiatives such as Threat Modelling and assist projects through the tender process.

This is a hybrid working role, with a requirement to be in our Warwick a few times per month.

What you’ll do:

• Assist on all Governance, Risk and Compliance activities across Network Services Business Unit.
  
• Provide specialist security expertise for multiple internal projects across the Network Services business area.
  
• Provide guidance in secure software development throughout the lifecycle.
  
• Lead on risk and compliance technical assessments of all applicable standards, policies, regulation, and legislation compliance
  
• Creation of security standards and requirements documents for projects and activities to be based on ISO 27001, NIST 800-53 and ISO 22301.
  
• Review risks, propose mitigation actions and solutions, and assisting ongoing risk treatment activity.
  
• Assist the security testing process from scoping, planning and stakeholder management through to remediation requirements lifecycles.
  
• Creation of the Threat Modelling process to be used across all services and systems.
  

Who you are:

You’re a security professional who knows how to keep systems and data safe without slowing the business down. You understand the latest threats, know your way around security frameworks, and can turn complex risks into clear actions.

Key Requirements:

• Hold one or more recognised security qualifications such as CISSP, CISM, CCSP, or CISMP
  
• Good technical and technical security knowledge across all security domains
  
• Knowledge and working experience of working with both Azure, CISCO and Fortinet
  
• Ability to articulate developing information security risks at a technical and business level.
  
• Experience in high-security or mission-critical environments—such as the military, law enforcement, or similar—is a strong advantage, but not essential.
  
• Eligible for National Security Vetting at the Security Check (SC) level
  

What we offer:

A career at Telent can span many sectors, roles, technologies and clients giving you the opportunity to develop, learn new skills and make an impact. We are growing and we rely on our committed Team to deliver.

We nurture the talent that makes this happen, by our on-going commitment to creating an inclusive culture that respects and values difference, that celebrates diverse ideas. We want everyone to feel they can be themselves and to thrive at work.

The additional benefits with this role:

• Car Allowance
  
• 34 days holiday, including public holidays, plus the option to buy or sell days annually OR 26 days holiday, plus public holidays, and the option to buy or sell days annually
  
• Company pension scheme
  
• A range of family friendly policies
  
• Occupational health support and wellbeing Portal
  
• Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme.
  

Learn more about Telent:

We’re passionate about creating an environment that champions diversity and inclusion, where everyone feels they belong, can be themselves and empowered to reach their full potential. People are at the heart of our business, and we believe that our teams should reflect the diverse experiences and backgrounds of the communities we support.