Find security operations engineer (dublin) Jobs in coolock county dublin

Blockchain QA Engineer
Tata Consultancy Services —Dublin, County Dublin
- Call to connect
- Computer Science
- DevOps
- Master's degree
Technology Infrastructure Assistant Vice President
Sumitomo Mitsui Banking Corporation —Dublin, County Dublin
- Weekend availability
- Hybrid work
- IT
- Communication skills
- Annual leave
2d
Senior Grid Delivery Manager, AWS , (To be based in London, Dublin, Madrid or Frankfurt)
Amazon Energy Eoraip Limited - G45 —Dublin, County Dublin
- Full-time
- Engineering
- Master's degree
- AWS
Software Development Engineer - Lambda, Lambda - Experience
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- Bachelor's degree
- Relocation assistance
6d
AI Support Engineer - Dublin
OpenAI —Dublin, County Dublin
- Weekend availability
- Computer Science
- Bachelor's degree
- No degree
- Relocation assistance
- Annual leave
Data Centre Operative (Dublin, Ireland)
Posh —Dublin, County Dublin
- English
- Forklift
- No degree
Backup and Recovery Engineer - Assistant Vice President
Sumitomo Mitsui Banking Corporation —Dublin, County Dublin
- Hybrid work
- Scripting
- Communication skills
- Annual leave
Full-Stack Engineer (Back-End Leaning)
ElevenLabs —Dublin, County Dublin
- Full-time
- Remote
- System design
- Python
Software Engineer - Frontend/Full Stack
PlayStation Global —Dublin, County Dublin
- €69,500–€104,300 a year
- Hybrid work
- Computer Science
- Java
- AWS
- Wellness program
- Annual leave
Senior Microsoft Security Engineer
Codec —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- Oracle
- Windows
Quick apply
Software Engineer - Application - React Native
Elwood Roberts —Dublin, County Dublin
- €50,000–€100,000 a year
- Full-time
- AWS
- Software development
Quick apply
Associate Technical Services Engineer II
MongoDB —Dublin, County Dublin
- Weekend availability
- Azure
- Windows
- Java
Senior Network Engineer
Athora —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- AWS
- Project management
10d
Cloud Infrastructure Engineer
Pay and Shop Ltd —Dublin, County Dublin
- Full-time
- DevOps
- English
- Bachelor's degree
Quick apply
Devops Engineer
Horizon Quantum Computing —Dublin, County Dublin
- Full-time
- DevOps
- Master's degree
- AWS
QA Engineer - Fuze Services
LetsGetChecked —Dublin, County Dublin
- €47,900–€64,900 a year
- Computer Science
- English
- Master's degree
- Annual leave
- Employee assistance program
10d
Web3 Blockchain Infrastructure Engineer
Tata Consultancy Services —Dublin, County Dublin
- Call to connect
- Computer Science
- Bachelor's degree
- No degree
General Operative (Shift)
SWARCO Group —Dublin, County Dublin
- €42,000–€45,000 a year
- Full-time
- No degree
- Mechanical knowledge
- Outdoor work
Full Stack Developer
Virtu Financial —Dublin, County Dublin
- Java
- JavaScript
- Python
Embedded Software Engineer - Trailer Pulse
ZF —DUBLIN 2, County Dublin
- Computer Science
- Analysis skills
- Bachelor's degree
- Annual leave
9d

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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

security operations engineer (dublin) jobs in coolock county dublin

Blockchain QA Engineer

Technology Infrastructure Assistant Vice President

Senior Grid Delivery Manager, AWS , (To be based in London, Dublin, Madrid or Frankfurt)

Software Development Engineer - Lambda, Lambda - Experience

AI Support Engineer - Dublin

Data Centre Operative (Dublin, Ireland)

Backup and Recovery Engineer - Assistant Vice President

Full-Stack Engineer (Back-End Leaning)

Software Engineer - Frontend/Full Stack

Senior Microsoft Security Engineer

Software Engineer - Application - React Native

Associate Technical Services Engineer II

Senior Network Engineer

Cloud Infrastructure Engineer

Devops Engineer

QA Engineer - Fuze Services

Web3 Blockchain Infrastructure Engineer

General Operative (Shift)

Full Stack Developer

Embedded Software Engineer - Trailer Pulse

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