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About the Role

The Senior HPC Administrator is responsible for the operation, security, and governance of a secure HPC environment supporting regulated research and clinical workloads. This role ensures continuous compliance with cybersecurity and data governance requirements while delivering high-performance, reliable, and auditable research computing services. The position requires deep technical expertise in computational systems, data platforms, and research software environments, with a strong emphasis on cybersecurity, compliance, and researcher-focused service delivery.

Responsibilities

Provide full lifecycle administration of secure HPC infrastructure, including compute, storage, networking, and supporting services.
Manage system configuration, authentication and authorization, monitoring, logging, performance tuning and analytics, usage reporting, and capacity planning.
Administer and support core HPC services such as job scheduling platforms (e.g., LSF), Open OnDemand user access environments, and PostgreSQL databases.
Design, maintain, and enforce secure network architectures, including segmentation, firewall rules, and controlled ingress/egress.
Lead the troubleshooting, isolation and resolution of all technical issues including system, hardware, software, and network.
Implement and maintain NIST-aligned security controls, including encryption of data at rest and in transit, secure enclaves, access control, centralized logging, audit trails, and monitoring.
Lead system security hardening, patching, vulnerability management, and technical risk remediation activities.
Ensure continuous compliance with CMS DMP SAQ requirements, NIST SP 800-171/800-53 controls, NIH data governance policies, and Mount Sinai cybersecurity standards.
Develop, maintain, and regularly update security policies, operational procedures, and technical documentation supporting regulatory compliance.
Serve as the primary technical and process liaison with DTP Cybersecurity, GCO, and compliance stakeholders.
Coordinate incident response activities and security investigations in partnership with DTP Cybersecurity.
Organize and manage annual external audits and recertification efforts, ensuring timely remediation and sustained audit readiness.
Stay current with emerging HPC and cybersecurity technologies to keep the organization’s infrastructure up-to-date.
Work effectively and productively with other team members within the group and across Mount Sinai.
Support researchers and users with computational, data, and analytics needs, including data transfers, software installation, batch jobs and troubleshooting.
Answer and resolve user tickets.
Create and update user-facing technical documentation for the CMS cluster.
Provide after-hours support as needed.
Perform other duties as assigned or requested.

Requirements

Bachelors degree in a technical discipline in computer science, engineering or related scientific field.
8+ years of progressive HPC systems administration experience in large-scale Red Hat/CentOS Linux batch environments.
Hands-on experience with HPC schedulers, parallel file systems, configuration management (e.g., xCAT, Puppet, Ansible), databases, web services, globus and high-performance networking (InfiniBand, Ethernet).
Must be an expert troubleshooter.
Must be a team player and customer focused.
Strong background in cybersecurity practices within regulated environments (e.g., healthcare, government), including firewalls, data protection, access controls, monitoring, and incident response.
In-depth knowledge of NIST SP 800-171 and NIST SP 800-53, with hands-on experience implementing, and operating compliant HPC systems.
Script and programming experience.
Ability to manage multiple priorities effectively in a dynamic environment.
Excellent analytical ability, strong judgment and management skills, and the ability to work effectively as a liaison between both research and technology teams.
Excellent written, verbal, and interpersonal communication skills.

Skills

HPC administration
HPC cybersecurity
System configuration
Authentication and authorization
Monitoring
Logging
Performance tuning and analytics
Usage reporting
Capacity planning
Job scheduling platforms (e.g., LSF)
Open OnDemand
PostgreSQL databases
Network architecture design
Firewall management
Troubleshooting
NIST SP 800-53
NIST SP 800-171
Data protection
Access control
Incident response
System hardening
Patching
Vulnerability management
Risk remediation
Security policies
Operational procedures
Technical documentation
Red Hat/CentOS Linux
Parallel file systems
Configuration management (e.g., xCAT, Puppet, Ansible)
Web services
Globus
High-performance networking (InfiniBand, Ethernet)
Scripting
Programming
IBM LSF
GPFS Spectrum Scale
Confidential computing
Privacy-preserving linking of PHI
Public cloud platforms (Azure, AWS, or GCP)

Location

New York City

Work Type

Full-time

Experience Level

Senior
8+ years
12 years

Education Level

Bachelor's degree in a technical discipline
Master's or PhD preferred

Salary/Compensations

$113,011.58 - $202,155.00 Annually

About the Company

The Scientific Computing and Data group at the Icahn School of Medicine at Mount Sinai partners with scientists to accelerate scientific discovery by supporting a cutting-edge high-performance computing and data ecosystem along with MD/PhD-level support for researchers.
Mount Sinai Health System is one of the largest academic medical systems in the New York metro area, with more than 48,000 employees working across eight hospitals, more than 400 outpatient practices, more than 300 labs, a school of nursing, and a leading school of medicine and graduate education.
Mount Sinai advances health for all people, everywhere, by taking on the most complex health care challenges of our time — discovering and applying new scientific learning and knowledge; developing safer, more effective treatments; educating the next generation of medical leaders and innovators; and supporting local communities by delivering high-quality care to all who need it.
Through the integration of its hospitals, labs, and schools, Mount Sinai offers comprehensive health care solutions from birth through geriatrics, leveraging innovative approaches such as artificial intelligence and informatics while keeping patients’ medical and emotional needs at the center of all treatment.

Equal Opportunity

The Mount Sinai Health System is an equal opportunity employer, complying with all applicable federal civil rights laws.
We do not discriminate, exclude, or treat individuals differently based on race, color, national origin, age, religion, disability, sex, sexual orientation, gender, veteran status, or any other characteristic protected by law.
We are deeply committed to fostering an environment where all faculty, staff, students, trainees, patients, visitors, and the communities we serve feel respected and supported.
Our goal is to create a healthcare and learning institution that actively works to remove barriers, address challenges, and promote fairness in all aspects of our organization.