Junior DevOps Engineer – Jenkins - Cork, Ireland

About The Role

We are looking for a Junior DevOps Engineer (Jenkins) to join our CI/CD infrastructure team supporting large‑scale machine learning verification.

This role focuses on the operation and administration of Jenkins infrastructure that underpins software validation across our group. You will work as part of a growing team responsible for running Jenkins as a production service - ensuring reliability, scalability, and consistent CI signal for engineering teams.

You will contribute to the ongoing operation and continuous improvement of CI systems that support high‑volume automated workloads and distributed test environments.

Responsibilities

• Support the operation of Jenkins as a production CI service, ensuring availability, stability, and responsiveness.

• Contribute to Jenkins administration, including job and pipeline configuration, plugin management, and system updates.

• Oversee continuous integration systems and address infrastructure concerns by systematically triaging failures and determining root causes in coordination with the team.

• Assist with scaling and capacity management, including Jenkins agents, node lifecycle, and resource utilization.

• Maintain and improve system reliability and CI signal quality, including identifying and addressing infrastructure-related issues.

• Contribute to automation and tooling to reduce operational overhead and improve repeatability.

• Work cross-functionally with engineering teams to support CI/CD workflows and improve pipeline stability.

What are we looking for? (Minimum Qualifications)

• Bachelor’s degree in Computer Science, Engineering, or a related discipline (or equivalent practical experience).

• 1–2 years of relevant experience in DevOps, CI/CD, or software engineering environments.

• Strong understanding of CI/CD concepts and workflows, including build, test, and pipeline execution.

• Experience with Jenkins administration, including pipelines, job configuration, or plugin management.

• Experience working in Linux environments, with the ability to troubleshoot system-level issues.

• Strong problem-solving skills and the ability to work effectively in a team-oriented environment.

Preferred Qualifications / Nice to Have

• Experience supporting or operating CI/CD systems at scale.

• Familiarity with Git-based development workflows.

• Knowledge of scripting (e.g. Python or shell) to support automation.

• Solid understanding of infrastructure concepts such as compute, storage, and networking.

• Awareness of reliability, monitoring, and operational best practices in CI environments.

Where you will be working

Cork has a proud reputation as Ireland's second largest economic engine and is now one of the Top 20 location choices in Europe with 39,000 people being employed by over 170 overseas companies.
There's a growing diversity in the region with people from many nationalities relocating to Cork, relishing the opportunity to work and live in a location that offers an excellent quality of life.
A gateway to Europe, Cork airport provides access to almost 50 international destinations including transatlantic air routes.

Equal Opportunities

We are an Equal Opportunity employer; all qualified applicants will receive consideration for employment without regard to race, colour, religion, sexual orientation, gender identity, national origin, disability, veteran status, or any protected classification.

What's on Offer

Apart from working in an open, relaxed and collaborative space, you will enjoy:

• Salary, stock and performance related bonus
• Maternity/Paternity Leave
• Employee stock purchase scheme
• Matching pension scheme
• Education Assistance
• Relocation and immigration support (if needed)
• Life, Medical, Income and Travel Insurance
• Subsidised memberships for physical and mental well-being
• Bicycle purchase scheme
• Employee run clubs, including, running, football, chess, badminton + many more

Preferred Qualifications:

• Master's degree in Electrical/Electronic Engineering, Computer Engineering, or Computer Science.

• 6+ months of experience with architecture and design tools.

• 6+ months of experience with scripting tools and programming languages.

• 6+ months of experience with design verification methods.

Principal Duties & Responsibilities:

• Applies ASIC knowledge to assist and support the defining, modeling, designing (digital and/or analog), optimizing, verifying, validating, implementing, and documenting of IP (block/SoC) development for a variety of high performance, high quality, low power products.

• Assists in the creation of architectures, circuit specifications, logic designs, and/or system simulations based on system-level requirements.

• Collaborates with team members to assist in the development of an implementation strategy that meets system requirements and customer needs.

• Supports the evaluation of process flow from high-level design to synthesis, place and route, and timing and power use, and verification or similarly for custom circuit design/layout flow.

• Utilizes tools/applications (e.g., RTL to GDS Flow, Virtuoso) to execute and enable architecture and design of a specific part of a block/SoC or IC Package.

• Writes technical documentation for EDA/IP/ASIC projects.

Level of Responsibility:

• Works under supervision.

• Decision-making affects direct area of work and/or work group.

• Requires verbal and written communication skills to convey basic, routine factual information.

• Tasks require multiple steps which can be performed in various orders; some planning, problem-solving, and prioritization must occur to complete the tasks effectively.