{"id":3053840,"url":"https://alion.io/job/thales-group-cyber-security-engineer-air-traffic-management","title":"Cyber Security Engineer - Air Traffic Management","company":{"id":143,"name":"Thales Group","domain":"thalesgroup.com","url":"https://alion.io/company/thales","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":83,"open_postings":260,"ghost_share":0.015,"stale_share":0.642,"repost_share":0.015,"time_to_fill_p50_days":49,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Paço de Arcos, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":31000,"max_usd":75000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":854},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"IAM","optional":false},{"name":"SIEM","optional":false},{"name":"CIS Benchmarks","optional":true},{"name":"ISO 27001","optional":true}],"status":"live","first_seen_at":"2026-10-14T00:00:00Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-11-05T12:27:55Z","board_verified":true,"closed_at":null,"days_open":22,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":22},"description":"Location: Paço de Arcos - Q45, PortugalFor 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.\nIf you want to be part of Thales in Portugal and have experience as a Cyber Security Engineer, this is the right opportunity for you!\nResponsibilities:\nAnalyze security requirements and constraints to develop high-level, compliant security architectures;\nLead the design and technical development of security components such as SIEM, IAM, gateways, and detection/deception systems;\nEnsure architectural solutions align with business policies and major cybersecurity frameworks (e.g., NIST, ISO);\nConduct risk assessments, study alternative solutions, and justify architectural choices;\nCoordinate technical security efforts across multidisciplinary teams;\nProduce architecture and engineering reports, specifications, and documentation to support accreditation and certification processes;\nCollaborate with cyber suppliers and vendors to assess and select appropriate security products;\nSupport pre-sale and sales activities by providing cybersecurity expertise for bids and proposals;\nTranslate customer security requirements into actionable delivery plans.\nWhat We’re Looking For:\nDegree in Engineering, Computer Science or related discipline majoring in Cybersecurity;\n3+ years of proven experience in the Cybersecurity field;\nStrong knowledge in Cybersecurity solutions (e.g. IAM, PAM, SIEM, EDR, Keys, Firewall), architecture design and integration;\nKnowledge of Systems Engineering Lifecycle and relevant standards (eg. ISO/IEC15288);\nExperience in vulnerability management and threat modelling;\nSound judgement and independent decision-making capability where necessary;\nVery good written and oral proficiency in English (mandatory)\nAvailability to travel abroad.\nNice to Have:\nPostgraduate studies in Cybersecurity;\nCyber Industry qualifications (e.g. CISSP, CompTIA Security+, CCNA Security, GIAC, SABSA or\nsimilar);\nExperience in system hardening and hardening review based on CIS Benchmarks or DISA STIG\nframeworks;\nKnowledge of ISO 27001 foundational requirements;\nExperience in ATM Domain and related standards (eg. ICAO, Eurocontrol , or safety critical systems).\nThe 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.\nIn 2025, the Group generated sales of €22.1 billion.\nFor 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.\nIf you are interested send you CV in English.\nSay HI* - Your journey to us\nAt 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? 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