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 www.digicert.com
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.
LI-SS1
Skills Required
- 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
- 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)
DigiCert Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about DigiCert and has not been reviewed or approved by DigiCert.
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Leave & Time Off Breadth — Vacation/PTO and sick leave are characterized as strong, and some accounts mention a sabbatical program.
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Retirement Support — The package includes a 401(k) with company matching, with recent confirmations of this benefit.
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Flexible Benefits — Hybrid and work-from-home options are referenced consistently, indicating practical flexibility in how and where work is done.
DigiCert Insights
What We Do
DigiCert is the digital trust provider of choice for leading companies around the globe, enabling individuals, businesses, governments, and consortia to engage online with confidence, knowing their digital footprint is secure.
