Principal, Systems Administration

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Job Title: Principal, Solution Engineer – Grid & HPC

Job Code: 46585

Job Location: Melbourne, FL

Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off

Job Description:

We are hiring a Principal Systems Administrator who will serve as a solution engineering generalist and the sub-service owner for Grid Computing and High Performance Computing (HPC). In this role, you will design, deploy, and operate secure, high-performing compute environments that support HPC, Grid, and broader enterprise workloads across engineering, scientific, and mission applications.

You will lead the strategy and daily operation of Grid and HPC services, including service roadmaps, standards, platform reliability, capacity planning, and job-scheduler ecosystems such as Altair Grid software and Slurm. This position works closely with researchers, scientists, engineers, cybersecurity teams, operations groups, and internal customers to deliver scalable, resilient, and supportable compute capabilities for a wide range of technical needs.

Essential Functions:

• Design, configure, and maintain Linux/Unix HPC systems and networks, including RHEL, CentOS, Ubuntu, compute, storage, and interconnect infrastructure.

• Own Grid/HPC service offerings, roadmaps, standards, capacity and usage allocation, and resource-scheduling services including Altair Grid software and Slurm.

• Perform performance analysis, benchmarking, and system/application optimization; monitor service health and adjust configurations to sustain availability and throughput.

• Diagnose and resolve hardware and software issues; implement backup, recovery, patching, vulnerability remediation, and data-privacy controls

• Apply DevOps practices—including continuous integration/continuous delivery, automated testing, scripting, configuration management, and documentation—to system, workload, and application lifecycle activities.

• Support scientific-computing workloads and application installation; assist users with job optimization, deliver training, and collaborate with researchers, scientists, and engineers.

Qualifications:

• Bachelor’s Degree and a minimum of 12 years of prior relevant experience. Graduate Degree and a minimum of 10 years of prior related experience. In lieu of a degree, minimum of 16 years of prior related experience.

• 8 years of progressive Linux/Unix systems administration, infrastructure engineering, platform engineering, or high-availability operations experience.

Preferred Additional Skills:

• Advanced Linux/Unix administration experience with RHEL, CentOS, and/or Ubuntu, including shell scripting, configuration management, patching, backup/recovery, and troubleshooting.

• Experience designing, deploying, and maintaining HPC clusters and infrastructure, including compute, storage, networking, and distributed or scientific-computing environments.

• Experience administering Slurm workload-management software and Altair Grid software, including scheduling, queues, policies, usage allocation, and capacity management.

• Experience with performance analysis, benchmarking, systems/application optimization, monitoring, and accurate hardware/software problem resolution.Experience applying DevOps practices, including continuous integration/continuous delivery, automated testing frameworks, automation, and release or configuration management.

• Ability to support technical users, document configurations and procedures for audit/reference, and collaborate with researchers, scientists, and engineers

• Kubernetes

• Parallel file systems

• High-speed interconnects

• Ansible

• Infrastructure as code

• Amazon Web Services or Microsoft Azure

• Relevant Linux or HPC certifications.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

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