{"id":4263419,"url":"https://alion.io/job/cepal-senior-data-scientist-2","title":"Senior Data Scientist","company":{"id":673478,"name":"Cepal","domain":"cepal.gr","url":"https://alion.io/company/cepal","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"role":"Data Science","role_family":"Data 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Learning","optional":false},{"name":"MLFlow","optional":false},{"name":"NumPy","optional":false},{"name":"pySpark","optional":false},{"name":"Python","optional":false},{"name":"Scikit-learn","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-13T16:13:59Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-13T16:13:59Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"The Senior Data Scientist is responsible for the development and deployment of predictive models, transforming complex data into scalable, high-impact analytical solutions.\nRequirements\nEducation, Experience and Technical Skills\nBachelor’s or Master’s degree in Computer Science, Engineering, Statistics, Mathematics or another quantitative discipline.\nMinimum 4 years of hands-on experience in Data Science, ΑΙ, Machine Learning or Advanced Analytics.\nProven experience designing and implementing end-to-end data science solutions for complex business problems.\nDemonstrated experience taking solutions from proof of concept to production, including testing, packaging, deployment, monitoring and continuous improvement.\nStrong hands-on programming experience in Python, including object-oriented programming, modular code design, exception handling, logging, unit testing and development of reusable, maintainable and production-ready solutions.\nAdvanced knowledge of SQL and experience working with large and complex datasets, including data extraction, transformation, validation and query optimization.\nHands-on experience with Databricks, Apache Spark and PySpark for large-scale data processing, analytics and development of scalable solutions.\nFamiliarity with AWS cloud environments and services supporting data storage, processing and application integration will be considered an advantage.\nStrong knowledge of machine learning and data science libraries, including pandas, NumPy, scikit-learn and MLflow.\nExperience with Git-based development, version control, code reviews, CI/CD practices, model deployment, monitoring and lifecycle management.\nCompetencies\nOwnership and accountability, responsibility for decisions and commitment to results \n Adaptability and innovation, openness to change and continuous learning \n Customer focus, understanding needs and building strong relationships \n Proactivity and initiative, problem solving and opportunity identification \n Professional ethos, alignment with values and compliance standards \n Collaboration, teamwork and effective stakeholder relationships \n Business and strategic thinking, growth opportunities and long-term planning \n Leadership, role modeling, high standards and performance recognition\nBenefits\nHere’s what you can look forward to as part of the #CepalTeam:\nCompetitive Compensation : We offer an attractive salary, annual performance-based bonuses, and a monthly meal allowance through our ticket restaurant card.\nHealth: Private medical insurance is provided for you and your family.\nFamily Support: Monthly financial allowance for early education (nursery) and coverage of expenses for children with neurodiversity or disabilities-including therapeutic swimming, music therapy, horse riding, and parental support.\nFlexible Work Model: Our hybrid approach offers a level of remote work flexibility that supports work-life balance while preserving strong collaboration and team spirit.\nModern Workspaces: Contemporary offices designed to support comfort, health, and productivity, with fully equipped workstations, quiet areas, on-site restaurant, and group fitness sessions .\nLifelong Learning: Cepal supports continuous learning through access to e-learning platforms and structured professional development programs.\nCareer Progression: We are committed to your growth, offering a clear development path supported by feedback, mentoring, and personalized learning plans.\nMake a Difference: Get involved in regular wellbeing, ESG and volunteering initiatives that reflect our values and foster a sense of purpose and community. \nAt Cepal, we believe that inclusion is more than a value, it's a way of thinking and acting. 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