Find onsite support engineer Jobs in dublin, d

Blockchain QA Engineer
Tata Consultancy Services —Dublin, County Dublin
- Call to connect
- Computer Science
- DevOps
- Master's degree
Test Automation Engineer
Cubic³ —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- AWS
Site Reliability Engineer
Elwood Roberts —Dublin, County Dublin
- €400–€500 a day
- Full-time
- Scripting
- Communication skills
- Python
Quick apply
Network Engineer - Dublin
EdgeConneX —Dublin, County Dublin
- On call
- Computer Science
- Windows
- Bachelor's degree
Web3 Blockchain Infrastructure Engineer
Tata Consultancy Services —Dublin, County Dublin
- Call to connect
- Computer Science
- Bachelor's degree
- No degree
Sr.Manufacturing Engineer - OnSite, Hardware Engineering - Manufacturing
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Master's degree
- AWS
- Project management
Network Lead
PM Group —Dublin, County Dublin
- On call
- Computer Science
- Analysis skills
- Bachelor's degree
Electrical Apprentice - Field Service Engineer
ABB —Dublin, County Dublin
- Overtime
- Maintenance
- Microsoft Office
- Leaving certificate
- Annual leave
Graduate SWE – Data Platforms
eBay Inc. —Dublin, County Dublin
- €50,500–€58,500 a year
- Full-time
- Computer Science
- Java
- Master's degree
9h
Senior Software Engineer, Database - Demonware - Dublin, IRL
Activision —Dublin, County Dublin
- Analysis skills
- No degree
- Agile
2d
Senior Full Stack Engineer - Oliver Wyman
Marsh —Dublin, County Dublin
- Full-time
- Master's degree
- Agile
- AI
Network Infrastructure Construction Quality Engineer
Amazon Data Services Ireland Limited - A65 —Dublin, County Dublin
- Full-time
- Engineering
- AWS
- Analysis skills
2d
Lead Agentic Engineer
Marsh —Dublin, County Dublin
- Full-time
- Java
- Master's degree
- Presentation skills
Graduate SWE - Distributed Databases
eBay Inc. —Dublin, County Dublin
- €50,500–€58,500 a year
- Full-time
- Computer Science
- System design
- Java
9h
Field Service Engineer
ASM International —Lucan, County Dublin
- Full-time
- Customer service
- English
- Microsoft Office
Electrical Design Engineer , Data Centre Design Engineering
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Master's degree
- AWS
- Bachelor's degree
14d
Health and Safety Manager , Data Center Health and Safety
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- Customer service
- SQL
- AWS
Lead Solutions Engineer
HubSpot —Dublin, County Dublin
- Sales
- No degree
- Mentoring
Senior Network Engineer - Demonware - Dublin, IRL
Activision —Dublin, County Dublin
- On call
- Scripting
- Linux
- Python
2d
Capacity Design Engineer, NCD
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- Microsoft Word
- Microsoft Excel
- Windows

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Blockchain QA Engineer

Tata Consultancy Services -
Dublin, County Dublin

Apply Now

Job details

Permanent

Qualifications

CI/CD
Node.js
Computer Science
DevOps
Master's degree
Bachelor's degree
REST
Contracts
Agile
SDLC

Full job description

If you need support in completing the application or if you require a different format of this document, please get in touch with at [email protected] with the subject line: “Application Support Request”.
Job Type: Permanent
Job Location: Dublin – IFSC (Customer Site, fully onsite)

Careers at TCS: It means more
TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

Work on mission‑critical transformation programmes that combine cutting‑edge technology with real‑world impact—helping global organisations build trust, resilience, and long‑term value.
Be empowered to challenge convention and lead with ideas, contributing to innovative solutions that shape industries while upholding strong ethical and sustainability principles.
Your work directly supports people, communities, and society, allowing you to grow your career while being part of a company driven by purpose, belief, and responsible innovation.

The Role
We are seeking a QA Engineer with strong expertise in Blockchain technologies to ensure the quality, security, and reliability of blockchain-based applications. The ideal candidate will have hands-on experience testing blockchain networks, smart contracts, and decentralized applications (DApps), along with a solid understanding of blockchain operations.

Your responsibilities:
Agile Facilitation & Delivery Excellence

Design, develop, and execute test strategies, test plans, and test cases for blockchain-based systems.
Perform functional, integration, system, regression, and performance testing of blockchain platforms and DApps.
Validate smart contracts for correctness, security vulnerabilities, gas optimization, and compliance with business logic.
Test blockchain operations including node setup, network configurations, consensus mechanisms, and transaction lifecycle.
Conduct API testing for blockchain services and integrations with off-chain systems.
Identify, log, track, and verify defects using defect management tools.
Collaborate closely with blockchain developers, architects, and DevOps teams throughout the SDLC.
Participate in security testing, including vulnerability assessment and basic penetration testing for smart contracts.
Support UAT, production validation, and post-deployment monitoring.
Ensure adherence to quality standards, best practices, and regulatory requirements (where applicable).

Essential skills/knowledge/experience:

Strong experience in QA / Software Testing with focus on Blockchain technologies.
Hands-on experience testing smart contracts (e.g., Solidity, Vyper).
Knowledge of major blockchain platforms such as:
- Ethereum / Polygon / BSC / Hyperledger Fabric / Corda (any one or more)
Experience with blockchain testing tools such as:
- Truffle, Hardhat, Ganache, Remix, Foundry (or similar)
Experience with API testing tools (Postman, REST clients).
Familiarity with CI/CD pipelines and DevOps practices.
Bachelor’s or Master’s degree in computer science, Engineering, or related field.

Desirable skills/expertise

Blockchain certifications or formal training will be an added advantage.
BFSI Industry experience a bonus.
Knowledge of test automation frameworks.

Rewards & Benefits
TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop and access to extensive training resources and discounts within the larger Tata network.
We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon and partner with our local communities in Ireland.

Diversity, Inclusion and Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the Ireland Employment Equality Acts 1998-2011 (as amended) and the Equal Status Acts 2000-2012 (as amended).
We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.
As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role. Please email [email protected] if you would like to opt in.

If you are an applicant who needs any adjustments to the application process or interview, please contact [email protected] with the subject line: “Adjustment Request” or email to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Beware of Fraudulent offers
This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to [email protected] to report any fraudulent activity.

Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.

Join us and do more of what matters. Apply online now.

Apply Now

Refine Your Search

onsite support engineer jobs in dublin, d

Blockchain QA Engineer

Test Automation Engineer

Site Reliability Engineer

Network Engineer - Dublin

Web3 Blockchain Infrastructure Engineer

Sr.Manufacturing Engineer - OnSite, Hardware Engineering - Manufacturing

Network Lead

Electrical Apprentice - Field Service Engineer

Graduate SWE – Data Platforms

Senior Software Engineer, Database - Demonware - Dublin, IRL

Senior Full Stack Engineer - Oliver Wyman

Network Infrastructure Construction Quality Engineer

Lead Agentic Engineer

Graduate SWE - Distributed Databases

Field Service Engineer

Electrical Design Engineer , Data Centre Design Engineering

Health and Safety Manager , Data Center Health and Safety

Lead Solutions Engineer

Senior Network Engineer - Demonware - Dublin, IRL

Capacity Design Engineer, NCD

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