Cassandra DBA

Title: Cassandra DBA
Location: Irving TX
Term: Contract

Intial Hybrid and then may be Remote

We are looking for a very strong Cassandra DBA with hands on experience in a large production environment who can design/install/manage/monitor/upgrade Cassandra databases(Datastax and Apache).

Education:

Bachelors Degree in Computer Science or related fields

Daily Responsibilities:

Install configure and maintain DATASTAX and Apache Cassandra clusters across multiple environments.

Monitor and optimize cluster performance including capacity planning and troubleshooting.

Manage and tune Cassandra configuration parameters to ensure optimal performance.

Implement and maintain data replication backup and recovery strategies.

Conduct regular health checks and performance audits of the Cassandra clusters.

Collaborate with development teams and database architects to design and implement Cassandra data models and schemas.

Define and enforce best practices for data modeling and schema design.

Perform schema changes and migrations while ensuring minimal downtime and data consistency. Design scalable and efficient data models that optimize performance and ensure data integrity.

Analyze existing data models and propose improvements for enhanced performance and scalability.

Conduct thorough testing and validation of data models to ensure optimal performance and usability.

Implement and enforce security measures to protect data stored in Cassandra.

Set up and manage user accounts roles and permissions.

Monitor and audit user activity to ensure compliance with security policies.

Set up monitoring tools and dashboards to track cluster performance utilization and health.

Configure alerts and notifications for critical events or potential issues.

Respond promptly to alerts and troubleshoot any database related problems.

Qualifications and Skills:

Proven experience as a Cassandra Administrator supporting large production Cassandra environments (DATASTA and Apache)

Strong knowledge of Cassandra database architecture concepts and administration.

Proficiency in Cassandra cluster setup configuration and monitoring.

Experience with data modeling schema design and query optimization in Cassandra.

Understanding of distributed systems and principles of high availability.

Familiarity with security best practices and implementing access controls in Cassandra.

Experience with Cassandra performance tuning troubleshooting and capacity planning.

Proficient in scripting languages for automation and monitoring tasks

Knowledge on aws Infrastructure which will give enhanced performance and cost saving based on requirement (EC2 Instances EBS volumes EFS instance types IAM Lifecycle Manager network load balancer AMI etc.. )

Experience with Cost Optimization in cloud resources (Infrastructure monitoring on cloud as every service is cost effective should be tuned accordingly for cost saving)

Knowledge on devops tools (like Jenkin git ansible etc..) for job automation (especially for AMI rehydration).

Knowledge on data migration.

Ability to attend calls during off hours

AWS certification is desired