Offensive Security Engineer – Pentesting, DevSecOps

Job not on LinkedIn

🔥 1 hour ago

🇦🇷 Argentina – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 16%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Just posted.
• Jobs at this company usually fill in 41 days.
• No salary listed.

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Klar

WebsiteLinkedInAll Job Openings

51 - 200 employees

🏗️ Construction

🏭 Manufacturing

🛒 Retail

Construction • Manufacturing • Retail

Klar is a company based in Denmark that specializes in the design and sale of high-quality windows and doors. They offer a wide range of customizable products, including Dannebrog windows, Bondehus windows, and various types of doors such as terraced and facade doors. Klar provides options for both outward and inward opening windows, and they emphasize affordability by bypassing costly intermediaries. They boast up to a 12-year warranty on their products and use FSC-certified wood produced in the EU. Klar operates through a digital showroom and provides comprehensive customer service. Products are available in Denmark and neighboring countries like Norway and Sweden. Their focus on excellent service and competitive pricing is reflected in their high Trustpilot ratings from satisfied customers.

📋 Description

• Own end-to-end penetration testing engagements across Klar's web applications, APIs, and backend services, from identifying vulnerabilities to validating remediation • Work on security challenges in a fintech environment, protecting financial products, sensitive customer data, and critical business operations • Conduct in-depth manual security assessments beyond automated scanning • Explore attack scenarios and identify vulnerabilities automated tools may miss • Collaborate with engineering teams to explain security findings and assess potential impact • Help design practical, sustainable remediation solutions • Share offensive security insights to support security-by-design and earlier vulnerability prevention • Improve security testing through automation, testing methodologies, and continuous process improvements • Influence security practices with meaningful ownership and autonomy

🎯 Requirements

• Proven experience performing manual penetration testing on web applications, REST APIs, and backend services • Strong understanding of OWASP Top 10 and OWASP API Security Top 10 • Hands-on experience identifying and exploiting authentication, authorization, IDOR/BOLA, SSRF, injection, and business logic vulnerabilities • Advanced proficiency with Burp Suite and offensive security tools • Ability to review source code and identify security vulnerabilities • Practical knowledge of DevSecOps, CI/CD pipelines, and Secure SDLC practices • Familiarity with SAST, DAST, and SCA security tools • Experience with GitHub, GitHub Actions, or similar CI/CD platforms • Scripting and automation skills using Python or Bash • Experience collaborating with software engineers to remediate vulnerabilities • AWS and Cloud Security experience • Knowledge of Docker, Kubernetes, and Terraform • Experience with Semgrep, Snyk, SonarQube, Checkmarx, or similar tools • Participation in Bug Bounty programs, CTF competitions, or vulnerability research • Certifications such as OSCP, OSWE, eWPTX, or equivalent • Previous experience in fintech, banking, or financial services • Strong offensive security mindset and technical curiosity • Ability to independently conduct end-to-end penetration testing engagements • Experience demonstrating the real-world impact of security vulnerabilities • Strong risk assessment and prioritization skills • Effective communication with engineering teams • A proactive approach to security automation and continuous improvement

🏖️ Benefits

• Competitive salary based on performance and experience • Chance of earning Klar stock options • 26 days of paid vacation per year • Computer devices • Sponsored coaching and therapy sessions via Mantra Care • International work environment with amazing and highly skilled people • A world class team that helps you evolve your skills in areas you're interested in • Safe, welcoming, diverse, and inclusive environment

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