KAFKA ADMIN

Quantum Technologies. LLC; Phoenix (AZ); On-site; USD 150,000 - 190,000; Full time

Job summary

Quantum Technologies. LLC is seeking a senior Kafka/Confluent administrator to own and evolve our on-prem event streaming platform, with a strong emphasis on Confluent Platform. You will lead hardware refresh planning, drive reliability, and embed DevOps practices across provisioning, deployment, and incident response.

Experience with Apache Kafka and AWS MSK is welcome for cross-environment alignment; deliverables include comprehensive runbooks and thorough documentation.

Qualifications

• 5+ years in systems/platform engineering, SRE, or DevOps.
• 4+ years operating Kafka in production at scale.
• Deep knowledge of Kafka internals: partitions, replication, retention/compaction.

Responsibilities

• Design, deploy, and operate highly available Kafka clusters (on-prem, cloud, and/or managed services).
• Manage topics, partitions, quotas, retention policies, and consumer group strategies for performance and cost.
• Own upgrades, patches, and migrations.
• Implement and manage Kafka components: Kafka Connect, Schema Registry, Mirror Maker/Confluent Replicator, REST Proxy.
• Performance tuning (producers/consumers, batching, acks, ISR).
• Capacity planning, partitioning strategy, and cluster right-sizing.
• Hardware refresh plan: capacity model, sizing, migration/cutover strategy, risk register.
• Operational documentation: runbooks, monitoring/alerts, backup/DR playbooks.

Skills

Kafka

Confluent Platform

SRE/DevOps

Linux

Automation scripting

Performance tuning

Tools

Kafka Connect

Schema Registry

Mirror Maker

Confluent Replicator

REST Proxy

DataDog

Grafana

Job description

Work Authorization: USC, GC, H-1B, OPT-EAD, GC-EAD, H4-EAD

Job Summary

We’re seeking a senior contract Kafka/Confluent administrator to own and evolve our on prem event streaming platform, with a primary focus on Confluent Platform. You will lead planning and execution of a hardware refresh for our on prem clusters, drive reliability and performance, and embed DevOps/automation across provisioning, deployment, observability, and incident response. Experience with Apache Kafka and AWS MSK is desired for secondary support and cross environment alignment. Comprehensive documentation and runbooks are required deliverables.

Kafka Platform Support Key Responsibilities:

• Design, deploy, and operate highly available Kafka clusters (on-prem, cloud, and/or managed services such as Confluent Cloud or AWS MSK).
• Manage topics, partitions, quotas, retention policies, and consumer group strategies for performance and cost.
• Own upgrades, patches, and migrations.
• Implement and manage Kafka components: Kafka Connect, Schema Registry, Mirror Maker/Confluent Replicator, REST Proxy; familiarity with Kafka Streams and ksqlDB is a plus.
• Performance tuning (producers/consumers, batching, compression, acks, ISR, controller health), throughput testing, and benchmarking.
• Capacity planning, partitioning strategy, and cluster right-sizing.
• Hardware refresh plan: capacity model, sizing, architecture diagrams, migration/cutover strategy, risk register
• Implement and validated on-prem clusters on refreshed hardware with performance benchmarks
• Operational documentation: standards, runbooks, monitoring/alerts configuration, backup/restore and DR playbooks.
• Knowledge transfer sessions and documentation handoff at milestones and project close.

Minimum Qualifications:

• 5+ years in systems/platform engineering, SRE, or DevOps; 4+ years operating Kafka in production at scale.
• Deep knowledge of Kafka internals: partitions, replication, retention/compaction, rebalance strategies.
• Hands-on with Kafka Connect, Schema Registry, Mirror Maker/Confluent Replicator.
• Strong Linux fundamentals; networking (TCP, DNS, load balancing), and performance analysis.
• Proficiency in automation/scripting.
• Monitoring/observability: Data Dog, Grafana, JMX exporters, and log aggregation.
• Experience with DR, multi-region design, and incident management.
• Proven ability to produce clear, comprehensive documentation

Preferred Qualifications:

• Experience with Apache Kafka and AWS MSK operations and integration.
• Experience executing hardware refreshes mor major cluster rebuilds/migrations with minimal downtime.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.