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DigiCert

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Cassandra Administrator

Open 18d

Summary

Maintains and optimizes distributed Apache Cassandra clusters for a global PKI and certificate management platform, ensuring high availability, security, and performance across multi-datacenter environments.

Who we are

DigiCert is a global leader in intelligent trust. We protect the digital world by ensuring the security, privacy, and authenticity of every interaction. Our AI-powered DigiCert ONE platform unifies PKI, DNS, and certificate lifecycle management, to secure infrastructure, software, devices, messages, AI content and agents. Learn why more than 100,000 organizations, including 90% of the Fortune 500, choose DigiCert to stop today’s threats and prepare for a quantum-safe future at

Job summary

The Apache Cassandra Administrator will collaborate with a global team of database engineers to design, automate, build, operate, and continuously enhance distributed Cassandra services supporting customer-facing SaaS platforms. Responsibilities include building highly available, scalable, and secure database solutions with strong focus on performance, resilience, monitoring, and disaster recovery in large-scale distributed environments.

What you will do

  • Design, deploy, and manage Apache Cassandra clusters across multi-datacenter environments.
  • Build highly available, fault-tolerant distributed database architectures.
  • Perform capacity planning, scaling, and performance tuning for Cassandra workloads.
  • Implement replication strategies, consistency levels, and data distribution models.
  • Optimize Cassandra data models using query-driven design principles.
  • Monitor cluster health using tools such as Prometheus, Grafana, or Splunk.
  • Troubleshoot node failures, latency, compaction, and data consistency issues.
  • Develop automation using Terraform, Salt Stack, Ansible, or similar tools.
  • Support migrations from legacy databases to Cassandra-based solutions.
  • Collaborate with engineering teams on schema design and workload optimization.
  • Provide on-call support and participate in rotating shifts as needed.

What you will have

  • 3+ years administering Apache Cassandra in production environments.
  • Strong understanding of distributed systems concepts (replication, partitioning, consistency).
  • Experience with Cassandra architecture, internals, and data modeling.
  • Expertise in performance tuning (compaction, JVM, GC tuning).
  • Experience managing multi-node, multi-datacenter clusters.
  • Strong Linux systems administration knowledge.
  • Cloud platform experience (AWS, Azure, or GCP).
  • Strong troubleshooting and incident response skills.

Nice to have

  • Experience with DataStax Enterprise (DSE) or Astra DB.
  • Kubernetes-based Cassandra deployments (K8ssandra, Cass Operator).
  • Experience with CI/CD tools such as GitLab or Jenkins.
  • Familiarity with additional databases (MariaDB, SQL Server, PostgreSQL).

Benefits

  • Generous time off policies.
  • Top shelf benefits.
  • Education, wellness and lifestyle support.

To protect candidate information and maintain a secure hiring process, all applications must be submitted through our careers portal. Resumes or CVs sent directly via email will not be reviewed or considered.

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What this application asks

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First Name, Last Name, Email, Phone, Resume/CV, Cover Letter, Location

  • Have you completed secondary education or its equivalent? choose one · optional
  • Are you legally authorized to work in the country in which this role is located? choose one
  • Will you now or in the future require sponsorship to work in the country where this role is based? choose one
  • Please confirm the Country in which you currently reside? choose one
  • If the country you currently live in is NOT listed in the question above, please confirm in which country you live? optional
  • What state are you currently located in? choose one
  • If the state you currently live in is not listed above, please confirm which state you reside in. Please complete this only if you selected ‘State Not Listed’ above. optional
  • What are your salary expectations for this role?
  • Were you referred for this position? choose one
  • If you were referred for this position, please provide the full name of the referrer optional
  • Please provide a link to your LinkedIn profile.
  • As part of the employment process, all candidates are subject to employment and education verification, as well as a comprehensive background check, in accordance with applicable laws and company policies. I understand that I will be provided with additional information and asked to provide authorization before any such checks are conducted.  choose one
  • I understand that all information provided in my application must be accurate and truthful, and that any misrepresentation may result in disqualification from the hiring process or termination of employment if discovered after hire.  choose one
  • I acknowledge that DigiCert and its service providers may collect and process my image and related identity verification information to verify my identity, prevent fraud, maintain security, and administer the hiring process. I understand that this information will be used only for these purposes and retained in accordance with DigiCert's applicable policies and legal obligations. If I choose not to provide the information required to complete identity verification, DigiCert may be unable to continue processing my application. Do you acknowledge and agree? choose one
  • Is your current location in Bangalore?
  • Can you please provide the details of your current CTC, including the fixed, variable, and RSU/ESOP components?
  • What is the duration of your notice period?

See also

111,736 jobs
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Kubernetes jobs
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Terraform jobs
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PostgreSQL jobs
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Azure jobs
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Google Cloud jobs
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Jenkins jobs
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Ansible jobs
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H-1B sponsor history jobs
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