Lightbridge Corporation · 3 days ago
High Performance Computing (HPC) Cluster Administrator
United States
Full-time
Remote
Mid, Senior LevelLightbridge Corporation is seeking a High Performance Computing (HPC) Cluster Administrator to manage and optimize their HPC environment for advanced nuclear simulations and engineering workflows. The role involves ensuring secure, efficient, and compliant operations under various regulatory requirements, while also managing user accounts and software compliance.
ConsultingEnergyFuel
No H1B
U.S. Citizen Only
Responsibilities
Manage HPC user accounts, group memberships, and access privileges following least privilege principles
Implement and enforce multi-factor authentication (MFA) for privileged and non-privileged accounts
Maintain personnel access control for virtual and physical HPC resources
Manage HPC user accounts, group memberships, and access privileges following least privilege principles
Implement and enforce multi-factor authentication (MFA) for privileged and non-privileged accounts
Maintain personnel access control for virtual and physical HPC resources
Deploy and configure Slurm for workload and queue management
Implement HPC OnDemand for GUI-based job submission for less experienced Linux users
Maintain baseline configurations and enforce secure configuration settings
Install, upgrade, and maintain scientific software (e.g., BISON, MCNP, SCALE) and ensure compliance with licensing and export control
Maintain software verification and version control for nuclear software quality assurance
Collaborate with the Quality Assurance Manager to develop and maintain a Software Quality Assurance Plan (SQA)
Provide role-based security training for HPC users and administrators
Conduct awareness sessions on ITAR, export control, and insider threat indicators
Participate in incident response planning and testing
Monitor system for vulnerabilities and apply timely remediation
Coordinate with external colocation partners and vendors to ensure compliance with ITAR and CMMC security requirements
Create and maintain technical documentation, user guides, and compliance artifacts
Maintain audit logs and ensure proper retention per organizational policy
Qualification
Required
Manage HPC user accounts, group memberships, and access privileges following least privilege principles
Implement and enforce multi-factor authentication (MFA) for privileged and non-privileged accounts
Maintain personnel access control for virtual and physical HPC resources
Deploy and configure Slurm for workload and queue management
Implement HPC OnDemand for GUI-based job submission for less experienced Linux users
Maintain baseline configurations and enforce secure configuration settings
Install, upgrade, and maintain scientific software (e.g., BISON, MCNP, SCALE) and ensure compliance with licensing and export control
Maintain software verification and version control for nuclear software quality assurance
Collaborate with the Quality Assurance Manager to develop and maintain a Software Quality Assurance Plan (SQA)
Provide role-based security training for HPC users and administrators
Conduct awareness sessions on ITAR, export control, and insider threat indicators
Participate in incident response planning and testing
Monitor system for vulnerabilities and apply timely remediation
Coordinate with external colocation partners and vendors to ensure compliance with ITAR and CMMC security requirements
Create and maintain technical documentation, user guides, and compliance artifacts
Maintain audit logs and ensure proper retention per organizational policy
Strong experience with Linux-based HPC environments, Slurm, and cluster management tools
Knowledge of ITAR regulations, Export Control, and CMMC Level 2 security practices
Familiarity with NIST SP 800-171r3 security families: Access Control, Audit & Accountability, Configuration Management, Identification & Authentication, System & Communications Protection
Experience implementing FIPS-validated cryptography, MFA, and secure remote access
Ability to develop compliance documentation (SSP, POA&M) and support third-party assessments
Excellent communication skills for training and collaboration with internal teams and external partners
Preferred
Experience with nuclear simulation codes (BISON, MCNP, SCALE)
Familiarity with Supply Chain Risk Management and vendor compliance verification
Prior experience in regulated environments (DOE, DoD, or similar)
Company
Lightbridge Corporation
Lightbridge is developing and commercializing next generation nuclear fuel technology that will significantly improve the economics and safety of existing and new reactors, with a meaningful impact on preventing climate change.
Founded in 1992
11-50 employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2009-09-29IPO
Leadership Team
Seth Grae
President, CEO & member of the Board of Directors
Recent News
2026-01-06
Lightbridge Corporation
2025-12-14
2025-11-19
Company data provided by crunchbase