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Security Engineer
Security Engineer
We're on the lookout for a Security Engineer to join Nucleus' Information Security team, to help ensure that we are secure by design.
About the Role
The Security Engineer supports the delivery of Nucleus’s technology and business change agendas by translating security requirements into practical, working controls. The function sets the security requirements, while the Engineer is responsible for designing, implementing and validating these controls.
Key Responsibilities
- Apply security best practice in change and development programmes to stay within risk appetites.
- Review technical designs against security requirements before designing and implementing controls compliant with industry best practices and Nucleus standards.
- Collaborate with technical and delivery teams to develop and execute remediation plans addressing vulnerabilities and control gaps.
- Communicate security risks clearly to stakeholders for informed decisions on managing risks (accepting, mitigating or remediating).
- Maintain security-related systems and integrations.
- Validate controls to ensure effectiveness and gather evidence to demonstrate security capabilities.
- Coordinate security controls across other Nucleus Group members to identify and manage exposures effectively.
- Assist in audit and due diligence activities to reinforce Nucleus’ secure reputation.
- Work with Security Operations and Analysis to maintain security standards and ensure effective risk management.
- Take full responsibility for delivering quality outcomes for customers and embody Nucleus’ Smart, Heart and Courage values.
- Uphold compliance with the Code of Conduct.
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You'll engage with cross-functional teams, ensuring new processes and controls are operationalised while maintaining evidence for risk management teams.
About You
Attributes
You are methodical, enthusiastic about breaking down complex systems to identify flaws, and enjoy implementing pragmatic solutions to prevent problems before they arise. Successful candidates thrive in fast-paced environments and:
- Proactively multi-task under tight deadlines.
- Possess a professional, solution-focused mindset and great initiative.
- Stay level-headed, adapt to changing priorities, and communicate constructively.
- Build influence through reasoning and technical expertise without heavy reliance on authority.
Technical Expertise
Ideal candidates exhibit depth in security technical skills and should demonstrate the following (though not necessarily all):
- Familiarity with frameworks such as CIS Critical Security Controls, NIST SP 800-53, and NCSC Cyber Assessment Framework, understanding their purpose and application within organisations.
- Ability to design and execute rigorous test plans with either internal teams or external providers.
- Strong ability to communicate security risks to both technical and non-technical audiences.
- Ideally, experience within regulated environments, particularly financial services.
- Experience applying IT, Infrastructure and Networking concepts to manage security.
- Hands-on experience in configuring and supporting security-related systems and integrations.
- Proficiency in managing security controls on cloud platforms like Microsoft Azure and AWS, addressing security posture or protection tools' findings.
- Judgement and ability to provide constructive, pragmatic security reviews.
- Skills to translate security risks into practical terms, supporting stakeholders to make impactful decisions while balancing security with operational needs.
- Independence, attention to detail, and dedication to delivering tasks to resolution.
- Strong prioritisation and agility amid competing demands, coupled with an ability to work independently.
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About Nucleus
Purpose and Culture
We're driven by the goal to transform financial services and create better outcomes for advisers and their clients. Our service-obsessed culture empowers individuals who take responsibility for meaningful work.
We believe in fostering a culture characterised by bravery, collaboration, and continuous innovation. We are commercially robust yet value work that drives tangible impact.
Benefits
- Generous pension scheme
- Competitive bonus structure
- Enhanced parental leave
- Paid time off for emergencies
- Comprehensive well-being support initiatives
- Flexible work options to accommodate diverse needs
Inclusion and Diversity at Nucleus
Inclusivity is core to our purpose. We embrace it, not as a checkbox but as a commercial enabler for future-readiness. All employees are encouraged to thrive within an environment where diversity of thought stimulates innovation and helps us earn gains. Consider how willing space and valuing inclusion influences alignment with firm goals.
We stand as a valued Stonewall champion and are committed to creating a diverse, welcoming work environment where everyone can excel.
Security Engineer • Information Security
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