
Location: Leca do Balio, Portugal
About the role
We are seeking an experienced Offensive Security Manager to lead and coordinate penetration testing, red teaming, and adversary simulation activities across the organization. You will manage offensive security operations end-to-end while collaborating closely with Incident Response (DFIR), Threat Hunting, SOC, Threat Intelligence, and Security Leadership to strengthen cyber resilience.
Lead and manage offensive security engagements: pentests, red team operations, purple team exercises, and security validation
Coordinate with DFIR/SOC/Threat Intel/Security Engineering during cyber incidents to provide adversary-focused technical guidance.
Define and improve methodologies, playbooks, reporting standards, testing procedures, and risk prioritization aligned with enterprise security objectives.
Translate technical findings into clear, actionable recommendations for engineering teams and executive-level reporting
Mentor and develop offensive security professionals; ensure quality delivery, stakeholder alignment, and continuous improvement.
Own planning and governance: scope definition, timelines, communication, and delivery assurance for complex assessments.
What you bring
Required
Nice to have
Certifications (preferred)
What we offer
YOUR CAREER AT THALES
Future opportunities will allow you to discover other domains or sites. You will be able to evolve and grow your competences in different areas:
Room and attention to personal development
Build your talents in another domain of Thales Group, discovering new products, new customers, new country or go to a more complex Solution
Choose between a technical expertise or a leadership path
Build an international career within a leading Engineering Group

Thales (Euronext Paris: HO) is a global leader in advanced technologies for the Defence, Aerospace, and Cyber & Digital sectors. Its portfolio of innovative products and services addresses several major challenges: sovereignty, security, sustainability and inclusion.
The Group invests more than €4 billion per year in Research & Development in key areas, particularly for critical environments, such as Artificial Intelligence, cybersecurity, quantum and cloud technologies.
Thales has more than 83,000 employees in 68 countries. In 2024, the Group generated sales of €20.6 billion.