Cobalt Core Pentester - UK, Germany, Nordics

name
Remote Denmark, Finland, Germany, Iceland, Norway, Sweden, United Kingdom Full-time 🌐 English
NA
Experience: Mid-level
Added to JobCollate: May 20, 2026

Source: Himalayas

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This role involves performing manual penetration testing on web, mobile, and network applications as part of the Cobalt Core community. It requires 4+ years of experience and offers a collaborative environment for security professionals to engage directly with clients on diverse assessment projects.

Job Description

Who We AreThe Cobalt Core is a community of highly skilled security pentesters who are passionate about what they do and who are always striving to be at the top of their game. This curated community is made up by security professionals with many years of experience as well as talented pentesters who are eager to learn the trade and show their skills. They all have a strong drive to keep up to date on the latest vulnerabilities and exploits, and the tools and methodologies to find them. A member of the Cobalt Core believes that sharing ideas and collaborating with peers is the best way to achieve good results. If you believe you would be a good fit to join the Cobalt Core, and you are eager to contribute to the community and participate in the Pentests running on Cobalt please apply.Please note, this application is for candidates residing in the UK, Germany, and Nordic countires.If you are currently residing in the USA, please apply here. If you currently reside outside the USA, UK, Germany, or the Nordics please apply here. Who You Are4+ years of Pentesting or similar experience (mid-level). Professional demeanorRespectful towards othersTake pride in the work you produceStrong work ethic with attention to detailDesire to be an expert within your fieldDeep understanding of application securityAbility to communicate effectivelyCollaborative spiritWhat You'll DoPerform manual penetration testing of web applications, APIs, internal and external networks, iOS and Android mobile applicationsWork as a member of a pentest team, collaborating and engaging directly with the clientDocument in detail the results of assessments, audits, tests, and verification activitiesPerform manual validation of vulnerabilitiesPerform mobile and web app pentesting for OWASP top 10 vulnerabilities.The following certifications are a plus:CREST, PenTest+, GPEN, CEH, OSCP, AWS, CISSP, eCPPT, eWAPT, OSCE, OSWEPlease note that this is a freelance, part-time position.Application Process: Applicants need only apply once and may not receive a response from our team. We review applications on a rolling basis and will reach out to a candidate should there be a mutual alignment. Repeated inquiries after applying and across social media is not favorable.Application - Becoming part of the Cobalt Core is a highly selective process, and only the best applicants will be invited to next steps in the on boarding process. Preference will be given to applicants who come referred by other Cobalt Core pentesters. Chat with a Cobalt representative - Get to know about Cobalt and how we work. We will also want to know about you, your experience, strengths and what drives you. If we all think it's a great fit, we will explore how we can work together!Technical Skills Assessment to demonstrate your technical acumen and reporting. Getting setup on the Cobalt platform + Background Check & ID Verification - In this step we will make sure you are all set up for success, and we will also ask you to pass a Background Check & ID Verification.Start working on cool projects!Please note that this is not an entry level position.Originally posted on Himalayas

Full Description

Who We AreThe Cobalt Core is a community of highly skilled security pentesters who are passionate about what they do and who are always striving to be at the top of their game. This curated community is made up by security professionals with many years of experience as well as talented pentesters who are eager to learn the trade and show their skills. They all have a strong drive to keep up to date on the latest vulnerabilities and exploits, and the tools and methodologies to find them. A member of the Cobalt Core believes that sharing ideas and collaborating with peers is the best way to achieve good results. If you believe you would be a good fit to join the Cobalt Core, and you are eager to contribute to the community and participate in the Pentests running on Cobalt please apply.Please note, this application is for candidates residing in the UK, Germany, and Nordic countires.If you are currently residing in the USA, please apply here. If you currently reside outside the USA, UK, Germany, or the Nordics please apply here. Who You Are4+ years of Pentesting or similar experience (mid-level). Professional demeanorRespectful towards othersTake pride in the work you produceStrong work ethic with attention to detailDesire to be an expert within your fieldDeep understanding of application securityAbility to communicate effectivelyCollaborative spiritWhat You'll DoPerform manual penetration testing of web applications, APIs, internal and external networks, iOS and Android mobile applicationsWork as a member of a pentest team, collaborating and engaging directly with the clientDocument in detail the results of assessments, audits, tests, and verification activitiesPerform manual validation of vulnerabilitiesPerform mobile and web app pentesting for OWASP top 10 vulnerabilities.The following certifications are a plus:CREST, PenTest+, GPEN, CEH, OSCP, AWS, CISSP, eCPPT, eWAPT, OSCE, OSWEPlease note that this is a freelance, part-time position.Application Process: Applicants need only apply once and may not receive a response from our team. We review applications on a rolling basis and will reach out to a candidate should there be a mutual alignment. Repeated inquiries after applying and across social media is not favorable.Application - Becoming part of the Cobalt Core is a highly selective process, and only the best applicants will be invited to next steps in the on boarding process. Preference will be given to applicants who come referred by other Cobalt Core pentesters. Chat with a Cobalt representative - Get to know about Cobalt and how we work. We will also want to know about you, your experience, strengths and what drives you. If we all think it's a great fit, we will explore how we can work together!Technical Skills Assessment to demonstrate your technical acumen and reporting. Getting setup on the Cobalt platform + Background Check & ID Verification - In this step we will make sure you are all set up for success, and we will also ask you to pass a Background Check & ID Verification.Start working on cool projects!Please note that this is not an entry level position.Originally posted on Himalayas

Required Skills

Penetration-Testing Cybersecurity Information-Security Application-Security Network-Security