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
Skills Required
- Degree in Engineering, Computer Science, or a related discipline with a cybersecurity major
- At least 3 years of proven cybersecurity experience
- Strong knowledge of cybersecurity solutions including IAM, PAM, SIEM, EDR, keys, and firewalls
- Experience with cybersecurity architecture design and integration
- Knowledge of the systems engineering lifecycle and relevant standards, such as ISO/IEC 15288
- Experience in vulnerability management and threat modeling
- Independent judgment and decision-making capability
- Very good written and oral English proficiency
- Availability to travel abroad
- Postgraduate studies in cybersecurity
- Cybersecurity industry qualifications such as CISSP, CompTIA Security+, CCNA Security, GIAC, or SABSA
- Experience with system hardening and hardening reviews based on CIS Benchmarks or DISA STIG frameworks
- Knowledge of ISO 27001 foundational requirements
- Experience in air traffic management and related ICAO, Eurocontrol, or safety-critical systems standards
Thales Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Thales and has not been reviewed or approved by Thales.
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Retirement Support — Retirement plans with employer contributions and matches, profit sharing, and share purchase opportunities are emphasized across multiple regions. These elements are positioned as competitive components of total rewards.
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Leave & Time Off Breadth — Generous PTO that increases with tenure, paid holidays, and paid military, maternity, and paternity leave are described. This breadth supports work–life balance across locations.
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Flexible Benefits — Hybrid work options, flexible schedules, and parental supports such as childcare benefits and leave for sick children are available in several markets. Flexibility is presented as a core part of the employee experience.
Thales Insights
What We Do
Thales is a global high technology leader investing in digital and “deep tech” innovations – connectivity, big data, artificial intelligence, cybersecurity and quantum technology – to build a future we can all trust, which is vital to the development of our societies. The company provides solutions, services and products that help its customers – businesses, organisations and states – in the defence, aeronautics, space, transportation and digital identity and security markets to fulfil their critical missions, by placing humans at the heart of the decision-making process.
