Security Engineer

Brunswick Group

OPPORTUNITY The Security Engineer will join Brunswick's Information Security team and play a key role in supporting the firm's secure adoption of AI and emerging technologies. This role will act as a dedicated security professional supporting requests and initiatives originating from the firm's AI team, providing security review, architecture input, and risk-based guidance across third-party AI tools, enterprise platforms, AI-enabled applications, and internally developed solutions. Working closely with the AI team, ICT, application owners, and business stakeholders, the Security Engineer will help ensure new technologies are protected through appropriate security controls and guardrails throughout the development and delivery lifecycle. ABOUT THE ROLE In this role, you will provide technical security expertise across AI-related requests, third-party AI tools, internally developed applications, workflows, enterprise features, and emerging agent-based use cases. Key responsibilities include: * Review and assess third-party AI tools, enterprise AI platforms, and new AI-enabled features, including solutions such as ChatGPT, Claude, Microsoft Copilot, and other emerging technologies. * Review and assess requests relating to AI-enabled solutions, enterprise AI platforms, new features, integrations, and internally developed applications. * Provide security architecture guidance for applications and solutions developed or introduced by the AI team. * Support the implementation of security guardrails, governance processes, and secure design patterns for AI adoption across the firm. * Conduct STRIDE-based threat modelling for new internally developed solutions, AI-enabled workflows, integrations, and automation use cases. * Assess risks associated with AI use cases, including data exposure, prompt injection, model misuse, third-party dependency risk, inappropriate access to sensitive information, and insecure integrations. * Advise on secure design principles, including identity and access management, data protection, logging, monitoring, encryption, resilience, and secure configuration. * Define and document security requirements, architecture decisions, design recommendations, and risk-based remediation actions. * Monitor emerging AI security risks, attacker techniques, and industry best practices, ensuring relevant mitigations are considered within Brunswick's environment. WHAT WE'RE LOOKING FOR We're looking for an experienced, technically capable security professional who can combine strong security engineering expertise with practical judgement and clear communication. The ideal candidate will demonstrate: * 5-7 years' experience in cyber security, information security, security engineering, or a related technical security role. * Proven experience providing security guidance across technology projects, enterprise platforms, AI-related initiatives, third-party tools, cloud-based solutions, or internally developed applications. * Strong understanding of security architecture and secure design principles, including identity and access management, data protection, logging, monitoring, encryption, network security, and resilience. * Familiarity with AI-related technologies, enterprise AI platforms, large language models, agentic AI, and the security risks associated with AI adoption. * Experience conducting STRIDE-based threat modelling, technical risk assessments, or security design reviews. * Practical understanding of cloud and enterprise environments, particularly Microsoft 365, Azure, SaaS platforms, and modern workplace technologies. * Ability to translate technical security risks into clear, business-focused recommendations. * Strong written and verbal communication skills, with confidence engaging technical and non-technical stakeholders. * Understanding of security risks associated with third-party AI tools, internally developed AI applications, integrations, automation, and agent-based use cases. * Sound judgement, attention to detail, and the ability to balance security requirements with business needs. * Experience working in an ISO27001-aligned or regulated environment would be beneficial. * Preferred, but not essential, certifications: * ISC2: CISSP, CCSP, SSCP * ISACA: CISM, CISA, CRISC * CompTIA: Security+, CySA+, CASP+ WHY JOIN US Whether you are joining a client facing team, a core services team, or starting out on your professional career journey, joining Brunswick unlocks a range of employee benefits to support your financial future, health and wellness, family and community and continuous professional development. ABOUT BRUNSWICK Brunswick is a global advisory firm. We help companies tackle high-stakes issues, navigate complex stakeholder relationships, and deliver high-impact outcomes.  Our clients value our ability to anticipate, shape, and respond to the key players and forces in the financial and investment arena, regulatory and geopolitical universe, NGO community, workforce and beyond. They rely on us for deep experience, fresh perspectives and original thinking. So, in Brunswick you will find an exceptional range of experience and talent with a rich mix of backgrounds. From the beginning, we have prioritized attracting, developing, and retaining the best professionals in the industry, united by a culture of inclusivity, excellence, and intellectual curiosity. Founded in 1987 in London, the firm has organically grown to 27 offices in 18 countries across the Americas, Europe, Middle East, Africa, Asia and Australia. We operate as a “one-firm firm” with no individual profit centers. This allows us to assemble fully integrated, bespoke teams for each client, able to draw on the full resources of Brunswick anywhere in the world.    Brunswick is an equal opportunity employer.  All qualified applicants will be considered without regard to race, religion, color, national origin, gender, sexual orientation, age, disability, pregnancy, genetic information, or any other status protected by applicable law. Please read our Global Privacy Notice to understand how your data is managed.

Granola

Hey! We're team Granola 👋 If you haven't already, you should check out what we're building, and why you should work here. In this role, you will be responsible for identifying and mitigating security vulnerabilities within Granola's applications, building security tools, and working closely with our development teams to integrate security throughout our software development lifecycle. You'll help establish a robust security culture as we unlock Granola for the next 100x users. IN THIS ROLE, YOU WILL: * Design and implement security features within the Granola app to protect user data and strengthen the product's security posture * Leverage AI-assisted tooling to conduct security assessments, code reviews, threat modeling and penetration testing to identify vulnerabilities in our applications * Work closely with development teams to ensure secure coding practices are integrated throughout the SDLC * Track, analyse, and manage application vulnerabilities, using AI-assisted triage and prioritisation to guide remediation efforts * Support incident response by investigating application-related security incidents * Stay current on the latest security threats, vulnerabilities, and technologies to enhance our security posture YOUR BACKGROUND LOOKS SOMETHING LIKE: * Extensive experience building production software, with hands-on exposure to security-sensitive work (auth, data handling, API design, encryption or similar) and a genuine interest in going deeper into application security * Comfortable with secure coding practices and at least one of: threat modelling, risk assessments, or incident response, with appetite to grow across the rest * Proficiency in programming languages such as TypeScript, Python, or similar * Experience with cloud and cloud security (we use AWS) * Strong communication skills with the ability to explain complex security issues to both technical and non-technical audiences AS A PERSON, YOU… * Are first and foremost a builder who thinks like an attacker * Are excited to work in-person from our office in London (most of the time) * Love working in a startup environment (you either have experience working in a startup or are really drawn to the zero-to-one phase) * Value working with people who are kind, ambitious, and pragmatic * Have a passion for protecting users and building secure systems * Thrive in a fast-paced environment where you can make a direct impact on product security ABOUT THE OPPORTUNITY We are living in the most exciting time for tool builders since Engelbart's demo in 1968. We want to assemble the best crew to build this future together, here in London. Our compensation philosophy is to pay slightly above market on salary and above market on equity. We do our best work in person, and so our team spends time together five days per week in our new, bright, and spacious office at Old Street. We are happy to offer relocation assistance to candidates who'll be moving to London to join us. Lastly, we think amazing talent comes from all kinds of life journeys and experiences. If what is written above speaks to you, whether you look like a fit on paper or not, please reach out.

Freetrade

ABOUT FREETRADE Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to reshape how our customers invest and grow their wealth. If you’re driven by solving complex problems and building innovative products, you’ll fit right in. 2026 is a big year for us. Last year, we announced a game changing deal to become part of the IG Group. We’ll continue to operate as an independent business while gaining access to the resources and support of an established leader in the space. This year, we’re accelerating our roadmap and taking our products to the next level. We’re building new features like mutual funds, bonds, and family investment tools. We’re also exploring how we can leverage AI to deliver an even better experience for our customers. At Freetrade, we're on a mission to make investing accessible to everyone. We operate in a highly regulated financial environment where security isn't just a function, it's a foundation. As we scale, we're looking for a sharp, motivated Security Intern to join our Security, Privacy and Infrastructure team for the summer and contribute to real, meaningful work from day one. About the Role This is a hands-on internship, not a shadowing exercise. Whether you're a student, a recent graduate, or making your first move into security, you'll be embedded in the security team, working on operational tasks and a dedicated project designed to directly improve security at Freetrade. Your time will be split roughly 50/50 between supporting ongoing security operations and owning a scoped project with a clear outcome. You'll be supported throughout, with a defined onboarding plan, pre-scoped tasks, daily check-ins with your manager, and weekly visibility with the Director of SPI. What You'll Work On * Remediation: Vulnerability triage and proof-of-concept testing, putting your offensive security and pentesting skills to practical use. * GRC: Supporting vendor security review processes, assessing third-party risk against our security standards. * Automation: Assisting with AI tool adoption assessments, helping evaluate new tools for security and privacy risk. What You Bring Technical skills: * Foundational knowledge of offensive security, pentesting, or bug bounty practices. * Comfortable writing scripts or code in any language, Python preferred. * Solid understanding of core security concepts and principles. * Any hands-on experience with vulnerability assessment tools or CTFs is a plus. Soft skills: * Open to feedback and acts on it quickly. * Fast learner who is comfortable with ambiguity and can ramp up independently. * Clear and concise communicator, written and verbal. * Reliable, organised, and takes ownership of their time and commitments. * Collaborative and comfortable working across teams. Programme Structure * Duration: 10 weeks * Onboarding: Weeks 1 to 2, structured ramp plan with a pre-defined task list so you hit the ground running. * Split: 50% operational security work, 50% dedicated project to improve security at Freetrade. Support and Management * Direct reporting line to the Security function lead. * Daily check-ins with your intern manager. * Weekly skip-level with the Director of SPI for feedback, alignment, and visibility. * All work will be well-scoped and documented before you start, no vague briefs. What's in it for You * Paid internship with real responsibilities from day one. * Work on live security challenges in a highly regulated fintech environment. * Learn from an experienced security team with deep expertise across offensive security, privacy, and infrastructure. * Build a portfolio of tangible, real-world security work to accelerate your career. * A genuine pathway to a full-time role as part of Freetrade's 2027 headcount plan for high performers. Please note, applicants must be 18 years of age or older at the time of application and legally eligible to work in the relevant location. We are an Equal Opportunity employer committed to a diverse and representative team. Whatever your race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability - we want to hear from you. To find out more about how we look after your personal data when you apply for a job with us, please see our Recruitment Privacy Policy here. Please note we are not accepting agency CVs.