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Thales

Cyber Security Engineer - Air Traffic Management

Thales Paço de Arcos, Portugal

Defense and Space Manufacturing · 10,001+ employees

6 d ago
security Mid (2-5 yrs) Full-time Portugal
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About the role

Develop compliant security architectures, lead the design and integration of security components, and assess risks and alternative solutions. Coordinate security work across teams and suppliers, produce documentation for accreditation and certification, and support bids and delivery planning.

What they look for

Cybersecurity Architecture Security Requirements Analysis SIEM Identity and Access Management Privileged Access Management Endpoint Detection and Response Firewall Security Gateways Vulnerability Management Threat Modeling Risk Assessment Systems Engineering Lifecycle Security Hardening NIST ISO Standards Technical Documentation

Requirements

Requires a degree in engineering, computer science, or a related discipline with a cybersecurity major, plus at least three years of cybersecurity experience. Candidates should have knowledge of security solutions and architecture, systems engineering standards, vulnerability management, and threat modeling; English proficiency and availability for international travel are mandatory.

Full description

Location: Paço de Arcos - Q45, Portugal

For more than 35 years, Thales acts in Portugal for global Defense and Aerospace markets and promotes and delivers innovative solutions that enhance its customer’s critical systems´ security, on land, sea, air, space and cyberspace, through a technical team of excellence.

If you want to be part of Thales in Portugal and have experience as a Cyber Security Engineer, this is the right opportunity for you!

Responsibilities:

  • Analyze security requirements and constraints to develop high-level, compliant security architectures;
  • Lead the design and technical development of security components such as SIEM, IAM, gateways, and detection/deception systems;
  • Ensure architectural solutions align with business policies and major cybersecurity frameworks (e.g., NIST, ISO);
  • Conduct risk assessments, study alternative solutions, and justify architectural choices;
  • Coordinate technical security efforts across multidisciplinary teams;
  • Produce architecture and engineering reports, specifications, and documentation to support accreditation and certification processes;
  • Collaborate with cyber suppliers and vendors to assess and select appropriate security products;
  • Support pre-sale and sales activities by providing cybersecurity expertise for bids and proposals;
  • Translate customer security requirements into actionable delivery plans.

What We’re Looking For:

  • Degree in Engineering, Computer Science or related discipline majoring in Cybersecurity;
  • 3+ years of proven experience in the Cybersecurity field;
  • Strong knowledge in Cybersecurity solutions (e.g. IAM, PAM, SIEM, EDR, Keys, Firewall), architecture design and integration;
  • Knowledge of Systems Engineering Lifecycle and relevant standards (eg. ISO/IEC15288);
  • Experience in vulnerability management and threat modelling;
  • Sound judgement and independent decision-making capability where necessary;
  • Very good written and oral proficiency in English (mandatory)
  • Availability to travel abroad.

Nice to Have:

  • Postgraduate studies in Cybersecurity;
  • Cyber Industry qualifications (e.g. CISSP, CompTIA Security+, CCNA Security, GIAC, SABSA or
  • similar);
  • Experience in system hardening and hardening review based on CIS Benchmarks or DISA STIG
  • frameworks;
  • Knowledge of ISO 27001 foundational requirements;
  • Experience in ATM Domain and related standards (eg. ICAO, Eurocontrol , or safety critical systems).

 

The Group invests more than €4.5 billion per year in Research & Development in key areas, particularly for critical environments, such as Artificial Intelligence, cybersecurity, quantum and cloud technologies.

In 2025, the Group generated sales of €22.1 billion.

For our more than 85,000 employees in 65 countries we open up visionary perspectives, realise individual career paths and enable creative freedom. This is achieved with courage, versatility and the firm intention to make the demanding challenges of our time safer and more inclusive. With our sustainable value-focused management we support diversity actively.

If you are interested send you CV in English.

Say HI* – Your journey to us

At times of change our international teams are ready to meet the complexity of today with the industry-leading technologies of tomorrow. Will you be part of it? Your contact Jéssica Carrasqueira is looking forward to your online application on our Career portal.

Jéssica Carrasqueira – Talent Acquisition Partner

#LI-JC1 #LI-HYBRID

*Human Intelligence

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