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Cassandra Database Administrator - L2 Job Opening In Mumbai – Now Hiring NTT


Job description

JOB DESCRIPTION

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible.

We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society.

Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Your day at NTT DATA
As a Networking Managed Services Engineer (L2) at NTT DATA, you'll take on a developing engineering role where your main goal is to ensure our clients' IT infrastructure and systems remain operational.

You'll achieve this by proactively monitoring, identifying, investigating, and resolving technical incidents and problems.

You'll work closely with our clients and internal teams to ensure that services are restored swiftly, in line with our service level agreements (SLAs).

Your day will revolve around reviewing client requests and tickets, applying your technical expertise to resolve them efficiently and effectively.

You'll be the go-to person for second-line support, handling incidents and requests of medium complexity.

In addition to your daily tasks, you'll have opportunities to contribute to exciting project work from time to time.

You'll proactively monitor work queues, execute operational tasks, and update tickets with the actions you've taken.

Identifying, analysing, and logging issues before they escalate will be a key part of your role.

You'll communicate with other teams and clients to provide support and ensure that changes are executed with clear risk identification and mitigation plans.

As part of the shift handover process, you'll highlight key tickets and upcoming critical tasks for the next shift.

When needed, you'll escalate tickets to ensure the right focus from our Centres of Excellence (CoE) and other teams.

Collaborating with our automation teams, you'll work on optimizing efforts and automating routine tasks, all while coaching our Service desk and L1 teams in both technical and behavioural skills.

You'll also establish monitoring for client infrastructure, leading and managing initial client escalations for operational issues.

Contributing to the change management process, you'll log change requests, execute approved maintenance activities, and audit incident and request tickets for quality.

Your insights will drive trend analysis reports, identifying tasks suitable for automation to reduce tickets and optimize efforts.

You might also support disaster recovery functions and other related tasks as needed.

Job Title: Cassandra Database Administrator

Key Responsibilities

Cluster Monitoring and Maintenance

  • Proactively monitor Cassandra clusters to ensure optimal performance, availability, and reliability.
  • Utilize tools such as Prometheus, Grafana, and DataStax OpsCenter to track metrics, identify bottlenecks, and address alerts promptly.
  • Perform regular health checks, repairs, and validations to maintain consistent data distribution and cluster balance.
  • Incident and Request Management

  • Handle Cassandra-related incidents and service requests within defined SLAs.
  • Troubleshoot node failures, read/write latency issues, and replication inconsistencies.
  • Document all incidents, root causes, and resolutions in the ticketing system for transparency and future reference.
  • Performance Optimization

  • Analyze and tune key Cassandra parameters such as compaction strategy, GC tuning, and caching configuration to improve performance.
  • Work closely with application teams to review data models and optimize CQL queries for better efficiency.
  • Conduct periodic performance reviews and implement proactive improvements.
  • Backup, Recovery, and Disaster Recovery

  • Implement, maintain, and validate backup and restore procedures using approved tools and scripts.
  • Participate in disaster recovery planning and testing to ensure data resilience across environments.
  • Ensure all backups meet business continuity and compliance requirements.
  • Change and Configuration Management

  • Execute approved schema changes, node additions/removals, and software patching while following strict change management protocols.
  • Document configuration updates and maintain version control of cluster topology changes.
  • Identify risks associated with changes and record appropriate mitigation steps.
  • Automation and Scripting

  • Automate routine DBA tasks (node repairs, monitoring setup, and log rotation) using Python, Bash, or Ansible.
  • Collaborate with automation and DevOps teams to enhance operational efficiency and reduce manual effort.
  • Contribute to the development of scripts and playbooks for rapid cluster provisioning.
  • Security and Access Management

  • Manage authentication, authorization, and role-based access control (RBAC) within Cassandra.
  • Implement and monitor TLS encryption, audit logging, and secure configurations for compliance.
  • Periodically review access policies and audit database activities.
  • Collaboration and Escalation

  • Work closely with L1/L2 support, infrastructure, and application teams to resolve escalated database issues.
  • Communicate effectively with clients and internal teams during incident resolution or planned maintenance activities.
  • Escalate persistent or complex issues to CoE or vendor support as needed.
  • Capacity Planning and Scaling

  • Monitor resource usage and forecast storage or performance capacity requirements.
  • Participate in cluster expansion, node rebalancing, and data compaction planning.
  • Recommend infrastructure improvements to support growth and high availability.
  • Documentation and Knowledge Sharing

  • Maintain up-to-date operational documentation, SOPs, and runbooks for Cassandra operations.
  • Provide technical guidance and mentoring to junior DBAs and service desk teams.
  • Share lessons learned and best practices across teams to strengthen overall database support maturity.
  • Reporting and Continuous Improvement

  • Produce performance and incident trend reports to identify recurring issues or optimization opportunities.
  • Recommend automation or configuration improvements to reduce operational workload and improve system reliability.
  • Academic Qualifications and Certifications:

  • Bachelor’s degree in engineering or equivalent qualification in IT/Computing (or demonstrated equivalent work experience).
  • Certified Cassandra Administrator or equivalent certification will be valuable
  • Required experience:

  • Minimum 4 years relevant work experience
  • Workplace type:

    On-site Working

    About NTT DATA
    NTT DATA is a $30+ billion trusted global innovator of business and technology services.

    We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long-term success.

    We invest over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future.

    As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies.

    Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity.

    We are also one of the leading providers of digital and AI infrastructure in the world.

    NTT DATA is part of NTT Group and headquartered in Tokyo.

    Equal Opportunity Employer
    NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity.

    We are committed to providing an environment free of unfair discrimination and harassment.

    We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category.

    Join our growing global team and accelerate your career with us.

    Apply today.

    Third parties fraudulently posing as NTT DATA recruiters

    Required Skill Profession

    Computer Occupations


    • Job Details

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    Unlock Your Cassandra Database Potential: Insight & Career Growth Guide


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