Senior HPC Engineer

We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent.

In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.

Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

About the Opportunity:

Amentum is currently seeking an experienced High Performance Computing (HPC) Engineer experienced in supporting Linux environments to work supporting a High-Performance Computing environment. You will be a key contributor in supporting and evolving our high-performance computing infrastructure.

Key Responsibilities:

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Provide ongoing support for RHEL Linux systems and applications.·

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Diagnose and repair physical faults and issues within these systems, such as corrupt disks or failing components.

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Troubleshoot software/OS problems within the systems and applications, and either implement a fix or inform the end user on how to proceed.

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Investigate and implement requests for change (e.g., new software or configuration changes).

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Ensure that any applications and/or codes run on these systems do not pose a security threat to the system.

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Monitor the performance/usage of the systems by creating automated scripts and utilising a separate monitoring server; create comprehensive reports with this information.

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Write and update documentation for end users and system administrators.

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Assist in the design and implementation of new HPC systems.

Here's What You'll Need:

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Bachelor’s degree in Computer Science, Engineering, Physics, or a related technical field.

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At least 3 years’ experience working on Linux IT related systems.

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Knowledge of Linux system administration.

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Familiarity with at least one scripting language (e.g., Bash, Python).

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Interest in high-performance computing and willingness to learn Slurm, xCAT, and Ansible.

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Strong problem-solving skills and attention to detail.

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Good communication and collaboration skills.

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Ability to work independently with mentorship and as part of a team.

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​Sole UK National status due to Role and Client requirement.

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Ability to attain UKSV Security Clearance.

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Ability to work on site 5 days a week. No hybrid/remote working option.

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Internship or academic experience in a research computing or HPC environment.

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Exposure to job schedulers (e.g., Slurm, LSF).

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Familiarity with version control systems (e.g., Git).

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Coursework or projects involving distributed systems, networking, or parallel computing.

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Understanding of basic cybersecurity concepts.

Our Culture:

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.

We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. This is reflected in our wide range of Global Employee Networks centered on inclusion and diversity.

As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role