Explore top tech companies
All Filters
Office Type

Industry

Size

Open Jobs

Remote Jobs

Tech Stack

Top Cyber Security Companies in Dublin (52)

Datadog
Artificial Intelligence • Cloud • Security • Software • Cybersecurity
16 Offices
6,500 Employees
104 Benefits Hiring Now
We are building the monitoring and security platform for developers, IT ops teams and business users in the cloud age.

Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve complexity in the cloud age by enabling digital transformation, cloud migration, and infrastructure monitoring of our customers' entire technology stacks. Built by engineers, for engineers, Datadog is used by organizations of all sizes...

Datadog

Datadog's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is accelerating, with Q1 2026 reaching $1.006B and FY 2025 at $3.43B. Management raised the full‑year 2026 outlook to $4.30–$4.34B, indicating confidence in ongoing expansion.

Healthy Cash Flow: Cash generation is robust, with Q1 2026 operating cash flow of $335M and free cash flow of $289M, and FY 2025 producing $1.05B OCF and $915M FCF. This provides strong internal funding to support growth and investment.

Product Line Growth: Recent launches such as MCP Server, Bits AI Security Agent, and GPU Monitoring signal continued expansion across observability and security. This product velocity supports deeper adoption and cross‑sell into larger customer cohorts.

Mastercard
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
We are a global technology company in the payments industry.

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...

Mastercard

Mastercard's Top Stability & Growth Strengths

Strong Revenue Growth: Net revenue increased at double‑digit rates in 2025 and again in Q1 2026, with guidance pointing to continued low‑teens expansion through 2026. Growth is supported by rising GDV, cross‑border volumes, and switched transactions.

Profitability: Operating income and margins expanded in 2025, and EPS rose strongly into Q1 2026, indicating healthy operating leverage. High‑yield cross‑border activity contributed meaningfully to earnings momentum.

Diversified Revenue Streams: Value‑Added Services and Solutions grew faster than the core network in 2025 and Q1 2026 and now account for roughly 40% of net revenue. This mix shift broadens revenue drivers beyond transactional volume fees and adds resilience.

CSC
Fintech • Legal Tech • Software • Financial Services • Cybersecurity • Data Privacy
41 Offices
8,500 Employees
99 Benefits Hiring Now
CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world.

CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world. With more than 8,000 employees, CSC operates in more than 140 jurisdictions, delivering solutions that help businesses thrive. We pride ourselves on our client-focused approach, market-leading expertise, and unmatched global reach.

CSC

CSC's Top Stability & Growth Strengths

Market Expansion: Geographic footprint is described as spanning 140+ jurisdictions following the Intertrust integration, with a new, larger Luxembourg office opened in June 2024 “as it builds for continued growth.” Headcount and global scale appear materially larger than pre‑deal, signaling expanded operating reach.

Product Line Growth: Capabilities have been broadened via bolt‑ons such as acquiring Eddystone Financial Services to expand loan‑agency services in Australasia and ongoing solutions across funds, capital markets, and digital brand protection. The April 2024 full rebrand of Intertrust to CSC consolidates an expanded suite across corporate, fund, capital markets, and private client solutions.

Strong Market Position & Advantage: Positioning emphasizes deep penetration among large enterprises and global brands, suggesting durable, recurring demand for administration and compliance services. External recognition such as The Drawdown’s 2026 “Fund Administration: Technology & Innovation” award signals momentum in technology‑enabled private‑markets services.

Rapid7
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
15 Offices
2,400 Employees
99 Benefits
Take Command of your Career

At Rapid7, our vision is to create a secure digital world for our customers, our industry, and our communities. We do this by harnessing our collective expertise and passion to challenge what’s possible and drive extraordinary impact. We’re building a dynamic and collaborative workplace where new ideas are welcome. Protecting 11,000+ customers against bad actors and threats means we’re continuing...

Rapid7

Rapid7's Top Stability & Growth Strengths

Profitability: Profitability is improving, with Q1 2026 showing positive GAAP net income and about $24M in non‑GAAP operating income, and full‑year 2026 guidance calling for continued non‑GAAP profitability. Margin focus and sustained earnings point to better unit economics even as growth slows.

Healthy Cash Flow: Cash generation is strong, with roughly $33M in free cash flow in Q1 2026 and guidance of $125–$135M for FY2026. These levels indicate solid cash conversion despite muted top‑line trends.

Future-Ready Strategy: Portfolio moves such as AI‑ and MDR‑centric offerings and the Kenzo Security acquisition are aimed at strengthening the platform and cross‑sell potential. Execution on AI/MDR and cross‑sell into a base of over 11,500 customers is positioned as a lever to re‑accelerate growth.

Siemens
Artificial Intelligence • Internet of Things • Security • Cybersecurity
81 Offices
293,000 Employees
41 Benefits

Siemens is a technology company focused on industry, infrastructure, mobility, and healthcare. Creating technologies for more resource-efficient factories and resilient supply chains to smarter buildings and grids, to cleaner, comfortable transportation and advanced healthcare, the company empowers customers to transform the industries that form the backbone of economies, transforming the everyday for billions of people. In fiscal 2020, which ended on...

Siemens

Siemens's Top Stability & Growth Strengths

Strong Market Position & Advantage: Siemens holds leading positions across industrial automation and software, smart infrastructure, mobility, and healthcare technology (via Siemens Healthineers), with multiple segments ranked first or second and significant contract wins expanding backlog. This breadth provides competitive advantage across diverse high-growth end markets.

Healthy Cash Flow: The company reports strong free cash flow at the Group level in FY2024 and subsequent quarters, supporting investment, M&A, and a new multi‑year share buyback program. Robust cash conversion across industrial businesses underpins financial flexibility.

Resilient & Sustainable Growth: Comparable revenue increased in FY2024 and continued to rise in FY2025 quarters, while orders and book‑to‑bill above 1, a record order backlog, and confirmed FY2025 guidance provide visibility. Growth is supported by electrification, data‑center demand, rail investments, and ongoing portfolio actions.

CyberOne Security
Software • Cybersecurity
4 Offices
73 Employees

CyberOne is a dedicated cybersecurity company that improves the security capabilities of customers cost effectively. While focused on services, CyberOne also resells best-of-breed products to provide a complete solution. We partner with our clients to align and execute their long-term security strategy.

CyberOne Security
Grouper Technology
Information Technology • Software • Cybersecurity
3 Offices
9 Employees
Hiring Now

Grouper Technology (Grouper®) is partner to some of Europe’s leading organisations in their software modernisation and digital transformation journey. We help organisations create innovative management systems, tools and technologies that empower their quality assurance needs and in particularly, relating to corporate governance, risk, and compliance. Grouper offers two primary pillars of "Specialised Application Solutions” and “IT Advisory Services”. Our advisory...

Grouper Technology
Xunison
Information Technology • Security • Consulting • Cybersecurity • Automation
Dublin
43 Employees

Xunison: Powering a connected, secure, and sustainable future with smart technology Welcome to the Xunison LinkedIn page! We are thrilled to connect with you and share how our cutting-edge technology can benefit your business. Xunison is an Irish-based technology company that specializes in providing innovative software and hardware solutions to the Telco and ISP industries. Focused on empowering Communications Service...

Xunison
Akamai Technologies
Cloud • Security • Software • Cybersecurity
24 Offices
10,285 Employees
27 Benefits Hiring Now
Akamai powers and protects life online by solving the toughest challenges and turning the impossible into the possible.

At Akamai, we make life better for billions of people, billions of times a day. Every moment, billions of people, all over the world, are using the internet to shop, play games, look after finances, learn remotely, share videos, connect across the world, and so much more. These life-shaping digital experiences wouldn’t be possible without Akamai. We power and protect life...

Akamai Technologies

Akamai Technologies's Top Stability & Growth Strengths

Product Line Growth: Security remains the largest business and is expanding, while Cloud Infrastructure Services tied to compute and AI is growing rapidly. A multi‑year AI infrastructure commitment is reinforcing momentum in these newer lines.

Strong Market Position & Advantage: Across CDN/edge delivery and WAAP, the company is consistently evaluated as a leader by major analysts, with scale and an integrated portfolio cited as strengths. Independent assessments in DDoS mitigation, WAAP, and edge delivery reinforce leadership in core markets.

Future-Ready Strategy: The company is investing to evolve from CDN/security into a fuller cloud and edge compute platform, including GPU build‑outs and an AI‑focused infrastructure roadmap. Management signals stronger out‑year growth potential as large AI deals scale.

Let Your Resume Do The Work
Upload your resume to be matched with jobs you're a great fit for.

UST
Information Technology • Analytics • Cybersecurity
58 Offices
28,946 Employees
29 Benefits

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds...

UST
Knogin
Big Data • Information Technology • Software • Analytics • Consulting • Cybersecurity
Dublin
11 Employees

Agentless cyber defense that brings all your cloud providers, OT, IoT, SCADA and Network defense systems together in an informative storyboard to reduce the amount of work your threat hunting team needs to do to find the bad guys

Knogin
Ekco
Software • Cybersecurity
9 Offices
620 Employees
1 Benefits

We’re Ekco: The people who power your possible One of Europe’s leading security-first managed cloud providers. With a network of infrastructure and security specialists across Europe, we’ve perfected our approach to supporting digital transformation. When you have friendly, experienced cloud and security specialists by your side and solutions that just work, you can take your business to the next level. Every risk is...

Ekco
OUTSOURCE
Information Technology • Cybersecurity
5 Offices
46 Employees

An award winning, locally owned, IT Managed Security Services Provider (MSSP) working with SME/Enterprise customers across the UK, Ireland and internationally. Outsource solutions and services, covering from 'the desktop to the data centre' are all underpinned by our "Security First" approach and focus on improving the security, performance and productivity of every company we partner with. We also offer a suite...

OUTSOURCE
Exclusive Networks
Software • Cybersecurity
63 Offices
2,432 Employees
8 Benefits Hiring Now

Exclusive Networks is a global trusted cybersecurity specialist for digital infrastructure helping to drive the transition to a totally trusted digital future for all people and organisations. Our distinctive approach to distribution gives partners more opportunity and more customer relevance. Our specialism is their strength – equipping them to capitalise on rapidly evolving technologies and transformative business models. The Exclusive story is...

Exclusive Networks
Riot (tryriot.com)
Information Technology • Cybersecurity
22 Offices
105 Employees
43 Benefits

In today's world, most successful cyberattacks start by a human failure. We're making the platform that makes it easy to prepare your employees for cyberattacks, in a way they love.

Riot (tryriot.com)
Vectra AI
Artificial Intelligence • Security • Cybersecurity
12 Offices
460 Employees
33 Benefits

Vectra® is the leader in threat detection and response – from cloud and data center workloads to user and IoT devices. Its Cognito® platform accelerates threat detection and investigation using AI to enrich network metadata it collects and stores with the right context to detect, hunt and investigate known and unknown threats in real time. Vectra offers four applications on...

Vectra AI
iON - We protect the brands you know.
Software • Cybersecurity
Dublin
53 Employees
28 Benefits

iON - We protect the brands you know.® (also known as iON United, or just iON) is one of Canada’s most trusted cybersecurity solution providers. Founded in 2003, our experienced team delivers best-in-class advisory, technology, and managed services for securing IT, OT, and cloud environments. With consecutive year-over-year growth, we foster meaningful relationships through meaningful work by helping organizations make...

iON - We protect the brands you know.
Binarii Labs
Blockchain • Information Technology • Software • Consulting • Cybersecurity
4 Offices
20 Employees

News: Cyqur. Patented Access Credentials Protection. Brought to market by Binarii Labs, the Web3 experts. The core of our platform is that we allow our users decide and control the locations of where their data is securely stored. We created Cyqur solely to serve our own subscribers no one else. Your data. Your rules. Join our pre-sale event here... https://www.cyqur.com

Binarii Labs
Threatscape
Information Technology • Software • Cybersecurity
3 Offices
35 Employees

We are a pure play IT security company, which allows us to focus solely on protecting your business from cyber threats. We have offices in Dublin, London and Sheffield, but are the trusted security partner of enterprise clients with critical IT assets in over 100 countries around the world. Our mission is to create a secure and certain future for...

Threatscape
Quest Software
Cloud • Information Technology • Software • Database • Cybersecurity
4 Offices
2,000 Employees
25 Benefits
Innovate. Collaborate. Grow.

Quest Software builds the foundation for enterprise AI with solutions in data governance, cybersecurity, and platform modernization. More than 45,000 companies — including 90% of the Fortune 500 — trust Quest to solve their most critical IT challenges. From securing identities and modernizing platforms to preparing data for AI, we help enterprises unlock their full potential.

Quest Software

Popular Company Searches in Dublin

Tech Companies in Dublin
3D Printing Companies in Dublin
3PL Companies in Dublin
Adtech Companies in Dublin
Aerospace Companies in Dublin
Agencies in Dublin
Agriculture Companies in Dublin
Analytics Companies in Dublin
Angel Investors & VC Firms in Dublin
App Development Companies in Dublin
Appliances Companies in Dublin
AI Companies in Dublin
Automation Companies in Dublin
Automotive Companies in Dublin
Beauty Companies in Dublin
Data Analytics Companies in Dublin
Big Data Companies in Dublin
Biotech Companies in Dublin
Blockchain Companies in Dublin
Business Intelligence Companies in Dublin
Cannabis Companies in Dublin
Chemical Companies in Dublin
Cloud Companies in Dublin
Co-Working Spaces & Incubators in Dublin
Computer Vision Companies in Dublin
Consulting Firms in Dublin
Conversational AI Companies in Dublin
Cryptocurrency Companies in Dublin
Cyber Security Companies in Dublin
Data Privacy Companies in Dublin
Database Companies in Dublin
Defense Companies in Dublin
Design Companies in Dublin
Digital Media Companies in Dublin
E-commerce Companies in Dublin
Edtech Companies in Dublin
Energy Companies in Dublin
Enterprise Web Companies in Dublin
Esports Companies in Dublin
Event Companies in Dublin
Fashion Companies in Dublin
Financial Services Companies in Dublin
Fintech Companies in Dublin
Fitness Companies in Dublin
Food Companies in Dublin
Gaming Companies in Dublin
Generative AI Companies in Dublin
Greentech Companies in Dublin
Hardware Companies in Dublin
Health Tech Companies in Dublin
Hospitality Companies in Dublin
HR Tech Companies in Dublin
Industrial Companies in Dublin
IT Companies in Dublin
IaaS Companies in Dublin
Insurance Companies in Dublin
IoT Companies in Dublin
Kids + Family Companies in Dublin
Legal Tech Companies in Dublin
Logistics Companies in Dublin
Machine Learning Companies in Dublin
Manufacturing Companies in Dublin
Martech Companies in Dublin
Metaverse Companies in Dublin
Mobile Companies in Dublin
Music Companies in Dublin
Nanotechnology Companies in Dublin
Natural Language Processing Companies in Dublin
News + Entertainment Companies in Dublin
NFT Companies in Dublin
On-Demand Companies in Dublin
Payments Companies in Dublin
Pet Companies in Dublin
Pharmaceutical Companies in Dublin
Productivity Companies in Dublin
Professional Services Companies in Dublin
Proptech Companies in Dublin
Quantum Computing Companies in Dublin
Real Estate Companies in Dublin
Renewable Energy Companies in Dublin
Retail Companies in Dublin
Robotics Companies in Dublin
Sales Companies in Dublin
Security Companies in Dublin
Semiconductor Companies in Dublin
SEO Companies in Dublin
Sharing Economy Companies in Dublin
Social Impact Companies in Dublin
Social Media Companies in Dublin
Software Companies in Dublin
Solar Energy Companies in Dublin
Sports Companies in Dublin
Telehealth Companies in Dublin
Transportation Companies in Dublin
Travel Companies in Dublin
Utilities Companies in Dublin
VR Companies in Dublin
Wearables Companies in Dublin
Web3 Companies in Dublin

Sign in to save company job alert.

Create Free Account