Senior Platform Engineer
Confirmed on the employer's own hiring board on Oct 9, 2026. First seen by Alion on Oct 5, 2026.
About the Role
Our world-leading Time & Frequency department are seeking a Senior Platform Engineer with experience in VMware technologies, VDI platforms, automation, systems administration, and infrastructure resilience.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
As a Senior Platform Engineer specialising in Virtualisation, Windows, and Security, you will support and maintain critical infrastructure across multiple customer environments, with a strong focus on automation and DevOps practices. Working as part of a specialist team, you will design, deploy, administer, and optimise virtualisation platforms, end-user computing solutions, servers, and supporting infrastructure services, including orchestration services (Kubernetes) running on virtual platforms.
Key responsibilities include:
- Administering, maintaining, and optimising VMware vCenter and vSAN environments.
- Supporting and developing VDI platforms.
- Managing Windows Server environments, including Active Directory, Trusts, DNS, Group Policy, PKI, certificate services, and security hardening.
- Designing, implementing, and supporting resilient, highly available infrastructure solutions, while troubleshooting complex infrastructure, platform, and network issues.
- Delivering upgrades, migrations, patching, and lifecycle management activities.
- Developing automation and orchestration capabilities using scripting and Infrastructure as Code (IaC).
- Supporting enterprise security initiatives, including privileged access management, monitoring, logging, and data protection.
- Producing technical documentation, operational procedures, and support runbooks.
- Contributing to disaster recovery, business continuity, and redundancy planning.
- Travelling to sites as required to support deployment, implementation, and operational activities.
About You
Essential Criteria
To be successful in this role, you will have:
- Experience designing, deploying, administering, and supporting VMware environments, including ESXi, vCenter, and vSAN.
- Experience administering Windows Server in enterprise environments, including the design, implementation, and support of Microsoft services such as Active Directory, Group Policy, and PKI.
- Experience supporting VDI environments.
- Strong scripting and automation skills using one or more of PowerShell, Ansible, Bash, Python, or Terraform.
- Experience designing, implementing, maintaining, and supporting secure, resilient, and highly available systems.
- Experience producing technical documentation, operational procedures/runbooks, and implementation plans.
- Strong stakeholder management, communication, and engagement skills.
- Demonstrable experience in a senior infrastructure, platform engineering, systems administration, or technical consultancy role.
- Relevant certifications in VMware, Omnissa, Microsoft, or automation technologies are desirable.
Desirable Criteria
- Knowledge of Linux operating systems, with a willingness to further develop skills in Linux & related Linux tooling.
- Experience with Kubernetes and containerised platforms.
- Experience supporting infrastructure in regulated, public sector, financial, or security-conscious 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.
However, to work in this role in the Time & Frequency department, you will need to have an SC clearance with no restrictions, or you must have the ability to obtain an SC clearance.
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.