Cybersecurity Engineer jobs in London hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $180,557/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
mcdonalds.com · HQ: Chicago, United States · Food & Beverages · Catering & Food Services · 501-1000 employees · Est. 1955 · Trust A · Hiring 131, 13 new
HQ: Chicago, United States · Food & Beverages · Catering & Food Services · 501-1000 employees · Est. 1955 · Trust A · Hiring 131, 13 new
Headquartered in Chicago, Illinois, McDonald's is the world's largest fast-food restaurant chain by revenue, serving tens of millions of customers daily across more than 100 countries. Operating primarily through an extensive franchise business model, the company serves an iconic menu featuring burgers, french fries, chicken items, breakfast meals, and beverages tailored to regional markets. Through widespread drive-thru infrastructure, integrated mobile applications, and global delivery partnerships, it continues to provide fast and affordable dining experiences on a massive international scale.
ubdsdigital.com · HQ: London, United Kingdom · IT Consulting & Digital Transformation · Cloud Consulting & Migration · Security Operations · Est. 2000 · Trust A · Hiring 17
HQ: London, United Kingdom · IT Consulting & Digital Transformation · Cloud Consulting & Migration · Security Operations · Est. 2000 · Trust A · Hiring 17
UBDS Digital is a British IT services company that helps organisations plan, migrate and run secure cloud and end-user computing environments. It operates a UK-based security operations centre offering round-the-clock threat detection and incident response, and provides cloud engineering, software testing and Microsoft Power Platform development, with delivery staff in India. It trades through UBDS IT Consulting Ltd. The company is headquartered in London, England, United Kingdom.
Stats Perform is a London sports data company that collects and analyses detailed event data from matches worldwide. Its Opta datasets and artificial intelligence products supply broadcasters, betting operators and clubs with statistics and predictive models. The company was formed by combining two long-established sports data businesses.
bloomberg.com · HQ: New York, United States · Financial News & Media · Financial Data & Market Intelligence · 5000+ employees · Est. 1981 · Trust A · Hiring 286, 30 new
HQ: New York, United States · Financial News & Media · Financial Data & Market Intelligence · 5000+ employees · Est. 1981 · Trust A · Hiring 286, 30 new
Headquartered in New York City, New York, Bloomberg is a global leader in financial technology, data, and business media. The company is best known for its proprietary Bloomberg Terminal, which provides financial professionals with real-time market analytics, trading tools, and execution capabilities. Through its multi-platform news division, it delivers economic reporting, research, and analysis across television, digital, print, and audio outlets worldwide.
lila.ai · HQ: Cambridge, United States · Materials Science & Nanotechnology · Laboratory & Pharmaceutical Robotics · AI Research Labs · AI for Science · 201-500 employees · Est. 2023 · Startup · Trust A · Hiring 119, 9 new
HQ: Cambridge, United States · Materials Science & Nanotechnology · Laboratory & Pharmaceutical Robotics · AI Research Labs · AI for Science · 201-500 employees · Est. 2023 · Startup · Trust A · Hiring 119, 9 new
Lila Sciences is an American company launched publicly in 2025 out of Flagship Pioneering with the aim of building what it calls scientific superintelligence: artificial intelligence systems that generate hypotheses and then test them in the company's own automated laboratories. Its distinguishing feature is the closed loop between model and experiment, since most scientific machine learning is limited by the fact that the data it needs has never been generated. Headquartered in Cambridge, Massachusetts and funded at an unusually large scale for a company at this stage, it is working across life sciences and materials chemistry rather than committing to a single field.
qube-rt.com · HQ: London, United Kingdom · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 2018 · Trust A · Hiring 180, 15 new
HQ: London, United Kingdom · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 2018 · Trust A · Hiring 180, 15 new
Qube Research & Technologies is a quantitative hedge fund and investment manager that runs systematic trading strategies across global markets. It applies statistical research, machine learning and high-performance technology to trade equities, futures, options, credit and other liquid asset classes. The firm was founded in 2018 by a team from Credit Suisse's quantitative trading business led by Pierre-Emmanuel Juillard and is headquartered in London.
sky.com · HQ: Isleworth, United Kingdom · MVNO · Streaming & OTT Platforms · Broadcasting · Broadband · 1001-5000 employees · Est. 1990 · Trust B · Hiring 65, 8 new
HQ: Isleworth, United Kingdom · MVNO · Streaming & OTT Platforms · Broadcasting · Broadband · 1001-5000 employees · Est. 1990 · Trust B · Hiring 65, 8 new
Sky is a European media and telecommunications company headquartered at Osterley in west London that sells pay TV, streaming, broadband and mobile services and produces and broadcasts sports, news and entertainment. Founded in 1990 and owned by the US group Comcast since 2018, it operates in the United Kingdom, Ireland, Italy and Germany, runs the Sky Mobile service, and has large customer contact and technology sites in Livingston, Leeds and other cities. It hires retail and contact centre sales advisors, finance analysts, product and project managers, reliability engineers, risk investigators and creative trailer editors.
hometrack.com · HQ: London, United Kingdom · Real Estate Investment · PropTech · Est. 1999 · Hiring 4, 1 new
HQ: London, United Kingdom · Real Estate Investment · PropTech · Est. 1999 · Hiring 4, 1 new
Hometrack is a London property data company founded in 1999 that supplies automated valuations and market analytics. Its models are used by mortgage lenders to value properties remotely and by housing providers to plan development. The company forms part of a larger British property technology group.
flowdesk.co · HQ: Paris, France · Blockchain Infrastructure · Crypto Exchanges · 51-200 employees · Est. 2020 · Startup · Hiring 8, 1 new
HQ: Paris, France · Blockchain Infrastructure · Crypto Exchanges · 51-200 employees · Est. 2020 · Startup · Hiring 8, 1 new
Flowdesk is a Paris company founded in 2020 that provides market making and trading infrastructure for digital assets. Its platform connects to more than a hundred exchanges and offers liquidity, over-the-counter trading and treasury services to token issuers. The company is regulated in France and has raised significant funding for its institutional expansion.
nortonrosefulbright.com · HQ: London, United Kingdom · Legal Services · 5000+ employees · Est. 2007 · Trust B · Hiring 102, 3 new
HQ: London, United Kingdom · Legal Services · 5000+ employees · Est. 2007 · Trust B · Hiring 102, 3 new
Norton Rose Fulbright is a global law firm headquartered in London, England, providing business law services to corporations and financial institutions in areas such as banking and finance, corporate and M&A, litigation and disputes, energy, regulation, intellectual property, tax and employment. Formed in 2013 by the combination of Norton Rose and the US firm Fulbright and Jaworski, it has more than 3,000 lawyers and over 7,000 staff in the United States, Europe, Canada, Latin America, Asia, Australia, Africa and the Middle East. It hires associates, counsel, paralegals, docketing and business development staff, eDiscovery and cyber specialists, data scientists and AI engineers.
vm.co.mz · HQ: Maputo, Mozambique · Money Transfer & Remittances · Internet Service Providers · Mobile Networks · 1001-5000 employees · Est. 2003 · Trust A · Hiring 529, 90 new
HQ: Maputo, Mozambique · Money Transfer & Remittances · Internet Service Providers · Mobile Networks · 1001-5000 employees · Est. 2003 · Trust A · Hiring 529, 90 new
Vodacom Moçambique is a telecommunications operator and mobile financial services provider. The company offers prepaid and postpaid mobile voice and data connectivity, broadband services, enterprise IT and telecom solutions, and the M-Pesa mobile money platform for digital payments, transfers, and financial inclusion services. Headquartered in Maputo, Mozambique, the enterprise serves individual consumers, small businesses, and corporate clients across the country.
Barclays is a British universal bank whose roots go back to a goldsmith banking partnership founded in London in 1690, and which took its modern joint-stock form in 1896 through the amalgamation of twenty family banks. It combines a large United Kingdom retail and business bank with an investment bank that competes with the American bulge bracket in fixed income and equities trading, an unusual pairing for a European institution. The group also runs Barclaycard, one of the largest card issuers in Britain, a United States consumer bank built on airline and retail partnerships, and a private banking and wealth arm.
justice.gov.uk · HQ: London, United Kingdom · Public Administration & Local Government · Courts & Judiciary · 1001-5000 employees · Est. 2007 · Hiring 100, 37 new
HQ: London, United Kingdom · Public Administration & Local Government · Courts & Judiciary · 1001-5000 employees · Est. 2007 · Hiring 100, 37 new
The Ministry of Justice is the UK government department headquartered in London that is responsible for courts, prisons, probation, legal aid and sentencing policy in England and Wales. Created in 2007, it oversees executive agencies and arm's length bodies including HM Prison and Probation Service, HM Courts and Tribunals Service, the Legal Aid Agency and HM Inspectorate of Prisons, and it is one of the largest employers in the Civil Service. It hires legal aid caseworkers, trainee legal advisers, data and safer custody analysts, programme and service managers, policy leads for the Judicial College and specialist production instructors for prison workshops.
sonyinteractive.com · HQ: San Mateo, United States · Media & Entertainment · Gaming · Game Development · Console Games · Gaming Consoles · 5000+ employees · Est. 1993 · Trust A · Hiring 181, 21 new
HQ: San Mateo, United States · Media & Entertainment · Gaming · Game Development · Console Games · Gaming Consoles · 5000+ employees · Est. 1993 · Trust A · Hiring 181, 21 new
Sony Interactive Entertainment is the video game division of the Sony group, formed in 1993 to develop the original PlayStation and now headquartered in San Mateo, California rather than Tokyo. It designs and sells the PlayStation consoles and accessories, runs the PlayStation Network and its PlayStation Plus subscription service, and owns PlayStation Studios, a group of development studios including Naughty Dog, Insomniac Games, Guerrilla Games, Santa Monica Studio and Bungie. The business earns most of its revenue from software and network services rather than hardware, and its first-party titles are increasingly released on personal computers after a console exclusivity window.
londonstockexchange.com · HQ: London, United Kingdom · Financial Services · Financial Data & Market Intelligence · Stock Exchanges & Market Infrastructure · 1001-5000 employees · Trust B · Hiring 71, 7 new
HQ: London, United Kingdom · Financial Services · Financial Data & Market Intelligence · Stock Exchanges & Market Infrastructure · 1001-5000 employees · Trust B · Hiring 71, 7 new
Headquartered in London, United Kingdom, the London Stock Exchange is one of the world's oldest and most prominent financial exchanges. It provides international capital markets, premier listing venues such as the Main Market and AIM, and electronic trading infrastructure for equities, bonds, and exchange-traded funds. As a core subsidiary of the London Stock Exchange Group, it connects global issuers with investors to facilitate efficient capital formation, market liquidity, and economic growth.
fluenceenergy.com · HQ: Arlington, United States · Energy Storage · 1001-5000 employees · Est. 2018 · NASDAQ: FLNC · Trust B · Hiring 85, 11 new
HQ: Arlington, United States · Energy Storage · 1001-5000 employees · Est. 2018 · NASDAQ: FLNC · Trust B · Hiring 85, 11 new
Fluence Energy delivers grid-scale battery storage products and optimisation software. Its systems help utilities firm renewable output, defer transmission upgrades and provide ancillary services. The company also runs bidding software that trades storage assets in power markets.
mufg.jp · HQ: Tokyo, Japan · Asset Management & Funds · Investment Banking & M&A Advisory · Commercial & Retail Banks · 1001-5000 employees · Est. 2005 · Trust B · Hiring 366, 34 new
HQ: Tokyo, Japan · Asset Management & Funds · Investment Banking & M&A Advisory · Commercial & Retail Banks · 1001-5000 employees · Est. 2005 · Trust B · Hiring 366, 34 new
Mitsubishi UFJ Financial Group is the largest banking group in Japan, formed in 2005 by the merger of Mitsubishi Tokyo Financial Group and UFJ Holdings, with roots in institutions founded in the nineteenth century. It runs domestic retail and corporate banking through MUFG Bank, trust and asset management through Mitsubishi UFJ Trust, securities operations with Morgan Stanley in Japan, and an international network built on stakes in banks across Southeast Asia and a large corporate lending book in the Americas and Europe. The group is headquartered in Tokyo and holds a substantial long-term shareholding in Morgan Stanley.
microsoft.com · HQ: Redmond, United States · Gaming Consoles · Console Games · Developer Tools · Cloud Platforms (IaaS & PaaS) · Office & Productivity Software · Operating Systems · 5000+ employees · Est. 1975 · Trust B · Hiring 1743, 87 new
HQ: Redmond, United States · Gaming Consoles · Console Games · Developer Tools · Cloud Platforms (IaaS & PaaS) · Office & Productivity Software · Operating Systems · 5000+ employees · Est. 1975 · Trust B · Hiring 1743, 87 new
Microsoft is an American multinational technology corporation founded in 1975 by Bill Gates and Paul Allen and headquartered in Redmond, Washington. It built the personal computing era around the Windows operating system and the Office productivity suite, and now generates the largest share of its revenue from Azure cloud infrastructure and commercial subscriptions. The company also owns GitHub, LinkedIn and the Xbox gaming business, and has invested heavily in artificial intelligence through its partnership with OpenAI and the Copilot assistants embedded across its products.
tide.co · HQ: London, United Kingdom · Financial Services · Digital Banks & Neobanks · Est. 2015 · Trust B · Hiring 84, 8 new
HQ: London, United Kingdom · Financial Services · Digital Banks & Neobanks · Est. 2015 · Trust B · Hiring 84, 8 new
Tide is a British fintech company headquartered in London that provides business current accounts, credit, invoicing, accounting tools and company registration services for small and medium-sized businesses. Founded in 2015 and launched in 2017, it serves more than 1.5 million SME members in the UK, India, Germany and France and employs teams across the UK, Bulgaria, India, Serbia, Lithuania, Romania and Germany. Its board hires mobile and software engineers, engineering directors, quality assurance analysts, treasury and finance leads, compliance and policy specialists, member success managers, and inside and telesales executives.
arcadis.com · HQ: Amsterdam, Netherlands · Architecture · Engineering Services · Science & Engineering · Environmental Science · Civil & Structural Engineering · Transport Infrastructure · 5000+ employees · Est. 1888 · Trust C · Hiring 765, 30 new
HQ: Amsterdam, Netherlands · Architecture · Engineering Services · Science & Engineering · Environmental Science · Civil & Structural Engineering · Transport Infrastructure · 5000+ employees · Est. 1888 · Trust C · Hiring 765, 30 new
Arcadis is a Dutch design and consultancy firm whose predecessor was founded in 1888 to reclaim wasteland in the Netherlands, and which now works on the built and natural environment worldwide. It provides engineering, architecture, environmental consulting, water management and cost and programme management for transport networks, water systems, buildings and industrial facilities, and it has expanded into digital advisory through acquisitions including IBI Group. Headquartered in Amsterdam and listed on Euronext, it employs tens of thousands of people and derives much of its work from climate adaptation and infrastructure renewal.
