Cybersecurity Engineer for IRIS²

ATG Europe; Madrid; Presencial; EUR 65.000 - 90.000; Jornada completa

Descripción de la vacante

ATG Science & Engineering S.L. is seeking a Cybersecurity Engineer IRIS² for work in Arganda del Rey (Madrid) or Noordwijk. You will review flight and ground security architectures, tailor requirements, and design secure systems with emphasis on encryption, key management, and accreditation.

You will support audits, perform penetration tests, and liaise with European institutions (ESA, EC, EUSPA). A strong background in cybersecurity engineering and ISO/IEC 27000/ECSS standards is required, with

Formación

• Bachelor's or Master's degree in telecommunications, network, or cybersecurity engineering.
• Minimum 5 years of cybersecurity engineering or secure encryption experience.
• Experience with institutional customers or national governmental institutions.
• Knowledge of encryption, secure authentication, authorization & accounting, KMF, SIEM, SOAR.
• Knowledge of ISO/IEC 27000-series security standards and ECSS.
• Security engineering experience in flight and ground infrastructure (on-board cryptographic units, secure SIMs, encryption, security centres).
• Experience with European institutions (EUSPA, EC, ESA) in space projects.

Responsabilidades

• Review documentation related to flight and ground architectural diagrams, requirements, and SOWs.
• Analyse cybersecurity requirements and contribute to finalisation.
• Tailor security requirements and flow them down to interfaces and subsystems.
• Design security architectures focusing on encryption, key management, and accreditation.
• Support security requirement-compliance analysis, vulnerabilities, and verification activities.
• Follow integration, testing, verification, validation, and propose treatment plans.
• Conduct authorised hands-on penetration tests to identify security flaws.
• Support cybersecurity audits and regular security upgrades for the system.
• Maintain and update Security Management Plan and related technical documents.
• Collaborate with project team and external stakeholders on security reviews.

Conocimientos

Cybersecurity

Encryption

Security architecture

Penetration testing

ISO/IEC 27000

Educación

Bachelor's or Master's Degree in Telecommunications Engineering, Network Engineering, Cybersecurity Engineering or a related field

Descripción del empleo

We are looking for a Cybersecurity Engineer IRIS² on behalf of and in support to our client for their location in Arganda del Rey (Madrid), Spain or Noordwijk, The Netherlands.

Please note, the successful candidate will be employed by ATG Europe (or one of its subsidiaries). Furthermore, upon selection, they will be subject to a general security screening performed by an external provider (further information will be provided at interview stage).

The successful candidate will be tasked with, but not limited to:

• Review functional and contractual documentation related to flight and ground architectural diagrams, requirement lists and Statements of Work;
• Analyse documentation from cybersecurity and information-protection perspectives, identify relevant requirements and contribute to its finalisation as appropriate;
• Tailor general security requirements and flow them down to interfaces and subsystems;
• Design, analyse and perform trade-offs on security architecture choices, with a focus on encryption technologies, Key Management Facilities and key distribution, together with their procurement and deployment, pursuing cost- and time-efficient accreditation;
• Support the project team on security requirement‑compliance analysis, implications for infrastructure implementation, identification of security flaws and vulnerabilities, and verification and validation activities;
• Follow system integration, testing, verification and validation, assess compliance with security requirements and propose treatment plans;
• Analyse the exploitability and impact of vulnerabilities and propose appropriate mitigations and countermeasures;
• Conduct authorised hands‑on penetration tests to identify security flaws;
• Support cybersecurity audits and the regular security upgrades required for the system;
• Support the development and maintenance of technical documents, including the Security Management Plan, end-to-end space‑system security architecture, security design and corresponding security requirements;
• Review, analyse and update security documentation together with the project team and external stakeholders;
• Contribute to the specification and review of implementation plans for operational sites from cybersecurity and information‑protection perspectives;
• Participate in the follow‑up of the procurement and implementation of industrial contracts, technology developments, laboratory tools and equipment;
• Foster new security application areas for multidisciplinary activities, emphasising innovative concepts, cutting‑edge technologies and system architectures in collaboration with European New Space companies;
• Own or contribute to the preparation and closure of institutional contract milestone reviews, including ESA and European Commission reviews;
• Report to the Programme Manager.

At ATG Science & Engineering S.L., we are firmly committed to equal opportunities and respect for diversity. The Equality Plan and active policies promote to foster an inclusive environment, free from discrimination. Regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, handicap (+33% certificado de discapacidad), or any other reason protected by relevant state or municipal legislation, we are pleased to consider all eligible candidates for employment.

• Bachelor's or Master's Degree in Telecommunications Engineering, Network Engineering, Cybersecurity Engineering or a related field;
• At least 5 years of experience in cybersecurity engineering activities or secure encryption, preferably in the satellite-communications domain;
• Proven experience working with institutional customers or national governmental institutions, particularly in security risk management, security threats and incidents, security vulnerabilities and malware analysis;
• Sound knowledge of security technologies, including encryption, secure Authentication, Authorisation and Accounting, Key Management Facilities, Security Information and Event Management, and Security Orchestration, Automation and Response;
• Sound knowledge of ISO/IEC 27000-series security standards and ECSS;
• Security-engineering experience in programmes covering flight and ground infrastructure, including on-board cryptographic units, secure SIMs, TM/TC encryption, satellite control centres, IT and data centres, 5G systems, OSS/BSS and terrestrial fixed and mobile networks;
• Knowledge of space security standards, particularly ECSS and CCSDS;
• Experience working with European institutions, including EUSPA, the European Commission and ESA, or equivalent organisations, in secure environments for European space projects;
• Experience working within the European regulatory environment for cybersecurity and accreditation is considered an asset;
• Possession of or eligibility to obtain an EU security clearance;
• Fluency in English, both written and spoken;
• Knowledge of any other European language is considered an asset.

• Due date: 2026-11-20