51 to 75 of 111 Remote Penetration Tester Jobs

this requirement will not be considered. Cyber Guarded Ltd is a long-established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at the highest levels, along with Cyber Advisor – Cyber Essentials, we support clients across both public and private sectors. … As we continue to grow significantly, securing contracts across Northern Ireland, we’re strengthening our technical team to meet demand. We’re looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What you’ll do: Conduct infrastructure, app, cloud & OT penetration … remediation advice Work hands-on with clients from scoping through debrief Contribute to tooling, methodology and internal R&D What we’re looking for: 2+ years’ paid employment in penetration testing CHECK Team Lead or CHECK Team Member status (or equivalent) CTL must hold UK CSC Professional Title at Principal level or above Strong knowledge of networks, OS (Linux More ❯

Task Force Talent is seeking a Penetration Tester with an active TS/SCI FSP security clearance. Target salary range is 100k - 210k, depending on experience level. Our client for this role is a small company with very unique experience and expertise in cybersecurity and related areas. Candidates should have a background or experience in a technical area … U.S. citizen with active TS/SCI FSP security clearance. (Sorry, we are unable to sponsor or upgrade clearance s for this role.) Experience with: Grey and black box penetration testing and system exploitation against desktops, servers, applications, operating systems, and security systems to gain root and administrator access Performing reconnaissance, privilege escalation persistence, lateral movement, and payload generation More ❯

like SAST and DAST deployments. Provide technical support with risk assessments on PHI, and steering improvements to our environment in line with common standards such as NIST. Support External Penetration Testing and application vulnerability efforts, delivering assessments and prioritizing remediation activities across the organization. Be across Threat Intelligence relevant to our industry and geographic regions, and translating that to … with our technology teams. Who You Are - some of the essential things required to be successful in the role At least 4 years' experience in securing software or infrastructure, penetration testing or pure product or application security Strong expertise in offensive security techniques and methodologies, including ethical security testing Deep understanding of secure coding practices, common vulnerabilities and risk More ❯

Penetration Tester – Infrastructure Focus Location: London preferred (Hybrid) Salary: £70,000 – £105,000 (London) Level: Senior Consultant to Principal Consultant (SC–PC) ⏱ Flexible hybrid model | High-trust culture | Mission-critical work The Opportunity Join a high-impact consultancy at the forefront of innovation and digital transformation. You’ll be part of a specialist team delivering critical infrastructure penetration … in the UK — from defence and national security to critical infrastructure and operational technology. This is not a web application role . We’re looking for an infrastructure-focused penetration tester with the technical confidence and consultancy mindset to work independently, lead engagements, and deliver real-world impact. If you want to push beyond checklists and automated scans … methodologies, and continuous improvement of team capability Engage with a technical and non-technical audience, acting as a trusted security advisor What You Bring Core Skills: 4+ years of penetration testing experience (infrastructure/internal focus) Strong hands-on expertise with Active Directory attacks, lateral movement, and privilege escalation Experience navigating live and legacy production systems Comfortable in Windows More ❯

Our client is a pure offensive security ompany looking for a senior penetration tester (4+ years experience) to join their team. Location: Amsterdam Type: Permanent Workplace Type: Hybrid/Remote working (1-2 days on site) Job Description This is a technical position and your tasks will include Conducting professional security assessments for the clients Consulting and advisory More ❯

Are you ready to venture deeper into your career as a Senior Penetration Testing Consultant? Join a well-established Managed Security Service Provider (MSSP) and a leading Fortinet and Microsoft partner, delivering high-impact cybersecurity solutions to clients in the defense, government, and financial services industries. Committed to nurturing talent, the organization offers a certification sponsorship and professional development … plan. They are currently seeking for a Senior Penetration Testing Consultant to lead advanced penetration tests and security assessments of systems, networks, and applications. Ready to take the next step in your career? Apply today! Responsibilities: Conduct advanced penetration tests, including complex network, application security, and specialized assessments. Use cutting-edge tools and techniques to identify and … exploit vulnerabilities in diverse environments. Apply knowledge and practical experience in cloud and mobile penetration testing. Collaborate with clients to define project scopes, objectives, and expectations, including conducting pre-engagement meetings to understand their environments and threat landscapes. Offer technical leadership by guiding and mentoring junior team members while reviewing and validating their work to ensure quality and accuracy. More ❯

Harrington Starr have partnered with a global multi billion pound business in Belfast as they seek a Vulnerability and Penetration Testing Engineer to join their Belfast Centre team in providing security architecture, vulnerability and risk assessment. We are open to speaking to suitable canddiates who may be open to working ona remote contract with occasional trips to the Belfast … for WhiteHat/Ethical Hacking. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Expert understanding of the difference between a vulnerability assessment and a penetration test in the context of assessment scope, objectives, and deliverables. Working knowledge of information security frameworks such as ISO27001, NIST, and CIS. If this sounds like a good opportunity More ❯

Harrington Starr have partnered with a global multi billion pound business in Belfast as they seek a Vulnerability and Penetration Testing Engineer to join their Belfast Centre team in providing security architecture, vulnerability and risk assessment. We are open to speaking to suitable canddiates who may be open to working ona remote contract with occasional trips to the Belfast … for WhiteHat/Ethical Hacking. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Expert understanding of the difference between a vulnerability assessment and a penetration test in the context of assessment scope, objectives, and deliverables. Working knowledge of information security frameworks such as ISO27001, NIST, and CIS. If this sounds like a good opportunity More ❯

autonomy to manage your time and diary to suit your work/life balance. We are looking for consultants and senior consultants to join our growing team of specialist penetration testers. PA offers CREST accredited penetration testing services to clients across a range of industries including (among others) finance, central government, energy and utilities, transport and telecoms. Many … technology (OT). The majority of our work is bespoke and requires attention to detail. Our testers are able to work on assignments beyond a sole focus of just penetration testing, allowing them to grow their wider skillset as they desire. This has previously included cloud architecture and teaching at universities and on our publicly available training courses. We … projects Deliver high quality security assessments within agreed deadlines Produce written and verbal reports for clients to an excellent standard. Develop and share knowledge with the rest of the penetration testing team Work with teams across PA Consulting, providing technical knowledge and expertise where required Be self-motivated and client-oriented, aiming to exceed expectations in all areas of 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 certifications … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly and in accordance with project requirement. … and mobile application tests, internal tests, infrastructure tests, but also, social engineering. Ensure all testing activities comply with CHECK standards. What We're Looking For Experience : Significant experience in penetration testing, including network, web application and internal penetration testing as well as experience of leading customer engagements on-site. Communication : Strong verbal and written skills for stakeholder management 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 certifications … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly and in accordance with project requirement. … and mobile application tests, internal tests, infrastructure tests, but also, social engineering. Ensure all testing activities comply with CHECK standards. What We're Looking For Experience : Significant experience in penetration testing, including network, web application and internal penetration testing as well as experience of leading customer engagements on-site. Communication : Strong verbal and written skills for stakeholder management More ❯

will simulate attacks to identify and report security flaws. You will need to take initiative, learn quickly, and handle issues in high-pressure situations. You should be an enthusiastic tester with a few years of experience, passionate about security, and committed to staying at the industry’s leading edge through research and certifications. Due to the sensitive nature of … required. About your role You will be a highly skilled information security specialist working with government and private sector clients. Be part of a talented, collaborative international team leading penetration testing services. Contribute to thought leadership via social media and industry events. Ensure high standards of quality and help improve internal testing and reporting processes. Deepen technical expertise in More ❯

programming skills and experience with languages such as Bash, Python, Powershell, and C++/C#. At least 4+ years of professional experience within Siemens or a related industry in penetration testing with a proven record of continuous career development. Demonstrated affinity to learn about the latest trends in cybersecurity and keep up to date in a continuously challenging environment. … You have experience with one or more of the following aspects of penetration testing/red teaming: application and software security, EDR and antivirus evasion, C2 setup, automation and scaling of security testing, Active Directory attacks, etc. Demonstrated experience in capture the flag (CTFs) events, bug hunting or vulnerability research (CVEs) is a plus. You demonstrate an international mindset More ❯

Senior Penetration Tester (Inside IR35) Are you an SC cleared Penetration Tester looking for a new long term contract role? We are working with a government client looking for a Senior Penetration Tester to act as a benchmark on the quality of the penetration testing team. This role is based 4 days a … ongoing technical capability for the organisation Coaching team leaders to provide ongoing technical and leadership support Provide technical advice to project teams If you are a senior SC cleared Penetration Tester looking for a new role, please apply now! Carbon60, Lorien & SRG – The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. More ❯

Social network you want to login/join with: Penetration Tester, Watford, Hertfordshire Client: Network IT Recruitment Limited Location: Watford, Hertfordshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 6 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: If you're looking 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 personally). What you'll be doing Deliver high-quality penetration …/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 Salary up More ❯

Our client is seeking a Senior Penetration Tester to join their growing security team. This is a unique opportunity to work a genuine 4-day week (no compressed hours) -giving you 79 extra days off a year -while focusing on high-quality, service-led testing and client relationships. This isn't your typical offensive security role. You'll … in both delivery and pre-sales, working closely with clients and internal sales teams to shape secure outcomes-not just find vulnerabilities. Key Responsibilities Deliver web, infrastructure, and cloud penetration testing with a business-focused approach. Act as a technical advisor in pre-sales , helping scope work and educate internal sales teams on testing services. Build strong client relationships … translating technical findings into clear, actionable recommendations. Champion security best practices and support remediation discussions. Mentor junior testers and contribute to continuous service improvement. Requirements CREST Registered Tester or equivalent (e.g., OSCP with CREST equivalency). 4 years' experience in penetration testing, preferably in a mission led environment. Strong communication and report writing skills. Experience working with sales More ❯

employees are remote workers, but that doesn't stop us keeping in touch and maintaining a strong positive culture amongst our whole team. About the role The role of Penetration Tester is responsible for identifying vulnerabilities in Youth4Youth’s systems, applications, and infrastructure. This involves simulating cyberattacks, conducting security assessments, documenting findings, and recommending mitigations. The role requires … communication with other Youth4Youth team members, developing test strategies for penetration testing, executing tests, analysing results, and creating detailed reports on security weaknesses and solutions. Responsibilities Perform security-focused testing of Youth4Youth’s applications, including vulnerability assessments and penetration testing. Experience with web and chat-based applications. Collaborate with developers to validate fixes and retest vulnerabilities. Regularly liaise … exploited and remediation steps. Skills Excellent problem-solving and communication skills to engage with team members. Understanding of OWASP Top 10 vulnerabilities and secure web application development. Experience with penetration testing tools such as Burp Suite, OWASP ZAP and Nikto. Experience with vulnerability reporting, including risk assessment and remediation guidance. Awareness of data protection principles, GDPR and ethical hacking More ❯

will have the ability to take initiative, learn quickly on the job and deal with issues as they arise in a high-pressure environment. You will be an enthusiastic tester with a few years of experience under your belt. You’ll be passionate about, and proud of, working in the security industry, and be constantly researching the latest vulnerabilities … with both government and private sector clients. You will be part of a talented and collaborative international team who are positioning Resillion as an industry leader in delivery of penetration testing services. You will contribute to our thought leadership on various social media platforms and industry events. You will be expected to assist in enforcing the highest standards of More ❯

Social network you want to login/join with: If you're looking to join an established organisation expanding their penetration testing capabilities. As part of this strategic investment I'm now on the lookout for a number of experienced penetration testers to join the team. This is a genuine opportunity for a penetration tester to … of testing disciplines with full investment for training & certifications (including those you personally want to go for) this could be for you. What you'll be doing As a penetration tester you will deliver high-quality tests across a range of environments: Internal/External Infrastructure WebApp, API's Hardware & Embedded Software Produce clear, concise and actionable reports … for both technical and none technical audiences. Ability to work on your own or collaboratively alongside a skilled team of penetration testers. Engage with clients and internal stakeholders to explain finding and remediation steps wherever appropriate. What's in it for you? Remote first culture - work from anywhere in the UK Salary up to £60,000, depending on experience. More ❯

Social network you want to login/join with: Penetration Tester, crawley, west sussex col-narrow-left Client: Network IT Recruitment Limited Location: crawley, west sussex, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: If you're looking to join an … established organisation expanding their penetration testing capabilities. As part of this strategic investment I'm now on the lookout for a number of experienced penetration testers to join the team. This is a genuine opportunity for a penetration tester to deliver impactful testing work - without getting side lined with adjacent tasks or red tape! If you … of testing disciplines with full investment for training & certifications (including those you personally want to go for) this could be for you. What you'll be doing As a penetration tester you will deliver high-quality tests across a range of environments: Internal/External Infrastructure WebApp, API's Hardware & Embedded Software Produce clear, concise and actionable reports More ❯

If you're looking to join an established organisation expanding their penetration testing capabilities. As part of this strategic investment I'm now on the lookout for a number of experienced penetration testers to join the team. This is a genuine opportunity for a penetration tester to deliver impactful testing work - without getting side lined with … of testing disciplines with full investment for training & certifications (including those you personally want to go for) this could be for you. What you'll be doing As a penetration tester you will deliver high-quality tests across a range of environments: Internal/External Infrastructure WebApp, API's Hardware & Embedded Software Produce clear, concise and actionable reports … for both technical and none technical audiences. Ability to work on your own or collaboratively alongside a skilled team of penetration testers. Engage with clients and internal stakeholders to explain finding and remediation steps wherever appropriate. What's in it for you? Remote first culture - work from anywhere in the UK Salary up to £60,000, depending on experience. More ❯

Role: Penetration Tester Location: London Salary: £45k - £60k Work Pattern: On-Site For 3 Months and Then 3 Days On-Site/2 Days WFH Skillset: OWASP, Cloud Platforms, SSL/TLS Summary An elite security consultancy has a brand new role for an experienced Penetration Tester to join their team. The role is being offered … Cloud Platforms OSI Model Benefits Annual Training and Development Plans Regular Performance Reviews Industry Events and Conferences Hybrid Working After Probation Period Apply Now! If you are an experienced Penetration Tester and you are looking to progress with an organisation alongside ambitious and driven professionals, then look no further - this is the role for you! Referrals: If this … Email: to recommend someone for this role. Interviews for this role will be held imminently. To be considered, please send your CV to me now to avoid disappointment. Role: Penetration Tester Location: London Salary: £45k - £60k Work Pattern: On-Site For 3 Months and Then 3 Days On-Site/2 Days WFH Skillset: OWASP, Cloud Platforms, SSL More ❯

Pattern: On-Site For 3 Months and Then 3 Days On-Site/2 Days WFH Summary An elite security consultancy has a brand new role for an experienced Penetration Tester to join their team. The role is being offered on a permanent basis from their central London office, close to major transport links. You will be tasked … Previous Testing Experience OWASP Web Applications Testing Methodology OSI Model Annual Training and Development Plans Regular Performance Reviews Industry Events and Conferences Apply Now! If you are an experienced Penetration Tester and you are looking to progress with an organisation alongside ambitious and driven professionals, then look no further - this is the role for you! Referrals: Interviews for More ❯

Pattern: On-Site For 3 Months and Then 3 Days On-Site/2 Days WFH Summary An elite security consultancy has a brand new role for an experienced Penetration Tester to join their team. The role is being offered on a permanent basis from their central London office, close to major transport links. You will be tasked … Web Applications Testing Methodology SSL/TLS , HTTP OSI Model Annual Training and Development Plans Regular Performance Reviews Industry Events and Conferences Apply Now! If you are an experienced Penetration Tester and you are looking to progress with an organisation alongside ambitious and driven professionals, then look no further – this is the role for you! Referrals: If this More ❯

We’re a tight-knit team of UK-based cyber security professionals delivering high-quality, consultative penetration testing to companies of all sizes, from scaling startups to established names. We focus on real risk, clear communication, and delivering value that actually helps clients stay secure. Right now, we’re growing, and we’re looking for someone technical, capable, and … collaborative to join us. You won’t be just another tester churning through engagements. We’re not about conveyor belt consulting. We’re building a delivery team with autonomy, purpose, and pride in the craft, and this is your chance to help shape that from the ground up. What You’ll Be Doing Delivering penetration testing engagements, mostly More ❯