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.
nttdata.com · HQ: Tokyo, Toyosu, Japan · Health Care · Cybersecurity · Data Centers & Colocation · Information Technology · Managed IT Services (MSP) · Financial Software & Embedded Finance · IT Consulting & Digital Transformation · Systems Integrators · 5000+ employees · Est. 1988 · Trust A · Hiring 1763, 299 new
HQ: Tokyo, Toyosu, Japan · Health Care · Cybersecurity · Data Centers & Colocation · Information Technology · Managed IT Services (MSP) · Financial Software & Embedded Finance · IT Consulting & Digital Transformation · Systems Integrators · 5000+ employees · Est. 1988 · Trust A · Hiring 1763, 299 new
NTT DATA is a Tokyo system integrator founded in 1988 that spun out of the data communications arm of NTT. It is one of the largest information technology services firms in the world, building banking, public sector and payment systems and operating global consulting and managed services. The company runs the CAFIS payment network used across Japanese retail and banking.
hayfin.com · HQ: London, United Kingdom · Hedge Funds & Alternative Investments · Business & SME Lending · Asset Management & Funds · 1001-5000 employees · Est. 2009 · Hiring 4, 1 new
HQ: London, United Kingdom · Hedge Funds & Alternative Investments · Business & SME Lending · Asset Management & Funds · 1001-5000 employees · Est. 2009 · Hiring 4, 1 new
Hayfin is a European alternative asset management firm focused on private credit, providing financing to companies through direct lending and other credit strategies. Founded in 2009, it closed its Direct Lending Fund V at more than 15 billion euros and has offices in cities including London, New York and Chicago. The company is headquartered in London, United Kingdom.
sportradar.com · HQ: Sankt Gallen, Switzerland · iGaming & Gambling · Sports · Sports Betting · Sports Analytics · Fan Engagement · 1001-5000 employees · Est. 2001 · Trust B · Hiring 87, 20 new
HQ: Sankt Gallen, Switzerland · iGaming & Gambling · Sports · Sports Betting · Sports Analytics · Fan Engagement · 1001-5000 employees · Est. 2001 · Trust B · Hiring 87, 20 new
Sportradar is a Swiss company founded in 2001 that collects live sports data and sells it to betting operators, media companies and sports leagues, and it holds exclusive rights to distribute data from the NBA, NHL, ATP and many other competitions. Its business is a licensing chain: it pays leagues for official data rights, sends people to capture the feed reliably from the venue, and resells it to bookmakers who cannot price in-play markets without it. Headquartered in Sankt Gallen and listed on Nasdaq, it also operates integrity services that monitor betting patterns for match-fixing on behalf of federations.
cfc.com · HQ: London, United Kingdom · InsurTech · Property & Casualty Insurance · 201-500 employees · Est. 1999 · Trust A · Hiring 60, 3 new
HQ: London, United Kingdom · InsurTech · Property & Casualty Insurance · 201-500 employees · Est. 1999 · Trust A · Hiring 60, 3 new
CFC is a specialist insurance provider and managing general agent focused on cyber insurance and emerging commercial risks. The company leverages proprietary technology and data analytics to offer streamlined underwriting, risk mitigation services, and specialty liability coverage. Headquartered in London, United Kingdom, the organization serves over 100,000 business clients across more than 90 countries.
Grant Thornton UK is the British member firm of the Grant Thornton International network, headquartered in London, providing audit and assurance, tax, advisory, deals, forensic, restructuring and consulting services to privately held businesses, public interest entities and public sector bodies. The firm operates offices across the UK, including Birmingham, Manchester, Leeds, Bristol and Glasgow, and in 2025 private equity firm Cinven completed the acquisition of a majority stake in the business. It hires audit managers, tax managers and associate directors, financial reporting and internal audit specialists, financial crime and technology risk staff, legal counsel and engineers.
global.ntt · HQ: Tokyo, Japan · Systems Integrators · IT Consulting & Digital Transformation · Data Centers & Colocation · Mobile Networks · 5000+ employees · Est. 1952 · Trust B · Hiring 665, 62 new
HQ: Tokyo, Japan · Systems Integrators · IT Consulting & Digital Transformation · Data Centers & Colocation · Mobile Networks · 5000+ employees · Est. 1952 · Trust B · Hiring 665, 62 new
NTT is a Japanese telecommunications and technology group whose predecessor was established in 1952 as the state telephone monopoly and privatised in 1985. It is one of the largest telecoms operators in the world, running Japan's fixed and mobile networks through NTT Docomo, a global IT services business through NTT Data, and one of the biggest data centre portfolios on the planet. The group invests heavily in long-horizon research, most visibly the IOWN initiative to rebuild networks and computing around photonics rather than electronics, and it develops the lightweight tsuzumi family of Japanese language models.
alice.io · New York · London · Hanoi · Ramat Gan · San Francisco · Foundation Models · LLM & Generative AI · Artificial Intelligence · Threat Intelligence · AI Governance & Compliance · AI Safety & Alignment · 51-200 employees · Startup · Hiring 42, 11 new
New York · London · Hanoi · Ramat Gan · San Francisco · Foundation Models · LLM & Generative AI · Artificial Intelligence · Threat Intelligence · AI Governance & Compliance · AI Safety & Alignment · 51-200 employees · Startup · Hiring 42, 11 new
Alice is the most trusted partner for GenAI safety and security. Built on a decade of threat intelligence research, Alice helps organizations detect, prevent, and respond to AI risks across the full model lifecycle.
gsk.com · HQ: London, United Kingdom · Oncology Therapeutics · Infectious Disease Therapeutics · Vaccines · Prescription Drugs · 1001-5000 employees · Est. 2000 · Trust A · Hiring 727, 276 new
HQ: London, United Kingdom · Oncology Therapeutics · Infectious Disease Therapeutics · Vaccines · Prescription Drugs · 1001-5000 employees · Est. 2000 · Trust A · Hiring 727, 276 new
GSK is a British multinational pharmaceutical company that develops and manufactures prescription medicines and vaccines, with research focused on infectious diseases, HIV, respiratory and immunology, and oncology. It was formed in 2000 through the merger of Glaxo Wellcome and SmithKline Beecham and spun off its consumer healthcare business as Haleon in 2022. Listed in London and New York, it runs research, manufacturing and commercial operations worldwide. The company is headquartered in London, England, United Kingdom.
ice.com · HQ: Atlanta, United States · Financial Services · Stock Exchanges & Market Infrastructure · 1001-5000 employees · Est. 2000 · Trust B · Hiring 237, 75 new
HQ: Atlanta, United States · Financial Services · Stock Exchanges & Market Infrastructure · 1001-5000 employees · Est. 2000 · Trust B · Hiring 237, 75 new
Headquartered in Atlanta, Georgia, Intercontinental Exchange is a multinational corporation that operates global financial markets and premier exchanges, including the New York Stock Exchange. The company delivers essential market infrastructure, clearing houses, and comprehensive data services across major asset classes such as equities, energy, and fixed income. Through its advanced digital networks and workflow technologies, it provides institutional clients and global financial institutions with critical risk management and trading execution tools.
cusp.ai · HQ: Cambridge, United Kingdom · Manufacturing · AI for Science · Artificial Intelligence · 501-1000 employees · Est. 2024 · Startup · Trust B · Hiring 23, 5 new
HQ: Cambridge, United Kingdom · Manufacturing · AI for Science · Artificial Intelligence · 501-1000 employees · Est. 2024 · Startup · Trust B · Hiring 23, 5 new
CuspAI builds generative models that search for new materials with target properties. Its first applications focus on carbon capture materials. The company was founded by researchers from DeepMind and academia.
mufg-investorservices.com · HQ: Toronto, Canada · Custody & Fund Administration · 51-200 employees · Est. 2013 · Trust B · Hiring 56, 11 new
HQ: Toronto, Canada · Custody & Fund Administration · 51-200 employees · Est. 2013 · Trust B · Hiring 56, 11 new
MUFG Investor Services is a global financial services and asset servicing enterprise specializing in operational solutions for the alternative investment management industry. The company focuses on fund administration, middle-office outsourcing, global custody, foreign exchange, liquidity and financing solutions, depositary, and trustee services for hedge funds, private equity, private debt, real estate, and infrastructure funds.
viasat.com · HQ: Carlsbad, United States · C4ISR · Space & Aerospace · Telecommunications · Mobile Networks · Satellite Communications · 201-500 employees · Trust A · Hiring 242, 26 new
HQ: Carlsbad, United States · C4ISR · Space & Aerospace · Telecommunications · Mobile Networks · Satellite Communications · 201-500 employees · Trust A · Hiring 242, 26 new
Headquartered in Carlsbad, California, Viasat is a global communications company specializing in high-speed satellite broadband, secure networking, and defense communications services. The company designs, builds, and operates an advanced network of high-capacity satellites to deliver reliable connectivity to residential, commercial, aviation, and government users worldwide. Following its acquisition of Inmarsat, its expanded portfolio now spans global mobile satellite services, maritime communications, and critical national security infrastructure.
accenture.com · HQ: Dublin, Ireland · Business Process Outsourcing (BPO) · Systems Integrators · Management Consulting · IT Consulting & Digital Transformation · 5000+ employees · Est. 1989 · IT services · Trust A · Hiring 5352, 275 new
HQ: Dublin, Ireland · Business Process Outsourcing (BPO) · Systems Integrators · Management Consulting · IT Consulting & Digital Transformation · 5000+ employees · Est. 1989 · IT services · Trust A · Hiring 5352, 275 new
Accenture is a professional services company that began as the consulting arm of the accounting firm Arthur Andersen, separated as Andersen Consulting in 1989 and took its present name in 2001. It is one of the largest technology services organisations in the world, employing well over seven hundred thousand people and running strategy, consulting, technology, operations and industry work for most of the Fortune Global 500. Incorporated in Dublin and built on a delivery network concentrated in India and the Philippines, it has reoriented around cloud migration, cybersecurity and generative AI, which it now books as a distinct multi-billion dollar revenue line.
gmassconsulting.com · HQ: London, United Kingdom · Management Consulting · Recruiting & Staffing · 1001-5000 employees · Est. 2023 · Trust A · Hiring 99, 5 new
HQ: London, United Kingdom · Management Consulting · Recruiting & Staffing · 1001-5000 employees · Est. 2023 · Trust A · Hiring 99, 5 new
Founded in 2023 as part of the Goodman Masson group, G MASS Consulting is a specialist resource augmentation and consulting firm headquartered in London, United Kingdom. The company specializes in delivering targeted technical expertise and skills-mapping solutions for the financial services industry. Utilizing its proprietary Talent Analytics Engine, G MASS provides specialized services spanning operational resilience, regulatory compliance remediation, digital asset product launches, cross-border expansion support, and enterprise change and transformation management.
coindesk.com · HQ: New York, United States · Financial Data & Market Intelligence · Digital Media · Financial News & Media · 501-1000 employees · Est. 2013 · Hiring 16, 1 new
HQ: New York, United States · Financial Data & Market Intelligence · Digital Media · Financial News & Media · 501-1000 employees · Est. 2013 · Hiring 16, 1 new
CoinDesk is a prominent news, research, and media platform that provides comprehensive coverage of cryptocurrencies, digital assets, and blockchain technology. The publication delivers breaking news, market data, regulatory analysis, and institutional insights to crypto investors, technology developers, and industry professionals globally. Beyond digital publishing, the organization hosts major industry conferences - most notably Consensus - and produces benchmark crypto price indices and market indicators used across the financial sector.
mufg.com · HQ: Tokyo, Japan · Wealth Management & Financial Advisors · Asset Management & Funds · Custody & Fund Administration · Commercial & Retail Banks · 5000+ employees · Est. 2005 · Trust A · Hiring 87, 16 new
HQ: Tokyo, Japan · Wealth Management & Financial Advisors · Asset Management & Funds · Custody & Fund Administration · Commercial & Retail Banks · 5000+ employees · Est. 2005 · Trust A · Hiring 87, 16 new
Headquartered in Tokyo, Japan, Mitsubishi UFJ Financial Group (MUFG) is a major global financial services conglomerate and bank holding company. The group operates across commercial banking, trust banking, securities brokerage, asset management, and consumer finance, delivering retail banking, wealth management, and corporate lending solutions.
zoom.com · HQ: San Jose, United States · Internet Services · Software · Events & Ticketing · Education · Professional Services · Call Center Services · E-learning · Virtual Events · Contact Center Software · Team Communication & Collaboration · Video Conferencing & Webinars · 201-500 employees · Est. 2011 · Trust A · Hiring 98, 16 new
HQ: San Jose, United States · Internet Services · Software · Events & Ticketing · Education · Professional Services · Call Center Services · E-learning · Virtual Events · Contact Center Software · Team Communication & Collaboration · Video Conferencing & Webinars · 201-500 employees · Est. 2011 · Trust A · Hiring 98, 16 new
Zoom Communications is a US software company headquartered in San Jose that provides the Zoom Workplace collaboration platform, including video meetings, team chat, cloud phone, webinars, whiteboards, events and contact center products. Founded in 2011 by Eric Yuan and listed on Nasdaq, it operates offices across the United States, Europe and Asia-Pacific, including Seattle, Tokyo, London, Dublin and Amsterdam, and owns the employee experience platform Workvivo. It hires enterprise account executives and sales managers, technical consultants, program and customer advocacy managers, premier support managers and SEO and go-to-market specialists.
and.digital · HQ: London, United Kingdom · Custom Software Development · IT Consulting & Digital Transformation · 1001-5000 employees · Est. 2014 · Hiring 28, 7 new
HQ: London, United Kingdom · Custom Software Development · IT Consulting & Digital Transformation · 1001-5000 employees · Est. 2014 · Hiring 28, 7 new
AND Digital is a digital services and technology consultancy headquartered in London, United Kingdom, and founded in 2014. The company provides software engineering, data platform development, cloud architecture, and experience design services through its proprietary Guide, Build, Equip delivery model. Operating through a network of decentralized business units called Clubs, the firm serves multi-national clients across the United Kingdom, Europe, and the United States while focusing on closing the digital skills gap.
Sompo International is the global property and casualty insurance and reinsurance arm of Japan's Sompo Holdings, headquartered in Hamilton, Bermuda, writing commercial, specialty, crop and reinsurance business. Built on the former Endurance Specialty, acquired by Sompo in 2017, it has more than 9,500 employees with major underwriting hubs in New York, London, Charlotte, Alpharetta, Paris, Cologne, Munich and Madrid, and runs the AgriSompo crop insurance unit. It hires underwriters across casualty, property, marine, construction and political violence lines, claims specialists, actuaries, crop adjusters, auditors and IT staff.
$180k – $225k per year · Staff+ · 15+ years exp · Hybrid (New York, Conshohocken, Boston, Atlanta, Charlotte, United States) · Bachelor's Degree · Full-Time · Architect
mastercard.com · HQ: Purchase, United States · Payment Processing & Gateways · Cards & Card Issuing · 5000+ employees · Est. 1966 · Trust A · Hiring 1005, 128 new
HQ: Purchase, United States · Payment Processing & Gateways · Cards & Card Issuing · 5000+ employees · Est. 1966 · Trust A · Hiring 1005, 128 new
Mastercard is an American payments technology company whose origins date to 1966, when a group of banks formed the Interbank Card Association to compete with BankAmericard. Like its main rival it does not issue cards or extend credit; it operates the network that authorises, clears and settles transactions between issuing banks, acquirers and merchants in more than two hundred countries. Headquartered in Purchase, New York, the company has built a large services business alongside the core network, covering fraud and identity products through its Ethoca and RiskRecon acquisitions, open banking, consulting and loyalty programmes.
