Sadler Recruitment
Principal Platform Engineer

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Senior Platform Engineer
Location: Caerphilly
Salary: £60,000 per annum
About the Role
This role is responsible for building and running platform infrastructure in a private cloud environment. This is not a public cloud role. It suits engineers who want to keep using on-premise infrastructure skills, including virtualisation and enterprise backup technologies, rather than move fully into public cloud. The infrastructure supports large public sector clients, so security standards are strict and must be followed closely. You will own core platform components. You will work to improve system uptime and speed up how quickly new code can be released.
Key Responsibilities
Platform Architecture & Operations
- Build and run CI/CD pipelines.
- Build and run container orchestration systems.
- Build and run monitoring and logging systems.
- Build and run service mesh.
- Manage virtualisation infrastructure using VMware and/or Hyper-V.
- Manage backup and disaster recovery using Veeam.
- Use Infrastructure as Code to automate environments.
- Research and add new platform tools when needed.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
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Security
- Apply strict security standards required for public sector clients.
- Make sure infrastructure meets compliance and audit requirements.
- Work closely with security teams on access control and data protection.
Reliability & Incident Management
- Improve system reliability and performance.
- Lead incident response when something breaks.
- Write reports after incidents explaining what happened and why.
Enablement & Standards
- Help development teams deploy their own applications.
- Set platform rules for security, scalability, and cost.
- Make sure those rules are followed.
Technical Leadership
- Mentor other engineers.
- Lead technical decisions on platform projects.
Experience Required
- Senior-level experience as a platform, infrastructure, or site reliability engineer.
- Strong experience with private cloud or on-premise infrastructure.
- Hands-on experience with VMware and/or Hyper-V virtualisation.
- Hands-on experience with Veeam backup and recovery.
- Hands-on experience with Docker and Kubernetes.
- Experience with Infrastructure as Code tools.
- Experience building and running CI/CD pipelines.
- Experience with monitoring, logging, and alerting tools.
- Experience managing incidents.
- Strong scripting and automation skills.


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Skills & Attributes
- Can explain technical decisions clearly to non-technical people.
- Comfortable working with multiple teams.
- Focused on automation and reducing manual work.
- Able to manage both urgent issues and long-term projects.
- Comfortable working within strict security and compliance rules.
Desirable
- Experience mentoring engineers.
- Experience with service mesh, chaos engineering, or advanced observability tools.
- VMware or Veeam certifications.
- Public sector or government client experience.
What's on Offer
- A senior role with direct input into platform architecture and tooling.
- Responsibility for improving reliability and deployment speed.
- Work on infrastructure that supports large public sector clients.
- Salary of circa £60,000, based on experience.
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