252 Security Testing jobs in London

Senior Information Security Analyst - Penetration Testing

EC2N 1AN London, London £70000 Annually WhatJobs

Posted 18 days ago

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Job Description

full-time
Our client, a prominent financial services institution based in the heart of London, England, UK , is seeking a highly skilled Senior Information Security Analyst specializing in Penetration Testing. This critical role is responsible for identifying and mitigating security vulnerabilities across the organization's extensive IT infrastructure. You will conduct comprehensive penetration tests, vulnerability assessments, and security audits to ensure the robustness of our client's systems and data. The ideal candidate will possess deep technical knowledge of network security, application security, and common exploitation techniques. Responsibilities include planning and executing simulated attacks, analyzing results, and providing actionable recommendations for remediation. You will collaborate closely with IT operations, development teams, and other security professionals to implement necessary security controls and improvements. The role requires meticulous documentation of findings, reporting to management, and staying abreast of the latest threats and security best practices. A strong understanding of industry standards such as OWASP, NIST, and ISO 27001 is essential. You will be involved in developing security policies and procedures, as well as contributing to security awareness training programs. This is a hands-on role requiring a proactive mindset, excellent analytical abilities, and the capacity to work under pressure in a fast-paced environment. The ability to communicate complex technical issues to both technical and non-technical audiences is paramount.

Key Responsibilities:
  • Plan, execute, and report on penetration tests against web applications, networks, and cloud environments.
  • Conduct vulnerability assessments and identify security weaknesses across the IT infrastructure.
  • Perform in-depth analysis of security incidents and provide root cause analysis.
  • Develop and implement robust security controls and countermeasures.
  • Collaborate with development and operations teams to remediate identified vulnerabilities.
  • Create detailed technical reports for security findings and recommendations.
  • Stay current with emerging security threats, vulnerabilities, and technologies.
  • Contribute to the development and refinement of security policies and procedures.
  • Participate in security architecture reviews and provide expert guidance.
  • Assist in incident response activities as needed.
Required Qualifications:
  • Bachelor's degree in Computer Science, Cybersecurity, or a related field; relevant certifications (e.g., OSCP, CISSP, CEH) are highly desirable.
  • Minimum of 5 years of experience in information security, with a strong focus on penetration testing.
  • In-depth knowledge of network protocols, operating systems, and security principles.
  • Proficiency with penetration testing tools (e.g., Metasploit, Burp Suite, Nmap).
  • Experience with scripting languages (e.g., Python, Bash) for automation.
  • Familiarity with cloud security concepts (AWS, Azure, GCP).
  • Excellent analytical, problem-solving, and decision-making skills.
  • Strong written and verbal communication abilities, with the capacity to explain technical concepts clearly.
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Security Engineer

Kew, London £450 - £550 Daily VIQU IT

Posted 8 days ago

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Job Description

contract

Security Engineer – 3 Month Contract – Hybrid – London - Proofpoint

My client, a global business, is looking for an experienced Security Engineerto provide SME level expertise to an email security project - migrating Mimecast to Proofpoint.

The successful candidate must have expert level, hands-on experience using Proofpoint, including the setup of policies, general configuration and knowledge transfer.

The project has come about to align the customers global email security posture and so is a key project within the businesses road map.

Key Responsibilities of the Security Engineer:

  • Assist with Proofpoint policy configuration setup for multiple regions across Europe.
  • Provide ongoing hands-on support within a migration from Mimecast to Proofpoint.
  • Supporting the setup of TAP Isolation, Account Takeover Protection and Encryption.
  • Monitoring Proofpoint logs and contributing to the IP reputation building efforts
  • Participation in working sessions with end users to strengthen the company’s security posture.
  • Support DMARC domain enrolment and validation within Proofpoint

Skills and Technology used by the Security Engineer:

  • Must have Proven experience with Proofpoint, configuration and enhancements.
  • A strong background within email security.
  • Strong troubleshooting and attention to detail.

The successful Security Engineer will be working 2 days a week onsite in London.

Apply now to speak with VIQU IT in confidence. Or reach out to Matt Farrell via the VIQU IT website.

Do you know someone great? We’ll thank you with up to £1,000 if your referral is successful (terms apply).

For more exciting roles and opportunities like this, please follow us on LinkedIn @VIQU IT Recruitment.

This advertiser has chosen not to accept applicants from your region.

Security Engineer

London, London Experis

Posted 14 days ago

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Job Description

contract

Security Engineer
6 months
Remote
Inside IR35 - Umbrella only

Key Responsibilities
Build and implement Technical Solutions:

  • Assist Solution Architects with initial testing and POC of Cyber Security solutions.
  • Implement infrastructure, networking and integration components as per the approved design.
  • Collaborate with the Solution Architects to ensure all build related work is complete, documented and ready for testing.
  • Plan the deployment phase along with the Architects and Project Managers as per defined timelines.

Post Deployment Support:

  • Draft test plans along with Test managers and Architects for assigned projects.
  • Help with fixing any bugs identified during testing or pilot phase.
  • Review any incidents created in the projects service now queue and involve the appropriate teams to help fix them.

Stakeholder Engagement:

  • Ability to forge strong relationship with change management, project management team members.
  • Work with end users to fix any bugs post deployment of solutions.

Essential Experience

  • Proven experience working as security engineer on large scale programmes in the Cyber Security Portfolio largely on Identity based security, Data classification and Cyber Security Resilience.
  • Implementation knowledge of Microsoft Entra ID features like application integration, provisioning, MFA, SSPR and Conditional Access policies.
  • Prior experience deploying Data classification using Microsoft Purview for a large enterprise.
  • Experience collaborating with the Security Operations Centre (SOC) to optimise security monitoring, response planning and execution.
  • Understanding of vulnerability management and threat landscape detection and remediation.
  • Proven experience in being part of Disaster Recovery and Business continuity testing for critical applications.
  • Ability to perform basic Active directory administration tasks for project work such as user, group and Group policy updates.

Essential Technical Skills & Qualifications

  • Experience of the M365 security stack : Microsoft Purview, Microsoft Entra ID, Device management using Intune, Identity Governance.
  • Cloud Security (Tenable, CyberArk, MDR,VPN)
  • Knowledge of best practices and procedures related to Cyber Essentials, UK DPA/GDPR

Desirable Experience

  • Proficiency in configuring, managing, and troubleshooting Checkpoint Firewalls and security policies
  • Ability to troubleshoot network related failures during deployments and identify root cause.

If you are interested, please apply at first instance!

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Security Engineer

London, London £36000 - £40000 Annually Attega Group Ltd

Posted 14 days ago

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Job Description

permanent

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 of this role is to carry out Planned preventative maintenance (PPM) on door entry, access control and CCTV systems.

This is a full-time, permanent role. The hours of work will be Monday to Friday 08.00am to 16:30pm

Your responsibilities will include:

  • Planned preventative maintenance (PPM) on door entry, access control and CCTV systems
  • Attending and resolving reactive fault calls
  • Small works installations
  • Supporting the team with site 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!

 

This advertiser has chosen not to accept applicants from your region.

Security Engineer

Greater London, London £35000 - £43000 Annually Alphatech Resources

Posted 14 days ago

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Job Description

permanent

Fire and Security Engineers wanted

Our client are an established & very successful Fire and Security company based in Central and South London due to a number of contracts recently won they are looking for x2 Fire and Security engineers to join there team

  • Personal Specification
    li>The basic salary is £35,000- £3,000 per year < i>OTE - 0,000- 3,000 Per year  You will have a minimum of 5-8 years’ experience within Fire and Security < i>Driving Liscense 

Role & Responsibilities:

    li>Completing Service projects of Fire and Security projects
  • Ensure all work is performed accurately & efficiently.
  • Completing detailed work reports sent to the relevant department
  • To work to ensure health and safety regulations are met.
This advertiser has chosen not to accept applicants from your region.

Security Engineer

Greater London, London £35000 - £45000 Annually Alphatech Resources

Posted 14 days ago

Job Viewed

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Job Description

permanent

Security Engineers wanted in West London

Our client are an established & very successful Fire and Security company based in West London, due to a number of contracts recently won they are looking for Fire and Security engineers based in the London area.

Role & Responsibilities:

  • Completing Service projects of Security projects
  • li>Ensure all work is performed accurately & efficiently.
  • Completing detailed work reports sent to the relevant department
  • To work to ensure health and safety regulations are met.
     
  • li>Personal Specification
  • You will have experience of working within the Fire and Security sector.
  • You will have a minimum of 5-8 years’ experience
  • < i>You will have a positive and well driven work ethic
  • Salary basic of £35,000-£45,000
  • < i>Please do give me a call on (phone number removed) or (phone number removed)
This advertiser has chosen not to accept applicants from your region.

Security Engineer

London, London Sainsbury's

Posted today

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Job Description

Security Engineer - C4 Level Location: Flexible / Hybrid Team: Information Security Brand: Sainsbury'sAre you a network-savvy security engineer ready to shape the future of retail security? At Sainsbury's, we're not just a 150-year-old retail chain-we're a tech-forward organisation on a transformative journey. Security is at the heart of our innovation, enabling teams to build boldly while protecting what matters most. We're looking for a Security Engineer with a strong foundation in network security, cloud technologies, and PKI infrastructure to join our vibrant team.What You'll Do Network & Cloud Security Engineering • Design and implement secure network architectures across hybrid environments. • Engineer VPN solutions and secure remote access technologies. • Deploy and manage cloud-native security controls (Azure, AWS, GCP). • Integrate cloud security posture management (CSPM) and workload protection platforms.PKI & Certificate Management • Manage internal PKI infrastructure and certificate lifecycle. • Implement certificate-based authentication for secure access. • Collaborate on identity and access management (IAM) strategies.Email & Web Security • Configure and maintain email security gateways (Proofpoint, Mimecast). • Engineer web proxy and CASB solutions (e.g., Netskope) to enforce secure browsing policies.Cross-Team Collaboration • Partner with Security Operations Centre, Analysts, and Product Managers. • Translate business needs into secure technical solutions. • Validate security requirements across Agile delivery pipelines.Documentation & Risk Management • Document security processes and technical configurations. • Identify and mitigate risks across network and cloud environments. • Ensure compliance with architectural and design standards.Essential Criteria: • Strong hands-on experience with network security technologies: firewalls, IDS/IPS, VPNs, SD-WAN, and encryption. • Deep understanding of cloud security principles and architectures. • Proficiency in PKI, certificate management, and cryptographic protocols. • Familiarity with email and web security tools like Proofpoint, Mimecast, and Netskope. Additional criteria: • Agile mindset with the ability to deliver in fast-paced environments. • Passion for learning and staying ahead of emerging security trends.What You'll Get in Return • Colleague discount across Sainsbury's, Argos, and Habitat. • Competitive holiday allowance and bonus scheme. • Pension plan and exclusive retail offers. • Flexible working options to support work-life balance.Join Us Be part of a team where your skills in network and cloud security will make a real impact. Help us build a secure future for millions of customers while growing your career in a dynamic, inclusive environment.We are committed to being a truly inclusive retailer so you'll be welcomed whoever you are and wherever you work. Around here, there's always the chance to try something new - whether that's as part of an evolving team or somewhere else across the business - and we take development seriously and promise to support you. We also recognise and celebrate colleagues when they go the extra mile and, where possible, offer flexible working. When you join our team, we'll also offer you an amazing range of benefits. Here are some of them:Starting off with colleague discount, you'll be able to save 10% on your shopping online and instore at Sainsbury's, Argos, TU and Habitat, and we regularly increase the discount to 15% at points during the year. We've also got you covered for your future with our pensions scheme and life cover. You'll also be able to share in our success as you may be eligible for a performance-related bonus of up to 10% of salary, depending on how we perform.Your wellbeing is important to us too. You'll receive an annual holiday allowance and you can buy up to an additional week's holiday. We also offer other benefits that will help your money go further such as season ticket loans, cycle to work scheme, health cash plans, salary advance (where you can access some of your pay before pay day) as well access to a great range of discounts from hundreds of other retailers. And if you ever need it there is also an employee assistance programme.Moments that matter are as important to us as they are to you which is why we give up to 26 weeks' pay for maternity or adoption leave and up to 4 weeks' pay for paternity leave.Please see for a range of our benefits (note, length of service and eligibility criteria may apply).
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Security Engineer

London, London Sainsbury's

Posted 1 day ago

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Job Description

Wed all like amazing work to do, and real work-life balance. Thats waiting for you at Sainsburys. Think about the scale it takes for us to feed the nation. The level of data, transactions and variety it involves. Then youll realise that ours is a modern software engineering environment because it has to be. Weve made serious investment into a Tech Academy and into setting standards and principles. We iterate, learn, experiment and push ways of working such as Agile, Scrum and XP. So you can look forward to awesome opportunities in everything from AI to reusable tech.
Security Engineer C4 Level
Location: Flexible / Hybrid
Team: Information Security
Brand: SainsburysAre you a network-savvy security engineer ready to shape the future of retail security?
At Sainsburys, were not just a 150-year-old retail chainwere a tech-forward organisation on a transformative journey. Security is at the heart of our innovation, enabling teams to build boldly while protecting what matters most. Were looking for a Security Engineer with a strong foundation in network security, cloud technologies, and PKI infrastructure to join our vibrant team.What Youll Do Network & Cloud Security Engineering
Design and implement secure network architectures across hybrid environments.
Engineer VPN solutions and secure remote access technologies.
Deploy and manage cloud-native security controls (Azure, AWS, GCP).
Integrate cloud security posture management (CSPM) and workload protection platforms.PKI & Certificate Management
Manage internal PKI infrastructure and certificate lifecycle.
Implement certificate-based authentication for secure access.
Collaborate on identity and access management (IAM) strategies.Email & Web Security
Configure and maintain email security gateways (Proofpoint, Mimecast).
Engineer web proxy and CASB solutions (e.g., Netskope) to enforce secure browsing policies.Cross-Team Collaboration
Partner with Security Operations Centre, Analysts, and Product Managers.
Translate business needs into secure technical solutions.
Validate security requirements across Agile delivery pipelines.Documentation & Risk Management
Document security processes and technical configurations.
Identify and mitigate risks across network and cloud environments.
Ensure compliance with architectural and design standards.Essential Criteria:
Strong hands-on experience with network security technologies: firewalls, IDS/IPS, VPNs, SD-WAN, and encryption.
Deep understanding of cloud security principles and architectures.
Proficiency in PKI, certificate management, and cryptographic protocols.
Familiarity with email and web security tools like Proofpoint, Mimecast, and Netskope.
Additional criteria:
Agile mindset with the ability to deliver in fast-paced environments.
Passion for learning and staying ahead of emerging security trends.What Youll Get in Return
Colleague discount across Sainsburys, Argos, and Habitat.
Competitive holiday allowance and bonus scheme.
Pension plan and exclusive retail offers.
Flexible working options to support work-life balance.Join Us
Be part of a team where your skills in network and cloud security will make a real impact. Help us build a secure future for millions of customers while growing your career in a dynamic, inclusive environment.
We are committed to being a truly inclusive retailer so youll be welcomed whoever you are and wherever you work. Around here, theres always the chance to try something new whether thats as part of an evolving team or somewhere else across the business - and we take development seriously and promise to support you. We also recognise and celebrate colleagues when they go the extra mile and, where possible, offer flexible working. When you join our team, well also offer you an amazing range of benefits. Here are some of them:
Starting off with colleague discount, you'll be able to save 10% on your shopping online and instore at Sainsbury's, Argos, TU and Habitat, and we regularly increase the discount to 15% at points during the year. We've also got you covered for your future with our pensions scheme and life cover. You'll also be able to share in our success as you may be eligible for a performance-related bonus of up to 10% of salary, depending on how we perform.
Your wellbeing is important to us too. You'll receive an annual holiday allowance and you can buy up to an additional week's holiday. We also offer other benefits that will help your money go further such as season ticket loans, cycle to work scheme, health cash plans, salary advance (where you can access some of your pay before pay day) as well access to a great range of discounts from hundreds of other retailers. And if you ever need it there is also an employee assistance programme.
Moments that matter are as important to us as they are to you which is why we give up to 26 weeks pay for maternity or adoption leave and up to 4 weeks pay for paternity leave.
Please see for a range of our benefits (note, length of service and eligibility criteria may apply).
This advertiser has chosen not to accept applicants from your region.

Security Engineer

Kew, London VIQU IT

Posted 8 days ago

Job Viewed

Tap Again To Close

Job Description

contract

Security Engineer – 3 Month Contract – Hybrid – London - Proofpoint

My client, a global business, is looking for an experienced Security Engineerto provide SME level expertise to an email security project - migrating Mimecast to Proofpoint.

The successful candidate must have expert level, hands-on experience using Proofpoint, including the setup of policies, general configuration and knowledge transfer.

The project has come about to align the customers global email security posture and so is a key project within the businesses road map.

Key Responsibilities of the Security Engineer:

  • Assist with Proofpoint policy configuration setup for multiple regions across Europe.
  • Provide ongoing hands-on support within a migration from Mimecast to Proofpoint.
  • Supporting the setup of TAP Isolation, Account Takeover Protection and Encryption.
  • Monitoring Proofpoint logs and contributing to the IP reputation building efforts
  • Participation in working sessions with end users to strengthen the company’s security posture.
  • Support DMARC domain enrolment and validation within Proofpoint

Skills and Technology used by the Security Engineer:

  • Must have Proven experience with Proofpoint, configuration and enhancements.
  • A strong background within email security.
  • Strong troubleshooting and attention to detail.

The successful Security Engineer will be working 2 days a week onsite in London.

Apply now to speak with VIQU IT in confidence. Or reach out to Matt Farrell via the VIQU IT website.

Do you know someone great? We’ll thank you with up to £1,000 if your referral is successful (terms apply).

For more exciting roles and opportunities like this, please follow us on LinkedIn @VIQU IT Recruitment.

This advertiser has chosen not to accept applicants from your region.

Security Engineer

Biggin Hill, London VIQU IT

Posted 10 days ago

Job Viewed

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Job Description

full time

Security Engineer
Kent, Hybrid
Competitive Salary

VIQU have partnered with a leading automotive organisation in Kent to search for an experineced Security Engineer . This role is all about protecting and improving cloud and infrastructure environments, driving security automation, and helping shape DevSecOps practices. You’ll work across AWS and modern platforms, supporting both day-to-day security operations and longer-term strategic projects.

Key Responsibilities:

  • Maintain strong security posture across cloud infrastructure

  • Manage vulnerabilities and support regular system maintenance

  • Design, implement, and manage security tooling in cloud environments (AWS focus )

  • Support threat detection, incident response, and risk mitigation activities

  • Contribute to compliance initiatives (ISO 27001, CIS benchmarks )

  • Collaborate with infrastructure and platform teams to embed security controls

  • Apply secure DevOps practices (code scanning, container security, IaC)

  • Support governance, reporting, and vulnerability management processes

  • Participate in security reviews, threat assessments, and architecture decisions

Key Requirements:

  • 3+ years’ hands-on experience with AWS security services (CloudTrail, GuardDuty, WAF, IAM, Security Hub)

  • Strong knowledge of cloud governance and security best practices

  • Familiarity with CI/CD pipelines and DevSecOps approaches

  • Experience with infrastructure as code (Terraform)

  • Exposure to container technologies (Docker/Kubernetes)

  • Good understanding of cloud and traditional networking security

  • Awareness of compliance standards (ISO 27001, CIS, GDPR)

Desirable Skills / Certifications:

  • Azure security or multi-cloud experience

  • IAM administration (Okta, Entra ID)

  • Web application security (WAF, bot/DoS protections)

  • Certifications such as CISSP, AWS Security Specialty, Azure Security

Apply now to speak with VIQU IT in confidence. Or reach out to  Aaron Chiverton  via the VIQU IT website or at (url removed)

Do you know someone great? We’ll thank you with up to £1,000 if your referral is successful (terms apply).

For more exciting roles and opportunities like this, please follow us on LinkedIn

This advertiser has chosen not to accept applicants from your region.
 

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