Cybersecurity Engineer jobs in United Kingdom hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $160,786/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
United Kingdom
AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
Product
Design
Fintech
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science
Applied AI
LLM & agents
AI integration
Research
MLOps
AI hardware
Vision & speech
AI product
AI Safety
LLM
RAG
PyTorch
Prompting
TensorFlow
LangChain
Fine-tuning
NLP
More
Backend
ERP & CRM
Solutions
QA
Frontend
Mobile
Full Stack
Web3
Gamedev
Python
Java
JavaScript
TypeScript
C++
C#
Go
Kotlin
PHP
Rust
More
Data Science
Data Engineering
Business analysts
Data analysts
Systems analysts
BI
Databases
SQL
Python
Power BI
Databricks
Snowflake
Tableau
Spark
BigQuery
dbt
More
Security engineers
AppSec & DevSecOps
SOC & response
Threats & pentest
IAM
Security leaders
SIEM
ISO 27001
Zero Trust
SOC 2
Active Directory
Splunk
OWASP
PCI DSS
More
IT support
DevOps & SRE
Sysadmins
Networks
Cloud
Data centers
Linux
AWS
Azure
Kubernetes
Terraform
GCP
More
Engineering managers
Engineering directors
AI & data directors
Tech PM
CTO & C-level
Product & IT directors
Product managers
Program managers
Heads of product
Product Ops
Project managers
Scrum & Agile
Tech writers
DevRel
Release managers
AI agents
Jira
SQL
A/B tests
Power BI
More
Product designers
UX/UI
Graphic & visual
Design leads
Brand & art
Web designers
Motion
Figma
Photoshop
After Effects
Illustrator
More
Payments
Digital banking
Lending & BNPL
Trading & investing
InsurTech
RegTech & fraud
Finance software & data
Crypto
Engineering
Data & ML
Quant
Product & design
Security
More
Chip design
Fab equipment
Fabs
Electronics & RF
Embedded
Photonics
Architecture
Quantum
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Defense manufacturing
C4ISR
Missiles & air defense
Electronic warfare
Military drones
Defense AI
Space defense
Intelligence
Naval
Military comms
With clearance
No clearance
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Aircraft
Satellites
Avionics
Rockets & launch
Space services
Satcom
Earth observation
eVTOL
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Drugs
Lab equipment
Oncology
CRO & CDMO
Biologics
Immunology
Cardiometabolic
Neurology
Vaccines
Rare diseases
Genomics
Gene therapy
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Nuclear
Renewables
Storage
Hydrogen
EV charging
Fusion
Grid & electrification
Oil & Gas
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Robot software
Self-driving
Industrial robots
Drones
Warehouse robots
Humanoids
Industrial automation
Mechatronics
Medical robots
Engineering
Science & R&D
Technicians
Software & data
Internships
More
EV & powertrain
ADAS & self-driving
Vehicle software
Vehicle engineering
Test & safety
Carmakers
Suppliers
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Diagnostics
Surgery
Neurotech
Cardio
Diabetes
Orthopedics
Imaging
Patient monitoring
Medical robots
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Physics
Chemistry
Materials
Life sciences
Earth & environment
Computational
Postdocs & fellows
Research institutes
9,128 remote jobs are open to candidates in United Kingdom.Show remote jobs
version1.com · HQ: Dublin, Ireland · Managed IT Services (MSP) · Enterprise Apps Implementation Partners · IT Consulting & Digital Transformation · 1001-5000 employees · Est. 1996 · IT services · Trust B · Hiring 129, 21 new
HQ: Dublin, Ireland · Managed IT Services (MSP) · Enterprise Apps Implementation Partners · IT Consulting & Digital Transformation · 1001-5000 employees · Est. 1996 · IT services · Trust B · Hiring 129, 21 new
Version 1 is an Irish technology services company founded in Dublin in 1996 that delivers digital transformation, enterprise applications and managed services to public sector bodies and large private organisations. Its practices cover cloud migration on the major hyperscalers, Oracle and Microsoft enterprise applications, custom software engineering, data and artificial intelligence, and infrastructure managed services, with much of its revenue coming from British and Irish government contracts. The company is headquartered in Dublin, employs several thousand people across Ireland, the United Kingdom, India and North America, and is majority owned by Partners Group.
valarian.com · HQ: London, United Kingdom · AI Governance & Compliance · 51-200 employees · Est. 2020 · Startup · Trust A · Hiring 13, 1 new
HQ: London, United Kingdom · AI Governance & Compliance · 51-200 employees · Est. 2020 · Startup · Trust A · Hiring 13, 1 new
Valarian gives organisations the control architecture required for high-consequence operations and increasingly capable systems. Built in Britain by operators who have seen what breaks.
elevenlabs.io · HQ: New York, United States · Generative Audio & Music · Conversational AI · Speech & Audio AI · 1001-5000 employees · Est. 2022 · Trust A · Hiring 135, 9 new
HQ: New York, United States · Generative Audio & Music · Conversational AI · Speech & Audio AI · 1001-5000 employees · Est. 2022 · Trust A · Hiring 135, 9 new
ElevenLabs is a voice artificial intelligence company founded in 2022 by two friends from Poland who were frustrated by how badly foreign films were dubbed into their own language. It builds speech synthesis, voice cloning, dubbing and conversational voice agents, and its models are widely regarded as the most natural sounding in the field, which has made it the default choice for audiobooks, video localisation and voice interfaces. Headquartered between London and New York and valued in the billions, it has also had to build unusually strict consent and detection controls because voice cloning is so easily abused.
instadeep.com · HQ: London, United Kingdom · AI Chips & Accelerators · Machine Learning · 51-200 employees · Est. 2014 · Startup · Hiring 2
HQ: London, United Kingdom · AI Chips & Accelerators · Machine Learning · 51-200 employees · Est. 2014 · Startup · Hiring 2
InstaDeep is an artificial intelligence company founded in Tunis in 2014 that applies reinforcement learning and deep learning to decision-making problems in biology, logistics and chip design. It built early warning systems for viral variants and optimisation products for railway and manufacturing operations. BioNTech acquired the company in 2023, and it continues to run research offices across Europe and Africa.
granola.ai · HQ: London, United Kingdom · LLM & Generative AI · Office & Productivity Software · 1001-5000 employees · Est. 2023 · Startup · Trust C · Hiring 21, 1 new
HQ: London, United Kingdom · LLM & Generative AI · Office & Productivity Software · 1001-5000 employees · Est. 2023 · Startup · Trust C · Hiring 21, 1 new
Granola is a software company that makes an AI notepad for meetings, which transcribes calls without a bot joining and combines the transcript with the user's own notes into structured summaries. It has grown into a shared team workspace used by companies such as Vercel, Cursor, Lovable and Decagon, and it hires tech ops, sales development, design engineering and strategic finance staff in London and San Francisco. The company is headquartered in London, England, United Kingdom.
ft.com · HQ: London, United Kingdom · Publishing · Financial News & Media · 51-200 employees · Est. 1888 · Trust B · Hiring 37, 2 new
HQ: London, United Kingdom · Publishing · Financial News & Media · 51-200 employees · Est. 1888 · Trust B · Hiring 37, 2 new
The Financial Times is a leading international news organization renowned for its authoritative reporting on global business, finance, economics, and geopolitical affairs. Best known for its signature salmon-pink newsprint and digital platform, the outlet provides in-depth analysis, market data, and investigative journalism to a executive and financial audience worldwide. Operating under Nikkei Inc., it serves over one million paying subscribers with reliable intelligence and editorial insights that shape global market conversations.
pipedrive.com · HQ: New York, United States · CRM Software · 501-1000 employees · Est. 2010 · Trust B · Hiring 8
HQ: New York, United States · CRM Software · 501-1000 employees · Est. 2010 · Trust B · Hiring 8
Pipedrive is a sales CRM for small and medium-sized businesses, helping teams track pipelines, manage deals and automate sales work. Founded in 2010 in Estonia, it has major offices in Tallinn, Tartu, Lisbon, Dublin, London and Berlin. The company is headquartered in New York City, United States.
anthropic.com · HQ: San Francisco, United States · Code Intelligence · AI Research Labs · AI Safety & Alignment · Foundation Models · LLM & Generative AI · 1001-5000 employees · Est. 2021 · Trust B · Hiring 672, 45 new
HQ: San Francisco, United States · Code Intelligence · AI Research Labs · AI Safety & Alignment · Foundation Models · LLM & Generative AI · 1001-5000 employees · Est. 2021 · Trust B · Hiring 672, 45 new
Anthropic is an American artificial intelligence safety and research company founded in 2021 by former OpenAI researchers, among them the siblings Dario and Daniela Amodei. It develops the Claude family of large language models and ships them through a consumer assistant, an enterprise developer platform and the Claude Code agentic coding tool, alongside open standards such as the Model Context Protocol. Incorporated as a public benefit corporation and headquartered in San Francisco, the company concentrates on interpretability, alignment and reliability research and counts Google and Amazon among its largest investors.
airapps.co · HQ: San Francisco, United States · Consumer & Utility Software · Office & Productivity Software · 1001-5000 employees · Est. 2017 · Trust A · Hiring 424
HQ: San Francisco, United States · Consumer & Utility Software · Office & Productivity Software · 1001-5000 employees · Est. 2017 · Trust A · Hiring 424
Founded in 2017, Air Apps is a prominent mobile software developer specializing in AI-driven utility, productivity, and personal management applications. Headquartered in San Francisco, California, United States, the enterprise operates a remote-first global team that designs and manages a broad portfolio of digital tools. Through its bundled subscription model and suite of user-friendly mobile solutions, it provides millions of consumers worldwide with streamlined options for daily organization, translation, and task automation.
cisco.com · HQ: San Jose, United States · Endpoint Security · Observability & APM · Unified Communications · Network Security · Network Equipment · 5000+ employees · Est. 1984 · NASDAQ: CSCO · Trust B · Hiring 1214, 165 new
HQ: San Jose, United States · Endpoint Security · Observability & APM · Unified Communications · Network Security · Network Equipment · 5000+ employees · Est. 1984 · NASDAQ: CSCO · Trust B · Hiring 1214, 165 new
Cisco Systems is an American networking company founded in 1984 by Stanford computer scientists Leonard Bosack and Sandy Lerner, and headquartered in San Jose, California. It is the largest supplier of enterprise networking equipment in the world, building the routers, switches, wireless access points and optical systems that carry traffic across corporate networks, service providers and data centres, together with the software and silicon that run them. The company has diversified heavily into security, observability through Splunk, collaboration with Webex, and AI infrastructure networking, and now earns a growing share of revenue from software subscriptions rather than hardware sales.
≈ $107k – $261k per year (Estimated) · Middle · 3+ years exp · Zurich · Brussels · Madrid · Bratislava · London · Remote (Switzerland) · Full-Time · Middle
perplexity.ai · HQ: San Francisco, United States · Foundation Models · LLM & Generative AI · Search Engines · AI Search · 1001-5000 employees · Est. 2022 · Trust B · Hiring 135, 7 new
HQ: San Francisco, United States · Foundation Models · LLM & Generative AI · Search Engines · AI Search · 1001-5000 employees · Est. 2022 · Trust B · Hiring 135, 7 new
Perplexity AI is an American company that builds an answer engine combining live web search with large language models to return sourced, conversational responses instead of a list of links. Its products span a consumer assistant on web and mobile, the Comet browser, enterprise search over internal documents and the Sonar developer API that exposes the same grounded retrieval stack. Founded in 2022 in San Francisco by former researchers and engineers from OpenAI, Meta and Databricks, the company is backed by NVIDIA, IVP, New Enterprise Associates and SoftBank.
$220k – $405k per year · Staff+ · 5+ years exp · Hybrid (San Francisco, New York, United States, London, United Kingdom, Belgrade, Serbia) · Full-Time · Staff
squarepoint-capital.com · HQ: London, United Kingdom · Asset Management & Funds · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 2014 · Trust C · Hiring 73, 1 new
HQ: London, United Kingdom · Asset Management & Funds · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 2014 · Trust C · Hiring 73, 1 new
Squarepoint Capital is a global quantitative investment manager that runs systematic trading strategies across equities, fixed income, foreign exchange, commodities and derivatives, built on in-house research, execution and portfolio management technology. Founded in 2014 as a spin-out of the quantitative trading business of Deutsche Bank, it operates offices in North America, Europe and Asia-Pacific, including New York, Montreal, Singapore, Bengaluru and Geneva. The firm is headquartered in London, England, United Kingdom.
saviynt.com · HQ: El Segundo, United States · Security Compliance · Identity Management · 501-1000 employees · Est. 2010 · Trust A · Hiring 63, 6 new
HQ: El Segundo, United States · Security Compliance · Identity Management · 501-1000 employees · Est. 2010 · Trust A · Hiring 63, 6 new
Saviynt is an identity security software company whose cloud platform, Saviynt Enterprise Identity Cloud, combines identity governance and administration, privileged access management, application access governance and third-party access management. It serves large enterprises and government agencies, with engineering centers in Bengaluru and a federal office in Reston, Virginia. The company is headquartered in El Segundo, California, United States.
sjp.co.uk · HQ: Gloucester, United Kingdom · Asset Management & Funds · Wealth Management & Financial Advisors · 501-1000 employees · Est. 1991 · Trust A · Hiring 19
HQ: Gloucester, United Kingdom · Asset Management & Funds · Wealth Management & Financial Advisors · 501-1000 employees · Est. 1991 · Trust A · Hiring 19
St James's Place is a UK wealth management group that provides financial advice and investment management to individuals, families and businesses through a large network of advisers. Its offering covers pensions, investment bonds, ISAs, unit trusts and financial planning, with client money allocated across external fund managers chosen by the firm. The business was founded in 1991 by Jacob Rothschild, Mark Weinberg and Mike Wilson, is headquartered in Cirencester and is listed on the London Stock Exchange.
auros.com · New York · London · Hedge Funds & Alternative Investments · Cryptocurrencies · 51-200 employees · Hiring 2
New York · London · Hedge Funds & Alternative Investments · Cryptocurrencies · 51-200 employees · Hiring 2
Auros is an algorithmic trading and market-making firm specialising in digital asset liquidity provision. It trades across more than 10 global locations with connectivity to over 50 venues and hires security engineers, DevOps engineers and trading operations analysts. The firm is based in the United Kingdom.
cloudflare.com · HQ: San Francisco, United States · Cloud Security · DNS Services · Web Security & DDoS Protection · CDN & Edge Delivery · 1001-5000 employees · Est. 2009 · Trust B · Hiring 444, 37 new
HQ: San Francisco, United States · Cloud Security · DNS Services · Web Security & DDoS Protection · CDN & Edge Delivery · 1001-5000 employees · Est. 2009 · Trust B · Hiring 444, 37 new
Cloudflare is an American internet infrastructure company founded in 2009 that operates a global network sitting in front of a large share of the world's websites and applications. Traffic passing through it is cached, accelerated and filtered for attacks, and the same network now runs a zero trust access product for corporate applications, a serverless compute platform called Workers, object storage without egress fees, and a developer platform for databases, queues and artificial intelligence inference. Headquartered in San Francisco and listed on the New York Stock Exchange, it publishes widely read research on internet traffic patterns and attack trends.
natilik.com · HQ: London, United Kingdom · Managed Network Services · Managed IT Services (MSP) · 11-50 employees · Trust B · Hiring 6
HQ: London, United Kingdom · Managed Network Services · Managed IT Services (MSP) · 11-50 employees · Trust B · Hiring 6
Natilik is a technology services partner specialising in a range of solutions to help you achieve your goals and drive real business results. We are experts at confidently guiding businesses to ensure you get the very best from your technology.
10alabs.com · London · Washington · Sydney · Threat Intelligence · AI Safety & Alignment · Cybersecurity AI · Likely startup · Trust C · Hiring 18, 1 new
London · Washington · Sydney · Threat Intelligence · AI Safety & Alignment · Cybersecurity AI · Likely startup · Trust C · Hiring 18, 1 new
10a Labs is an applied research and technology company specialising in AI security, offering adversarial red teaming, model evaluations and threat intelligence. Its clients include frontier AI labs, AI companies and large technology platforms, and it hires threat investigators, red teamers and protection scientists. The company is based in the United States.
synthesized.io · HQ: London, United Kingdom · AI Training Data & Annotation · Synthetic Data · 11-50 employees · Est. 2018 · Startup · Trust B · Hiring 3
HQ: London, United Kingdom · AI Training Data & Annotation · Synthetic Data · 11-50 employees · Est. 2018 · Startup · Trust B · Hiring 3
Synthesized generates privacy-preserving synthetic datasets that keep the statistical structure of the original data. Founded in 2018 in London by Cambridge researchers, it targets banks and insurers blocked from sharing real records. Its tooling also rebalances datasets to reduce bias in downstream models.
wiz.io · HQ: New York, United States · Security Operations · Cloud Security · Cybersecurity AI · Information Security · 1001-5000 employees · Est. 2020 · Trust B · Hiring 103, 6 new
HQ: New York, United States · Security Operations · Cloud Security · Cybersecurity AI · Information Security · 1001-5000 employees · Est. 2020 · Trust B · Hiring 103, 6 new
Wiz is a cloud security company founded in 2020 by four Israeli engineers who had previously built and sold Adallom to Microsoft, and it grew faster to a hundred million dollars of recurring revenue than any software company before it. Its platform connects to a customer's cloud accounts without agents, builds a graph of every resource, identity and permission, and surfaces the small number of attack paths that actually combine into a serious risk rather than producing thousands of unranked alerts. Headquartered in New York with research in Tel Aviv, the company agreed in 2025 to be acquired by Google for around thirty-two billion dollars, the largest deal in Google's history.
