126 to 150 of 453 Penetration Testing Jobs

security breaches and other cybersecurity incidents. - Document security breaches and assess the damage they cause. - Work with the security team to perform tests and uncover network vulnerabilities, such as penetration testing. - Fix detected vulnerabilities to maintain a high-security standard. - Recommend best practices for IT security. - Installing security measures and operating software to protect systems and information infrastructure, including More ❯

and collaborating across teams to enhance our cybersecurity posture across Europe. Main responsibilities Develop, implement, and maintain IT security policies, standards, and procedures. Lead security assessments, vulnerability scanning, and penetration testing. Monitor and respond to security incidents, conducting investigations and ensuring quick remediation. Oversee the implementation of security controls to safeguard digital assets and protect data. Manage the organization More ❯

services, storage, networking, and security components. -Monitor and optimize system performance, and implement corrective actions on a hybrid/private cloud-based platform. -Conduct regular cybersecurity vulnerability assessments and penetration testing. -Develop and maintain security incident response plans and procedures. -Develop and implement automation scripts and tools to streamline platform deployments, provisioning, and management tasks. -Deploy and manage machines More ❯

A global quantitative trading firm specializing in algorithmic and high-frequency trading (HFT) is hiring a Cyber Security Engineer (2-4 years' experience) to operate in a broad, vendor-agnostic security environment. This fully onsite role (5 days per week More ❯

We are currently seeking a highly skilled and results-oriented Penetration Tester/Ethical Hacker with at least 5 years of hands-on penetration testing/ethical hacking experience . This role is office-based with occasional travel to client sites. Please do not apply if you don't have at least one of the following qualifications … OSCP, Crest, ECPPT, GPEN, CRTO. Key Responsibilities Lead internal and external penetration tests, including web, mobile, infrastructure, wireless, cloud, and social engineering. Execute red team, purple team, and breach simulation exercises tailored to client maturity and objectives. Deliver detailed and actionable penetration testing reports Collaborate with clients to understand their specific security needs and present findings in … a clear manner. Develop and maintain security testing methodologies and procedures in alignment with industry best practices. Reviewed penetration test reports to ensure they are up to standard and meet test objectives. Mentor junior penetration testers. Assist in incident response activities, including investigation, containment, and remediation of security incidents. Conduct cloud security assessments. Essential Requirements Must be More ❯

Senior Penetration Tester Penetration Testing/Web & Cloud Security/Red Team/Outside IR35/Fully Remote/£600 pd/ASAP Start/6 months SR2 have partnered with a cutting-edge Cyber Security Consultancy to recruit a Senior Penetration Tester to support a large-scale security assessment programme for public sector and regulated … ll work across a range of environments, identifying vulnerabilities, simulating real-world attacks, and helping to harden complex systems against evolving threats. Required Skills and Experience: Proven experience conducting penetration testing across web apps, APIs, infrastructure, and cloud environments (AWS, Azure, GCP) Strong understanding of OWASP Top 10 , CVSS, and secure coding principles Experience with tools such as … Hybrid working - 2 Days per month (London or Cheltenham) Must be UK based 6 months £600 per day ASAP Start 1-stage interview process If you're a seasoned Penetration Tester looking for a new contract, click Apply to get started. Alternatively, directly send a recent copy of your CV to Ben Sheppard at (see below) for an immediate More ❯

Senior Penetration Tester Penetration Testing/Web & Cloud Security/Red Team/Outside IR35/Fully Remote/£600 pd/ASAP Start/6 Months SR2 have partnered with a cutting-edge Cyber Security Consultancy to recruit a Senior Penetration Tester to support a large-scale security assessment programme for public sector and regulated … ll work across a range of environments, identifying vulnerabilities, simulating real-world attacks, and helping to harden complex systems against evolving threats. Required Skills and Experience: Proven experience conducting penetration testing across web apps, APIs, infrastructure, and cloud environments (AWS, Azure, GCP) Strong understanding of OWASP Top 10 , CVSS, and secure coding principles Experience with tools such as … Hybrid working - 2 Days per month (London or Cheltenham) Must be UK based 6 Months £600 per day ASAP Start 1-stage interview process If you’re a seasoned Penetration Tester looking for a new contract, click Apply to get started. Alternatively, directly send a recent copy of your CV to Ben Sheppard at for an immediate discussion. More ❯

GoDefend is a growing UK-based cyber security company based in Newcastle upon Tyne, offering a wide-spectrum of cyber solutions whilst specialising in continuous vulnerability scanning and penetration testing. We are seeking a Penetration Tester with over three years of hands-on experience in offensive security. Youll join a growing, fast-paced cyber security team where your … remote working), is ideal for a technically skilled professional who is also confident communicating with clients and translating complex risks into clear business language. What Youll Be Doing: Conduct penetration testing across web applications, mobile apps, cloud platforms, and internal networks. Perform detailed vulnerability assessments and provide actionable remediation guidance. Create professional, jargon-free reports suitable for both … technical and non-technical audiences. Lead or support scoping calls with clients to define the scope and objectives of testing engagements. Act as a trusted advisor, clearly communicating findings, risk implications, and recommendations to stakeholders. Mentor junior testers and contribute to internal training and documentation. Investigate post-incident root causes and propose preventative security controls. Keep abreast of emerging More ❯

GoDefend is a growing UK-based cyber security company based in Newcastle upon Tyne, offering a wide-spectrum of cyber solutions whilst specialising in continuous vulnerability scanning and penetration testing. We are seeking a Penetration Tester with over three years of hands-on experience in offensive security. Youll join a growing, fast-paced cyber security team where your … remote working), is ideal for a technically skilled professional who is also confident communicating with clients and translating complex risks into clear business language. What Youll Be Doing: Conduct penetration testing across web applications, mobile apps, cloud platforms, and internal networks. Perform detailed vulnerability assessments and provide actionable remediation guidance. Create professional, jargon-free reports suitable for both … technical and non-technical audiences. Lead or support scoping calls with clients to define the scope and objectives of testing engagements. Act as a trusted advisor, clearly communicating findings, risk implications, and recommendations to stakeholders. Mentor junior testers and contribute to internal training and documentation. Investigate post-incident root causes and propose preventative security controls. Keep abreast of emerging More ❯

Summary: CCL Solutions Group is seeking an exceptional Senior Penetration Tester with CHECK Team Leader Infrastructure (CTL-INF) qualifications to join our elite team of security professionals. Location: Home based Main Job Summary This is more than just a job, we're looking for individuals with a hacker's mindset, deep technical expertise, and a relentless drive to secure … leading provider of cybersecurity services, we are a team committed to making a real difference in protecting communities, businesses, and the critical infrastructure of the UK. As a Senior Penetration Tester within CCL Solutions Group, your key responsibilities will be: Lead and deliver end-to-end penetration testing engagements across infrastructure and cloud environments. Manage and mentor … Leader certification (Cyber Scheme Team Leader - INF or CREST CCT-INF). Minimum of 2 years delivering CHECK engagements as a CTL. At least 3 years of hands-on penetration testing experience in enterprise environments. Deep understanding of infrastructure testing, Active Directory security, and cloud technologies (AWS, Azure, Kubernetes). Strong familiarity with tools such as Nmap More ❯

Senior Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many more. At CGI you will get the opportunity to work … range of areas including Risk Assessments, Vulnerability Management, Accreditations (ISO27001, GDPR), GRC (Governance, Risk, Compliance), Security Architecture Design and Build (technical and Non-technical), Incident Response, Protective Monitoring Services, Penetration Testing and much more. We take clients through a journey to improve their overall security posture and maturity to ensure they feel reassured in the Security control, measures … go. Our roles are only available if you hold or fulfil the criteria to obtain a UK Security Clearance. Your future duties and responsibilities An opportunity for an experienced penetration testers has become available due to growth, joining the CGI Cyber Security business unit, one of the largest groups of cyber security specialists in the UK. CGI has a More ❯

and promote a culture of continuous improvement.??? We are looking for an enthusiastic? Senior Test Engineer? (Non-Functional Security)?with great technical skills, able to deliver and support security testing workstreams, including vulnerability assessments and penetration testing. You will also offer guidance to other testers on security testing best practices.?? You will be part of our non … functional testing specialist team, working collaboratively with your team and overseeing the testing journey.?? This provides an opportunity to make the test community thrive by exploring new and emerging tools and approaches and working out how you can help the organisation deliver better services.??? This is a rewarding role within the Test Team and provides an opportunity to … more information. Job description As a Senior Test Engineer focusing on security you will;???? Working within a delivery team, you'll contribute to the coordination and execution of security testing across the software development lifecycle. This will involve running vulnerability scans using tools such as Burp, coordinating with relevant teams, testing security related issues.?? Support the wider test More ❯

of continuous improvement. We are looking for an enthusiastic Lead Test Engineer (Security) with great technical skills able to coach and mentor other testers and lead the non-functional testing workstream focused on Security testing. You will be part of our lead tester group, working collaboratively with your team and overseeing the testing journey with management responsibilities. This … . Please see 'Things you need to know' section below for more information. Job description As a Lead Test Engineer focusing on security, you will: Take ownership of security testing within the software development lifecycle. This will involve running vulnerability scans using tools such as Burp, coordinating with relevant teams, and testing security-related issues. As a manager … you will provide advice, coaching and mentoring to testers on non-functional testing subjects such as security testing. Attend meetings and provide stakeholders with updates. Design and execute manual and automated security test cases using standard testing techniques. Design and implement pipeline solutions to support automated security testing and reporting. For more information on the Test Engineering More ❯

Cyber Network Operator on a highly technical team conducting remote cyber operations. You should have a minimum of 7 years of related experience, have a solid background in the Penetration Test/Attack Lifecycle and be able to pivot and exploit while avoiding detection in high-security networks. You will be responsible for all phases of network exploitation and … successfully attack and persist in customer networks which include a diverse set of network hosts and devices. You should have the ability to build out end-to-end specialized penetration testing and exploitation platforms while working closely with internal and external partners. This job requires experience working in a highly technical environment, mentoring more junior penetration testers … Understanding of Exploit methodology, processes and development. • Understanding of network scanning and vulnerability analysis/assessment DESIRED SKILLS: • Experience in a role as a computer network operator, possessing extensive penetration testing skills/experience to conduct vulnerability assessments leading to approved operational plans. • Experience working with orchestration tools such as Packer/Vagrant, Ansible, Puppet, Salt and/ More ❯

SECFORCE is an independent offensive cyber security consultancy specialised in Penetration Testing and Adversary Simulation. Founded in 2008 out of love and passion for the hacking craft, we have grown into a well-respected company based in London, Malta and Greece, with teams across Europe working for top-tier organisations all over the world. What started as a … security. Tasks Collaborate with sales to understand client needs and position appropriate cybersecurity services Deliver technical presentations and demos that communicate the value and scope of our services (e.g., penetration testing, red teaming, DORA/ISO compliance, etc.) Support the preparation of proposals, statements of work (SOWs), and RFP/RFI responses Scope and define technical requirements and … or technical sales support role within cybersecurity or IT services Understanding of the cyber threat landscape Familiarity with AWS, Azure, or Google Cloud. Understanding of Cyber Services markets e.g. Penetration Testing, Red Team/Purple Team, Adversary Simulation, risk and compliance frameworks ISO 27001, NIST, DORA, CREST. TIBER etc.) Willingness to travel to regular F2F end user meetings More ❯

Pentest People is a UK-based security consultancy specialising in providing Penetration Testing as a Service to all its clients. Our innovative approach to security testing merges the benefits of consultant-led penetration testing with ongoing vulnerability assurance through our advanced SecurePortal. We are expanding our Incident Response team and are looking for a DFIR More ❯

Conditional Access systems Maintain security certificates, encryption keys, and IDS/IPS systems Deliver cybersecurity awareness training and lead ad-hoc security projects Support and resolve issues identified during penetration testing Ideal Experience We're looking for someone with strong hands-on experience in most of the following technologies: Essential: CrowdStrike EDR Mimecast Duo, Okta Rapid7 IVM, Tenable … patching Kali Linux, Metasploit, NMAP, BurpSuite Candidate Profile Professional certifications such as CISM, MS SC100/200/900, OSCP are advantageous Background in financial services, SOC environments, or penetration testing preferred Strong interpersonal and communication skills, with the ability to engage across teams and deliver training effectively Able to manage multiple priorities and collaborate cross-functionally What More ❯

Security Classification Assessor Test Engineer (SCATE) Level 1 - Penetration Tester LV8D Solutions is looking for a Security Classification Assessor Test Engineer (SCATE) Level 1. We are looking for a security professional who reviews and evaluates Information Systems (IS) and recommends to the Government changes that can improve information confidentiality, integrity, and availability as well as someone who can perform … Unix, Mac OS, and other operating systems Configuring and supporting VMware, Xen, Hyper V and other virtualization platforms Software engineering Program design and implementation Configuration management System maintenance Integration testing Information system engineering Penetration testing and analysis System certification activities and efforts related to system certification and accreditation Research, development, integration, and distribution of IS security tools More ❯

Security Classification Assessor Test Engineer (SCATE) Level 3 - Penetration Tester LV8D Solutions is looking for a Security Classification Assessor Test Engineer (SCATE) Level 3. We are looking for a security professional who reviews and evaluates NRO Information Systems (IS) and recommends to the Government changes that can improve information confidentiality, integrity, and availability as well as someone who can … Unix, Mac OS, and other operating systems Configuring and supporting VMware, Xen, Hyper V and other virtualization platforms Software engineering Program design and implementation Configuration management System maintenance Integration testing Information system engineering Penetration testing and analysis System certification activities and efforts related to system certification and accreditation Research, development, integration, and distribution of IS security tools More ❯

Security Classification Assessor Test Engineer (SCATE) Level 2 - Penetration Tester LV8D Solutions is looking for a Security Classification Assessor Test Engineer (SCATE) Level 2. We are looking for a security professional who reviews and evaluates NRO Information Systems (IS) and recommends to the Government changes that can improve information confidentiality, integrity, and availability as well as someone who can … Unix, Mac OS, and other operating systems Configuring and supporting VMware, Xen, Hyper V and other virtualization platforms Software engineering Program design and implementation Configuration management System maintenance Integration testing Information system engineering Penetration testing and analysis System certification activities and efforts related to system certification and accreditation Research, development, integration, and distribution of IS security tools More ❯

Mid-level, FIPS 140 Security Engineer & CVP Certified Tester Work model: REMOTE Department: FIPS/Testing Location: Columbia, MD Role Type: Contract No Clearance Required Not available on C2C contract basis Not able to provide sponsorship About Our Client Our client offers an exciting opportunity to work in the rapidly expanding IT Security field, integral to supporting national defense … security analysis and product architecture review to hands-on vulnerability and physical security testing. You will apply your technical expertise to conduct system-level logical analysis, rigorous cryptographic algorithm testing, and detailed source code reviews, all while ensuring products meet stringent security standard requirements. This role offers the opportunity to directly contribute to securing critical communication systems for national … defense, providing an impactful career in a growing industry. You will collaborate closely within a team environment, sharing knowledge with experts, and your work will involve not only testing but also the development of applications and automation scripts to enhance testing capabilities, culminating in precise technical report writing. The ideal candidate is passionate about cybersecurity, cryptology, and ensuring More ❯

and plans VulnerabilityManagement:?Research weaknesses and find ways to counter them Security incident response:?Respond to attack vectors and security incidents, and coordinate incident response across teams Security software testing:?Test company software, firmware, and firewalls Security software design:?Design software security systems like intrusion detection systems and firewalls Security system maintenance:?Maintainand proof network security systems Security system … of basic co-relation rules, and administration of SIEMpreferred Should haveexpertiseon TCP/IP network traffic and event log analysis Network Troubleshooting skillsrequired. Knowledge and hands-on experience in penetration testing/vulnerability scanning, security tools like tenable Nessus, kaliLinux Knowledge of ITIL disciplines such as Incident, Problem and Change Management Experience of infrastructure design and management in More ❯

Manage and optimise enterprise-grade security tools: WAF, DDoS, email and web security gateways, SIEM, SOAR, EDR, MFA, SSO, IDS/IPS, PAM and more. Perform vulnerability assessments and penetration test remediation. Deliver Cyber Security Awareness Training across the business. Lead ad-hoc security initiatives and projects. Mentor junior security staff and collaborate across IT and business units to … SC-100/200/900, OSCP or equivalent. Strong interpersonal and communication skills. Ability to lead, prioritise, and deliver across multiple concurrent tasks. Previous experience in financial services, penetration testing, or a SOC environment is a strong advantage. Working Pattern & Location Hybrid working model: 3 days in the office (High Holborn), 2 days from home. Shift coverage More ❯

received reports. Proactively identify and solve issues, and respond quickly to delegated work. Communicate, document, and share your findings. Stay updated on the latest malware and security threats. Perform penetration tests and security validation on computer systems, networks, and applications. Create new testing methods to identify vulnerabilities. What you'll bring Knowledge/skills/experience: Outstanding interpersonal … abilities, and strong written and verbal communication skills. Fluent in English, both written and spoken. At least 2 years of experience in pen testing, security testing, or vulnerability assessments. Stress resistant & able to maintain focus during incidents. A strong understanding of the (Ethical) Hacker culture. Attention to detail, analytical, and problem-solving skills. Able to independently find solutions More ❯

Unix, Mac OS, and other operating systems • Configuring and supporting VMware, Xen, Hyper V and other virtualization platforms • Software engineering • Program design and implementation • Configuration management • System maintenance • Integration testing • Information system engineering • Penetration testing and analysis • System certification activities and efforts related to system certification and accreditation • Research, development, integration, and distribution of IS security tools More ❯