Database Services Engineer

Job Posting Organization:
CERN, the European Organization for Nuclear Research, is a leading research institution established in 195

• It is known for its groundbreaking work in particle physics and technology. CERN employs over 2,500 staff members and collaborates with thousands of scientists from around the world. The organization operates in multiple countries and is dedicated to pushing the frontiers of science and technology, fostering an environment of innovation and collaboration.

Job Overview:
The position of Database Services Engineer within CERN's Database and Analytics group involves operating and supporting the Database on Demand (DBOD) service, which is utilized by various IT services and across CERN's experimental programs. The DBOD service manages over a thousand instances of MySQL, PostgreSQL, and InfluxDB, providing essential administrative functionalities such as configuration management, monitoring, backup and recovery, replication, and ensuring high availability. As an early-career professional, you will be expected to contribute to the administration of these database instances, participate in the evolution of the user interface, and assist in service configuration and architecture design. Your role will also encompass software development tasks using Python, bash, and Angular, alongside operations tasks that ensure the performance, availability, and security" style="border-bottom: 1px dotted #007bff !important;">security of the systems.

Duties and Responsibilities:
As a Database Services Engineer, your responsibilities will include:

• Administering the database instances hosted in the DBOD service.
• Participating in the design and evolution of the user interface based on Angular and Flask.
• Assisting in service configuration and architecture design, including database upgrades and patch campaigns.
• Working on hardware migrations and monitoring system health and performance to ensure optimal performance and security.
• Advising users and collaborating with the team on service enhancements, providing technical mentorship and cross-training to peers.
• Engaging in both operations tasks and software development, utilizing open-source software and gaining experience with CERN's IT infrastructure stack.

Required Qualifications:
Candidates must possess experience working with MySQL, PostgreSQL, or TimescaleDB databases, along with proficiency in SQL, Unix shell scripting, and Python. A solid understanding of the Linux operating system and service administration tools like Puppet is essential. Additionally, experience in monitoring system health and performance indicators, as well as familiarity with Rundeck automation or orchestration tools, is required. Candidates should also have familiarity with large-scale and high-availability database environments, proficiency with Angular and Flask, and knowledge of containerization/container orchestration and the ELK stack.

Educational Background:
Applicants must hold a Bachelor's or Master's degree in Computer Science or a related field. Candidates without a university degree are not eligible, and those with a PhD are also not eligible for this position. The maximum professional experience since graduation should not exceed two years by the application deadline.

Experience:
The position requires a maximum of two years of professional experience since graduation in a relevant field. This is aimed at early-career professionals who are looking to develop their skills and gain experience in a dynamic research environment.

Languages:
Fluency in spoken and written English is mandatory, with a commitment to learn French being a desirable asset for the role.

Additional Notes:
The contract duration for this position is 24 months, with the possibility of extension up to a maximum of 36 months. The working hours are set at 40 hours per week, and the job offers a hybrid flexibility model. The target start date for the position is July 1, 202

• The job reference is IT-DA-DB-2026-111-GRAE, and it falls under the field of Software Engineering and IT. The compensation includes a monthly stipend ranging from 5266 to 5793 Swiss Francs, which is tax-free, along with 30 days of paid leave per year, comprehensive health insurance coverage, family allowances, a relocation package, and opportunities for on-the-job training and formal training, including language classes.