{"id":2246506,"url":"https://alion.io/job/scytalys-system-engineer","title":"System Engineer","company":{"id":4382604,"name":"SCYTALYS","domain":"scytalys.com","url":"https://alion.io/company/scytalys","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Néo Psychikó, Greece"],"countries":["GR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-11T02:05:50Z","employer_posted_date":"2026-10-11","last_verified_at":"2026-10-12T02:47:58Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"EFA GROUP comprises companies in Aerospace, Security, Defense, and Industrial Cooperation with a solid international presence. EFA GROUP currently employs more than 400 people, the majority of whom are engineers and scientists. Headquartered in Greece, the Group maintains a strong international presence across Europe (Cyprus, Belgium, Switzerland, Estonia, and Germany), Asia (Singapore, Indonesia, and South Korea), the Middle East (UAE), and the United States, serving customers in 34 countries worldwide.\nThe GROUP includes EFA VENTURES (Supply Chain Management and integrated services), AEROSPACE VENTURES (Industrial Participation and related services), SCYTALYS (Systems Integration and Software), ES SYSTEMS (MEMs & IoT Integration), EPICOS (Global Defense B2B Information Platform), UCANDRONE (Unmanned Systems), AETHER AERONAUTICS (Target Drones), STHENOS AI (Intelligence Solutions), THYREOS CYBER (cyber security) , SUPERIOR AIR (aviation services and specialized aerial missions), SSMART (defense hardware - software production and services).\nSCYTALYS is a leading defense software development and systems integration company, founded in Greece in 1993. Serving customers in the Aerospace, Defense, and Security sectors, the company delivers advanced software solutions focused on interoperability, situational awareness, and mission effectiveness. Its expertise spans Tactical Data Links, Command & Control (C2/C4I) Systems, Training, Testing & Simulation, and Surveillance & Reconnaissance solutions.\nThe Role\nSCYTALYS is looking for a skilled and motivated System Engineer to support the design, integration, and lifecycle management of complex systems and systems-of-systems.\nKey Responsibilities\nAnalyze stakeholder needs and operational requirements to support system and subsystem definition\nDevelop and maintain system architectures, requirements, interfaces, and design artifacts throughout the system lifecycle\nApply MBSE principles and support the management of system models and requirements traceability\nDefine, manage, and document system interfaces and interface control specifications\nSupport integration, verification, validation, and acceptance activities by preparing test and compliance documentation\nReview system designs and ensure alignment with requirements, architecture, and project objectives\nIdentify technical risks, trade-offs, and performance considerations and support mitigation activities\nSupport system deployment, installation, and customer acceptance activities\nCollaborate with multidisciplinary engineering teams to ensure successful system delivery\nContribute to the continuous improvement of systems engineering processes and methodologies\nRequirements\n3+ years of experience in Systems Engineering\nBSc in Computer Science, Electrical/Electronics Engineering, Systems Engineering, or a related field\nExperience in one or more of the following areas: Requirements Engineering, System Architecture & Design, MBSE, Integration Planning, or Verification & Validation\nExperience supporting technical specifications, requirements decomposition, and system design activities\nWorking knowledge of system architecture principles, frameworks, and methodologies\nFamiliarity with MBSE principles and SysML or similar modeling tools\nKnowledge of system interfaces and structured data formats such as XML and JSON\nBasic understanding of relational and non-relational databases\nFamiliarity with Windows and Linux environments\nUnderstanding of computer networking concepts and architectures\nWillingness to travel to customer sites when required\nFluency in English","description_format":"text","description_chars":3602,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-11T02:05:50Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring 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