Big Data Support Engineer L1

Tookitaki Holding

9d•Onsite

About The Position

We are seeking a Technical Support Agent who will play a critical role in maintaining high customer satisfaction by ensuring timely and effective resolution of client issues. This role is essential for Tookitaki's support services, catering to both on-premise and cloud-hosted (CaaS)clients. You will work closely with cross-functional teams to manage daily support issues, adhere to SLAs, and contribute to the continuous improvement of our customer support processes. The ideal candidate will have a strong understanding of Tookitaki's product and tech stack, the ability to triage issues effectively, excellent client management skills, and fluency in English. Knowledge of Cantonese is a plus.

Requirements

Apache Spark (Spark on Kubernetes preferred)
Kubernetes
Apache Kafka
Elasticsearch
AWS Services (EC2, EKS, S3, IAM, CloudWatch)
Docker
Airflow
Hive / Trino
Linux Administration
Prometheus
Grafana
Kibana
Elasticsearch Monitoring
CloudWatch
Kubernetes Logging & Monitoring
Log Analysis and Production Diagnostics
Strong SQL knowledge
Understanding of distributed systems architecture
Knowledge of networking fundamentals
Experience using REST APIs
Familiarity with Git and CI/CD concepts
Ability to analyze application logs and distributed system failures
Understanding of resource management, autoscaling, and Kubernetes scheduling
Excellent written and verbal English communication
Strong stakeholder management
Ability to communicate technical concepts to non-technical users
Experience managing customer escalations
Mandarin (spoken and written) is preferred
Cantonese is an added advantage
Strong analytical and troubleshooting skills
Ability to work under pressure during production incidents
Prioritize incidents based on business impact
Perform structured RCA and recommend preventive measures
Experience working with SLA-driven support environments
Familiarity with ITIL incident management processes
Strong documentation practices
Experience using Freshworks, Jira, ServiceNow, or similar platforms
3–6 years of experience supporting large-scale production systems.
Experience supporting cloud-native applications running on Kubernetes.
Hands-on production support experience with Spark,Kubernatives, Kafka, Elasticsearch, and AWS.
Experience in Financial Services, FinTech, RegTech, SaaS, or Big Data platforms is highly desirable.

Nice To Haves

Knowledge of Cantonese is a plus.

Responsibilities

Handle and triage tickets related to incidents, service requests, and change requests via the Freshworks platform.
Provide technical support for Tookitaki's CaaS and on-premise clients post implementation, ensuring issues are resolved within SLA timelines.
Maintain ownership of client issues, ensuring resolutions align with SLAs and meet client expectations.
Collaborate with Tookitakiʼs Product Engineering and Infrastructure teams to escalate unresolved issues, secure workarounds, or deliver fixes for P1 to P4 tickets.
Act as a bridge between Services (onboarding team) and Support, ensuring a seamless transition when clients go live.
Triage technical issues effectively by diagnosing the problem, identifying the root cause, and determining the appropriate resolution path.
Develop a deep understanding of Tookitaki's product architecture and tech stack (AWS, Big Data technologies like Hive, ElasticSearch, Kubernetes, etc).
Build and maintain strong relationships with clients, demonstrating excellent communication skills and a customer-first approach.
Clearly explain technical resolutions to non-technical stakeholders, ensuring transparency and trust.
Maintain thorough documentation of all support tickets, including actions taken and lessons learned, in the Freshworks platform.
Proactively suggest process improvements to enhance support efficiency and client satisfaction.
Participate in rotational shifts and ensure availability during defined upgrade windows (e.g., second and fourth Saturdays) to support both infra-wide updates and tenant-specific changes.
Ensure 24/7 availability as part of the teamʼs support structure for critical escalations.
Own customer incidents, service requests, and change requests through Freshworks or equivalent ticketing platforms.
Troubleshoot production issues affecting Spark jobs, Kubernetes workloads, Kafka pipelines, Elasticsearch clusters, APIs, and cloud infrastructure.
Ensure all customer issues are resolved within SLA while maintaining high customer satisfaction.
Perform root cause analysis (RCA) and document preventive actions.
Monitor health and performance of Spark applications running on Kubernetes.
Investigate failed Spark jobs, executor failures, pod crashes, resource contention, and scheduling issues.
Monitor Kafka topics, brokers, consumer groups, lag, and message delivery.
Support Elasticsearch cluster health, indexing pipelines, shard allocation, and search performance.
Perform production validations after deployments and infrastructure upgrades.
Participate in planned maintenance activities, upgrades, and release support.
Diagnose issues across the complete cloud-native stack including Apache Spark on Kubernetes, Apache Kafka, Kubernetes (Pods, Deployments, Services, ConfigMaps, Secrets), Docker Containers, AWS Infrastructure, Elasticsearch, Airflow Workflow Orchestration, Hive / Trino / SQL-based Data Processing, REST APIs and Microservices, Linux-based Production Systems.
Work closely with Product Engineering to identify software defects and Infrastructure teams to resolve platform-related issues.
Coordinate with Product Engineering for bug fixes and product improvements.
Work closely with Infrastructure teams during production incidents.
Support onboarding teams during production go-live and customer transition.
Participate in Major Incident Management (P1/P2).
Provide timely updates to customers during incidents.
Communicate technical issues in a clear and business-friendly manner.
Maintain ownership until issue closure.
Prepare incident summaries, RCA documents, and customer communications.
Create and maintain SOPs, troubleshooting guides, and knowledge base articles.
Identify recurring issues and recommend automation opportunities.
Improve monitoring, alerting, and operational processes.
Contribute to platform reliability and operational excellence initiatives.
Participate in 24x7 production support rotation.
Provide support during scheduled maintenance windows, infrastructure upgrades, and customer go-lives.
Support weekend deployment activities when required.