Hpc System Engineer

2 days ago

Kallang, Singapore Alpsoft Technologies Pte. Ltd. Full time

We are seeking an experienced and highly skilled **Senior HPC System Engineer** to manage and optimize a complex multi-cluster high-performance computing (HPC) environment. This position will play a key role in the deployment, administration, and support of GPU and hybrid clusters, ensuring high availability, performance, and scalability of HPC systems used for advanced research and computing workloads.

**Key Responsibilities:Cluster & System Administration**
- Manage multiple HPC clusters including Hopper (GPU), Atlas (Hybrid), and Vanda (CPU & GPU).
- Administer on-prem and cloud-based HPC infrastructure using platforms like Dell X9860/H200, AWS HPC6a, and Dell R760 with A40 GPUs.
- Perform OS-level management and patching on RedHat 9.0, CentOS 7/8.
- Maintain 100G Ethernet and Infiniband NDR network configurations for cluster connectivity.

**Performance, Monitoring & Troubleshooting**
- Utilize tools such as Grafana, Ganglia, and iDRAC for system monitoring and performance tuning.
- Implement and troubleshoot workload schedulers such as PBS Professional.
- Analyze performance bottlenecks and ensure systems run at optimal performance.

**Cloud & Hybrid Infrastructure Management**
- Manage hybrid and cloud-native HPC nodes, including AWS-reserved instances integration with PBS Professional.
- Handle cloud connectivity using Site-to-Site VPN.

**Cluster Management & Tools**
- Use Bright Cluster Manager, AWS Dashboard, and related tools for HPC management.
- Deploy and support Kubernetes and Singularity for containerized HPC workloads.

**Software & Module Management**
- Support HPC software stacks using Env Module, EasyBuild, and FlexLM license servers.

**Storage & Filesystem Management**
- Administer parallel file systems like BeeGFS, Dell-EMC Isilon, ECS storage, and others.

**Security & Authentication**
- Enforce user access and authentication via CentrifyDC and LDAP.
- Ensure systems are compliant with internal security policies.

**Collaboration & User Support**
- Provide advanced technical support to researchers using tenant servers.
- Collaborate with cross-functional teams on HPC architecture improvements, upgrades, and roadmap planning.

**Required Qualifications**:

- Bachelor's or Master’s degree in Computer Science, Engineering, or related field.
- 5+ years of experience managing large-scale HPC systems.
- Deep knowledge of Linux-based operating systems (RedHat, CentOS).
- Proven experience with PBS Professional, Bright Cluster Manager, AWS, and Grafana.
- Familiarity with container environments (Kubernetes, Singularity) and storage systems (BeeGFS, Isilon).
- Hands-on experience with GPU clusters and hybrid cloud architecture.
- Strong scripting skills (Shell, Python, etc.).
- Excellent troubleshooting and documentation skills.

**Job Types**: Full-time, Permanent

Pay: $7,000.00 - $9,000.00 per month

Schedule:

- Monday to Friday

Work Location: In person

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