Job Title: Senior DevOps Engineer (HPC / EDA / SLURM)
Location: Rancho Cordova, CA, 95670
Duration: 3 Months
 
Key Responsibilities
HPC / EDA Platform Operations

• Support and administer SLURM-based HPC compute environments, including partition configuration and migration planning
• Plan and execute HPC/EDA compute and storage infrastructure migrations across datacenters
• Develop migration strategies and evaluate implementation options, risks, dependencies, and operational tradeoffs
• Author formal Method of Procedure (MOP) documents and runbooks for infrastructure changes and service cutovers
• Coordinate cross-functionally with EDA/SPE teams, storage teams, and IDAM to deliver coordinated platform changes
• Verify storage volumes, application access, and service continuity following migrations or infrastructure changes
• Define HPC storage service tiers and gather performance and capacity requirements for EDA workloads

Linux Systems Engineering & OS Deployment

• Administer SUSE Linux Enterprise Server (SLES) 12 and SLES 15 systems in a production HPC environment
• Build and maintain custom Linux OS images and installation media using Kiwi NG and related tooling
• Enable and maintain bare-metal provisioning workflows via RackN / Digital Rebar Provision for SLES and ESXi deployments add PXE
• Provision and configure VMware vSphere virtual machines for HPC service workloads
• Troubleshoot production issues in Linux HPC operational scripts, services, and system daemons

Automation & Infrastructure as Code

• Develop, maintain, and extend Ansible playbooks and roles for Linux system setup, authentication, and platform configuration
• Ensure multi-version Ansible playbook compatibility across SLES 12 and SLES 15
• Manage Git repositories and Artifactory artifact storage; migrate large binaries and configuration artifacts out of source control
• Contribute GitHub pull requests, conduct code reviews, and manage inner-source infrastructure repositories
• Drive production environment changes through change management workflows using ServiceNow
• Identity & Access Management
• Integrate and configure enterprise identity systems including Okta, Active Directory, LDAP, NIS, VAS, and SSSD for Linux/HPC environments
• Audit and reconcile Linux user and group identity data (UID/GID) across multiple directory and authentication domains
• Validate authentication methods and access behavior across HPC compute and storage environments
• Extend SSSD-based corporate authentication to new compute environments and author corresponding Ansible automation

Monitoring, Logging & Operational Readiness

• Assess and implement log management strategies, including evaluation of Splunk integration for HPC system logs
• Investigate and remediate operational issues in production Linux services (VNC, NIS, AutoFS, Zabbix, etc.)
• Produce technical documentation, architecture diagrams, implementation guides, and end-user instructions in Confluence 

Required Skills & Qualifications

• HPC / EDA Platforms: SLURM, HPC compute/storage administration, EDA infrastructure, datacenter migrations
• Linux / OS: SLES 12, SLES 15, ESXi 8.0, Kiwi NG ISO creation, Linux system services, acct/pacct, dracut
• Provisioning / Automation: Ansible (playbooks, roles, multi-version), RackN / Digital Rebar Provision, VMware vSphere
• Identity / Auth: SSSD, Okta, Active Directory, LDAP, NIS, VAS, UID/GID auditing, cross-domain identity management
• Storage / Filesystems: NetApp SVM, NFS, AutoFS, RootSquash, storage tier design, IOPS/capacity planning
• DevOps / Source Control: Git, GitHub, Artifactory, inner-source repository management
• Monitoring / Logging: Splunk integration, Zabbix, operational script hardening, log management
• Scripting / Languages; Ansible (YAML), Python, Perl (debugging), Bash
• ITSM / Documentation: ServiceNow (change requests), MOP authoring, Confluence, Jira, technical diagramming

Experience Requirements

• 5+ years of experience in a DevOps, Platform Engineering, or Linux Systems Engineering role
• Hands-on HPC cluster administration experience, including SLURM or equivalent workload managers
• Demonstrated experience supporting EDA or scientific computing environments
• Strong Ansible automation skills with production-grade playbook and role development
• Experience with bare-metal provisioning tools (RackN, Cobbler, or equivalent)
• Proven ability to plan and execute datacenter or infrastructure migrations with minimal disruption
• Familiarity with enterprise Linux identity and authentication stacks (SSSD, LDAP, AD, NIS, Okta)
• Experience with NetApp or comparable enterprise storage platforms in HPC contexts
• Ability to author formal technical documentation (MOPs, runbooks, architecture diagrams)
• Strong written and verbal communication skills; capable of coordinating across multiple teams

Preferred Qualifications

• Experience with SUSE Linux Enterprise Server (SLES) 12 and/or 15 in an enterprise environment
• Familiarity with RackN / Digital Rebar Provision for bare-metal OS deployment
• Hands-on experience with Kiwi NG or similar tools for custom OS image creation
• Knowledge of VMware vSphere for HPC support VM provisioning
• Experience migrating configuration artifacts and binaries to Artifactory
• Background in semiconductor, storage, or high-tech manufacturing IT environments

 
 
At SPECTRAFORCE, we are committed to maintaining a workplace that ensures fair compensation and wage transparency in adherence with all applicable state and local laws. This position's pay range is $62.70/hr - $71.20/hr.