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London

Nov 14, 2025

DevOps Engineer

Our world-leading Time & Frequency department are seeking an experienced and practicing Senior Software Engineer with proven expertise in DevOps automation and container orchestration. You will be joining our team at an exciting time - we maintain the UK’s National Time Scale, UTC (NPL), and are currently developing a new resilient Time Scale facility that will underpin our Critical National Infrastructure...

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Nov 13, 2025

Senior Scientist – Time & Frequency

Our world-leading Time & Frequency department seek an experienced and practicing Senior Scientist / Engineer. You will be joining our team at an exciting time - we maintain the UK’s National Time Scale, UTC (NPL), and are currently developing the UK's first resilient Time Scale facility that will underpin our Critical National Infrastructure (CNI). This will address the risks associated with our dependency on...

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Nov 12, 2025

Senior Programme Controller

We’re seeking a Senior Programme Controller to work on NPL’s National Timing Centre Delivery Programme (NTCDP) - a high-profile, complex initiative at the heart of the UK’s future Critical National Infrastructure. The NTCDP is the UK's first nationally-distributed timekeeping infrastructure. It aims to provide trusted and assured time and frequency distribution; reducing reliance on Global Navigation Satellite Systems (GNSS) like GPS...

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Nov 12, 2025

Programme Controller

We’re seeking a Programme Controller to work on NPL’s National Timing Centre Delivery Programme (NTCDP) - a high-profile, complex initiative at the heart of the UK’s future Critical National Infrastructure. The NTCDP is the UK's first nationally-distributed timekeeping infrastructure. It aims to provide trusted and assured time and frequency distribution; reducing reliance on Global Navigation Satellite Systems (GNSS) like GPS..

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Nov 10, 2025

Head of Commercial Finance

Helios Towers build, acquire, lease-up, and operate telecommunications towers that can accommodate and power the needs of multiple tenants. Our tenants are the major Mobile Network Operators (MNOs), and we serve them across nine high-growth markets...

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Nov 10, 2025

Category Lead

Helios Towers are a leading independent telecoms infrastructure company, with one of the most extensive tower portfolios across Africa and the Middle East. Our business model promotes tower infrastructure sharing and enables mobile network operators (MNOs) to deliver mobile connectivity

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Aug 19, 2025

Trading Desk Operations Engineer

Jane Street are looking for individuals eager to use their technical, organizational, and communication skills in a fast-paced environment to join our TDOE team. Our TDOEs are integral to the firm’s success, building and maintaining desk infrastructure that supports the trading of thousands of financial products across 200 venues in over 45 countries...

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