1 to 25 of 33 Red Team Jobs in the East of England

FTSE 100 companies to critical infrastructure and government entities — they provide high-quality security testing and advisory services across various industries. This is an excellent opportunity to join a team that values your expertise, supports your growth, and offers the flexibility of remote working with the stimulation of varied engagements. Key Responsibilities: Conduct thorough penetration tests on infrastructure, networks … results presentations. Keep current with emerging threats, vulnerabilities, and tools in the offensive security landscape. Contribute to internal development of testing methodologies, tooling, and knowledge sharing. Experience with red teaming, threat simulation, or assumed breach testing. Scripting/automation with Python, Bash, or PowerShell. Previous consultancy or client-facing experience. Eligibility for or possession of UK Security Clearance More ❯

Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll … play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a hands-on, client-facing position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of … offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous More ❯

Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll … play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a hands-on, client-facing position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of … offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous More ❯

you want to login/join with: Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll … play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a hands-on, client-facing position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of … offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous More ❯

you want to login/join with: Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll … play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a hands-on, client-facing position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of … offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous More ❯

you want to login/join with: Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll … play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a hands-on, client-facing position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of … offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous More ❯

you want to login/join with: Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll … play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a hands-on, client-facing position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of … offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous More ❯

Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll … play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a hands-on, client-facing position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of … offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous More ❯

to join an established organisation expanding their penetration testing capabilities, this is a genuine opportunity for a penetration tester to deliver impactful testing work without being sidetracked by red tape. You'll focus on delivering high-quality assessments and reports, honing your skills across various testing disciplines, with full investment in training and certifications (including those you pursue … as: Internal/External Infrastructure Web Applications, APIs Hardware & Embedded Software Produce clear, concise, actionable reports for both technical and non-technical audiences. Work independently or collaboratively with a team of penetration testers. Engage with clients and stakeholders to explain findings and remediation steps. What's in it for you? Remote-first culture – work from anywhere in the UK … CSTM, CTL, with financial rewards for obtaining them A culture valuing continuous learning, autonomy, and progression The opportunity to make a significant impact and grow with a maturing security team The Ideal Penetration Tester: 1-3 years of commercial experience Experience in areas such as Infrastructure, Web Applications, Cloud, etc. Strong communication and report writing skills Enjoys technical delivery More ❯

investigating security incidents, they maximise their expertise to collaborate with other teams, driving innovation and improving our overall security capabilities. The Security Operations Centre Manager will lead a skilled team, deliver high-quality service, and collaborate with cybersecurity professionals. Take charge of coordinating initiatives that integrate efforts across security teams and the wider Tesco Technology organization. Emphasize the development … of team members and the maturity of the SOC's capabilities. Drawing on extensive security operations experience and strong critical thinking skills, the SOC Manager will support incident analysis and maintain a clear view of the operational and threat landscape, ensuring a coordinated and effective response to emerging incidents. At Tesco, we believe in the power of spending more … and execution, while also reporting on its implementation. Stay ahead of the cyber threat landscape and specifically those within Tesco verticals (e.g., retail, transport, fuel, pharmacy). Lead the team through complex operational landscapes and security incidents, ensuring accurate interrogation, analysis, and presentation of threat-related data and ensuring decisive actions. Develop team member leadership skills and technical More ❯

provider of managed security services, is looking for a Level 3 SOC Analyst to join their Security Operations Center (SOC). This is a critical role within a growing team responsible for the advanced detection, investigation, and mitigation of complex cyber threats. As a senior member of the SOC, you will leverage your deep technical expertise to lead high … modeling. Oversee the continuous tuning and optimization of SIEM platforms and other security tools to reduce false positives and enhance detection accuracy. Contribute to red/blue team exercises to validate security controls and improve SOC readiness. Support compliance and audit activities by providing expert analysis and reporting. Skills/Must Have: 4+ years of experience in More ❯

practices into the fabric of our development processes. What you'll be doing: Leading cybersecurity initiative delivery across game and platform development teams. Managing third-party penetration testing, red teaming, and security assessments. Driving the integration of secure development practices and automation within CI/CD workflows. Supporting compliance and audit activities through structured documentation and reporting. Coordinating … of cross-functional stakeholder management, being a knowledgeable bridge between technical cyber security teams and non-cyber security colleagues. Proven track record of leading third-party testing efforts, red teaming and security tool implementations. Strong knowledge and experience of integrating security into agile development environments and workflows. Experience with tools like Jira, Confluence, SharePoint or similar project management More ❯

evaluation and enhancement of multilingual prompt-response datasets for large language models (LLMs). This role involves rubric design, evaluation of translations and model outputs, prompt creation, and red teaming focused on identifying and surfacing cultural nuances and biases in LLM behavior. Key Responsibilities: Rubric Definition & Prompt Evaluation Update rubric definitions with region/language-specific examples to More ❯

evaluation and enhancement of multilingual prompt-response datasets for large language models (LLMs). This role involves rubric design, evaluation of translations and model outputs, prompt creation, and red teaming focused on identifying and surfacing cultural nuances and biases in LLM behavior. Key Responsibilities: Rubric Definition & Prompt Evaluation Update rubric definitions with region/language-specific examples to More ❯

Other EU work permit required: Yes Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: We are looking for a Principal Vulnerability Engineer to join the security vulnerability team for the Java platform. This team handles both offensive (red team) and defensive (blue team) security duties. Responsibilities include proactive research, security tooling, assessments More ❯

Other EU work permit required: Yes Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: We are looking for a Principal Vulnerability Engineer to join the security vulnerability team for the Java platform. This team handles both offensive (red team) and defensive (blue team) security duties. Responsibilities include proactive research, security tooling, assessments More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. Qualified candidate must have More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. Qualified candidate must have More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. Qualified candidate must have More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. Qualified candidate must have More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. Qualified candidate must have More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. Qualified candidate must have More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. Qualified candidate must have More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. Qualified candidate must have More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security code review. Qualified candidate must have More ❯