Jobs/Infrastructure, IT, & Security/United Kingdom

Infrastructure, IT, & Security Jobs in United Kingdom

Infrastructure, IT, & Security roles at companies building the future — in United Kingdom.

251 open roles · Updated Nov 6, 2026

251 jobs

Second Front Systems Senior Platform Engineer (United Kingdom)

Remote · United Kingdom

$147k–$174k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: Defense

Cambridge Aerospace Global Director of IT

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Director
Sector: Defense

Databricks Senior Specialist Solutions Architect (SSA - Cloud Infrastructure)

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: AI App

OLIX Security Engineer

United Kingdom

$186k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: Compute & Semiconductors

Fluidstack Software Engineer, Networking

United Kingdom · New York, NY · San Francisco, CA · Austin, TX · Seattle, WA

$173k–$279k / year

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: Compute & Semiconductors

Stripe Staff Security Engineer, Abuse Control

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Staff / Principal
Sector: Fintech

Nvidia Senior Cloud Infrastructure and Network Operations Solutions Architect

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: Compute & Semiconductors

OpenAI Dedicated Support Engineer - London

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: AI Research

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Cognition IT Engineer

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: AI App

ElevenLabs Infrastructure Security Engineer

Remote · United Kingdom · Ireland · Croatia · Hungary · Bulgaria · Belgium · Denmark · Portugal · Poland · Sweden · Italy · Spain · Czech Republic · Netherlands

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: AI Research

Octopus Energy TechOps Manager

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Manager
Sector: Energy & Climate

Applied Intuition Senior Cloud Infrastructure Engineer

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: AI Research

SpaceXAI Sr. Infrastructure Security Engineer

Ireland · United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: AI Research

Isomorphic Labs Software Engineer (Scheduler), London

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: Bio & Health

Cohere Software Engineer, ML Ops

Remote · United Kingdom · Europe · Germany

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: AI Research

CoreWeave Senior Specialist Field Engineer - Networking

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: Compute & Semiconductors

Vercel Security Software Engineer, Detection & Response

San Francisco, CA · New York, NY · United Kingdom

$208k–$312k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: AI App

Reflection AI Member of Technical Staff - Shared Services

New York, NY · San Francisco, CA · United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: AI Research

Bending Spoons Security engineer

United Kingdom · Italy · Spain · Poland

$115k–$203k / year

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: AI App

Palantir Forward Deployed Infrastructure Engineer, New Grad - UK Government

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Entry-Level
Sector: AI App

Clay IT Support Engineer

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: AI App

Perplexity Member of Technical Staff (Software Engineer, Fraud Prevention)

United Kingdom · Serbia

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: AI App

Checkout Application Security Specialist

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Entry-Level
Sector: Fintech

Recursive Superintelligence Platform Engineer

United Kingdom

$200k–$500k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior
Sector: AI Research

Granola Tech Ops Lead

United Kingdom

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level
Sector: AI App

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Frequently asked questions

How many infrastructure, it, & security jobs are in United Kingdom?: There are currently 251 open infrastructure, it, & security roles in United Kingdom on BuildList, refreshed hourly from company career pages.
What companies hire infrastructure, it, & security talent in United Kingdom?: The live list includes companies building the future across AI, defense, aerospace, robotics, energy, and more. Sort and filter the openings to compare employers, levels, sectors, and stages.
Are there remote infrastructure, it, & security jobs outside United Kingdom?: Yes. BuildList has a dedicated remote infrastructure, it, & security view for roles companies explicitly mark as remote. Regional restrictions can still apply.
How do I apply for infrastructure, it, & security jobs in United Kingdom?: Every listing links straight to the company's own application page — BuildList doesn't sit between you and the employer, so there's no account or middleman.