Pentester & Red Team Specialist — Hybrid (Lisbon)

Claranet Portugal; Lisboa; Hybrid; EUR 50,000 - 75,000; Full time

Benefits offered by this job

Certification paths

Team building programs

Friendly workplace

Job summary

Claranet Portugal in Lisbon is seeking an experienced Pentester / Red Team Specialist to join our internal security team. You will perform hands-on testing across infrastructures, web apps, APIs, and cloud environments, validating vulnerabilities and real-world attack paths, and producing actionable reports.

You will leverage OWASP, PTES, NIST, and MITRE ATT&CK frameworks, work with Burp Suite, Nmap, and Metasploit, and contribute to playbooks and tooling.

Qualifications

• 3 to 5 years of experience in penetration testing, offensive security or red teaming.
• Hands-on testing of infrastructure, web apps and APIs using industry tools.
• Knowledge of OWASP Top 10, OWASP WSTG, PTES, NIST and MITRE ATT&CK.

Responsibilities

• Perform penetration tests on infrastructures, web apps, APIs, and cloud environments.
• Identify attack vectors, validate vulnerabilities, assess attack paths.
• Produce clear technical reports with mitigations.
• Present results to customers and discuss remediation.
• Lead security assessments from planning to delivery.

Skills

Penetration testing

Red Teaming

Security assessments

Vulnerability analysis

Report writing

Education

OSCP / OSWE / OSWA or equivalent

Tools

Burp Suite

Nmap

Metasploit

Manual testing

Job description

Claranet Portugal in Lisbon is seeking an experienced Pentester / Red Team Specialist to join our internal security team. You will perform hands-on testing across infrastructures, web apps, APIs, and cloud environments, validating vulnerabilities and real-world attack paths, and producing actionable reports.

You will leverage OWASP, PTES, NIST, and MITRE ATT&CK frameworks, work with Burp Suite, Nmap, and Metasploit, and contribute to playbooks and tooling.