18 of 18 Permanent Penetration Testing Jobs in Slough

Penetration Tester Are you an ambitious cybersecurity professional with a passion for uncovering vulnerabilities and strengthening digital defences? Join Ultima's Security Testing Practice as a Penetration Tester and play a key role in protecting our clients' critical systems. Working alongside experienced consultants, you'll deliver high … quality penetration testing engagements, contribute to continuous improvement, and grow your expertise in a collaborative, knowledge-sharing environment. What you'll be doing Sharpen Your Skills, Strengthen Our Security Maintain your penetration testing qualifications and continue developing your technical expertise in line with business and client ...

Penetration Tester Permanent – up to £85k per annum London based – hybrid working – 2-3 days office based (negotiable) Must have CREST CRT Role Overview: We are seeking a highly skilled and experienced Offensive Security Consultant with a strong focus understanding on threat intelligence and attack methods. The ideal candidate … will be responsible for managing and conducting advanced penetration testing engagements, leveraging threat intelligence to simulate real-world attacks across a variety of environments, including OT, IT, web applications, cloud infrastructure, and APIs. This role requires a deep understanding of adversarial approaches, excellent communication skills, and the ability ...

quality and speed to promote faster business and technology change, as well as a better customer experience. Key Responsibilities : Gather security requirements and define penetration testing scope by reviewing design and interface documents. Prepare detailed test plans, scenarios, and rules of engagement aligned with CREST and OWASP standards. … Conduct API penetration testing (REST, GraphQL, SOAP) focusing on authentication, authorization, and business logic flaws. Perform UI/Web application penetration testing for vulnerabilities such as XSS, CSRF, SQL Injection, and session management issues. Identify and document security issues with clear reproduction steps, evidence, and remediation ...

have the expertise and drive to lead complex penetration testing engagements? We're on the lookout for a Senior Penetration Tester to join an established well-structured function; ideal for someone who enjoys autonomy, thrives in technically rewarding environments, and brings experience, leadership, and critical thinking … every engagement. Work alongside a talented team of penetration testers and consultants: Have a voice in shaping our tooling and methodologies, and influence both technical outcomes and the development of rising talent. Key Responsibilities: Lead penetration testing engagements (Web, Infra, Cloud etc) Apply and evolve testing ...

services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security of the software and hardware that runs our cloud infrastructure and strive … services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security of the software and hardware that runs our cloud infrastructure and strive ...

Security Architect. Responsibilities : We are seeking a Offensive Security Engineer to establish and guide our Product Security Team. The successful candidate will drive our penetration testing capability, our secure software development practices, oversee vulnerability remediation, and build automated offensive security capabilities integrated into our agile CI/… threat modeling and secure design during sprint planning. Ensure security tasks are prioritized alongside functional requirements in the agile backlog. Ø Offensive Security & Testing Build and oversee internal penetration testing capabilities for web applications and APIs. Ensure each release in the CI/CD chain undergoes automated ...

ReRoot Cyber is seeking a highly skilled and forward-thinking senior penetration tester to join one of the UK's most respected testing teams. They are an impressive technical team with a genuinely collaborative culture who have the full backing from management to deliver nothing but value adding … problem with 2+1's and pub sec engagements... but that's not where they phish. Most of your time will be spent on advanced testing and large-scale engagements that give you the opportunity to collaborate with wider technologists. (engineers, developers and blue teamers) We want to hear from ...

experience is required. Key Responsibilities Learn and assist in identifying security vulnerabilities across networks, systems, and applications. Support basic security assessments, vulnerability scanning, and penetration testing activities. Monitor security alerts and assist with investigating potential incidents. Help implement security best practices and policies to protect digital assets. Gain … detail. Good written and verbal communication skills. Nice to Have (Bonus Skills) Basic knowledge of networking tools or platforms. Exposure to vulnerability scanning or penetration testing tools. Introductory experience with scripting (Python or Bash). Awareness of cybersecurity frameworks or compliance standards (ISO 27001, NIST, SOC 2). ...

experience is required. Key Responsibilities Learn and assist in identifying security vulnerabilities across networks, systems, and applications. Support basic security assessments, vulnerability scanning, and penetration testing activities. Monitor security alerts and assist with investigating potential incidents. Help implement security best practices and policies to protect digital assets. Gain … detail. Good written and verbal communication skills. Nice to Have (Bonus Skills) Basic knowledge of networking tools or platforms. Exposure to vulnerability scanning or penetration testing tools. Introductory experience with scripting (Python or Bash). Awareness of cybersecurity frameworks or compliance standards (ISO 27001, NIST, SOC 2). ...

scripts, tools, and methodologies to automate and streamline internal processes and engagements - Examples include Terraform and Ansible, custom payload generators/loaders Conduct cloud penetration testing engagements to assess specific workloads (i.e., AWS, GCP, Azure, containers, or other PaaS and SaaS instances) for vulnerabilities and subsequently attempt … stakeholders Lead scoping and services overview conversations with clients for prospective engagements in area of expertise, presenting with credibility and authority, clearly articulating various testing approaches and methodologies to audiences ranging from highly technical to executive personnel Determines processes and procedures to be followed on assignments - On large ...

improve Pentera and to give better remediation guidance to the customers Lead technical deep-dive sessions with cybersecurity experts, guide them through better Penetration Testing procedures and remediation/defense decisions Be a product expert, maintaining customer loyalty, educating customers, and identifying opportunities to expand services and drive … Pentera platform Flexibility to accept a changing work description based on a hyper-fast startup Requirements: At least 3-5 years of penetration testing/red team operations experience or equivalent with a deep understanding of cybersecurity concepts Scripting capabilities – Python, bash, PowerShell, etc. Ability to explain technical ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

enthusiastic security consultant to join our team. Working alongside some of the best hacking minds in the country, you will be delivering pen testing services to a diverse range of clients, from presales through to delivery and debriefs. We are looking for a consultant with a minimum … years experience in pen testing who can deliver the following: Web application testing API testing External & Internal Infrastructure testing (including build reviews) Mobile application testing (including knowledge of standards such as OWASP MASVS) Experience testing in any of the following areas is also desirable ...

readiness. Provide insights and triage signals from security tooling (SAST, DAST, dependency scanning, SIEM). Work hands-on to perform internal security assessments or penetration testing. Manage relationships with external pentest providers, auditors, and assessors. Secure Development Lifecycle (SDLC) Partner with engineering teams to embed security in the SDLC … security standards and frameworks (ISO 27001, SOC 2, CIS, NIST, GDPR, EU AI Act). Hands-on technical skills in areas such as penetration testing, application security, or infrastructure hardening. Familiarity with modern software development practices, DevSecOps, and cloud-native architectures (preferably Python eco-system, Kubernetes and Azure ...

call rotation and assist with troubleshooting issues that arise Defining and implementing a Security Incident Response process/policy with regular evolvement, testing and adherence Required Qualifications Three years or more experience in Cloud Infrastructure roles (predominantly AWS) working within teams that practice DevSecOps Ability to interact comfortably with … more of: Graphite, Statsd, Prometheus, Grafana, OpenSearch Any experience of ISO27001 certification processes Understanding of "cloud native" and 12-Factor applications Offensive or defensive penetration testing experience Additional Information Our Values Collaboration is our superpower We uncover rich perspectives across the world Success happens together We deliver across ...

robust security culture as we unlock Granola for the next 100x users. In this role, you will: Conduct security assessments, code reviews, and penetration testing to identify vulnerabilities in our applications Design and implement security tools, frameworks, and methodologies to protect against security threats Work closely with development ...

KPIs Provide visibility of risks, readiness and improvement areas Nice to Have (Not Essential) Exposure to Azure cost monitoring/FinOps Coordination of penetration testing Security awareness training Business continuity and disaster recovery documentation What We're Looking For 3–5 years' experience in a hands ...

continued success, we're now expanding our offensive security team with the view to hire two experienced penetration testers, who want more than tick-box testing. If you're looking for autonomy, strong mentorship and genuine investment in your development (training & exams funded) alongside a clear development plan. … Make recommendations where possible to better the practice and introduce new tooling. Shadowing senior testers to deepen your commercial and technical experience. Requirements: Practical penetration testing experience. (Web & Infra as a baseline). Strong desire to progress and broaden your skills. Ability to communicate effectively with the team ...