151 to 175 of 426 Permanent Penetration Testing Jobs

Operator to join our adversary simulation team, delivering high-impact operations against some of the most complex enterprise environments in the UK and beyond. This isn't a typical penetration testing role. You'll be leading tailored campaigns that emulate real-world threat actors - from phishing initial access through to cloud-native post-exploitation and domain-level compromise … and encourages new ideas and perspectives High-autonomy environment with supportive, skilled peers. Annual training & research budget - use it for conferences, courses, or tooling. Access to red team labs, testing infrastructure, CTI, and sandbox environments. Opportunities to contribute to public research, tools, and community initiatives. Flexible work, sensible management, and zero micromanagement. How to apply If you are interested More ❯

with engineering and DevOps teams to implement security controls across cloud infrastructure (ideally AWS), including access control, encryption, and logging. Leading the incident response process and managing third-party penetration testing and vulnerability management activities. The ideal Information Security Lead will have experience with the following: 3-5 years of hands-on experience in an information security or More ❯

prioritization of remediation of findings. Ability to monitor network security systems, summarize results with dashboards or other tools and report to C-suite on a weekly basis. Familiarity with Penetration testing tools such as MITRE ATT&CK and developing remediation strategies, POAM, and implementation of the POAM. Interpersonal skills in supporting internal stakeholders, customers, and support contractors. Knowledge More ❯

awareness and training, assurance, and cyber security. BASIC QUALIFICATIONS Degree or Equivalent experience in a technical field. Experience of working in a Security Operations Centre (SOC) performing security investigations, penetration testing and/or incident response in the context of large organisations Understanding of security threats, hands-on experience detecting and defending from cyber-attacks, and experience using More ❯

awareness and training, assurance, and cyber security. BASIC QUALIFICATIONS Degree or Equivalent experience in a technical field. Experience of working in a Security Operations Centre (SOC) performing security investigations, penetration testing and/or incident response in the context of large organisations Understanding of security threats, hands-on experience detecting and defending from cyber-attacks, and experience using More ❯

Analyst shall possess the following capabilities: Experience in computer or information systems design, development, or analysis. Background in hardware/software engineering, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, or network and systems administration. Qualifications: Level 1: Associate's Degree with 4 years of experience or Bachelor's Degree with More ❯

in computer or information systems design/development/analysis. In addition, it may also include engineering hardware and/or software, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, and/or network and systems administration. Completion of military training in a relevant area such as JCAC (Joint Cyber Analysis More ❯

Analyst shall possess the following capabilities: Experience in computer or information systems design, development, or analysis. Background in hardware/software engineering, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, or network and systems administration. Qualifications: Level 1: Associate's Degree with 4 years of experience or Bachelor's Degree with More ❯

Analyst shall possess the following capabilities: Experience in computer or information systems design, development, or analysis. Background in hardware/software engineering, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, or network and systems administration. Qualifications: Level 1: Associate's Degree with 4 years of experience or Bachelor's Degree with More ❯

Analyst shall possess the following capabilities: Experience in computer or information systems design, development, or analysis. Background in hardware/software engineering, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, or network and systems administration. Qualifications: Level 1: Associate's Degree with 4 years of experience or Bachelor's Degree with More ❯

Analyst shall possess the following capabilities: Experience in computer or information systems design, development, or analysis. Background in hardware/software engineering, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, or network and systems administration. Qualifications: Level 1: Associate's Degree with 4 years of experience or Bachelor's Degree with More ❯

Analyst shall possess the following capabilities: Experience in computer or information systems design, development, or analysis. Background in hardware/software engineering, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, or network and systems administration. Qualifications: Level 1: Associate's Degree with 4 years of experience or Bachelor's Degree with More ❯

Analyst shall possess the following capabilities: Experience in computer or information systems design, development, or analysis. Background in hardware/software engineering, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, or network and systems administration. Qualifications: Level 1: Associate's Degree with 4 years of experience or Bachelor's Degree with More ❯

part of our working culture. When we feel supported in the workplace and at home, there's nothing we can't achieve. BASIC QUALIFICATIONS Extensive experience performing security investigations, penetration testing, and/or incident response in the context of large organizations. In-depth understanding of security threats, hands-on experience detecting and defending from cyber attacks, and More ❯

occasional evenings/weekends for planned exercises (not a 24/7 role) Desirable: Degree or equivalent experience Previous consulting or technical client-facing experience Background in SOC, Pen Testing, InfoSec, or Systems Admin Knowledge of BGP, WAF, CDN, or cloud platforms (AWS, Azure, GCP) Basic scripting (e.g. Python, Bash) for automation or analysis Please note that at times More ❯

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 ❯

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 ❯

cost effective controls. Technical depth: hands on knowledge of cloud security, IAM, container & API security, network segmentation, encryption and DevSecOps toolchains; capable of explaining exploitability of complex vulnerabilities. Pen testing & threat modelling: scoping, overseeing and translating results into enforceable patterns and backlog items. Influential communication: proven ability to engage C suite and delivery squads alike, adapting style to gain More ❯

Role: Penetration Tester Type: Permanent Location: Cheltenham/Remote Clearance: SC/DV Are you an offensive security specialist who is excited about delivering the best service possible? Keen to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused on the Penetration Testing market. What makes them stand out? They are not interested in flashy marketing and would never be caught trying to pass off a Nessus scan as a Penetration Test. The business has been built on delivering excellent testing and reports as well as ensuring that clients see the real benefits of their testing outputs. … The company have an office in Cheltenham however you are welcome to work where is best for you. Key Responsibilities: • Work to deliver CHECK penetration testing services • Lean into non-CHECK work where necessary • Work with the sales team to flesh out technical input as needed • Deliver quality reports to customers, • Stay up to date with industry trends More ❯

Job Title: Penetration Tester Location: Leeds/Hybrid Reports To: Head of Cyber Services Salary: £55,000 - £60,000 Travel: Occasional client site visits About Us We're a rapidly growing cybersecurity reseller and MSP delivering cutting-edge security solutions across network, endpoint, cloud, and offensive security testing. Our mission: empower clients to expose and eliminate critical vulnerabilities before … attackers do. We're expanding our offensive security team and need an experienced Penetration Tester to deliver high-impact, real-world security assessments that drive tangible improvements. The Role - What You'll Own You will simulate sophisticated cyberattacks across client environments - from networks and web apps to cloud and endpoints - exposing weaknesses before adversaries can exploit them. Your findings … will guide clients to stronger, more resilient security postures. Lead internal and external penetration tests , including infrastructure, web, wireless, cloud, and social engineering. Execute red team, purple team, and breach simulation exercises tailored to client maturity and objectives. Identify and safely exploit vulnerabilities to demonstrate real business impact . Deliver clear, actionable reports tailored to both technical teams and More ❯

Gray Tier Technologies is seeking a Penetration Tester with Cloud experience to support our customer in Ashburn VA. The Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to … to 10 years of professional experience with a Masters' degree. At least 6 years pentesting experience with at least 2 years cloud pentesting experience. Applicant should be proficient in testing of Kubernetes, Docker, and AWS infrastructure, with supporting knowledge from testing other cloud providers. Certifications: At least one mobile pentesting certification such as SANS GMOB • CISSP • GISF • GPEN More ❯

CHECK Senior Infrastructure Penetration Tester PGI is a global consultancy that helps organisations build digital resilience. We deploy our people to implement solutions on behalf of clients or to support them in developing their capabilities. Our Penetration Testers work with organisations of all sizes and types to detect and remediate vulnerabilities. They help identify areas lacking sufficient protection. … could exploit, and makes recommendations to safeguard assets. What you'll be doing: Providing professional cybersecurity consultancy to internal and external stakeholders. Leading the delivery of PGI's infrastructure penetration testing. Collaborating on the design and delivery of new and existing service lines related to offensive security assessments. Supporting and often leading technical pre-sales, proposal writing, and client … ensure successful outcomes. Mentoring security consultants or clients by sharing knowledge and overseeing skill development. Participating in exercises such as Capture The Flag (CTF) challenges. Providing accurate scoping of penetration testing opportunities for sales activities. Supporting sales activities with proposals and client presentations. Supporting marketing with subject matter expertise and content development. Developing and maintaining technical skills and More ❯

Why join Dionach by Nomios? Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. Dionach by Nomios holds impressive … environment for all our employees. If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site customer engagements. Lead on developing and providing … equivalent level. Experience : At least 5 years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. Communication : Strong verbal and More ❯

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 across … 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 ❯

Agile methodologies and promote a culture of continuous improvement. We are seeking an enthusiastic Senior Test Engineer (Non-Functional Security) with strong technical skills to deliver and support security testing workstreams, including vulnerability assessments and penetration testing. You will guide other testers on security testing best practices. You will be part of our non-functional testing specialist team, collaborating closely with your team and overseeing the testing process. This role offers the chance to explore new tools and approaches to improve service delivery. Companies House offers a flexible, welcoming culture that promotes work-life balance and wellbeing. Benefits include flexible working with no core hours, 30 days annual leave, 8 bank holidays, 1 privilege … cannot offer Visa sponsorship. A Security Check (SC) is required, with at least 3 out of the last 5 years in the UK. Key responsibilities Coordinate and execute security testing within the software development lifecycle, including vulnerability scans using tools like Burp Suite, and testing security issues. Support the wider testing team by sharing knowledge on security More ❯