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Administer and maintain AI/ML and HPC testbed infrastructure: install and manage Linux systems, configuration management, version control, scripting, datacenter hardware operations, networking support, documentation, and collaborate with researchers and operations teams to ensure testbed availability and sustainability.

Oversee design, construction, startup, commissioning, operation, and troubleshooting of intermediate- and small-scale liquid-metal experimental systems (METL and related loops). Lead development, fabrication, calibration, maintenance, and testing of electro-mechanical and electronic systems (power supplies, controllers, data logging, temperature/valve control). Coordinate installations, provide technical direction, supervise shifts, and ensure compliance with lab policies and safety.

Develop agentic AI systems and services/APIs that plan and execute scientific workflows on ALCF HPC systems. Integrate LLMs and agentic frameworks with simulations, data, and job schedulers, produce high-quality, maintainable software, and collaborate with science teams, academia, industry, and other labs.

Lead an IT team delivering mission-critical digital infrastructure for the Advanced Photon Source, overseeing HPC, networking, Linux and Windows services, cybersecurity, AI-enabled scientific workflows, data pipelines, and digital-twin initiatives. Set IT strategy, policies, budgets, business continuity, vendor relationships, and security compliance with DOE/Argonne standards. Manage staff development, reliability metrics, and cross-disciplinary collaboration to support accelerator operations and beamline science.

Support design, implementation, and operation of HPC networking: configure VLANs, interfaces, and LAGs via CLI; rack and provision network hardware; install DAC/AOC/fiber; monitor fabric and port health (including InfiniBand UFM); use configuration management and version control; maintain documentation; troubleshoot and support researchers in scientific computing environments.

Lead development and deployment of laboratory autonomy infrastructure, manage a multidisciplinary team, drive collaborations and autonomous science demonstrations, publish research, mentor junior staff, and ensure compliance with safety and security policies.

Maintain and advance the ALCF HPC environment: administer Linux clusters, manage software deployment with Spack, build and maintain programming environments (modules/containers), resolve dependency conflicts, support compilers/build systems and CI pipelines, and collaborate with researchers to integrate scientific libraries and job management tools.

Coordinate and operate the METALLIC internship program: recruit and onboard undergraduate/graduate participants, organize cohort activities and cross-lab visits, track deliverables and metrics, support student mentoring and outreach, prepare program reports, and provide logistical and administrative support for program delivery.

Provide technical support for ALCF HPC systems by debugging, installing, compiling, and running large-scale applications; assist users with scripting, job scheduling, and workflow optimization; develop documentation and training; enable secure access and compliance; and support AI/ML workflows on HPC systems while stewarding allocation programs and collaborating with domain experts.

Design, build, operate, and maintain high-power solid-state RF amplifier systems (10 MHz–1 GHz). Use circuit simulation for amplifier optimization, implement interlocks, troubleshoot faults, lead R&D, and develop maintenance and operational guidelines for accelerator RF systems.