Security Cleared HPC Cyber Security SME

4 days ago

London, Greater London, United Kingdom iO Associates Full time £60,000 - £120,000 per year

Permanent - Security Cleared HPC Cyber Security SME

JOB DESCRIPTION

  • Job Title: Permanent DV-Cleared HPC Cyber Security Expert**
  • Industry: Defence & National Security
  • Clearance: DV-Cleared (preferred)
  • Location: Hybrid UK-Wide (1-2 Days/Week Office)
  • Employment Type: Permanent

THE OPPORTUNITY
Award winning HPC systems integrator (partner to Cray, NVIDIA, Intel, Dell) - is expanding its secure HPC delivery team due to multi-year classified Defence & Intelligence wins. We require DV-cleared HPC Cyber Security Experts to own the end-to-end secure build of exascale-class clusters for air-gapped MOD, GCHQ, AWE, and allied programmes.

KEY RESPONSIBILITIES

  • Secure HPC environment design & deployment: Linux compute/storage (Slurm, PBS Pro, Lustre, BeeGFS, GPFS), Infiniband/RoCE fabrics, GPU clusters.
  • Cyber security benchmarking & hardening: NCSC CAF, CIS Top 20, NIST 800-53, JSP 440, DEF STAN - full IL5/IL6 compliance.
  • Zero-trust architecture: SELinux/AppArmor, OPA Gatekeeper, NVIDIA DCGM, cross-domain solutions.
  • Automation & IaC: Ansible, Terraform, Python/Bash/Go for repeatable secure builds.
  • Threat modelling & audits: Red-team HPC workloads, SIEM integration (Splunk/Elastic), vulnerability management.
  • Documentation: Security design records, hardening guides, risk assessments for NCSC/MOD sign-off.
  • Customer-facing consultancy: Advise end-clients (Defence Primes, CNI) on secure HPC roadmaps.

ESSENTIAL REQUIREMENTS

  • Active Security Clearance: preferable Active DV-Clearance but also accept SC-Cleared (client-held preferred; client can sponsor transfer where viable).
  • Experience securing HPC/Linux environments in Defence/National Security contexts.
  • Deep Linux expertise: Kernel hardening, secure boot, containerised HPC (Apptainer/Singularity).
  • Compute & storage mastery: Cluster setup, parallel file systems, high-speed interconnects.
  • Benchmarking experience: NCSC, CIS or Microsoft Security Baselines applied to HPC.
  • Automation proficiency: Scripting for SOAR, config management, audit trails.
  • Proven delivery on classified programmes (e.g., AWE exascale, DSTL AI clusters).
  • Certifications: CISSP, OSCP, NCSC CCP (Senior), or equivalent.

DESIRABLE SKILLS

  • Secure AI/ML pipelines on HPC (CUDA hardening, PyTorch/TensorFlow).
  • Quantum-resistant cryptography integration.
  • Air-gapped/cross-domain HPC (data diodes, guarded transfers).
  • Cloud-hybrid HPC (AWS HPC, Azure CycleCloud with gov-cloud sec).
  • Publications or cleared patents in HPC security.

NEXT STEPS

  • If interested, please send your most recent CV to: so that we can speak in more detail about the opportunity.
CyberSecurity #SecurityCleared #HighPerformanceComputing #HPC #SubjectMatterExpert #SME

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