Senior Engineer I at Menlo Security | UK

At Menlo Security, we are dedicated to empowering secure connections, communication, and collaboration across the globe. Our mission has become increasingly vital in the wake of COVID-19, as we serve a diverse clientele that includes Fortune 500 companies, 9 out of the 10 largest global banks, and the Department of Defense.As we evolve from 400 employees, we…

Menlo Security helps organizations around the world connect, communicate, and collaborate securely. The company supports a wide range of clients, including Fortune 500 firms, nine of the ten largest global banks, and the Department of Defense. The shift in work patterns since COVID-19 has only increased the importance of Menlo’s mission. Menlo Security is entering a new phase of growth, expanding beyond its current team of 400. The company values empathy, adaptability, and a commitment to results. Team members are expected to work ethically, stay organized, focus on service, and contribute to a culture that values both giving and receiving feedback. Menlo is backed by investors such as Vista Equity Partners, General Catalyst, JPMC, American Express, HSBC, and Ericsson Ventures. Role Overview The Senior Engineer I - Web Isolation (UK Region) will join the UK-based Web Isolation team. This group builds and maintains Menlo’s remote browser technology, which protects millions of users worldwide through the company’s cloud platform. The work spans desktop and mobile, with a focus on security at every layer. Key technical areas include: Chromium internals Networking Video and audio integration Advanced HTML5 (such as WebGL and WebRTC) Containerization Load balancing and scalability The team values strong design, thorough code reviews, and a collaborative approach. Engineers with deep systems-level experience outside of browsers are encouraged to apply if they are ready for new technical challenges. For more about the kind of work involved, see the Menlo blog: Mobile Isolation Era Begins. What You Bring Extensive understanding of browser technology Hands-on experience with Chromium internals Background in networking, video, and audio technologies Familiarity with advanced HTML5 features (WebGL, WebRTC) Proficient C++ programming skills Ability to use modern AI tools in development workflows Knowledge of Python, Rust, and JavaScript is a strong plus Location Role based in the UK region (EMEA).

At Menlo Security, we are dedicated to empowering secure connections, communications, and collaborations worldwide. Our mission has become increasingly vital in the current landscape shaped by COVID-19. We proudly serve a diverse clientele, including Fortune 500 companies, 9 out of the 10 largest global banks, and the Department of Defense.As we transition from a team of 400 towards our next growth phase, we seek passionate individuals who exhibit empathy and adaptability. The ideal candidate will possess a strong ethical foundation, exceptional organizational skills, and a commitment to service. A willingness to both give and receive constructive feedback is essential.Backed by industry-leading investors such as Vista Equity Partners, General Catalyst, JPMC, American Express, HSBC, and Ericsson Ventures, Menlo is poised for significant growth.Position Overview:The Senior Security Engineer will play a crucial role in safeguarding our organization’s digital assets, infrastructure, and data. Responsibilities include designing, implementing, and maintaining security systems and controls, managing security tools, conducting risk assessments, responding to incidents, and ensuring compliance with relevant security standards. This position involves close collaboration with various teams within Menlo to promote security best practices across all technological initiatives, thereby enhancing our security posture and resilience.Key Responsibilities:Security Operations & Monitoring:Oversee the SIEM platform and manage security alerts to identify, investigate, and respond to potential threats.Administer and optimize EDR solutions, specifically Crowdstrike, to ensure comprehensive endpoint protection.Lead incident response efforts, including investigation, containment, remediation, and post-incident analysis.Vulnerability & Risk Management:Oversee the vulnerability management program, including scanning, prioritization, and coordination of remediation efforts.Conduct risk assessments and formulate strategies for risk mitigation.

AJ Bell seeks a Senior Information Security Engineer to strengthen the protection of company information systems and support compliance initiatives. The position is offered as a hybrid role, with the option to work from either the Manchester or London office and some flexibility for remote work. Key responsibilities Identify and assess security vulnerabilities within company systems Implement and maintain security controls to protect data and infrastructure Collaborate with teams across the business to promote effective security practices Assist in maintaining compliance with relevant regulations and internal policies Location This role is based in Manchester or London with a hybrid work arrangement, allowing for both office presence and remote work.

About UsAt Heidi, we believe that healthcare deserves a more harmonious approach—one that ensures care remains continuous and deeply human. We are pioneering an AI Care Partner designed to work alongside clinicians, making this vision a reality.Our diverse team comprises doctors, engineers, designers, researchers, and creatives dedicated to developing innovative tools that empower clinicians to prioritize what truly matters: their patients.In just 18 months, Heidi has helped healthcare professionals reclaim over 18 million hours, facilitating 73 million patient visits across 116 countries. Currently, Heidi supports more than two million patient visits globally each week.With nearly $100 million in backing, we are expanding our footprint in the US, UK, Canada, and Europe, collaborating with prominent health systems including the NHS, Beth Israel Lahey Health, and Monash Health.Your RoleAs the Regional Marketing Lead for UK&I, you will spearhead the implementation of our marketing strategy tailored for the region, effectively translating global positioning into credible, localized initiatives that drive commercial success. This role is integral to daily marketing operations, closely collaborating with sales and regional leadership to create impactful campaigns, maintain a consistent brand presence, and execute strategic events and partnerships.Partnering with the Regional Marketing Director, you will balance strategic planning with hands-on execution, ensuring every initiative is data-driven and aligned with the dynamics of the UK&I healthcare landscape, all while reinforcing Heidi's reputation as a trusted ally to clinicians and their supporting systems.Key ResponsibilitiesRegional Execution and DeliveryImplement the UKI marketing strategy as directed by the Regional Marketing Director.Adapt global messaging for credible, locally-relevant execution.Serve as the daily marketing lead for UKI, collaborating closely with sales and regional stakeholders.Work closely with the Regional Marketing Director to establish priorities, scheduling, and resource allocation.Demand Generation and Pipeline SupportCollaborate with sales to enhance qualified pipeline and revenue growth.Implement regional campaigns through both inbound and outbound channels.Assist in lead qualification, nurturing, and transitioning to sales.

Role overview Ramboll Group is hiring a Director of Highways Market for the Transport UK&I division, based in London. This senior leader shapes growth and sales strategy across the highways sector, with a focus on strengthening market presence and supporting sustainable development goals. What you will do Develop and implement strategies to expand Ramboll’s position in the highways market Lead sales efforts and identify new business opportunities within the sector Guide and motivate a team focused on delivering high-quality, innovative projects Ensure client needs are met while maintaining the company’s standards for integrity and quality Champion initiatives that support Ramboll’s commitment to sustainability About the team Work with a group dedicated to advancing project delivery and fostering innovation in the UK and Ireland’s transport infrastructure. Collaboration and a shared commitment to excellence are at the heart of this team’s approach.

Role Overview hilberts seeks a GTM Market Launcher for the UK & Ireland based in London. This role focuses on shaping and executing strategies for entering new markets and supporting growth across the region. What You Will Do Work with teams across the company to spot opportunities in the UK & Ireland markets. Develop go-to-market plans tailored to local needs. Put marketing campaigns into action to support market entry and growth goals.

Abound is changing how consumer lending works in the UK and beyond. By combining advanced AI with Open Banking data, the company looks at a person’s complete financial situation, not just a credit score, to make lending decisions that are fairer and more accurate. Since launch, Abound has issued over £1.3bn in loans, with a credit performance that outpaces industry averages. The company became profitable within 2.5 years and has backing from major investors, including Citi and Deutsche Bank. With over £2bn in funding, Abound is recognized as one of Europe’s fastest-growing fintechs. Role overview This Senior Security Engineer position is based in London and sits within the Platform team. The role blends DevSecOps responsibilities, serving as a bridge between product engineering and Corporate IT. As a hands-on contributor, the Senior Security Engineer critically reviews security architecture across both production and internal IT environments. During the first 6 to 12 months, the focus will be on designing and implementing next-generation cloud security architecture in AWS and GCP. The role also involves building and maturing internal SOC capabilities, particularly around detection and response. What you will do Manage Microsoft Sentinel to strengthen SIEM/SOAR capabilities Automate RBAC for identity and access management across AWS, Microsoft Entra, and internal systems Embed security controls into GitLab CI/CD pipelines, including scanning, infrastructure-as-code reviews, and automated policy enforcement Support a shift-left approach by integrating security throughout the software development lifecycle Technology stack Cloud & Compute: AWS, ECS Fargate, Aurora, Lambda, GCP Data Lake: S3, DMS, Glue Security & Identity: Microsoft Defender (XDR), Microsoft Sentinel (SIEM/SOAR), Defender for Cloud (CSPM), Microsoft 365, Entra, Intune Cloud Security Tooling: GuardDuty, Security Hub, Inspector, Security Command Center Code & Infrastructure: Terraform, GitLab CI/CD

Role overview Xero Limited is seeking a Senior Engineer to join its UK Regional Team, based in London at 7 Devonshire Square. This position focuses on shaping features for the UK market, connecting technical work directly to customer needs and business outcomes. Senior Engineers at Xero handle complex challenges that span multiple products, balancing regional requirements alongside global strategy. Team structure and collaboration The team includes an Engineering Manager, Lead Engineers, and Engineers, all reporting to the General Manager of Engineering for the UK. Collaboration is a core part of the role. Senior Engineers work closely with product owners and peers across Xero, designing, building, and delivering solutions that have real impact. Projects and technical scope Current projects span the full Xero platform, including Payments, Accounting, and Payroll. This role provides exposure to a broad range of products and technical domains within Xero’s suite. Work environment Xero holds a Great Place to Work UK accreditation. Flexible work arrangements are available: choose remote, hybrid, or office-based work in London, Milton Keynes, or Manchester. Offices are designed to support collaboration and connection. Some travel may be needed to coordinate with global teams and support international partnerships. Requirements Curiosity and drive to solve customer problems, delivering clear business value across technical areas Adaptability in learning new domains and navigating unfamiliar codebases Ability to work with stakeholders and build consensus across distributed teams Commitment to high-quality engineering practices, producing scalable and maintainable code Comfort in high-visibility situations, using strong communication to engage stakeholders and broaden influence Experience with modern programming languages and frameworks, along with a solid understanding of software engineering fundamentals

Join Assystem as a Senior EC&I Engineer, where you will play a critical role in delivering innovative engineering solutions within the energy sector. You will be responsible for designing, implementing, and managing electrical, control, and instrumentation systems that contribute to the efficiency and safety of power generation projects.Your expertise will facilitate the integration of cutting-edge technology, ensuring compliance with industry standards while fostering a collaborative environment. This is an excellent opportunity for professionals looking to advance their careers in a dynamic and supportive workplace.

Why Join Deliveroo?At Deliveroo, our mission is to revolutionize how people shop and dine by seamlessly connecting consumers, restaurants, shops, and delivery riders. We strive to make food and product accessibility more convenient and enjoyable, empowering individuals to purchase what they want, when and where they desire.As a forward-thinking, technology-driven organization, we are leading the charge in one of the fastest-growing industries globally. Our small team is making a significant impact as we tackle some of the most fascinating challenges. We prioritize speed, autonomy, and innovative ideas, continuously seeking fresh perspectives.About the RoleIn the role of Senior Security Engineer, you will spearhead the development and implementation of security measures that safeguard our internal networks, workforce identities, endpoints, and corporate systems. Collaborating with security teams across the US, EU, and APAC, you will aim to minimize risk and enhance our security controls.Operating with significant independence, you will define the technical strategy, make architectural decisions, and oversee the execution of complex security projects from start to finish. Your focus will be on balancing risk mitigation with user experience, ensuring that security measures are effective without hindering employee productivity.This position emphasizes Identity and Access Management (IAM), Endpoint Security (EDR), Network Security, logging and detection engineering, and secure SaaS enablement. You will collaborate closely with IT, Legal, Privacy, Engineering, and business stakeholders to ensure that security is integrated as a fundamental practice across the organization.Our security protocols are aligned with recognized frameworks such as the CIS Critical Security Controls and the NIST Cybersecurity Framework (CSF).

Join Checkatrade as a Senior Security Engineer and play a pivotal role in safeguarding our systems and data. In this position, you will be responsible for designing and implementing robust security measures, monitoring potential threats, and ensuring compliance with industry standards. We seek a proactive individual who thrives in a fast-paced environment and is dedicated to continuous improvement.

Application Deadline: We are actively conducting interviews and aim to fill this position promptly as soon as we find the right candidate.THE OPPORTUNITYApollo Research is searching for a Senior Security Engineer to take full ownership of security protocols and practices within our organization. As the first dedicated security hire, you will play a crucial role in maintaining the trust of our innovative AI lab partners and supporting our research mission. This position is embedded within the engineering team and reports directly to the CEO.YOUR RESPONSIBILITIES WILL INCLUDE- Establishing and leading Apollo's security program. You will create and manage the security roadmap, perform risk assessments, and adapt the program as the organization evolves, defining the security posture in relation to our size, threat model, and partner relationships.- Fostering trust with our AI lab partners. You will be the primary contact for security teams of our partners, building relationships with their CISOs, and ensuring our security practices are documented and meet the necessary standards for our partnerships.- Setting security strategies for engineering. You will define security principles and an AppSec strategy that the engineering team will adopt, creating efficient pathways for secure development.- Defining the use of AI tools and integrations at Apollo. You will determine approved tools, data handling procedures, and vetting processes for new technologies, ensuring a balance between security and the need for cutting-edge research tools.- Managing our security tooling stack and automating operations. You will select, implement, and oversee security controls such as EDR/MDR, endpoint management, email protection, and identity management, while automating processes wherever feasible.- Leading compliance and certification efforts. You will spearhead certification initiatives (ISO 27001, SOC 2) as required, integrating compliance into our security practices.- Managing IT administration across the organization. You will oversee Google Workspace and other IT resources.

At Kroo Bank, we are pioneering the future of banking through innovative technology and exceptional digital services. As the fintech sector rapidly evolves, our bank is committed to adapting our roles and responsibilities to seize new business opportunities and meet emerging challenges. We prioritize updating our job descriptions to maintain our leadership in banking innovation.Your Contributions and Key Responsibilities:In the role of Senior Security Engineer, you will play a crucial role in the design and implementation of security measures for our mobile applications, services, and websites, ensuring adherence to the highest security standards. Your expertise will be pivotal in continually assessing and enhancing our security systems, ensuring our products and services are secure by design and compliant with both internal and external regulatory requirements. Key responsibilities include:Security Analysis and Improvement: Continuously evaluate our security systems for potential enhancements, ensuring our defenses lead in cybersecurity practices.Vulnerability Management: Proactively identify, assess, and resolve security vulnerabilities to uphold the integrity and confidentiality of customer data.Security Automation: Streamline security processes and procedures to boost efficiency and effectiveness, minimizing the risk of human error.Security Requirements and Solutions: Define and document system security requirements, offering well-considered recommendations to management.Development of Security Standards: Create and maintain best practices and security standards within the organization, guiding teams in secure coding practices.Secure Design: Collaborate with development teams to ensure robust security measures are integrated into the design of web and mobile front-ends, along with microservice architectures.Cloud Security and Secure Infrastructure: Assist teams in identifying and addressing gaps in infrastructure security, aligning with industry security posture standards.Cybersecurity Collaboration: Work closely with stakeholders across the organization to ensure security measures align with our overarching cybersecurity strategy and protect the bank’s technology infrastructure.Regulatory Compliance: Support teams in meeting compliance requirements for internal audits and external regulators to mitigate potential fines and reputational damage.

Position: Security EngineerLocation: London, Bristol, or Edinburgh (Hybrid options available)Salary Range: £63,000 - £93,000Team: Security Engineering TeamReporting To: Security Engineering ManagerThis role requires existing right to work in the UK. Please note that we currently do not offer visa sponsorship for this position.Kaluza is at the forefront of the energy transition, transforming energy complexity into seamless coordination. Our mission is to assist energy companies in navigating today’s challenges while accelerating the shift towards a cleaner, electrified future.Our platform enables millions of real-time decisions across homes, devices, markets, and grids. By merging predictive algorithms with human-centered design, Kaluza ensures that clean energy is dependable, affordable, and adaptable to everyday life.With teams strategically located across Europe, North America, Asia, and Australia, and a joint venture with Mitsubishi Corporation in Japan, we empower leading organizations including OVO, AGL, and ENGIE, alongside innovators like Volvo and Volkswagen.Your Role:Implement security platforms and tools to proactively prevent, accurately detect, and efficiently respond to emerging security threats.Collaborate with Platform Engineering and IAM teams to integrate Zero Trust architecture and enforce robust privileged access management (PAM) controls.Support Kaluza’s product teams in delivering secure systems rapidly while promoting a culture of collaboration and security best practices.

Join Samsara as a Senior Security Engineer on our Vulnerability Team, where you'll play a pivotal role in enhancing our security posture. In this position, you will be responsible for identifying vulnerabilities within our systems and implementing effective solutions to mitigate risks. Collaborate with cross-functional teams to ensure the security of our products and infrastructure, and contribute to our mission of bringing transparency and safety to the IoT space.

Location: London Start date: Immediate The Role: We are seeking exceptionally skilled and motivated software engineers who take pride in their craft to enhance our Engineering team based in London. As a successful candidate, you will collaborate within a cross-functional team that includes product managers and designers, working closely with the wider business to deliver effective code that addresses real-world challenges for both internal and external clients. You will take charge of the services overseen by your team, ensuring their development aligns with the overarching AlphaSights Engineering strategy, while also mentoring junior engineers. If you are passionate about problem-solving through coding and aspire to work alongside outstanding colleagues in a high-achievement environment, this position is ideal for you. What You’ll Do: Design Solutions: Define optimal technical solutions to business problems, contributing to a scalable architectural vision that aims to become the world's leading research platform. Ship Working Code: Our primary tech stack consists of React for the frontend and Kotlin microservices with Postgres for the backend, alongside some legacy services built in Ruby on Rails. We continually assess new technologies that could enhance our stack. Deploy and Iterate: We release updates frequently to our customers, utilizing CircleCI and Spinnaker for CI/CD, gathering feedback promptly to inform subsequent iterations. Build Your Competency: You will rapidly advance your skills by developing market-leading technology alongside experienced colleagues in a high-performance environment. Engineers can also utilize our L&D budget to accelerate their development of specific technical competencies. Maintenance and Troubleshooting: Diligently monitor our services to catch errors proactively, diagnose root causes, and deploy fixes before users are affected. Who You Are: You likely hold a degree in a STEM subject, but we are also open to candidates who have honed their skills through alternative pathways. Experience: Proven experience at a similar level within a mature Engineering team, with aspirations to elevate your career. We seek individuals with outstanding potential. Technical Expertise: Extensive knowledge in frontend engineering, including designing, building, and maintaining robust web applications.

Role Overview Ramboll is hiring a Director of Growth & Sales for the Transport division, with a focus on the Water Market in the UK and Ireland. This senior position shapes strategy and steers efforts to grow Ramboll’s presence across water management and infrastructure projects. What You Will Do Lead initiatives that expand Ramboll’s reach in the UK and Ireland water sector Develop and strengthen relationships with clients across the industry Drive growth by identifying new opportunities and supporting key pursuits Promote and deliver solutions for water infrastructure and management challenges Location This role is based in London.

Role overview Nexthink is hiring a Senior Corporate Security Engineer in London. This position focuses on protecting information systems and sensitive data by designing, implementing, and managing security controls throughout the corporate environment. What you will do Lead the creation and rollout of security measures for corporate systems Oversee the ongoing management of security protocols to keep data safe Work with teams across the company to identify and assess security risks Support compliance with relevant industry standards Collaboration This role works closely with cross-functional groups, making sure security stays a shared priority and that risk assessments are both thorough and actionable.

Join our dynamic team at AECOM as a Senior Electrical Engineer specializing in Substation Design. This is a fantastic opportunity to work on challenging projects across the UK, leveraging your expertise in electrical engineering to develop innovative solutions. You will collaborate with multidisciplinary teams to ensure the successful delivery of substation design projects, contributing to the advancement of sustainable energy solutions.