Coordinate with customer operations teams, DDN Support, Engineering,
hardware vendors, and other stakeholders during major incidents.
Maintain and troubleshoot EXAScaler/Lustre file systems, metadata services,
storage targets, client connectivity, failover, and recovery procedures.
Support Kubernetes environments that consume DDN storage, including cluster
integration, persistent volumes, storage classes, access modes, and workloadlevel storage troubleshooting.
Configure, validate, and troubleshoot CSI drivers and related Kubernetes storage
components
Investigate issues across the Kubernetes-to-storage path, including pods, nodes,
kubelet, CSI controller and node plugins, APIs, mounts, permissions,
networking, and backend storage.
Support NFS, parallel file-system, block, and other storage access protocols
where applicable.
Perform planned maintenance, upgrades, expansions, migrations, hardware
replacements, and configuration changes using approved change-management
processes.
Develop and maintain operational runbooks, standard operating procedures,
recovery procedures, escalation guides, and troubleshooting documentation.
Conduct regular health checks, capacity reviews, performance assessments,
and operational-readiness reviews.
Identify risks, recurring failure patterns, single points of failure, and opportunities
to improve reliability and automation.
Validate backup, restore, replication, disaster-recovery, and business-continuity
procedures where applicable.
Support capacity forecasting for storage, metadata, network, client, and datagrowth requirements.
Assist with performance benchmarking, workload analysis, tuning, and servicelevel reporting.
Maintain accurate configuration management, asset records, incident records,
problem records, and installed-base information.
Participate in on-call, out-of-hours, or escalation coverage as required by the
customer environment.
Provide technical briefings, knowledge transfer, and operational training to
customer teams.
Contribute to implementation schedules, risk and mitigation plans, acceptance
testing, handover, and customer sign-off.
Required Qualifications and Experience
Bachelor’s degree or equivalent experience in Computer Science, Engineering,
Information Technology, or a related discipline.
At least 5 years of experience in infrastructure engineering, storage
administration, systems administration, data-centre operations, or a related
field.
Hands-on experience supporting enterprise storage, HPC, AI, cloud, or highperformance computing environments.
Strong Linux systems administration and troubleshooting skills.
+1.800.837.2298 · services@ddn.com · ddn.com http://ddn.com
Experience with DDN storage platforms and/or EXAScaler/Lustre environments.
Experience with file systems such as Lustre, NFS, GPFS, or other parallel or
distributed file systems.
Working knowledge of Kubernetes architecture and day-to-day cluster
operations.
Working knowledge of the Container Storage Interface, including CSI controllers,
node plugins, volume lifecycle operations, mounts, snapshots, expansion, and
topology considerations.
Experience troubleshooting persistent storage consumed by Kubernetes
workloads.
Strong understanding of IP networking, Ethernet, InfiniBand, or other high-speed
interconnects.
Ability to interpret system logs, Kubernetes events, CSI logs, metrics, alerts, and
performance data.
Experience with monitoring, observability, and alerting platforms.
Experience with incident management, problem management, change
management, and technical escalation processes.
Ability to troubleshoot methodically across hardware, operating systems,
storage, file systems, Kubernetes, networking, and application layers.
Strong understanding of data-centre fundamentals, including power, cooling,
rack layouts, cabling, remote management, and hardware replacement
procedures.
Strong written and verbal communication skills.
Ability to work independently on a customer site while collaborating effectively
with distributed technical teams.
Willingness and ability to participate in on-call or after-hours support when
required.
DESIRABLE SKILLS
Experience supporting large-scale or rapidly growing storage environments.
Experience with Kubernetes distributions such as Red Hat OpenShift, SUSE
Rancher, VMware Tanzu, or equivalent platforms.
Familiarity with Helm, Operators, Custom Resource Definitions, YAML, and
Kubernetes troubleshooting tools.
Experience with Prometheus, Grafana, Alertmanager, OpenTelemetry, or
comparable observability platforms.
Working knowledge of Ansible, Python, Bash, or other automation technologies.
Experience with Git-based configuration management and infrastructure-ascode practices.
+1.800.837.2298 · services@ddn.com · ddn.com http://ddn.com
Familiarity with S3 or object-storage concepts and data-movement tools.
Experience with authentication and authorization technologies such as LDAP,
Active Directory, Kerberos, and TLS certificates.
Knowledge of DNS, NTP, DHCP, routing, VLANs, MTU, firewall policies, and
network troubleshooting.
Experience with high-availability design, quorum, failover, replication, and
disaster recovery.
Familiarity with ITIL-based service management processes.
Experience preparing operational reports, service reviews, capacity forecasts,
and executive summaries.
Relevant certifications in Linux, Kubernetes, cloud, networking, or storage.
Knowledge of Mandarin Chinese would be an advantage
