We are looking for a proactive and detail-oriented Information Security Analyst to join our team. Based in either London or Cambridge, you will play a key role in protecting Quantinuum’s intellectual property by managing the tools and systems that monitor, detect, and respond to security threats. Your focus will span both on-premises Security Information and Event Management (SIEM) systems and cloud-based solutions, while ensuring the security of our remote workforce. This role is ideal for someone passionate about threat hunting, data analysis, and continuously improving security practices.
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Key Responsibilities:- Oversee, manage, and maintain the SIEM system.
- Collaborate with business units to develop and optimize use case scenarios for SIEM.
- Manage and enhance endpoint malware detection and prevention tools.
- Provide expert end-user support when security controls impact workflows.
- Work cross-functionally to reduce risks while maintaining operational efficiency.
- Maximize the effectiveness of existing security tools and identify areas for improvement.
- Perform vulnerability scanning and assist with security control assessments.
- Contribute to Cloud Security Reviews and improve information security awareness across the company.
- Develop and report key operational metrics for informed decision-making.
YOU MUST HAVE:- Bachelor’s degree (or equivalent) in Cybersecurity, Computer Science, Engineering, Information Systems, or a related field.
- Proven experience in Information Security, with hands-on skills in SIEM and endpoint security tools.
WE VALUE:- Master’s degree in Cybersecurity, Computer Science, Engineering, Information Systems, or a related field.
- Passionate about continuous learning and staying up to date with the latest security trends.
- Strong organizational, multitasking, and time-management skills.
- Ability to work effectively in a dynamic and multicultural environment.
- Solid understanding of software development, deployment, and securing network architectures.
- Demonstrated expertise with on-premises and cloud-based systems, including Azure and AWS.
- Familiarity with incident response plans, and security across multiple operating systems (Windows, Mac, Linux).
- Relevant certifications such as (ISC)², ISACA, CEH, SANS are highly desirable.
- Familiarity with endpoint detection and prevention tools.
- Experience working in fast-paced, technology-driven environments, especially startups.
- A strong commitment to customer service and employee satisfaction.
- Ability to create documentation and design workflows to enhance workplace support.
- Capacity to work autonomously while engaging with a remote, distributed team.
- Innovative, results-driven, and self-motivated.
- An excellent communicator who knows when to escalate issues.
- Adaptability to the needs of a fast-moving business environment
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What is in it for you?
Working alongside a highly talented team, with leading names in the quantum computing industry. We offer a highly competitive package, equity, 28 days of paid holiday (in addition to public holidays), a workplace pension, a positive approach to flexible working and enhanced parental and adoption benefits.
About Us:
Science Led, Enterprise Driven – Accelerating Quantum Computing
Quantinuum is the world’s largest integrated quantum company, pioneering powerful quantum computers and advanced software solutions. Quantinuum’s technology drives breakthroughs in materials discovery, cybersecurity, and next-gen quantum AI. With approximately 500 employees, including 370+ scientists and engineers, Quantinuum leads the quantum computing revolution across continents.
We unite best-in-class software with high-fidelity hardware to accelerate quantum computing. With integrated full-stack technology, our world-class team is rapidly scaling quantum computing. We’re hiring the world’s best talent to make it happen. Join us!
Quantinuum recently secured $300m in funding, visit our news pages to learn more about this and other Quantinuum scientific breakthroughs and achievements: https://www.quantinuum.com/news
Please note that employment with us is subject to successfully passing our pre-employment screening checks. We are an inclusive equal opportunity employer. You will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status.