12 Jun 2026
12 Jun 2026
Teddington, United Kingdom
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Optical Frequency Metrology
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Starting from £40,138 (dependent on experience)
Permanent

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Systems Engineer

About the Role
- Our world-leading Time & Frequency department is seeking a experienced Systems Engineer with proven expertise in application of Systems Engineering principles and systems development approaches.
  
  This is an exceptional opportunity to join the global authority in precision timing at a defining moment for UK digital infrastructure.
  
  Backed by a government investment of £180 million in the National Timing Centre (NTC) programme, we are developing a world-first resilient time distribution capability that will provide industry with a robust complement to satellite systems (such as GPS) – which are increasingly vulnerable to disruption from solar storms, jamming and spoofing. This will underpin essential services, including
  
  Telecommunications,
  
  Online banking,
  
  Emergency response,
  
  Transport networks, and
  
  Wider digital and data-driven operations.
  
  Together, these services form the backbone of modern society - and your leadership will help ensure they remain secure, reliable and robust even if global navigation satellite systems fail.
  
  Key responsibilities:
  
  Supporting early lifecycle systems engineering activities, including concept definition, functional decomposition, and requirements development
  
  Defining system and subsystem architectures, including boundaries, interfaces, and packaging in collaboration with multidisciplinary teams
  
  Modelling and analysing system behaviour, interfaces, and performance to inform design decisions and reduce technical risk
  
  Identifying, assessing, and communicating technical risks, assumptions, and trade-offs clearly and proportionately
  
  Producing clear, structured systems engineering artefacts (requirements, architectures, models) in line with internal processes, to time, cost, and quality
  
  Ensuring traceability from user needs through to system requirements and design decisions across the product lifecycle
About You
- To be successful in this role, you will have the following skills, experience, and qualifications:
  
  Essential:
  
  Degree in Engineering (e.g. Systems, Mechanical, Optical, Electronics, Software) or a closely-related discipline (e.g. Physics)
  
  A collaborative, proactive approach and confidence working in the presence of technical ambiguity
  
  Essential technical skills:
  
  Application of Systems Engineering principles to the design and development of complex or multidisciplinary systems
  
  Experience with early lifecycle systems engineering activities, including requirements definition, system architecture, modelling, or functional decomposition
  
  Experience working on complex technical systems (e.g. instrumentation, research facilities, or bespoke engineered systems)
  
  Familiarity with systems development approaches (e.g. V-model, iterative, or agile)
  
  Ability to produce clear and structured technical artefacts (e.g. requirements, architectures, models)
  
  Desirable:
  
  Time and frequency measurement, time scales or precision metrology
  
  Real‑time monitoring and control of electronic or optical hardware
  
  Satellite communications, optical fibre networks or GNSS‑based systems
  
  Research or laboratory‑based engineering environments
  
  We actively recruit citizens of all backgrounds, but the nature of our work in specific departments means that nationality, residency and security requirements can be more tightly defined than others. You will be asked about this throughout the recruitment process. To work at NPL, you will need to obtain BPSS security clearance.
  
  For this role you will need to have an SC clearance with no restrictions, or you must have the ability to obtain an SC clearance.
  
  Please note: Applications will be reviewed, and interviews conducted throughout the duration of this advert therefore we may at any time bring the closing date forward. We encourage all interested applicants to apply as soon as practical.
About Us
- The National Physical Laboratory (NPL) is a world-leading centre of excellence that provides cutting-edge measurement science, engineering and technology to underpin prosperity and quality of life in the UK. Find out more about what it is like working here - The measure of us - Overview
  
  NPL and DSIT have strong commitments to diversity and equality of opportunity, and welcome applications from candidates irrespective of their background, gender, race, sexual orientation, religion, or age, providing they meet the required criteria. Applications from women, disabled and black, Asian and minority ethnic candidates in particular are encouraged. All disabled candidates (as defined by the Equality Act 2010) who satisfy the minimum criteria for the role will be guaranteed an interview under the Disability Confident Scheme.
  
  At NPL, we believe our success is a result of the diversity and talent of our people. We strive to nurture and respect individuals to ensure everyone feels valued by treating everyone on the basis of their own individual merits and abilities regardless of their own or perceived identity, as part of our commitment to diversity & inclusion, we ensure we’re creating an environment where all our colleagues feel supported and welcome. More about this on our Diversity & Inclusion page.
  
  We are committed to the health and well-being of our employees. Flexible working and social activities are embedded in our culture to create a positive work-life balance, along with a broad range of rewards, benefits and recognition. Our values are at the heart of what we do, and they shape the way we interact, develop our people and celebrate success. To ensure everyone has an equal chance, we’re always willing to make reasonable adjustments to the recruitment process. If you would like to discuss, please contact us.