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Title

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NoSQL Database Administrator

Description

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We are looking for a skilled NoSQL Database Administrator to join our growing technology team. As a NoSQL DBA, you will be responsible for the installation, configuration, maintenance, and performance tuning of NoSQL database systems such as MongoDB, Cassandra, Couchbase, or DynamoDB. You will work closely with developers, system administrators, and data engineers to ensure high availability, scalability, and security of our data infrastructure. The ideal candidate will have a strong background in database administration, particularly with NoSQL technologies, and a deep understanding of data modeling, replication, sharding, and backup strategies. You should be comfortable working in a fast-paced environment and be able to troubleshoot complex database issues quickly and effectively. In this role, you will monitor database performance, implement changes to improve efficiency, and ensure data integrity and security. You will also be responsible for creating and maintaining documentation, automating routine tasks, and participating in disaster recovery planning and testing. This is an excellent opportunity for someone who is passionate about data and wants to work with cutting-edge technologies in a collaborative and innovative environment. If you are a proactive problem-solver with a strong technical foundation and a desire to continuously learn and grow, we encourage you to apply.

Responsibilities

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  • Install, configure, and maintain NoSQL database systems
  • Monitor database performance and optimize queries
  • Implement backup and recovery strategies
  • Ensure data security and compliance with policies
  • Collaborate with development teams on data modeling
  • Automate routine database tasks and maintenance
  • Troubleshoot and resolve database issues
  • Manage database replication and sharding
  • Document database configurations and procedures
  • Participate in disaster recovery planning and testing

Requirements

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  • Bachelor’s degree in Computer Science or related field
  • 3+ years of experience with NoSQL databases (e.g., MongoDB, Cassandra)
  • Strong understanding of database architecture and data modeling
  • Experience with performance tuning and query optimization
  • Knowledge of backup, recovery, and high availability strategies
  • Familiarity with scripting languages (e.g., Python, Bash)
  • Experience with cloud platforms (e.g., AWS, Azure, GCP)
  • Strong problem-solving and analytical skills
  • Excellent communication and teamwork abilities
  • Ability to work independently and manage multiple tasks

Potential interview questions

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  • Which NoSQL databases have you worked with extensively?
  • Can you describe a time you optimized a slow-performing query?
  • How do you ensure data security in a NoSQL environment?
  • What strategies do you use for backup and disaster recovery?
  • Have you implemented sharding or replication in a NoSQL system?
  • How do you stay updated with new database technologies?
  • Describe your experience with cloud-based database services.
  • What tools do you use for monitoring database performance?
  • How do you handle schema changes in a NoSQL database?
  • Can you provide an example of automating a database task?