Pentester

Cyber Defence is a fast-growing cybersecurity company on a mission to protect digital assets and build client trust through robust, ethical, and forward-thinking cyber practices. From our office in Pueblo Nuevo, we serve clients across the UK, Spain, and beyond, working with CREST-certified practices and delivering government-grade security services. https://cyber-defence.io/ What You’ll Be Doing As a Pentester at Cyber Defence, you'll play a key role in simulating attacks to identify system vulnerabilities across networks, applications, and cloud infrastructure. This is a hands-on technical role with a strategic impact on our clients' resilience and regulatory compliance. Plan and execute manual and automated penetration tests across web apps, networks, and APIs. Perform internal and external vulnerability assessments. Create comprehensive reports on findings with clear mitigation guidance. Collaborate with SOC Analysts, DevSecOps, and IT teams to implement remediations. Stay updated on the latest attack vectors and security research. Support Red Team and Purple Team exercises. Assist with incident response investigations when needed. Must-Haves 3+ years of experience in penetration testing or offensive security. Strong understanding of common vulnerabilities (OWASP Top 10, MITRE ATT&CK). Proficiency in tools such as Burp Suite, Nmap, Metasploit, Nessus, and Wireshark. Experience with scripting languages (Python, Bash, PowerShell). Excellent written and verbal communication (English). Eligibility to work in Spain and occasional travel if required. Nice-to-Haves CREST CRT or equivalent (OSCP, OSWE, CEH, etc.). Experience with cloud pentesting (AWS, Azure, GCP). Familiarity with compliance standards (ISO 27001, GDPR, NIST, PCI DSS). English & Spanish language skills. ​ Be part of a mission-driven cybersecurity firm with global impact. Work alongside CREST-certified experts and forward-thinking leadership. Professional development budget & certification support. On-site work with flexibility (based out of Pueblo Nuevo office). Vibrant office culture near the coast – good vibes only!