Senior Data Engineer

2 days ago

Letterkenny, Donegal, Ireland Optum Full time
Senior Data Engineer Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together. About the Role: As a Fortune 5 business, we're one of the world's leading healthcare companies. There are no limits here on the resources you'll have or the challenges you'll encounter.  We have been supporting global healthcare systems from Ireland and the UK for more than 20 years, building a dynamic and diverse team of more than 2,100 talented individuals. With a continued record of growth and stability, we're on the constant lookout for fresh talent to join our expanding teams. As a Senior Data Engineer you will be working on and bring you experience as a Data Engineer to the OPEN team's projects, assisting the team with mentoring and the development of more junior team members. In addition to having impact on a great team, you'll also discover the career opportunities you'd expect from an Industry Leader. Working Schedule: This is a full-time position with standard working hours of Monday – Friday, standard business hours. Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin office and telecommuting from a home-based office in a hybrid work model. Primary Responsibilities:
•    Design and build data pipelines (mostly in Databricks/Spark/DBT) to process terabytes of data
•    Orchestrate in Azure Data Factory/Airflow the data tasks to run on Databricks or Azure Container Instances for the ingestion, processing and cleaning of data.
•    Design build and maintain Azure Postgres database
•    Design build and maintain effective OLTP database optimization tactics to facilitate the processing of large numbers of concurrent updates
•    Create Docker images for various applications and deploy them on Azure
•    Design and build best in class processes to clean and standardize data.
•    Design and build tests in Great Expectations/DBT Elementary
•    Troubleshoot production issues in our Azure Environment
•    Tuning and optimizing data processes and pipelines
•    Data Modelling for transactional databases
•    Data Modelling of big volume datasets to maximize performance for our customers
•    Sustainment of existing data pipelines You will be rewarded and recognised for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in. Required Qualifications of the Senior Data Engineer:
•    Bachelor's degree in Electronics Engineering, Computer Science, Information Technology or a related field or equivalent experience
•    Advanced skills in developing processes in Spark/Databricks/Relational Databases
•    Experience with Airflow in implementation of data pipeline orchestrations, Airflow operators and hooks.
•    Previous experience with Relational Databases (RDBMS) and Non - Relational Database.
•    Previous experience in implementation of ETL applications, Data warehousing/ data modelling principles, architecture and its implementation in large environments
•    Working Knowledge on public clouds like Azure, AWS, Google Cloud and developing applications on Linux environments
•    Writing complex SQL queries
•    Building ETL/data pipelines
•    Exposure to Docker
•    Related/complementary open-source software platforms and languages (e.g. Python, Java, Linux) (Python preferred)
•    Agile development methodology
•    Experience of Data Build Tool (DBT) Preferred Qualifications:
•    Problem-solving experience applied to a Big Data environment and Distributed Processing.
•    Experience working in projects with agile/scrum methodologies
•    Exposure to DevOps methodology
•    Experience with GitHub Actions
•    Experience of Kimball, Data Vault
•    Experience with Infrastructure as Code, Terraform
•    Data warehousing principles (eg Kimball, Inmon, Data Vault), architecture and its implementation in large environments Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application. All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy. At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone–of every race, gender, sexuality, age, location and income–deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalised groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes — an enterprise priority reflected in our mission. Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. 2023 Optum Services (Ireland) Limited. All rights reserved. #RPO #BBMEMISAR

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