Experience
HPC Software Consultant
- Worked on system setup and customer-specific customization, including Linux OS deployment, network configuration, interconnect setup, parallel storage, Slurm-based scheduling, monitoring, and configuration management.
- Investigated performance and stability issues in customer HPC environments, including Lustre bottlenecks, root cause analysis, and debugging of application-level problems affecting user workloads.
- Supported deployment and operational activities for customer environments including FMI, Aalto, CSC, ECMWF, SIGMA2, and Novo Nordisk.
- Supported software stack lifecycle work across customer HPC environments, including upgrades to compilers, libraries, and researcher-facing application components alongside platform-level changes.
- Supported service and maintenance discussions by interpreting SLA and contract scope, including support coverage and maintenance extensions.
- Deployed a proof of concept for Aalto University using Rancher, Kubernetes, and Terraform to orchestrate the Jarvice XE HPC platform.
Founder & Consultant
- Led early-stage business development activities including investor discussions, raising EUR 50,000 in private funding and securing EUR 60,000 in Business Finland Tempo funding.
- Conducted customer discovery and interviewed more than 100 companies across many sectors to understand operational, compliance, and technology needs.
- Contributed to pre-sales style activities including requirement gathering, solution shaping, workshops, and pilot planning for consulting and product opportunities.
- Designed and delivered Gover, a tool for managing ISO 27001 risks, controls, and review workflows.
- Delivered consulting across cloud, infrastructure, and security domains, with experience in IAM, architecture, and technical documentation.
Cyber Reservist
- Exercises in OSINT, CTI, NOC/SOC, red teaming, and forensics; contributed to hands on cyber operations and technical support.
Skills
Infrastructure and HPC
- Slurm based cluster management and job scheduling
- Kubernetes deployments for HPC and containerized workloads
- Lustre and DDN storage, networked filesystems, and parallel I/O
- Spack for building and maintaining software stacks
Methods & Tooling
- Azure, AWS, GCP and on-prem environments (compute, identity, storage)
- Terraform, Ansible, shell scripting and CI pipelines
- Container tooling with Docker and OCI images
- Monitoring and logging with Prometheus, Elastic and Sentinel
Governance & Documentation
- Policy writing and documentation
- Risk assessment and control mapping
- Internal audit preparation
Education
Finnish Defence Forces — Cyber Reservist Program, 2023
Slush 2022, 2023, 2025
FISC “Kyberala murroksessa” (NIS2)
Multiple CTFs (2023)
Recommendations:
Juha Martikainen — Manalead Oy — +358 50 322 4417
Certifications & Courses:
PECB — ISO/IEC 27001 Lead Auditor (2026) PECB — ISO/IEC 27001 Lead Implementer (2024) Helsingin Yliopisto — DevOps with Kubernetes (2024) NVIDIA - DGX A100 Product Training (Foundational) (2023) NVIDIA - Bright Cluster Manager (2023) Microsoft — Azure AZ-900 (2023) Helsingin Yliopisto — Full Stack Open (2022)