Find Onsite support engineer Jobs in Dublin, D

Senior Penetration Tester
Integrity360 —Dublin, County Dublin
- Computer Science
- Windows
- Java
EMEA Cabling Quality Mgr, Global Cabling Quality
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Bachelor's degree
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Project Engineer
West Pharmaceutical Services —Dublin, County Dublin
- €51,040–€64,960 a year
- Overtime
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- Microsoft Office
- Project management
1d
Senior Platform Engineer
Autodesk —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
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Senior Security Engineer
Cubic³ —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- Windows
Senior Automation / OT Consultant
NNIT A/S —Dublin, County Dublin
- Azure
- English
- Java
Senior Engineer I&C
Exyte GmbH —Leixlip, County Kildare
- Engineering
- System design
- Bachelor's degree
Electrical Contracts Manager
Johnson Controls —Dublin, County Dublin
- Full-time
- System design
- Contracts
- Construction experience
14d
Senior Android Developer - Nenagh based
Expleo —Dublin, County Dublin
- Azure
- Computer Science
- Java
Senior Engineer I&C
Exentec —Leixlip, County Kildare
- Engineering
- System design
- Bachelor's degree
Senior AI Engineer
Marsh —Dublin, County Dublin
- Full-time
- Master's degree
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Senior Process Engineer - Packaging
Embecta —Dún Laoghaire, County Dublin
- Full-time
- Engineering
- Data analysis skills
- Bachelor's degree
Senior Manager Data Architecture and AI
Aptiv plc —Dublin, County Dublin
- Azure
- Computer Science
- Java
- Gym membership
Cloud Platform Manager
Elwood Roberts —Dublin, County Dublin
- €500–€600 a day
- Full-time
- Azure
- Computer Science
- DevOps
Quick apply
Senior Building Services Engineer – Modular Data Centre Solutions
Johnson Controls —Dublin, County Dublin
- Full-time
- Engineering
- Leadership
- Communication skills
Mechanical/HVAC Designer - BIM
Jacobs —Dublin, County Dublin
- Full-time
- HVAC
- Construction experience
- Communication skills
5d
Senior Process Engineer
Embecta —Dún Laoghaire, County Dublin
- Full-time
- Engineering
- Data analysis skills
- Bachelor's degree
6h
Senior Engineer Electrical
Exyte GmbH —Leixlip, County Kildare
- System design
- Bachelor's degree
- Communication skills
Commissioning Lead (Mechanical)
Johnson Controls —Dublin, County Dublin
- Full-time
- Engineering
- System design
- Analysis skills
Senior Technical Product Manager
Marsh —Dublin, County Dublin
- Full-time
- Agile
- Budgeting
- Communication skills
13d

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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

onsite support engineer jobs in dublin, d

Senior Penetration Tester

EMEA Cabling Quality Mgr, Global Cabling Quality

Project Engineer

Senior Platform Engineer

Senior Security Engineer

Senior Automation / OT Consultant

Senior Engineer I&C

Electrical Contracts Manager

Senior Android Developer - Nenagh based

Senior Engineer I&C

Senior AI Engineer

Senior Process Engineer - Packaging

Senior Manager Data Architecture and AI

Cloud Platform Manager

Senior Building Services Engineer – Modular Data Centre Solutions

Mechanical/HVAC Designer - BIM

Senior Process Engineer

Senior Engineer Electrical

Commissioning Lead (Mechanical)

Senior Technical Product Manager

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