1 to 25 of 34 Permanent Senior Security Engineer Jobs in the Thames Valley

Social network you want to login/join with: Senior Cyber Security Engineer – Contract Location: London (Hybrid) Employment Type: 6-Month Contract 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 response and threat detection activities Collaborate with DevOps 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 NIST, ISO 27001, CIS Controls, and other security frameworks Excellent communication skills and the ability to manage senior stakeholders More ❯

Social network you want to login/join with: 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 interacting effectively with various internal teams, peers, and management staff. Support the information security manager with creating information security More ❯

Social network you want to login/join with: As a Senior Cyber Security Engineer , you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across Thames Water’s IT and OT environments. You will be responsible for supporting cyber security platform administration, enhancing … our security posture, and ensuring that new capabilities are securely deployed in alignment with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction. This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. The ideal candidate will have strong communication skills, a solid grasp … of IT and OT systems, and a passion for continuous improvement in cybersecurity operations. What you’ll be doing as a Senior Cyber Security Engineer Support the creation of secure asset builds and system hardening capabilities across end-user computing and server environments. Collaborate with business stakeholders to align cybersecurity engineering strategies and controls with organisational goals. More ❯

As a Senior Cyber Security Engineer , you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across IT and OT environments. You will be responsible for supporting cyber security platform administration, enhancing our security posture, and ensuring that new capabilities are securely deployed … in alignment with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction. This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. The ideal candidate will have strong communication skills, a solid grasp of IT and OT systems, and a passion for continuous improvement in … cybersecurity operations. What you'll be doing as a Senior Cyber Security Engineer Support the creation of secure asset builds and system hardening capabilities across end-user computing and server environments. Collaborate with business stakeholders to align cybersecurity engineering strategies and controls with organisational goals. Develop and maintain cybersecurity engineering documentation, policies, and procedures. Implement and manage More ❯

As a Senior Cyber Security Engineer , you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across IT and OT environments. You will be responsible for supporting cyber security platform administration, enhancing our security posture, and ensuring that new capabilities are securely deployed … in alignment with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction. This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. The ideal candidate will have strong communication skills, a solid grasp of IT and OT systems, and a passion for continuous improvement in … cybersecurity operations. What you'll be doing as a Senior Cyber Security Engineer Support the creation of secure asset builds and system hardening capabilities across end-user computing and server environments. Collaborate with business stakeholders to align cybersecurity engineering strategies and controls with organisational goals. Develop and maintain cybersecurity engineering documentation, policies, and procedures. Implement and manage More ❯

Senior Security Incident Response Engineer About Team: If you are considering a new role and want to work in a company that is helping to change the world, consider joining an organisation serving the global scientific research community, supporting the brightest minds on the planet. Elsevier is expanding its Global InfoSec Security Incident Response team and … is looking for an Incident Response Engineer to join its ranks in the UK. About Role: As a Senior Security Incident Response Engineer, you will be a key internal security support team member, assisting in incident response investigations. You will have experience in analysing, triaging, scoping, containing, providing remediation guidance, and determining the root cause … of security incidents. You are familiar with collecting and analysing security incident-related data to identify indicators of attack and compromise. You will be responsible for managing and responding to security incidents, ensuring the protection of our data and systems. You will work closely with cross-functional teams to identify, analyse, and mitigate security threats. Key More ❯

The Role Embed security best practices within the SDLC, collaborating with developers to ensure secure coding. Conduct security assessments, identify potential threats, and mitigate risks in web and mobile applications. Perform application security testing (SAST, DAST) and manual security code reviews. Implement and manage security tools such as SAST, DAST, SCA, and CI/CD … security integrations. Investigate security incidents, prioritise remediation and guide teams on secure development practices. Ensure applications meet industry standards (OWASP Top 10, NIST, ISO 27001) and regulatory requirements (GDPR, PCI-DSS, etc.) Educate engineers and stakeholders on security threats, vulnerabilities and secure coding practices. Skills 5+ years of experience in application security, penetration testing, or software … security engineering. Strong knowledge of secure coding principles in one or more languages (e.g., Python, Java, JavaScript, Go, .NET). Hands-on experience with SAST, DAST, SCA and security automation in CI/CD pipelines. Familiarity with cloud security (AWS, Azure, GCP) and container security (Docker, Kubernetes). Knowledge of OWASP Top 10, CWE, CVSS, MITRE More ❯

nationally. What does that mean for you? The opportunity to make internet connections (and daily life) a whole lot better, for a lot of people! Joining us as a Senior Network Engineer - Security You'll be joining a forward-thinking Network Engineering team at the heart of our mission to build and secure the UK's most … advanced full-fibre network. This role is key to delivering robust, scalable security solutions that protect our infrastructure and support our rapid growth. You'll work on cutting-edge technologies, contribute to strategic security initiatives, and help shape the future of secure connectivity. You'll receive a salary of up to £80,000, a performance related bonus, and … wellbeing. This is some of what you can expect to be doing: Designing and delivering secure network solutions across our national fibre infrastructure Leading the implementation of Active Network Security tooling and frameworks Acting as a senior escalation point for complex network security incidents Enhancing risk and vulnerability management processes Collaborating with architecture and operations teams to More ❯

nationally. What does that mean for you? The opportunity to make internet connections (and daily life) a whole lot better, for a lot of people! Joining us as a Senior Network Engineer - Security You’ll be joining a forward-thinking Network Engineering team at the heart of our mission to build and secure the UK’s most … advanced full-fibre network. This role is key to delivering robust, scalable security solutions that protect our infrastructure and support our rapid growth. You’ll work on cutting-edge technologies, contribute to strategic security initiatives, and help shape the future of secure connectivity. You’ll receive a salary ofup to £80,000,a performance related bonus, and a … wellbeing. This is some of what you can expect to be doing: Designing and delivering secure network solutions across our national fibre infrastructure Leading the implementation of Active Network Security tooling and frameworks Acting as a senior escalation point for complex network security incidents Enhancing risk and vulnerability management processes Collaborating with architecture and operations teams to More ❯

Social network you want to login/join with: 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 cross-team collaboration abilities Expertise in security operations, architecture, and engineering Deep technical knowledge of vulnerabilities, exploits, IDS/IPS 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 cross-team collaboration abilities Expertise in security operations, architecture, and engineering Deep technical knowledge of vulnerabilities, exploits, IDS/IPS, DLP, and firewalls Experience with cloud and hybrid security More ❯

A medium-sized law firm is seeking a Senior Security Engineer to join its Infrastructure team, with a focus on designing and implementing secure, scalable technologies that protect the firm’s systems and data. This role will work closely with the Security & Risk team to ensure all infrastructure solutions are aligned with established security best … including firewalls, VPNs, and zero trust models—across endpoints, data centres, and cloud environments, as well as implementing secure configurations for Azure IaaS, PKI systems, and segmented networks. The engineer will also play a key role in automating security operations, and scripting skills are required. Candidates should bring hands-on experience in security engineering and a strong … understanding of both traditional and cloud-native security technologies. A background in network architecture, particularly with tools like Palo Alto firewalls, Cisco Meraki and micro segmentation platforms, is essential. Knowledge of PowerShell, Python, or similar scripting languages is highly desirable, along with the ability to think analytically and communicate effectively across teams. Relevant security and cloud certifications such More ❯

Senior Cyber Security Engineer - DevSecOps **please note, this role will require relocation to Malaga, Spain** Salary: £80,000-£110,000 Location: Malaga - full relocation packages and assistance are available Hybrid: 2/3 days a week work from home About the Role We are looking for senior cybersecurity engineers to join a growing cybersecurity team based … based in Malaga and this position is hybrid working where you have the option to work from home 2 days a week. Experience with Vulnerability Management, AWS/AWS Security, Networking and DevOps principles are all highly desired. What We’re Looking For Experience with AWS security Experience with Linux Identifying, prioritising and and managing vunerabilities Integrating CI …/CD security pipelines Scripting experience (Python/Bash) Containerised environments What’s next? If this sounds like it could be worth a conversation, and you have experience with some of the above then apply today and we’ll aim to be in touch shorty. More ❯

Social network you want to login/join with: Senior Security Engineer - Hedge Fund - up to £185,000 + bonus, slough col-narrow-left Client: Hunter Bond Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Job title : Senior Security Engineer Client : World-Leading Hedge Fund Salary : Up to £185,000 (negotiable DOE) + bonus + exceptional benefits Location : London An award-winning Hedge Fund in London is looking for a talented and passionate Senior Security Engineer to join their world-class team. This is the perfect opportunity work in one of the … most talented security teams in the world, whilst taking ownership over highly exciting and mission-critical, greenfield security projects at one of the most successful names in the world of FinTech. You will work with next-gen tech and collaborate with some of the brightest minds in the industry. Desired Experience (full job spec available): Strong experience working More ❯

Job title : Senior Security Engineer Client : World-Leading Hedge Fund Salary : Up to £185,000 (negotiable DOE) + bonus + exceptional benefits Location : London An award-winning Hedge Fund in London is looking for a talented and passionate Senior Security Engineer to join their world-class team. This is the perfect opportunity work in … one of the most talented security teams in the world, whilst taking ownership over highly exciting and mission-critical, greenfield security projects at one of the most successful names in the world of FinTech. You will work with next-gen tech and collaborate with some of the brightest minds in the industry. Desired Experience (full job spec available … Strong experience working in technical security roles Experience in vulnerability assessment, penetration testing, and vulnerability management processes, etc. Familiarity with security incident response procedures. Excellent communication skills and the ability to collaborate with cross-functional teams. Experience with Python scripting Solid experience in GRC Relevant certifications (e.g., CISSP, CISA, CEH) are preferred. Benefits of working there Work amongst More ❯

Role Overview Seeking an experienced Senior Network Engineer with deep expertise in multi-vendor networking and security solutions. Required Skills and Experience Proven expertise in F5 LTM, including load balancing concepts, iRules development, and VIP configuration. Strong background with Fortinet security solutions, especially FortiGate firewall and FortiManager configuration and policy deployment. Hands-on experience with Juniper More ❯

Social network you want to login/join with: Senior Security Solutions Engineer (based in Scotland), slough col-narrow-left Client: Altasu Recruitment Group Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: ? Senior Security Solutions Engineer … Scotland (Hybrid) ( role may require relocation) ? Salary up to £90,000 + Bonus + Excellent Benefits A leading technology firm specialising in secure transaction systems is looking for a Senior Security Solutions Engineer to drive innovation in physical security and fraud prevention technologies. This is a key technical role within a highly collaborative team working on … products that protect high-value assets in sensitive environments. Key Responsibilities Design and implement robust hardware-based security systems Lead development of fraud prevention technologies using encryption and physical protection methods Carry out system risk assessments and identify potential vulnerabilities Monitor emerging threats and contribute to future-proof security strategies Support integration of security measures into product More ❯

Social network you want to login/join with: Senior Cloud Security Engineer, high wycombe col-narrow-left Client: Lawrence Harvey Location: high wycombe, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Cloud Security Engineer Salary … up to £100,000 + bonus + benefits Location: UK – Remote This company is undergoing a major cloud transformation and is looking for a Senior Cloud Security Engineer to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to design scalable, secure cloud infrastructure and embed best practices from day one. You … ll be joining at a pivotal time as the company invests heavily (multiple hires!) in scaling its cloud security capabilities. This role is ideal for someone who thrives on solving complex security challenges, enjoys cross-team collaboration, and wants to influence how secure, scalable systems are built in a fast-moving, AWS native environment. Responsibilities: Apply software development More ❯

Social network you want to login/join with: Senior Cloud Security Engineer, oxford district col-narrow-left Client: Lawrence Harvey Location: oxford district, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Cloud Security Engineer Salary … up to £100,000 + bonus + benefits Location: UK – Remote This company is undergoing a major cloud transformation and is looking for a Senior Cloud Security Engineer to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to design scalable, secure cloud infrastructure and embed best practices from day one. You … ll be joining at a pivotal time as the company invests heavily (multiple hires!) in scaling its cloud security capabilities. This role is ideal for someone who thrives on solving complex security challenges, enjoys cross-team collaboration, and wants to influence how secure, scalable systems are built in a fast-moving, AWS native environment. Responsibilities: Apply software development More ❯

Senior Network Engineer – AWS Cloud and On-Prem London offices + Hybrid working options Salary up to £80k+ Benefits Our client’s software products include AI and Automation software used globally by a range of external customers. The Senior Network Engineer will play a key role in the implementation and support of their on-prem and … cloud-based network infrastructure with a focus on security, reliability, and scalability. The Senior Network Engineer will support these global customers at a senior level so previous experience in a similar role is essential, but the company offer excellent training and career path opportunities. The role would support their AWS infrastructure, but those without cloud experience More ❯

narrow-left Client: Lawrence Harvey Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Cloud Security Engineer Salary: up to £100,000 + bonus + benefits Location: UK – Remote This company is undergoing a major cloud transformation and is looking for … a Senior Cloud Security Engineer to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to design scalable, secure cloud infrastructure and embed best practices from day one. You’ll be joining at a pivotal time as the company invests heavily (multiple hires!) in scaling its cloud security capabilities. This role … is ideal for someone who thrives on solving complex security challenges, enjoys cross-team collaboration, and wants to influence how secure, scalable systems are built in a fast-moving, AWS native environment. Responsibilities: Apply software development and security engineering expertise to design secure, scalable cloud solutions. Develop and maintain security baselines for cloud infrastructure (primarily AWS), including More ❯

login/join with: Salary: up to £100,000 + bonus + benefits Location: UK – Remote This company is undergoing a major cloud transformation and is looking for a Senior Cloud Security Engineer to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to design scalable, secure cloud infrastructure and embed best … practices from day one. You’ll be joining at a pivotal time as the company invests heavily (multiple hires!) in scaling its cloud security capabilities. This role is ideal for someone who thrives on solving complex security challenges, enjoys cross-team collaboration, and wants to influence how secure, scalable systems are built in a fast-moving, AWS native … environment. Responsibilities: Apply software development and security engineering expertise to design secure, scalable cloud solutions. Develop and maintain security baselines for cloud infrastructure (primarily AWS), including automation for configuration scanning and remediation. Act as a subject matter expert on cloud security within engineering, providing guidance during design reviews and threat modelling sessions. Harden Kubernetes environments and enforce More ❯

login/join with: Salary: up to £100,000 + bonus + benefits Location: UK – Remote This company is undergoing a major cloud transformation and is looking for a Senior Cloud Security Engineer to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to design scalable, secure cloud infrastructure and embed best … practices from day one. You’ll be joining at a pivotal time as the company invests heavily (multiple hires!) in scaling its cloud security capabilities. This role is ideal for someone who thrives on solving complex security challenges, enjoys cross-team collaboration, and wants to influence how secure, scalable systems are built in a fast-moving, AWS native … environment. Responsibilities: Apply software development and security engineering expertise to design secure, scalable cloud solutions. Develop and maintain security baselines for cloud infrastructure (primarily AWS), including automation for configuration scanning and remediation. Act as a subject matter expert on cloud security within engineering, providing guidance during design reviews and threat modelling sessions. Harden Kubernetes environments and enforce More ❯

Social network you want to login/join with: Senior Network Security Engineer, slough col-narrow-left Client: Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Opticore IT is a specialist Network Engineer and Project Management consultancy … opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. Opticore IT are currently searching for a Senior Network Security Engineer to support our client, in a critical migration project from a cloud-based proxy solution (Netskope) to an on-premise proxy infrastructure with deep … technical expertise in proxy technologies, a solid security mindset, and familiarity with automation practices to come and join the team. You'll join our excellent team, based in the London area on an initial 6-month contract, inside IR35, with scope to extend . Requiring 2 days a week in our client's HQ in the Tottenham Court Road More ❯

Senior Software Engineer (Java) – Greenfield Cyber Security SaaS Solutions Permanent ¦¦ Onsite ¦¦ London £85,000 - £100,000 DOE TechHeads is proud to partner with a global cybersecurity leader on a high-impact opportunity for a Senior Software Engineer. This permanent role based onsite in central London (5 days a week), offers the chance to work shoulder-to … shoulder with a world-class team on complex, secure SaaS systems powering global enterprises. As a Senior Backend Engineer, you’ll play a key role in designing and building greenfield backend services using Java and Spring Boot , with a strong emphasis on DevOps, automation, and performance at scale. You'll help shape technical direction , lead by example in … Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/GCP/Azure). Strong grasp of software security principles, system performance optimisation, and infrastructure reliability. Experience working on large-scale, production-grade systems with distributed architectures. Nice to Have: Exposure to tools like Elasticsearch/Kibana, Hadoop More ❯