Linux Hpc System Administrator Jobs (NOW HIRING)

Date Posted:

2026-06-23

Country:

United States of America

Location:

US-OH-REMOTE

Position Role Type:

Remote

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Do you want to be a part of a team whose impact stretches across the world, and even beyond? Collins Aerospace, an RTX company, is a leader in advanced technologically and intelligent solutions for the global aerospace and defense industry.

At Collins Aerospace, an RTX business, we are looking for an outstanding High-Performance Computing (HPC) specialist to join our team. Our team is dedicated to leveraging the latest HPC technologies and architectures to support our global business and research objectives. As a successful candidate, you will understand HPC concepts/technologies and will have technical skills and experience in supporting HPC Linux solutions. You should have a degree in Computer Science, Engineering, or related field with a minimum of 5 years of experience supporting Linux HPC solutions. The ideal candidate should have excellent communication skills and be able to work collaboratively with our HPC internal customers.

What You Will Do

• You will configure and maintain Linux HPC solutions head node, high-density compute nodes, job scheduler, virtual machines (VMs) and storage systems.

• You will maintain system software and firmware revisions including patches, updates, and OS upgrades.

• You will analyze, diagnose, and respond to system problems and user questions related to running jobs on the HPC cluster.

• You will manage and maintain job scheduling managers Altair PBS Pro

• You will manage Altair Access User UI, including developing job templates.

• You will perform analysis tool upgrades and work with users to validate. (StarCCM, LsDyna, Ansys, Abaqus FPGA/ASIC Design tools, etc.)

• You will help develop and implement new technologies based on industry best practices.

• You will work with Cybersecurity professionals to maintain security compliance requirements.

• You will monitor system health and utilization metrics.

What You Will Learn

• You will foster relationships with your DT peers all over the world that work and WANT to work at Collins.

• You will learn how to coordinate with vendors to resolve hardware and software problems.

• New HPC methods and tools.

Qualifications You Must Have

• Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.

• Must be a US Citizen.

• 5 years’ experience as a HPC Linux System Administrator.

• Experience supporting mid-large HPC Linux environments.

• Experience with HPC job scheduling tools.

• Understanding software tools, automated scripts, batch schedulers, hardware, and system-level troubleshooting, to support the engineering community.

• Experience leading HPC projects.

Qualifications We Prefer

• Experience with Altair PBS Pro Job Schedulers.

• Experience with Altair Access User UI application.

• Experience/knowledge with Cloud HPC.

• Machine Learning and Artificial Intelligence experience.

• Graphical Processing Unit (GPU) experience in an HPC Linux environment.

• Virtual workstation experience for Engineering HPC Pre/Post processing activities.

• Proven track record in scripting in bash and Python.

What We Offer:

Some of our competitive benefits packages include:

• Medical, dental, and vision insurance.

• Three weeks of vacation for newly hired employees.

• Generous 401(k) plan that includes employer matching funds and separate. employer retirement contribution, including a Lifetime Income Strategy option.

• Tuition reimbursement program.

• Student Loan Repayment Program.

• Life insurance and disability coverage.

• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection.

• Birth, adoption, parental leave benefits.

• Ovia Health, fertility, and family planning.

• Adoption Assistance.         

• Autism Benefit.

• Employee Assistance Plan, including up to 10 free counseling sessions.

• Healthy You Incentives, wellness rewards program.

• Doctor on Demand, virtual doctor visits.

• Bright Horizons, child, and elder care services.

• Teladoc Medical Experts, second opinion program.

•  And more! 

Learn More & Apply Now!

Do you want to be part of a new, exciting initiative to combine foundational IT with new digital technologies?  Our Digital Technology team is driving business efficiencies and a better customer experience by connecting technologies, people, information and processes. From making aircraft more electric, intelligent and integrated to building new software platforms such as Internet of Things, big data, artificial intelligence, and blockchain, there’s no better place to be right now than in digital. If you’re an agile thinker who enjoys utilizing modern technology to make big improvements, then you’re a perfect fit for this team. Join Collins Aerospace to help us revolutionize the aerospace industry today!

WE ARE REDEFINING AEROSPACE.

* Please consider the following role type definitions as you apply for this role.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader

Remote: Employees who are working in Remote roles will work primarily offsite (from home). An employee may be expected to travel to the site location as needed.

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms