Iceberg
Principal Security Engineer – Cloud & Kubernetes

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I’m working with a leading investment firm in London looking to hire a Principal Security Engineer to help shape how security is designed across its cloud and Kubernetes environments. This is a senior technical role sitting between security architecture and engineering.
They’re looking for someone who can look at a cloud or Kubernetes environment, identify the risks, design practical security guardrails and then work closely with engineering teams to bring those controls to life.
You don’t need to be an expert in both Cloud and Kubernetes. Deep experience in either area is of interest; if you have both, even better.
Your background could include:
- AWS, GCP or Azure security
- Kubernetes and container security
- Cloud IAM, networking, encryption and secrets management
- Infrastructure-as-Code and policy-as-code
- Automated security guardrails
- CI/CD and software supply-chain security
- Threat modelling and security design reviews
- Working closely with platform, infrastructure and software engineering teams
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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.
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No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
The important thing is that you understand modern engineering environments well enough to identify risk, challenge technical decisions and design security controls that engineers can actually implement.
This isn't a role where you'll simply write security standards and hand them over. You'll work directly with some exceptionally strong engineers and have real influence over how platforms and applications are designed and secured.


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At the same time, you don't need to be a hardcore software developer. If you do come from a particularly hands-on engineering background, there will be scope to get involved in implementation as well.
They have a high technical and academic bar and are particularly interested in people who have worked within complex, engineering-led environments.
Up to £200k-£250k total compensation. London-based, five days per week onsite.
If you're a senior security engineer who's increasingly finding yourself designing the solution rather than simply implementing it, I'd be interested in speaking.
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