Systems Engineer jobs in Ireland
Ebay Cloud Platform Security Engineer Ireland, Dublin
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What you will accomplish:
Design and maintain scalable IAM and Kubernetes RBAC solutions to govern secure access for users and services.
Build automation and diagnostic tools in Go and Java to streamline platform operations and boost reliability.
Partner with global security teams to embed regulatory requirements such as NYDFS and GDPR into development workflows.
Architect observability frameworks that deliver deep visibility into application health and security posture.
Identify and close system-level gaps to improve platform resilience and security compliance.
Champion secure design principles and operational excellence across the cloud platform.
Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
5+ years of hands-on experience with Linux systems, including deep knowledge of kernel internals (scheduling, memory management, file systems, networking).
Strong programming skills in C++, Go, or Python.
Proven experience with IAM systems and Kubernetes RBAC; understanding of compliance frameworks such as GDPR and NYDFS.
Expertise in managing containerized workloads and building scalable, secure cloud systems.
Problem-solver with the ability to identify cross-functional issues and drive end-to-end resolutions.
Experience mentoring others, leading small-scale initiatives, and collaborating across teams.
Security-first mindset in both design and operations.
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EY AI & Data - Agentic Engineer Manager Ireland
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Dublin / Cork / Limerick / Galway / Waterford
Available for Work Visa Sponsorship:
UKI Data & AI
Contract Type:Full-Time – Permanent
- ‑on Team Lead/Architect. Defines technical standards, codes daily, ensures compliance and safe MVP delivery.
- Experience: 3-5 years across SWE/ML and AI systems design; proven delivery in enterprise/(regulatory contexts a bonus)
- Academic Credentials: MSc or PhD preferred; equivalent senior industry experience acceptable with enterprise‑scale delivery.
- Expected Deliverables (indicative): Enterprise‑grade GenAI and multi‑agent orchestration; vendor/LLM selection and portfolio strategy (OpenAI, Anthropic, Gemini, Mistral, Llama, Hugging Face); , established coding/CI/CD/documentation standards,.storage and retrieval, knowledge architectures incl. RAG, agent perception layers.
- Core Skills: Python, Docker/Kubernetes/ECS at scale; ; event‑driven (Kafka/RabbitMQ); observability ().
- Patterns: Tree‑of‑Thought, multi‑agent orchestration, debate/deliberation agents; RLHF/RLAIF strategy awareness.
- Possess strong interpersonal and communication skills.
Machine Learning / AI Skills
- Comprehensive AI across NLP, Computer Vision, Document Intelligence, Time Series, and multimodal GenAI.
- Expert use of PyTorch/TensorFlow and Hugging Face; integration of ML into enterprise pipelines.
- Design of organization‑level evaluation and scoring frameworks (text, vision, multimodal) with release gates (R/A/G).
- Governance: alignment to ISO 42010 and EU AI Act; model/prompt/data versioning; audit logs; risk management.
- LLM Strategy: evaluate and standardize across providers (OpenAI, Anthropic, Google Gemini, Mistral, Llama) and vector platforms (Pinecone/Weaviate/Milvus).
- Cloud: multi‑cloud and hybrid architecture across AWS, Azure, and GCP; reliability/SLOs; cost/tokens governance.
Ideally, You’ll also have
• MSc or PhD in a relevant field, or equivalent senior industry experience.
• Experience in designing evaluation frameworks and release gates for AI models.
• Knowledge of vector platforms like Pinecone, Weaviate, and Milvus.
What we look for
We offer a competitive remuneration package. Our comprehensive Total Rewards package includes support for flexible working and career development, and with FlexEY you can select benefits that suit your needs, covering holidays, health and well-being, insurance, savings and a wide range of discounts, offers and promotions. Plus, we offer:
• Support and coaching from some of the most engaging colleagues around
• Opportunities to develop new skills and progress your career
• The freedom and flexibility to handle your role in a way that’s right for you
All our employees are given a benefits package which they can tailor to suit their individual preferences. Our range of benefits include:
• Pension
• Maternity & Paternity leave
• Discounted health insurance
• Bike to work Scheme
• Web Doctor - Free unlimited online GP consultations for you and your family
• Recognition Awards
• The purchase of additional annual leave
• Cash incentives for referrals
• Hybrid Working
• Work Mobile
• Free Gym membership
• TECH MBA paid by EY
• Travel Pass
• Wellness rooms Available in some offices
Career Progression
• When you join EY, you will be supported to ensure that you are enhancing your skills from day one.
• Continuous learning, where you can develop the mindset and skills to navigate whatever comes next.
• As you grow and develop here, you’ll discover opportunities to help customise your career journey, so that it’s as unique as you are - success is defined by you, we will provide the tools and flexibility, so you can make a meaningful impact, your way.
• Transformative leadership, we will give you the insights, coaching and confidence to be the leader the world needs.
• Diverse and inclusive culture, you will be embraced for who you are and empowered to use your voice to help others find theirs.
• We have embraced Hybrid working at EY adding greater flexibility and autonomy to the roles of our employees.
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Ebay Senior Hadoop Software Engineer Ireland, Dublin
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About the role
Troubleshoot and resolve production issues, ensuring minimal downtime. Maintain and improve system monitoring, logging, and alerting.
What you will bring
A validated, successful track record of 5+ years with strong programming skills in either Java or Scala.
Comprehensive knowledge of Apache Spark’s internals, including Catalyst optimizer, Tungsten execution engine, shuffle mechanics, AQE, and memory management.
Solid understanding of file formats like Apache Parquet and table formats such as Apache Iceberg，Delta or Apache Hudi internals, including snapshots, manifests, partition specs, and table metadata.
Familiarity with Linux/Unix systems, including shell scripting and system commands. Understanding of networking principles, as Hadoop often operates in distributed environments. Overall, the candidate is expected to have analytical skills to tackle complex distributed system challenges and optimize solutions.
Excellent problem solving and analytical skill on both defect and performance issue resolution.
Good team player and able to work with global team
Plus Points
Contribution to related open source projects like Apache Spark/Iceberg
Experience in designing and implementing distributed systems.
Good understanding of other Hadoop related projects including HDFS/HBase/Yarn
The cool part
Shape the future of eBay’s Hadoop ecosystem and big-data infrastructure.
Work at global scale, driving analytics that power millions of eBay experiences.
Join a culture that encourages open-source contribution, innovation, and collaboration.
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EY UKI Technology Consulting - Databricks Engineer Assistant Ma... Ireland
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Qualification
- LL. B (professional qualification)
Key responsibilities will include the following:
- Drafting, reviewing, negotiating, finalising and advising on client and procurement contracts (for EY and its global network member firms) and shall include:
- IT contracts for multiple EY divisions and variety of technologies (such as AI, robotics, analytics),
- Software License contracts, Hosted software/Hosted Services Agreements;
- IT Services agreements; Outsourcing Agreements, Managed Services Agreement, Software support agreements; SLAs
- Client Contracts (Engagement Agreement, Teaming Agreement, Sub-Contract Agreement, RFPs, Managed Services Agreement).
- Act as a point of contact for EY’s business/procurement teams and support the legal team.
- Have a thorough understanding of general key business risks that need to be managed (training will be facilitated in respect of EY’s specific risk management framework)
- Assist with creating, facilitating, and delivering training to the team members.
- Collaborating with internal specialist functions including Independence, onshore legal teams, Security, Privacy and Risk Management
- Maintaining an understanding of the impact of changes in EY policies, organizational structure, and procedures.
- Handling, mentoring, and leading a team of legal counsels
- Guiding and handholding the junior team members in their day-to-day transactions
Skills and attributes for success
- You will be provided with training and coaching on the job.
- We are looking for someone who has the following attributes and skills:
- A pragmatic problem solver
- A drive to continuously build and master key technical, functional and professional skills
- Self-starter and motivated
- Ability to effectively manage a demanding workload with tight deadlines in a fast-paced, challenging and demanding environment
Experience and qualifications
- Law Graduate/LL.B, with 5-8 years of post-qualification experience in drafting, reviewing and negotiating technology contracts or other complex contracts with an appreciation of general legal and risk management issues. Experience in US and UK laws are preferred
- Experience in dealing with IT contracts - S.I programs, niche projects / agile approach, IT advisory, Program Management / Change around IT programs, Program/software development projects.
- Previous risk management at a professional services firm
- Experience of senior management and stakeholder management
- Interest in the area of risk management or compliance
- Knowledge of data protection (GDPR/CCPA), privacy and security terms
- Confidence delivering subject matter content to peers and seniors (to facilitate training either in person or online)
- Understanding of compliance related concepts such as Independence, Conflicts.
- Holds experience of collaboration in multi-vendor IT landscapes
- Experiences in drafting and negotiating IP terms in contracts
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Ebay Senior Software Engineer Data Platform Ireland, Dublin
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At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.
Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.
Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.
eBay is a global commerce leader that connects millions of buyers and sellers around the world. We empower people and create economic opportunities for individuals, businesses, and communities. We're driven by a vision to create a more sustainable form of commerce that benefits the environment and society as a whole. Join us as we continue to innovate and shape the future of e-commerce.
Cloud Data Technologies (CDT) team at eBay is responsible for all the data infrastructure and management of end-to-end data lifecycle for all eBay data from onsite to analytics use cases. We are seeking a Software Engineer passionate about data-driven technologies and architectures.
work independently . You’ll design and deliver well-scoped services and features that advance eBay’s Core Data Platform—improving scalability, reliability, and developer experience. This role is ): you’ll build and evolve the platform itself rather than author application pipelines.
Independently design, implement, and ship distributed services and features end-to-end (design → code → tests → deploy → operate).
Build core platform capabilities across ingestion, streaming, lakehouse/warehouse, catalog, and governance .
Write production-grade code with strong observability (metrics, logs, traces) and SLOs , and participate in on-call for the services you own.
Diagnose and resolve performance, scalability, and correctness issues in distributed environments.
Contribute design docs for your areas; participate in reviews to uphold reliability, security, and cost best practices.
Collaborate with product, infra, and analytics teams to align technical work with business outcomes.
6+ years of software engineering experience, ideally in data infrastructure or large-scale backend systems.
Strong coding skills in Java or Python , with working knowledge of CI/CD pipelines.
Deep understanding of distributed systems (consensus, replication, fault tolerance) and experience running them in production.
Proven ability to build high-performance, low-latency APIs , with experience in memory, CPU, and heap optimizations.
Deep understanding of distributed systems internals and how to apply that knowledge to build robust, high-performance platforms.
Examples include Kafka partitioning and consumer lag handling, Flink checkpointing/state management, exactly once semantics and Spark shuffle/memory optimization.
Proven experience designing and building scalable data pipelines using Kafka, Flink, Spark , and modern data lake formats like Delta Lake or Iceberg .
Familiarity with modern data lake storage formats (e.g., Delta Lake, Apache Iceberg).
Strong debugging, system design, and performance analysis skills.
Able to work independently, make trade-offs, and deliver high-quality, maintainable code.
Contributions to open-source distributed systems or data platforms.
ships independent, well-scoped features/services to production with strong reliability.
Demonstrably improves throughput/latency/cost or availability/SLOs on owned services.
Becomes a go-to engineer for distributed-systems debugging and design conversations within the team.
Maintains high code quality, test coverage, and quality-in-release metrics.
Impact at scale: Your platform work powers analytics and ML across a global marketplace.
Hard problems: Streaming freshness/correctness, storage/compute efficiency, multi-region resiliency.
Collaborative culture: Inclusive team that values autonomy, craftsmanship, and knowledge sharing.
Growth: Strong mentorship, career development resources, and sustainable on-call practices.
Please see the for information regarding how eBay handles your personal data collected when you use the eBay Careers website or apply for a job with eBay.
eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at . We will make every effort to respond to your request for accommodation as soon as possible. View our to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities.
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EY AI & Data - Lab Full-Stack Engineer Agentic Platform Manager Ireland
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General Information
Ireland - Dublin
Available for Work Visa Sponsorship:
AI & Data
helping to create long-term value for clients, people and society and build trust in the capital markets.
As part of this team, you’ll:
- Collaborate with experts in data science, machine learning, and engineering to design and deliver transformative AI solutions.
- Work on pioneering projects that explore generative AI, predictive analytics, and intelligent automation.
- Shape the future of business by turning research into scalable solutions for global clients.
- Innovate in a dynamic environment, where creativity and experimentation are encouraged.
Your Key Responsibilities
- Design, develop and maintain full-stack web applications supporting agentic AI workflows.
- Build cloud-native microservices and APIs (FastAPI, Node.js, Python) integrating LLM and RAG components.
- Develop responsive front-ends using React and Power Apps to provide intuitive user experiences.
- Implement CI/CD pipelines, containerisation (Docker/Kubernetes), and monitoring for performance and reliability.
- Collaborate cross-functionally to integrate Azure OpenAI, LangChain/LangGraph, and Power Automate flows into the platform.
- Contribute to engineering standards, code reviews and reusable AI Lab components.
To qualify for the role, you must have
- 5-7 + years’ experience delivering full-stack applications in production.
- Proficiency in React (or Angular/Vue), Node.js and Python frameworks.
- Experience building APIs (REST / GraphQL) and deploying on Azure or AWS using containerisation and serverless patterns.
- Familiarity with SQL/NoSQL databases and data pipeline integration.
- Understanding of LLM integration, prompt engineering, and AI API consumption.
Ideally, you will also have
- Experience with LangChain/LangGraph, RAG pipelines and agentic architectures.
- Familiarity with Power Platform (Power Apps / Power Automate) and workflow automation.
- Strong DevOps skills and testing automation mindset
We offer a competitive remuneration package. Our comprehensive Total Rewards package includes support for flexible working and career development, and with FlexEY you can select benefits that suit your needs, covering holidays, health and well-being, insurance, savings and a wide range of discounts, offers and promotions. Plus, we offer:
- Support and coaching from some of the most engaging colleagues around
- Opportunities to develop new skills and progress your career
- The freedom and flexibility to handle your role in a way that’s right for you
All our employees are given a benefits package which they can tailor to suit their individual preferences. Our range of benefits include:
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Career Progression
- When you join EY, you will be supported to ensure that you are enhancing your skills from day one.
- Continuous learning, where you can develop the mindset and skills to navigate whatever comes next.
- As you grow and develop here, you’ll discover opportunities to help customise your career journey, so that it’s as unique as you are - success is defined by you, we will provide the tools and flexibility, so you can make a meaningful impact, your way.
- Transformative leadership, we will give you the insights, coaching and confidence to be the leader the world needs.
- Diverse and inclusive culture, you will be embraced for who you are and empowered to use your voice to help others find theirs.
- We have embraced Hybrid working at EY adding greater flexibility and autonomy to the roles of our employees.
Inclusion & Diversity
We recognise the strength that comes from having a diverse workforce and building a culture where we support all our people to achieve their potential. You’ll be embraced for who you are and empowered to use your voice to help others find theirs.
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Ebay Senior Software Engineer - Traffic Ireland, Dublin
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The design, development, and maintenance of traffic management solutions.
Optimize network protocols, configurations, and Points of Presence (PoP).
Develop and implement advanced caching strategies to improve system efficiency.
Develop high-performance applications in C++ and Go.
Deploy and manage scalable systems on Kubernetes.
Implement observability tools and practices to monitor system performance and health.
Collaborate with cross-functional teams to integrate networking solutions.
Monitor and analyze traffic patterns and security threats.
Contribute to and lead open-source projects.
Innovate and develop patented technologies to improve network capabilities.
Stay updated with the latest developments in network technologies, security practices, and software development.
Identify gaps and issues across systems and functional areas, proposes solutions, and drives those resolutions.
Champion best practices and advanced concepts and impact the business by delivering solutions that address business needs.
Lead and empower others, taking responsibility for small projects and collaborating across functional teams to influence change.
Actively seek feedback and ways to improve team performance and projects, demonstrating strong communication skills.
At least 5 years of experience in cloud networking or traffic management.
Strong programming skills in C++ and Go.
Experience with TCP/IP networking
Familiarity with TCP, SSL and HTTP Protocols.
Expertise in using Kubernetes for orchestrating containerized applications.
Experience with observability tools and practices.
Experience with Envoy for traffic control.
Experience contributing to and leading open-source projects.
Certifications in networking, Kubernetes, cyber security, or related fields.
Experience in a high-traffic, large-scale environment.
Familiarity with additional programming languages, including Java, or frameworks.
Proficiency in Agile development methodologies.
Experience in patent creation and innovation.
Experience in implementing caching strategies and optimizing PoPs.
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What you will accomplish:
Design and maintain scalable IAM and Kubernetes RBAC solutions to govern secure access for users and services.
Build automation and diagnostic tools in Go and Java to streamline platform operations and boost reliability.
Partner with global security teams to embed regulatory requirements such as NYDFS and GDPR into development workflows.
Architect observability frameworks that deliver deep visibility into application health and security posture.
Identify and close system-level gaps to improve platform resilience and security compliance.
Champion secure design principles and operational excellence across the cloud platform.
Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
5+ years of hands-on experience with Linux systems, including deep knowledge of kernel internals (scheduling, memory management, file systems, networking).
Strong programming skills in C++, Go, or Python.
Proven experience with IAM systems and Kubernetes RBAC; understanding of compliance frameworks such as GDPR and NYDFS.
Expertise in managing containerized workloads and building scalable, secure cloud systems.
Problem-solver with the ability to identify cross-functional issues and drive end-to-end resolutions.
Experience mentoring others, leading small-scale initiatives, and collaborating across teams.
Security-first mindset in both design and operations.
These jobs might be a good fit
