Find cybersecurity Jobs in dublin, d

Senior Penetration Tester
Integrity360 —Dublin, County Dublin
- Computer Science
- Windows
- Java
Product Operations Specialist
SoSafe —Dublin, County Dublin
- Full-time
- Remote
- Communication skills
- Referral programme
Physical Security Systems Manager
EdgeConneX —Dublin, County Dublin
- AutoCAD
- Engineering
- Bachelor's degree
Quick apply
Digital Solution Specialist - Security - German Speaking
Microsoft —Dublin, County Dublin
- Full-time
- English
- Bachelor's degree
- No degree
Senior Security Engineer
Cubic³ —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- Windows
Lead Program Security Engineer
Mastercard —Dublin, County Dublin
- Full-time
- DevOps
- AI
- Leadership
13d
Risk & Compliance Specialist - Senior Associate
PwC —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- Project management
Lead Security Architect - Flutter Functions
Flutter Entertainment —Dublin, County Dublin
- Full-time
- AWS
- Agile
- AI
Head of Cyber
Definitive —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- Software development
Quick apply
IT Audit & Security Manager / IT Audit & Security Senior Manager
Forvis Mazars —DUBLIN 2, County Dublin
- Engineering
- English
- Project management
Identity & Access Management | Director | Cyber Consulting | Advisory
PwC —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- Master's degree
Solution Sales Principal - Cyber Security
Vodafone —Dublin, County Dublin
- Full-time
- Sales
- Annual leave
Security Operations Engineer (Dublin)
KBRA —Dublin, County Dublin
- Full-time
- Azure
- Windows
- AWS
- Annual leave
- Referral programme
Senior Software Architect - Telecom Security
Enea —Dublin, County Dublin
- Hybrid work
- Computer Science
- Master's degree
- Bachelor's degree
Senior Cloud Security Engineer
Davy —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- Salesforce
- Employee assistance program
Quick apply
Security Solutions Architect
Vodafone —Dublin, County Dublin
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
- Annual leave
7d
Sr. Software Engineering Manager – Infrastructure and Security
Intel —Leixlip, County Kildare
- Full-time
- Doctoral degree
- Computer Science
- Engineering
6d
Lead Security Engineer
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- System design
- Java
- AWS
Risk & Regulatory - Senior Associate
PwC —Dublin, County Dublin
- Full-time
- Management
- Organisational skills
- Business
Director of Security Engineering
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Software development
- AI
- Leadership

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Senior Penetration Tester

Integrity360 -
Dublin, County Dublin

Apply Now

Job details

Qualifications

Computer Science
Visual Basic
C#
OSPF
Tutoring
UNIX
Quality management
Windows
Information security
Java
Firewall
C++
Project management
Presentation skills
C
Bachelor's degree
BGP
Scripting
Ruby
Telecommunication
MPLS
SIEM
ASP
Communication skills
Python
Network security
VPN

Full job description

About Us

Integrity360 is a leading independent cybersecurity and PCI specialist operating across Europe, Africa, the Caribbean, and North America. The company has office locations in Ireland, the UK, Bulgaria, Italy, Sweden, Spain, Lithuania, Ukraine, Africa, the Caribbean, and Canada, supported by six Security Operations Centres (SOCs) located in Dublin, Sofia, Madrid, Stockholm, Rome, and Cape Town.

With over 780 employees, including more than 585 dedicated cybersecurity professionals, Integrity360 delivers a full suite of professional, support, and managed security services. These span the complete cyber risk lifecycle, from identification and prevention to detection, response, and recovery. Integrity360 supports over 3000 mid-market and enterprise organisations across sectors including financial services, insurance, government, healthcare, retail, telecommunications, and utilities.

At Integrity360, people come first. We invest heavily in learning, development and progression, fostering a dynamic culture where innovation, collaboration and continuous growth are at the heart of what we do. If you're ready to take your cyber security career to the next level, we’d love to hear from you.

Role Overview

We’re looking for a Penetration Tester with at least 5 years of real-world professional experience , fully independent, with consultancy and tutoring skills and experience.

In this role, you’ll support and deliver testing projects (web, infra, cloud, AD, and mobile and not limited to), guided by experienced technical leaders. You’ll be involved in pre-sales activities, travelling onsite on customer environments and delivering high quality services.

Job Role / Responsibilities

As a Senior Security Tester, you will deliver advanced penetration testing and security assessments across a wide range of environments and technologies. You will also contribute to internal capability development, collaborate with other departments, and represent Integrity360 in client engagements and technical forums.

This role blends deep technical expertise with excellent communication and documentation skills.

Core Responsibilities:

Security Testing & Delivery

Perform advanced manual penetration tests and technical security assessments (web, mobile, infrastructure, cloud).
Execute Red Team or assumed breach engagements as part of a team or independently.
Identify, exploit, and document vulnerabilities in complex systems, clearly articulating risk and remediation to stakeholders.
Review application architectures and source code for security weaknesses.

Reporting & Communication

Produce high-quality technical reports and executive summaries tailored to various audiences.
Present findings to clients and internal stakeholders in a clear and professional manner.

Research & Innovation

Continuously research new vulnerabilities, attack techniques, and tools to stay ahead of evolving threats.
Contribute to the development of internal methodologies, tools, and automation scripts.

Internal Support & Mentoring

Act as a mentor for junior and mid-level testers, supporting their growth and development.
Support the testing team in delivery planning, documentation, and knowledge sharing.

Cross-Team Collaboration

Work closely with SDMs, Project Managers, and other technical teams to ensure smooth delivery.

Desired Skills

Solid experience in information security
Industry experience working in Dev/Admin/Engineer field
Industry experience working in Information security field as a penetration tester
Development and/or source code review experience in C/C++, C#, VB.NET, ASP, PHP, Java, Python or Ruby
Strong Unix, Windows and networking security skills
Familiarity with general application and network security concepts
Excellent communication skills
Manual penetration testing experience above and beyond running automated tools
Experience developing custom scripts or tools used for vulnerability scanning and identification

In depth networking knowledge (ports, protocols, firewalls, routing, VPN, MPLS, BGP, OSPF, IPv6, TOR)
Understanding of development frameworks
Broad understanding of hosting /cloud environment
Broad understanding of SIEM & Defensive Technologies.
Understanding of Security Auditing tools
Ethical hacking experience
Intrusion prevention experience
Report writing experience
Presentation skills
Scripting/coding, sys admin or networking experience
Understanding of programming methodologies
Understanding of quality management and project management principles

Certifications/Qualifications

Security Clearance or local vetting (as required by region or client sector)
Relevant certifications such as OSCP, OSCE, OSEP, CRTO, CREST, or equivalent

#LI-PM2

Apply Now

Refine Your Search

cybersecurity jobs in dublin, d

Senior Penetration Tester

Product Operations Specialist

Physical Security Systems Manager

Digital Solution Specialist - Security - German Speaking

Senior Security Engineer

Lead Program Security Engineer

Risk & Compliance Specialist - Senior Associate

Lead Security Architect - Flutter Functions

Head of Cyber

IT Audit & Security Manager / IT Audit & Security Senior Manager

Identity & Access Management | Director | Cyber Consulting | Advisory

Solution Sales Principal - Cyber Security

Security Operations Engineer (Dublin)

Senior Software Architect - Telecom Security

Senior Cloud Security Engineer

Security Solutions Architect

Sr. Software Engineering Manager – Infrastructure and Security

Lead Security Engineer

Risk & Regulatory - Senior Associate

Director of Security Engineering

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