19 of 19 Permanent Senior Security Engineer Jobs in Slough

Senior Application Security Engineer Hybrid From Any UK Hub (London, Swindon, Manchester, Glasgow, Belfast) Salary – Up to £100,000 Depending on experience + Discretionary Bonus + Additional Corporate Benefits Package The Client: A leading financial services firm requires a senior application security engineer! The … Role: As a Senior Application Security Engineer here, you'll sit within CTO, assisting a wide range of delivery teams in engineering secure solutions and protecting our member's money and data. As a senior security engineer, you will work cross-functionally to assess … risk and help deliver countermeasures that protect our member's data. You will work will engineering teams to create solutions that solve or remediate security problems. This will involve a range of activities, including (but not limited to) threat modelling, selection and configuration of DevSecOps tools, high-level and More ❯

Senior Product Security Engineer London/WFH to £160k Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior Product Security Engineer you'll drive automated security processes, influence architecture and lead strategic security projects. Collaborating with IT, cloud and engineering teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin/… Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews across different platforms, ensuring security is embedded at every stage of the development lifecycle and provide mentorship, guidance and training on security best practices More ❯

Americold – Helping our customers Feed the World Here at Americold Barcelona we are now recruiting for a Senior IT Security Engineer. The Senior IT Security Engineer will design, configure, optimize existing, and deploy new security systems/solutions aligned with global business risk/… objectives. This role is focused on technical operations and support of various information security tools including event/incident management (SIEM), cloud security, endpoint detection and response, email security, and vulnerability management. This position will be responsible for supporting the Director IT Security in reviewing and … evaluating new, alternative, and cost-effective information security solutions and services and partnering with compliance. Essential Functions: Partners with various teams, Infrastructure, End User Computing and the PMO to optimize existing security services and deploy new tools in support of the security roadmap. Must be capable of More ❯

Senior Security Engineer – £75,000 – Hybrid Overview I am currently recruiting for a Senior Security Engineer to join a global digital marketing and technology agency specialised in online gaming, where you’ll be instrumental in shaping and securing the organisation’s digital landscape. If … you thrive in a dynamic, high-performance environment, this role offers the opportunity to lead impactful security initiatives across a complex, fast-evolving business. Role and Responsibilities Lead design, implementation and monitoring of robust security controls Oversee security architecture and operational tools across on-prem and cloud … environments Manage incident response, threat investigation, and vulnerability mitigation Conduct risk assessments, audits, and third-party security reviews Collaborate with teams to prioritise remediation, security best practices, and awareness Provide expert technical guidance and detailed reporting on risks and improvement plans Essential Skills and Experience Strong communication and More ❯

Senior Offensive Security Engineer Salary: £90,000 - £110,000 per annum Location: UK - Remote You’ll be responsible for identifying and mitigating security vulnerabilities across software products through a combination of secure code review, penetration testing, security assessments, and the development of custom tooling. This … close collaboration with engineering teams to embed secure development practices throughout the software lifecycle – ensuring potential risks are addressed early in the development process. Senior Offensive Security Engineer – Responsibilities: Conduct deep technical offensive security assessments against complex, distributed systems to uncover critical vulnerabilities across cloud, web … party integrations. Build and maintain automation and tooling to scale offensive testing across products and teams. Operate as a subject matter expert in offensive security, supporting risk-based product design decisions and architecture reviews. Contribute to threat modelling, red teaming strategy, and secure development practices throughout the product lifecycle. More ❯

integrity are components of a work ethic taken very seriously since the company was founded in 1959. Tradition is currently seeking to appoint a Senior IT Security Engineer to be based in our London office. Main responsibilities within the Senior IT Security Engineer position … include: Support Information Security risk management, compliance activities, and governance initiatives. Collaborate with stakeholders to identify, document, and mitigate security risks through effective controls. Work with key software and service vendors to manage security products and solutions. Lead and support security incident response, including investigation, containment … and remediation. Deploy, manage, and continuously improve security tools, including vulnerability management, identity management, and attack surface monitoring. Analyse emerging threats and vulnerabilities, leveraging threat intelligence to proactively mitigate risks Perform proactive threat hunting, research, and analysis, delivering actionable intelligence to IT and security teams Perform security More ❯

Senior Cloud & Apps Security Engineer - £80,000 - £110,000 + Bonus + Benefits London/Remote AWS, Azure, Kubernetes, Service Mesh, API gateways, and API security, Python, JavaScript, GoLang, Terraform, CloudFormation (AWS), and Azure Resource Manager (ARM) templates. Are you passionate about cloud security and … eager to engineer robust security solutions within AWS and Azure environments? We are seeking Senior Cloud & Application Security Engineers to help our client define and implement its cloud security strategy. If you're an experienced Security Engineering professional excited to work with cutting-edge … technology and collaborate with diverse teams, we want to hear from you! Key Skills: Strong understanding of cloud and application security concepts, including secure coding practices, threat modeling, vulnerability management, and access control mechanisms. Experience with AWS, Azure, Kubernetes, Service Mesh, API gateways, and API security (authentication and More ❯

Senior Cyber Security Engineer – Contract Location: London (Hybrid) Employment Type: 6-Month Contract Rate: £450/day IR35 Status: Outside IR35 We’re looking for a highly experienced Senior Cyber Security Engineer to join a leading consultancy on a contract basis. This is an … exciting opportunity to work on critical, high-impact projects for enterprise clients, contributing your expertise in security architecture, risk management, and incident response. Key Responsibilities: Lead security assessments and provide expert guidance on risk mitigation Design and implement robust security controls across systems and networks Support incident … and infrastructure teams on secure design and delivery Advise clients on best practices aligned with industry standards and frameworks Requirements: Proven experience in cyber security engineering, ideally within consultancy or client-facing roles Strong knowledge of cloud security (AWS, Azure), network security, and SIEM tools Familiarity with More ❯

Senior Product Security Engineer Location: London Salary: £200,000+ A leading global quantitative investment firm is seeking a Senior Product Security Engineer to strengthen the security of its trading systems, cloud infrastructure, and business applications. This is a hands-on, high-impact role … working across a modern tech stack in a fast-paced environment. Key Responsibilities Implement and maintain security controls across low-latency systems and multi-cloud platforms (AWS, Azure, Alibaba Cloud) Collaborate with engineering teams to integrate secure coding practices into the SDLC Conduct threat modeling, vulnerability assessments, and code … reviews Automate security processes through CI/CD integration using SAST, DAST, and related tools Assess third-party vendors and enforce security standards Mentor teams on security architecture and best practices What We’re Looking For Experience in product or application security roles Strong development background More ❯

Senior IT Security Engineer - Remote (Global) - Competitive Salary + Token Package Plexus has partnered with a well-funded, innovative startup (backed by nearly $100M ) that's redefining security for Proof-of-Stake blockchains and pioneering Bitcoin staking solutions. They're seeking a talented Senior IT … Security Engineer to play a key role in building the next generation of blockchain security. Responsibilities: Administer cloud infrastructure (AWS, GCP, Azure), Google Workspace, SSO, and SaaS apps. Evaluate, integrate, and manage security tools (e.g., SIEM, endpoint protection). Oversee IT/security vendors and ensure … compliance. Support security incident response and investigations. Requirements: IT admin experience, ideally in a startup with a global remote team. Hands-on with MDM, Google Workspace, SSO, and cloud SaaS, focused on security and global access. Good understanding of blockchain security risks. Proficient in scripting (Python, Bash More ❯

Senior Network Security Engineer Leading global manufacturing company is looking for a Senior Network Security Engineer to join their growing Network Security Engineering team. The successful candidate will design and implement network security solutions connecting on-premises and public cloud environments, with … very technical role and will play a key part in securing the network infrastructure. London 5 DAYS A WEEK. Responsibilities: Design and deploy network security solutions across cloud and on-premises environments. routing and switching protocols network performance. Analyze operational needs and develop innovative solutions to strengthen network security. … Required: Hands-on experience within enterprise network security solutions. Advanced knowledge of routing and switching protocols. Deep understanding of firewalls. More ❯

Senior Product Security Engineer Compensation: Up to £250k TC Location: London WFH: 4 days in office, 1 from home I'm currently working with one of the most successful and modern Quant Trading firms in London. Being a top 5 performer across various markets and boasting yearly … competitors. Their modern and innovative approach means no legacy work to deal with and state of the art tech. They're looking for a Senior Product Security Engineer to develop and implement security controls across all of their trading infrastructure and cloud services. This a widely … with various engineering and product teams on greenfield initiatives to secure large scale, low latency systems and cloud platforms. Requirements 6+ years in product security Strong object orientated programming experience across languages such as Python, C++, Java, Go or Rust Extensive cloud experience Knowledge of threat modelling and risk More ❯

Senior Cyber Security Engineer London – Hybrid working 3 days per week in the office £80,000 - £125,000 + benefits Fantastic new permanent opportunity for an experienced Cyber Security Engineer with this leading player within the financial services sector. You will be joining a leading … a market-leading digital offering with customer experience at its heart. You will work with the wider engineering team and be instrumental in ensuring security is embedded into the design and development process. This is an exciting and key role, partnering with business aligned engineering and product teams, to … ensure a collaborative team culture is at the heart of what they do. Main responsibilities: Provision of subject matter expertise on security systems and engineering patterns. Development and implementation of protocols, algorithms, and software applications to protect sensitive data and systems. Management and protection of secrets, ensuring that they More ❯

Senior IT Security Engineer - Zero Trust Permanent Salary 60 - 85K plus bonus and benefits On-site - Central London We are an established, global, financial services trading company looking to grow the infrastructure and security of our trading systems. We are working towards ISO27001, NIST and a … zero trust architecture. You will be based in the UK and required onsite at least 4 days per week. Reporting to the Head of Security/Operations. You will be responsible for all aspects of security from managing the SOC through to setting up PIM/PAM etc … zero trust architecture. This position offers a really exciting opportunity for someone with a strong technical background who is looking to take on a Senior and develop the security systems whilst still being very hands on. Experience required Familiar with NIST, ISO 27001, ITIL Azure - 5 years experience More ❯

the core infrastructure that enables institutions to navigate and thrive in the crypto economy. As they continue to scale, the firm is seeking a Senior Product Security Engineer to help shape and secure the backbone of their platform. This is a high-impact role for someone who … blends deep development expertise with strong security instincts-someone who can partner across engineering, product, and infrastructure teams to embed security into everything they build. Responsibilities: Lead secure architecture and design reviews for critical products and digital finance infrastructure Conduct threat modeling, risk assessments, and security controls … reviews across trading, custody, and DeFi platforms Build and implement security test plans and pipelines using modern tools (SAST, DAST, SCA, IaC scanning) Drive secure coding standards and perform hands-on code reviews for high-assurance systems Design and operationalize core security features: authentication, authorization, TLS, PKI, and More ❯

Network Security Engineer – Peterborough (Hybrid) - £75,000 - £100,000 + Bonus + Benefits We’re looking for a skilled Network Engineer to join our clients dynamic team. In this role, you’ll design, implement, and maintain critical networking infrastructure while driving automation and efficiency. Key Responsibilities: Oversee … the design, implementation, and maintenance of Cisco ACI infrastructure. Develop automation solutions for network tasks using Python, Ansible, and Terraform. Engineer and support enterprise-grade network systems, including Cisco routers, Nexus data centre switches, and wireless LAN controllers. Configure and manage Palo Alto firewalls, ensuring adherence to robust security … call support. What You Bring: Extensive experience with Cisco networking, including routers, switches, and wireless infrastructure. Deep understanding of Palo Alto firewalls, Panorama, and security tools such as Cisco ISE. Hands-on knowledge of F5 Big-IP, routing protocols (BGP, OSPF), and network monitoring with SolarWinds. Strong familiarity with More ❯

About the Role Keysight is looking to hire a senior security software engineer to develop automated program analysis and fuzz testing capabilities for our security assessment products. The successful candidate will be key in designing and implementing novel and scalable tools for automated software composition analysis … solutions to enable automated software composition analysis and identification of vulnerabilities Developing and maintaining software composition analysis tools Performing research in embedded device firmware security and compose articles and papers for publication Required Skills: Master’s degree in computer science, Mathematics, or Cyber Security OR equivalent practical experience More ❯

Y Combinator, the most successful startup program in the world which produced companies such as AirBnb, Dropbox, and Ginkgo Bioworks. The Role As a Senior Software Engineer focused on Platform & Security, you'll take a leading role in evolving and maturing our security and compliance posture … do Build and maintain secure, scalable infrastructure for our distributed system, which spans cloud services and on-premise hardware Represent Mytos to customers' executive, security, and quality teams, effectively communicating our approach to security, compliance and risk management Own Mytos' information security program (e.g., SOC 2, ISO … rather than bolting it on afterward Streamline our deployment processes enabling both rapid development and stable validated environments for manufacturing customers Implement and improve security practices, including code scanning, access controls, and audit logging, ensuring compliance with industry standards Build core product features like electronic signatures, audit logging, and More ❯

to see. This job is with the software supply chain company - securing and powering how software gets delivered everywhere. What you'll do: Embed security across the platform, from source to prod. Architect security controls across distributed, cloud-native systems. Lead threat modeling and security reviews (and … get people to enjoy them) Pen-test services and infra (ethically, please). Extend security automation and monitoring with tools like CircleCI, GitHub Actions, DataDog, AWS Security Hub, etc. Harden everything from container runtimes to APIs to artifact pipelines. Write secure code, review other people’s code, and … in software development. At your core, you’re a software engineer. Python for sure and a bit of TypeScript never hurt anyone. Deep application security knowledge Hands-on experience with SAST, DAST, RASP, and securing cloud (preferably AWS). Strong grasp of container security, API security, IaC More ❯