HPC Systems Administrator

The role

You will own the administration of on-premises high-performance computing infrastructure. You will manage compute nodes, workload schedulers, parallel storage, and high-speed interconnects to support simulation engineers.

What you will do

• Own day-to-day administration of compute nodes, workload schedulers, parallel storage, high-speed interconnects, and licence servers
• Ensure environment remains highly available and performant through monitoring, patching, firmware updates, and incident response
• Administer workload scheduler such as Slurm, PBS Pro, or similar
• Manage simulation software stack and user environments using Lmod, Spack, or EasyBuild
• Collaborate with hardware and software vendors to resolve support cases and process RMAs
• Automate operational workflows using Bash, Python, and Ansible
• Maintain strict security posture for cleared work and support compliance reviews
• Onboard users and maintain documentation

Required qualifications

• Administered Linux systems within a production HPC or large shared compute environment
• Hands-on experience managing workload schedulers such as Slurm, PBS Pro, LSF, or similar
• Production experience with parallel filesystems (Lustre, BeeGFS, or GPFS) and high-speed interconnects (InfiniBand or RoCE)
• Capable of scripting and automating complex workflows with Bash, Python, and Ansible
• Can manage commercial simulation software (CAE, CFD, or EM) and licence servers, including FlexLM

Nice to have

• Experience administering Altair or Siemens simulation suites
• A background working within classified or strictly regulated environments
• Expertise in GPU computing, including CUDA and NVIDIA toolchains, alongside MPI stack management
• Familiarity with HPC containers using Apptainer, Enroot, or Pyxis
• Experience with identity management systems such as Keycloak, FreeIPA, Active Directory, or Kerberos
• Competence in infrastructure-as-code practices using tools such as Terraform

Benefits

• Competitive salary and VSOP options
• Relocation support: up to €2,500 and 4 weeks temporary accommodation
• Learning: €500/£450 yearly allowance
• Gym membership and mental health support (Nilo.health)
• Regularly company events and monthly social allowances
• 22 weeks fully paid parental leave for primary caregivers
• 6 weeks fully paid parental leave for secondary caregivers
• 5 days of paid family emergency leave
• 100% remote work option during pregnancy and phased return to work

About the company

Helsing is a defence AI company aiming to protect democracies through technological leadership. They are an ambitious team of engineers and AI specialists with an open and transparent culture.