IT Engineer

CORE POWER; Greater London; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading energy technology company in Greater London is seeking an IT Engineer to support a high-performance computing environment alongside Microsoft platforms. The ideal candidate will have robust experience in Linux and Windows systems, and will be responsible for optimizing system performance and providing technical support to the team. This role demands a proactive approach to problem-solving and effective communication skills. A bachelor's degree in computer science or a related field is preferred, along with significant experience in relevant technologies.

Qualifications

• 3+ years of experience in Linux Systems Administration.
• 5+ years in Microsoft 365 and Windows support.
• Experience in hybrid environments with Linux and Microsoft.

Responsibilities

• Maintain and administer the HPC environment.
• Monitor system performance and resolve issues.
• Provide IT support to employees.

Skills

Linux Systems Administration

Microsoft 365/Windows Support

Troubleshooting across systems

Scripting/automation

HPC technologies familiarity

Education

Bachelor’s degree in computer science or related field

Tools

Linux (RHEL/CentOS/Ubuntu)

Microsoft 365

Job description

Founded in 2018 to solve the challenge of delivering clean energy security to our customers using waterborne nuclear power, CORE POWER is the OECD’s leading developer of advanced nuclear technologies for maritime applications. As pioneers in our field, we are not just adapting to change – we are driving it. Through LIBERTY, the world’s first complete end-to-end maritime civil nuclear program, CORE POWER will combine our development of advanced new nuclear technologies with maritime manufacturing and shipyard construction to build floating nuclear power plants and marine civil nuclear propulsion for commercial ships.

We foster a culture of curiosity, encouraging the team to continuously learn and develop their understanding, share ideas and explore new technologies. Curiosity fuels our innovation, expertise, and creative solutions. We are reimagining energy. Delivering the future!

Role Summary

The IT Engineer’s role is to support and operate a high-performance computing (HPC) environment alongside Microsoft Windows and 365 environments, ensuring reliable, secure, and high-performing systems across a hybrid estate.

Key Responsibilities

The key responsibilities for the role are:

• Maintain and administer the local High-Performance Computing (HPC) environment, including hardware, OS, user access, and routine tasks.
• Monitor system performance, capacity, and availability; proactively resolve issues
• Support HPC workloads including scheduling, storage, networking, and compute optimisation
• Manage Linux servers (RHEL/CentOS/Ubuntu), including patching, hardening, and automation
• Implement and maintain backup, disaster recovery, and security controls
• Collaborate with engineering and research teams to optimise HPC usage and performance
• Maintain clear documentation, runbooks, and operational procedures

Cross-Platform Responsibilities (Windows & Microsoft 365)

• Manage identity and access across Linux and Microsoft environments
• Implement and maintain backup, disaster recovery, and security controls
• Maintain clear documentation, runbooks, and operational procedures
• Serving as the first point of contact for IT support within the organisation
• Help monitor and maintain internal IT systems, including servers, networks, printers, and cloud services.
• Contribute to asset management and inventory tracking.
• Testing new hardware and software before full-scale installation
• Diagnose and resolve hardware, software, and network issues.
• Performing routine maintenance tasks to ensure the stability and performance of IT systems.
• Assist in IT projects as required to support company objectives.

End-user Support

• Serving as the first point of contact for IT support within the organisation
• Administer and support Microsoft 365 services (Exchange Online, Teams, Entra ID)
• Provide Windows desktop and server support across the organisation
• Provision and manage laptops, desktops, and mobile devices
• Support onboarding and offboarding (accounts, access, and equipment)
• Respond promptly to IT support requests from employees
• Provides clear and helpful instructions to end-users.
• Assist with hardware setup and deployment
• Providing training to employees on the proper use of IT systems and tools.
• Diagnose and resolve hardware, software, and network issues
• Installing, configuring and maintaining software and hardware components of computer and network systems

Job Requirements

• Linux Systems Administration: ~3+ years (enterprise or HPC environment preferred)
• Microsoft 365 / Windows Support: ~5+ years
• Experience working in hybrid environments (Linux and Microsoft stack)
• Familiarity with HPC technologies (e.g. OpenHPC, PBS, SLURM or similar schedulers)
• Scripting/automation experience (Bash, Python, PowerShell)
• Strong troubleshooting capability across systems, networks, and applications

Qualifications/ Experience

• Bachelor’s degree in computer science, information technology, or a related field or equivalent industry experience is preferred.
• 3+ years Linux Systems Administration
• 5+ years Microsoft 365/Windows Desktop Support
• Strong experience in Linux systems
• Familiarity with basic networking concepts (IP, DNS, DHCP).
• Good troubleshooting mindset and a calm, user-friendly approach to resolving issues.
• Good written documentation habits and verbal communication skills.
• IT troubleshooting and problem-solving, with the ability to handle technical issues efficiently.
• Knowledge of industry-specific compliance requirements, regulations, and standards.
• Ability to work effectively in a team environment and collaborate with colleagues and vendors as required to achieve IT objectives.
• Effective communication skills, both written and verbal, to interact with team members, employees, and external vendors.
• Strong organizational skills, with the ability to prioritise tasks and manage workload effectively.
• Flexibility and adaptability to respond to changing IT needs and challenges.
• Desired exposure to:
• Ubuntu, Debian, or RHEL-based systems
• Bash, Python or PowerShell scripting
• Git, containers, or virtualisation

Behaviour

• Proactive and results-oriented mindset
• Positive ‘can do’ attitude.
• Adaptable, motivated, and well organised
• Ability to work effectively with cross-functional teams.
• Comfortable working in a fast-paced environment

How to Apply

If you are interested in joining CORE POWER, please submit your CV and a cover letter by Monday, 13 April, outlining your experience and motivation to join our team!