26 to 50 of 139 Security Engineer Jobs in London

Security Systems Engineer Salary £35,000 - £45,000 + travel allowance Full-time onsite in Central London , working across some of the UK's most prestigious sites Security Clearances required Exposure to landmark projects, with training and career progression available Annual bonus, pension, and excellent benefits available ABOUT THE CLIENT: Our client is a specialist in delivering … advanced security and surveillance systems across the UK, supporting some of the most prestigious and high-profile sites in London. With a focus on continuous development and innovation, they are now seeking a motivated Security Systems Engineer to join their growing London team. This is a fantastic opportunity for someone with around 4 years of industry experience … allowance 5% annual bonus based on KPIs Matched pension scheme Exposure high profile/prestigious sites Career progression and ongoing training Work within a small, supportive team environment THE SECURITY SYSTEMS ENGINEER ROLE: You'll be installing, maintaining, and optimising CCTV and access control systems across a large, high-profile London sites. Every day brings new challenges, whether More ❯

Hedge Fund PERM GCP Cloud Security Engineer - GCP, AWS, Azure, Python, Bash, IAM, Terraform, Automation Cloud Security Engineer The successful candidate will be a subject matter expert with hands-on experience in a wide range of cloud technologies, tools and methodologies. The role is suited for an experienced Cloud Engineer with focus in Google Cloud … Platform, the candidate must have proven understanding in enterprise security and will focus on building toolsets and processes. Principal Responsibilities Contribute to the vision, strategy, and drive execution for integrated security controls across Software-as-a-Service (SaaS), Platform-as-a-Service (PaaS), Infrastructure-as-a-Service (IaaS) and for Google Cloud Platform (GCP) efforts. Able to demonstrate … clear understanding of current risks and threats to Cloud infrastructure and/or IT infrastructures at technical and managerial levels. Ability to conduct Red Team security testing tasks in GCP to continuously assess security posture in GCP platform Drive Identity and Access Management (IAM), configuration management, and monitoring strategy for GCP platform. Provide security consultancy and engineering More ❯

A Senior Network Security Engineer is required to join our Managed Service, responsible for Firewall Solution Design on our client's network infrastructure in the UK. Job Description As a Senior Network Security Engineer within the team you will be responsible for designing and documenting security solutions across multiple networks to ensure end to end … traffic flows as per client requirements. The Senior Network Security Engineer will be heavily focussed on client needs and on delivering tailored solutions across the client's estate. The Engineer should have at least 8 years experience in a Networking role with a strong focus on security. The scope of the primary task of this role is … to work alongside the client's Network Security Architect in developing security solutions. The main duties and responsibilities of the role will include: Troubleshooting Manage and troubleshoot issues that arise on the network and resolve issues reported by other IT groups. The candidate must be dynamic and be able to work under pressure to resolve incidents and outages More ❯

A Senior Network Security Engineer is required to join our Managed Service, responsible for Firewall Solution Design on our client's network infrastructure in the UK. Job Description As a Senior Network Security Engineer within the team you will be responsible for designing and documenting security solutions across multiple networks to ensure end to end … traffic flows as per client requirements. The Senior Network Security Engineer will be heavily focussed on client needs and on delivering tailored solutions across the client's estate. The Engineer should have at least 8 years experience in a Networking role with a strong focus on security. The scope of the primary task of this role is … to work alongside the client's Network Security Architect in developing security solutions. The main duties and responsibilities of the role will include: Troubleshooting Manage and troubleshoot issues that arise on the network and resolve issues reported by other IT groups. The candidate must be dynamic and be able to work under pressure to resolve incidents and outages More ❯

A Senior Network Security Engineer is required to join our Managed Service, responsible for Firewall Solution Design on our client's network infrastructure in the UK. Job Description As a Senior Network Security Engineer within the team you will be responsible for designing and documenting security solutions across multiple networks to ensure end to end … traffic flows as per client requirements. The Senior Network Security Engineer will be heavily focussed on client needs and on delivering tailored solutions across the client's estate. The Engineer should have at least 8 years experience in a Networking role with a strong focus on security. The scope of the primary task of this role is … to work alongside the client's Network Security Architect in developing security solutions. The main duties and responsibilities of the role will include: Troubleshooting Manage and troubleshoot issues that arise on the network and resolve issues reported by other IT groups. The candidate must be dynamic and be able to work under pressure to resolve incidents and outages More ❯

CYBER SECURITY ENGINEER | SECURITY OPERATIONS CENTER (SOC). Summer-Browning Associates is supporting our client in the Central Government who is seeking a Cyber Security Engineer for an initial 12-month assignment, with the possibility of extension. Location: London | Hybrid| Remote The ideal candidate will hold an active DV clearance and have a solid background … in Cyber Security working within a high-threat government environment, with the following skills and experience: Proficiency in Security Information and Event Management (SIEM), including tools such as Splunk, Defender, and Tenable Threat Modelling System solutions, as well as with IDS/IPS and vulnerability scanners. Experience in SOC operations, incident response, and forensic analysis. Ability to perform … triage of security events to determine their scope, priority, and impact, while making recommendations for efficient remediation. Experience in network security principles, firewalls, and access control mechanisms. Preferred Qualifications: - Industry certifications such as CompTIA Security+, CISSP, CISM, CEH, or GIAC are highly desirable. To apply, please submit your latest CV for review. More ❯

Job Role: Senior Security Engineer - CIAM Location: Hybrid - City of London Salary: £100,000 - £120,000 + Bonus Are you an experienced Security Engineer with a passion for safeguarding systems and driving innovation in identity and access management? Do you thrive in complex environments where you can solve critical security challenges and influence long-term … driven by excellence, collaboration, and the opportunity to make an impact on a global financial institution, this could be the perfect role for you. Join us as a Senior Security Engineer, where you'll help shape a market-leading digital platform and deliver secure, cutting-edge customer experiences. Ideal Candidate: Strong hands-on expertise with Hardware Security … AWS Secrets Manager, and certificate lifecycle management (rotation, revocation, automation) Experienced with GitLab CI/CD pipelines, AWS CLI, and automation tooling (Chef or similar) Proven background in Cloud Security, with deep knowledge of: - AWS security controls, policies, and automation - Role-based and attribute-based access controls - Cryptographic protocols and secure key lifecycle management - Securing microservices, APIs, and More ❯

Senior Fire & Security Engineer Location: London (Field-Based) Salary: Up to £47,000 + Overtime & Benefits A leading national fire & security provider is seeking an experienced Senior Fire & Security Service Engineer to join their service team in London. This role focuses on complex maintenance, diagnostics and customer support across major commercial contracts, with opportunities to … engineers Completing compliance reports and certification to NSI/BAFE standards Acting as a senior point of contact on key London sites Experience & Requirements Proven experience as a Fire & Security Service Engineer Strong knowledge of fire alarm panels (e.g. Advanced, Kentec, Gent, Morley) Experience with intruder systems (Galaxy, Texecom, Orisec etc.) CCTV/Access Control experience advantageous (not … standby/call-out rota 25 days holiday + bank holidays Pension scheme Uniform, PPE, tools & test equipment provided Ongoing manufacturer and advanced technical training Progression routes to Lead Engineer, Commissioning or Supervisor Employee recognition and referral schemes Why Join? This is a senior-level opportunity with a company investing heavily in engineering teams, training and long-term career More ❯

Security Engineer (M365/Azure/Sentinel - 12 Month FTC | £70,000 | Fully Remote | UK-Based Candidates with full Right to Work only A unique opportunity to shape security during a live merger . You'll join a lean team where your expertise directly drives compliance, stability, and scalability for future acquisitions. The role blends technical security engineering with change leadership : Build and harden M365 & Azure security (incl. Sentinel). Manage patching, malware protection, and vulnerabilities. Document and control security changes to avoid disruption. Coach and mentor an aspiring security engineer from the service desk. Support Cyber Essentials Plus certification and ongoing compliance. The business is preparing for future growth and eventual … ll be part of a strategically critical chapter, not just day-to-day BAU. Who we're looking for: You'll be someone with deep Microsoft 365 and Azure security experience, who thrives in complex environments, and who knows how to balance technical rigour with empathetic user support. M&A or compliance project experience is a bonus. Remote-first More ❯

This is where you come in. The Opportunity As IAG Loyalty evolves into a Platform as a Service business, we're looking for a talented and passionate Senior Application Security Engineer to join our security engineering team. You'll have a background in software engineering and a deep interest in application and API security. You thrive on … collaboration, enjoy helping others grow, and see security as an enabler - not a blocker. You'll be an AppSec advocate who supports our engineers in identifying and addressing security issues across the software development lifecycle. You'll be part of a small, dynamic team within the Product department that drives IAG Loyalty's digital transformation, technology strategy, and … required to work from one of our other office or partner locations, based on your role and 'to do' list. What you'll be doing As a Senior Application Security Engineer, you'll lead the application security practice within the IAG Loyalty security team, taking responsibility for key security KPIs in this area. You'll More ❯

The Role: We are looking for a Cloud Security Engineer with experience on AWS, to join our growing team. The successful candidate will have an essential role in ensuring the information security of our business. You will be working in a team that is designing and building resilient and secure Cloud environments that proactively prevent security threats. You will typically have industry accreditations like AWS Certified Security - Specialty The main responsibilities of the position include: Design and build resilient Cloud infrastructures that are protected against security threats Develop and assess Cloud security solutions to secure systems, databases and networks Conduct assessment and make recommendations to ensure that appropriate controls are in place … Gain insight into security incidents and threats by monitoring/analyzing logs and performing vulnerability assessments Participate in efforts that shape the company’s security policies, procedures and standards for use in Cloud environments Create technical and managerial level security reports for Cloud-based applications and infrastructure Implement and tests network and security Disaster Recovery procedures More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments, contributing … apply now or contact me directly if this role looks like a good fit. From there I’ll be in touch to discuss the opportunity in more detail. Network Security/Penetration Testing/CREST/CSTL/CTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments, contributing … apply now or contact me directly if this role looks like a good fit. From there I’ll be in touch to discuss the opportunity in more detail. Network Security/Penetration Testing/CREST/CSTL/CTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London More ❯

Security System Service Engineer (CCTV/Access Control) London £45,000 - £50,000 + Career Progression + In-Depth Training + Extensive Overtime + Monday to Friday + Fire System Training + Company Van + Paid Travel Are you a Security System Service Engineer or similar, from a Security System background, looking for a position … at a well-established IRS, Security, Access Control, and Fire protection company, currently winning countless contracts and experiencing a period of massive growth, and as a result looking to employ another member to their skillful and friendly Service and Maintenance team? Do you want to work in a role that gives exposure to a broad variety of Electrical services … a variety of state-of-the-art electronic systems. In this role you will be responsible for the Service and Maintenance of a wide and varied range of electronic Security Systems and Fire Protection Systems across both commercial and residential sites, including but not limited to CCTV systems, Access Control systems, Door Entry Systems, and Fire Protection Systems. This More ❯

Security Service Engineer £36,000 £40,000 (depending on experience) South East London Full Time Permanent 40 hours per week Do you have experience in servicing and maintaining door entry, access control and CCTV Systems? Attega Group is currently partnering exclusively with our client in recruiting a Security Engineer to join the Team. The main purpose … surveys and quotations Providing excellent customer service and communication at all times Participating in the London callout rota (1 in 4 weeks) The ideal candidate: Previous experience in the Security industry Strong fault-finding skills (essential) Knowledge of systems such as Entrotec, Paxton, Came, KMS, Bell, Label, Pac, Dahua, Hikvision, Axis (desirable) Ability to work independently and as part … of a team Good IT skills (Outlook, Excel, use of engineering apps preferred) Full UK driving licence For more information on our Security Service Engineer role, please contact Ant Fooks in the Attega Group offices today More ❯

Microsoft 365 E5 Security Engineer (Contract) Central London (onsite 3 days per week) 3-month contract Up to £425 per day (Outside IR35) Start: ASAP We’re looking for an experienced Microsoft 365 E5 Security Engineer to join our client in Central London on a part-time contract basis. You’ll play a key role in … deploying, tuning, and enforcing Microsoft 365 E5 security capabilities as part of a phased rollout programme. Key Responsibilities Provide onsite consultancy and hands-on support for Microsoft 365 E5 Security deployment. Configure and optimise security controls including RBAC guardrails, telemetry, and consent policies. Lead pilot testing and fine-tuning of security features with selected user cohorts. … Support enforcement of final security controls and handover documentation. Collaborate with internal IT and security teams to ensure smooth adoption and knowledge transfer. Experience Required Proven expertise in Microsoft 365 E5 Security , including Defender, Purview, Entra, and related toolsets. Strong understanding of RBAC, compliance, identity protection, and endpoint security within M365. Ability to work independently onsite More ❯

Job Title: Senior Application Security Engineer Salary: £70,000 Location: Reading/remote About the Organisation Join a fast-growing UK technology and consulting firm that's investing heavily in cutting-edge cyber security. With a strong focus on innovation, collaboration, and professional development, this company empowers its people to shape the future of secure digital transformation across … part of a business that values expertise, agility, and doing the right thing - where everyone has the opportunity to make a genuine impact. About the Role The Senior Application Security Engineer will play a key role in protecting the organisation's infrastructure, cloud platforms, and applications. Working within a highly technical and collaborative cyber team - supported by a …/7 external SOC - you'll research, test, and implement next-generation security solutions to safeguard data and systems. This role offers the chance to lead on application and cloud security initiatives, influence secure design standards, and mentor colleagues in best practices. Key Responsibilities Lead application and cloud security initiatives, ensuring systems and software are secure by More ❯

Lead Cyber Security Engineer We're partnered with a global law firm who are looking to build a next-generation Security Operations (SecOps) function. They are looking for a Lead Cyber Security Engineer to drive innovation, strengthen resilience, and champion a zero-trust approach across their global network. *Hybrid working- 3 days in London per … week* What You’ll Do Build the SecOps team from the ground up and manage/mentor the team. Lead the implementation, optimisation, and management of cutting-edge security tools like CrowdStrike, Palo Alto, and Mimecast. Take ownership of our cyber defence posture from incident response and vulnerability management to WAFs, DDoS protection, and encryption. Mentor junior engineers, elevate … best practices, and help us on our journey to ISO 27001 certification. What You Bring Deep hands-on expertise across EDR, SIEM, NAC, MFA, PAM, and cloud security environments. Proven experience with security frameworks such as ISO 27001, NIST, CIS, and PCI-DSS. Certifications like CISSP, CPSA, or Palo Alto Certified Security Operations Professional. A collaborative mindset More ❯

CYBER SECURITY ENGINEER Summer-Browning Associates is supporting our client in the Central Government who is seeking a Cyber Security Engineer for an initial 12-month assignment, with the possibility of extension. Location: London | Hybrid| Remote The ideal candidate will hold an active DV clearance and have a solid background in Cyber Security Engineering working … within a high-threat government environment, with the following skills and experience: Proficiency in Security Information and Event Management (SIEM), including tools such as Splunk, Defender, Sentinel, ELK, and Tenable Threat Modelling System solutions, as well as with IDS/IPS and vulnerability scanners. Experience in Protective Monitoring & SOC operation Experience in network security principles, firewalls, and access More ❯

Application Security Lead Entertainment UK Hybrid/Remote Job description This role works closely with development teams to verify our partners applications satisfy the defined security criteria, supporting the organization on the security design and conducting reviews of applications, while improving automation. Primary Responsibilities: Provide technical leadership and guidance on application security best practices, methodologies, and … technologies. The ideal candidate will serve as a trusted advisor to development teams, architects, and stakeholders across our clients organisation. Design and review security architectures for applications, ensuring the implementation of effective security controls and countermeasures. Conduct threat modelling exercises to identify potential security risks and vulnerabilities early in the development lifecycle. Conduct in-depth security assessments, code reviews, and penetration testing of applications to identify and mitigate security vulnerabilities. Utilise industry-standard tools and methodologies to assess the security posture of applications and provide actionable recommendations for remediation Essential At least three years experience in a similar senior Information Security position Customer-oriented person, with the ability to educate and influence More ❯

AI Security & Compliance Engineer City of London Hybrid (3/2 split) 6-months contract £705 per day (via Umbrella) cer Financial are working alongside an international bank who are based in the City of London. They are seeking an AI Security & Compliance Engineer to work with them on a contract. The responsibilities of an AI … Security & Compliance Engineer will include: Secure AI Engineering & Design Collaboration: Partner with engineering teams to embed security-by-design and privacy-by-design principles into AI agents, copilots, and automation workflows. Define and implement technical controls for: Data access and protection Model transparency and explainability Human oversight and fallback mechanisms Audit logging and traceability AI Risk & Compliance … assess new AI systems being introduced into the bank. Evaluate solutions for compliance with internal policies and external regulations. Provide technical input on risk mitigation strategies and onboarding documentation. Security & DevSecOps Integration: Integrate AI security controls into CI/CD pipelines and MLOps workflows. Use tools such as Azure Key Vault, Microsoft Entra ID, and GitHub Actions for More ❯

Security Engineer is required by a leading Quant Trading firm. This is an entry-level position and would suit a graduate with 1-3 years of commercial security experience who is looking for a move into a security engineering-focused role. The ideal candidate will have a degree in technology and/or a cybersecurity-related … subject and possess an eagerness to learn all aspects of security engineering. Extensive training and development will be provided. The package includes a highly competitive salary and an exceptional annual bonus. Duties: Manage incoming security requests and operational tickets, ensuring timely and effective resolution Execute day-to-day security tasks such as permission management, firewall rule updates … and access provisioning and deprovisioning Collaborate with internal teams to support identity and access management and ensure adherence to security policies Maintain and improve documentation for security operational procedures Identify and contribute to opportunities for automation and process optimisation Support continuous improvement of operational efficiency and control effectiveness Please note: this is predominantly an office-based role so More ❯

Security Engineer is required by a leading Quant Trading firm. This is an entry-level position and would suit a graduate with 1-3 years of commercial security experience who is looking for a move into a security engineering-focused role. The ideal candidate will have a degree in technology and/or a cybersecurity-related … subject and possess an eagerness to learn all aspects of security engineering. Extensive training and development will be provided. The package includes a highly competitive salary and an exceptional annual bonus. Duties: Manage incoming security requests and operational tickets, ensuring timely and effective resolution Execute day-to-day security tasks such as permission management, firewall rule updates … and access provisioning and deprovisioning Collaborate with internal teams to support identity and access management and ensure adherence to security policies Maintain and improve documentation for security operational procedures Identify and contribute to opportunities for automation and process optimisation Support continuous improvement of operational efficiency and control effectiveness Please note: this is predominantly an office-based role so More ❯

Security Engineer is required by a leading Quant Trading firm. This is an entry-level position and would suit a graduate with 1-3 years of commercial security experience who is looking for a move into a security engineering-focused role. The ideal candidate will have a degree in technology and/or a cybersecurity-related … subject and possess an eagerness to learn all aspects of security engineering. Extensive training and development will be provided. The package includes a highly competitive salary and an exceptional annual bonus. Duties: Manage incoming security requests and operational tickets, ensuring timely and effective resolution Execute day-to-day security tasks such as permission management, firewall rule updates … and access provisioning and deprovisioning Collaborate with internal teams to support identity and access management and ensure adherence to security policies Maintain and improve documentation for security operational procedures Identify and contribute to opportunities for automation and process optimisation Support continuous improvement of operational efficiency and control effectiveness Please note: this is predominantly an office-based role so More ❯

Security Engineer is required by a leading Quant Trading firm. This is an entry-level position and would suit a graduate with 1-3 years of commercial security experience who is looking for a move into a security engineering-focused role. The ideal candidate will have a degree in technology and/or a cybersecurity-related … subject and possess an eagerness to learn all aspects of security engineering. Extensive training and development will be provided. The package includes a highly competitive salary and an exceptional annual bonus. Duties: Manage incoming security requests and operational tickets, ensuring timely and effective resolution Execute day-to-day security tasks such as permission management, firewall rule updates … and access provisioning and deprovisioning Collaborate with internal teams to support identity and access management and ensure adherence to security policies Maintain and improve documentation for security operational procedures Identify and contribute to opportunities for automation and process optimisation Support continuous improvement of operational efficiency and control effectiveness Please note: this is predominantly an office-based role so More ❯