Pentester/ Red Team Specialist
About this role
We're fast
learners, hard workers, natural collaborators... and we Make Modern Happen!
Our
ambition is to unlock the potential of our digital world so that organisations
everywhere can innovate and thrive securely.
We aim to
achieve this goal by bringing together the world’s most talented people and the
most powerful technologies, combining them to address our customers' challenges
and to build something stronger together.
If you
share our vision, join us!
Right now,
we are looking for a Pentester/ Red Team Specialist to
integrate our internal team, based in Lisbon/Porto.
Your
responsibilities include:
- Conducting
penetration tests on internal and external infrastructures;
- Performing web application testing across different types of applications and
environments;
- Identifying, validating, and safely exploiting vulnerabilities;
- Technical analysis of attack surfaces and identification of potential
compromise vectors;
- Producing clear, structured, and actionable technical reports, including
evidence and mitigation recommendations;
- Supporting risk prioritization based on impact and exploitability;
- Using recognized methodologies for planning, executing, and reporting offensive
security exercises;
- Collaborating with the broader technical team to continuously improve
approaches, playbooks, and best practices;
- Participating, when applicable, in Red Team–aligned initiatives, detection
validation, and adversarial technique simulation;
- Debriefing: Technical discussion of results with clients’ IT and security teams.
You must
have:
- 2 to 4
years of experience in pentesting, offensive security, red teaming, or equivalent roles,
or practical experience that clearly demonstrates technical maturity and execution capability. - Proven experience in:
Penetration testing of internal and external infrastructures;
Security testing of web applications;
Validation and controlled exploitation of vulnerabilities;
Production of technical reports; - Practical knowledge of methodologies, standards, or frameworks such as:
OWASP;
PTES;
NIST;
MITRE ATT&CK; - Familiarity with pentesting, enumeration, exploitation, and technical
validation tools;
- Ability to critically interpret results, distinguish false positives,
and justify technical conclusions;
- Experience with Windows, Linux, and Networking environments, with a
solid understanding of services, authentication, segmentation, and asset
exposure.
We value:
- Active
Directory (on‑prem / cloud);
- APIs;
- Mobile pentesting;
- Wi‑Fi assessment;
- Scripting skills for automation, exploitation support, or development
of internal tools;
- Exposure to exercises oriented toward adversary simulation or
detection control validation;
- Relevant offensive security certifications;
- Experience in technical communication with clients or internal teams;
- Ability to contextualize vulnerabilities within the real business
environment and the evaluated architecture.
We offer:
- Salary
package according to the function to be performed and with demonstrated
experience;
- Integration
into a young, solid, ambitious and motivated team;
- Participation
in technologically challenging environments;
- Training.
Workplace: Lisbon/Porto - Hybrid
Company at a glance
Claranet Portugal is the Portuguese market leader in Information Technologies and a specialist in Cloud, Workplace, Applications, Data & AI and Security solutions and managed services.
Founded in 1996, Claranet Portugal has evolved from an innovative and pioneering Internet Service Provider to an independent Managed Services Provider, with around 1,000 employees operating from two offices (Lisbon and Porto) and two datacentres.
More than 2,200 business customers trust Claranet Portugal to modernise, design, implement and operate their applications, critical infrastructures and data securely, 24x7. It works closely with the world's most influential technology companies, creating innovative services with the best solutions and tools provided by its Strategic Partners.
More information at claranet.com/pt
Top Benefits
- Salary package according to experience
- Training
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