Find Principal engineer Jobs in Dublin, D

Principal Engineer II (Linux team)
ICON Plc —Dublin, County Dublin
- Full-time
- Engineering
- Analysis skills
- Scripting
Principal Engineer (IT Automation & AI-native Transformation)
SoSafe —Dublin, County Dublin
- Full-time
- Remote
- Microsoft Excel
- Leadership
- Communication skills
- Referral programme
Principal Cybersecurity Data Engineer
Workday —Dublin, County Dublin
- €104,000–€156,000 a year
- Full-time
- Master's degree
- SQL
- AWS
4d
Principal Engineer - Commerce Hub
Fiserv —Dublin, County Dublin
- Full-time
- Java
- AWS
- AI
4d
Principal Geotechnical Engineer
Cicad —Dublin, County Dublin
- Employee assistance program
8d
Principal Full Stack Software Engineer – eCommerce Platforms
Abbott Laboratories —Dublin, County Dublin
- Full-time
- Azure
- System design
- Java
Software Architect
Holafly —Dublin, County Dublin
- Remote
- Spanish
- System design
- English
Principal Engineer, Firmware Engineering
Analog Devices —Glasnevin, County Dublin
- Full-time
- System design
- Master's degree
- C++
Principal Cybersecurity Architect
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- AWS
- Software development
- AI
Software Development Engineer II, Transactional Data Storage
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- Bachelor's degree
Engineering Manager - Commerce Hub
Fiserv —Dublin, County Dublin
- Full-time
- Java
- AWS
- Agile
1d
AI Software Architect – Dublin, Ireland (Hybrid)
Hadfield Green —DUBLIN 2, County Dublin
- System design
- Master's degree
- AI
Lead Software Developer / Technical Lead – Dublin, Ireland (Hybrid)
Hadfield Green —DUBLIN 2, County Dublin
- System design
- JavaScript
- Software development
Data Platform Engineer - Cybersecurity
Workday —Dublin, County Dublin
- €70,200–€105,400 a year
- Full-time
- Azure
- Engineering
- AWS
5d
Solution Architect
Sonalake —Dublin, County Dublin
- Hybrid work
- English
- Presentation skills
- Agile
Quick apply
Sr. Software Development Engineer, AWS DMS
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Oracle
- Computer Science
- Java
Principal Web Application Architect
Hadfield Green —DUBLIN 2, County Dublin
- Full-time
- Presentation skills
- In-person
Data Analytics and AI Team Lead
Spanish Point Technologies —Clontarf, County Dublin
- Spanish
- Azure
- Computer Science
Join AECOM's growing Transportation Team in Ireland
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- Master's degree
- Bachelor's degree
- Leadership
Senior Project Manager
EMR Integrated Solutions —Dunboyne, County Meath
- €65,487–€68,761 a year
- Full-time
- Hybrid work
- Engineering
- Project management
- Bachelor's degree
Quick apply

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Principal Engineer II (Linux team)

ICON Plc -
Dublin, County Dublin

Apply Now

Job details

Full-time

Qualifications

CI/CD
Kubernetes
Ansible
Load balancing
Engineering
Bash (Unix shell)
Firewall
Analysis skills
Terraform
Scripting
DNS
Solarwinds
CentOS
VMWare
Linux
TCP/IP
AI
Communication skills
Python

Full job description

Principal Engineer II - Office Hybrid in Dublin, Ireland

ICON is a global healthcare intelligence and clinical research organisation united by a mission to bring new medicines and treatments to patients faster.

As a values-driven organisation, integrity, collaboration, agility, and inclusion are at the heart of how we work and interact with each other, customers, patients and suppliers.

Overview

We are seeking a highly skilled Principal Engineer II to join our Linux team, and to provide senior technical leadership in designing, implementing, and supporting enterprise-grade Linux platforms. This role is critical to maintaining the reliability, scalability, and security of infrastructure that underpins business-critical services. The successful candidate will bring deep expertise in Linux systems, I BM Spectrum Scale (GPFS), Red Hat OpenShift/Kubernetes, OpenShift AI and VMware, and will play a key role in driving innovation, operational excellence, and platform modernization.

This role is ideal for a seasoned Linux engineer who thrives in complex environments and is passionate about building resilient, scalable platforms. As a Principal Engineer II, you will play a pivotal role in shaping the infrastructure strategy while acting as a trusted technical leader for mission-critical initiatives.

This is an Office Hybrid role with 60% office-attendance (3 times a week) in our HQ in Leopardstown, Dublin 18.May require participation in an on-call rotation.

Occasional off-hours work for maintenance or incident response.

Key Responsibilities

Serve as the technical lead for business-critical projects, owning architecture, design decisions, and successful delivery.
Design, implement, and maintain highly available, scalable Linux environments across on-premises and virtualized platforms.
Administer and optimize IBM Spectrum Scale (GPFS) for high-performance, distributed storage and data management.
Deploy, manage, and enhance container platforms using OpenShift/Kubernetes, and OpenShift AI, ensuring secure and efficient application delivery.
Manage and optimize virtualized infrastructure leveraging VMware technologies.
Ensure system stability, performance, availability, and data integrity across all Linux-based infrastructure.
Develop and implement security hardening standards, ensuring compliance with organizational and industry best practices.
Lead troubleshooting and root cause analysis for complex system and performance issues in distributed environments.
Drive automation initiatives using scripting and infrastructure-as-code to improve efficiency and reduce operational risk.
Collaborate with application, DevOps, security, and infrastructure teams to align platform capabilities with business needs.
Establish and enforce engineering standards, best practices, and documentation.
Mentor and provide technical guidance to engineers, fostering skill development and knowledge sharing.

Required Qualifications

Extensive experience in Linux system engineering and administration (e.g., RHEL, CentOS, or equivalent).
Proven expertise with IBM Spectrum Scale (GPFS), including design, deployment, and performance tuning.
Proven experience with OpenShift, Kubernetes and OpenShift AI, including cluster management and container orchestration.
Experience in using VMware environments.
Deep understanding of system performance tuning, monitoring, and capacity planning.
Experience implementing security hardening, patching strategies, and compliance frameworks.
Strong scripting and automation skills (e.g., Bash, Python, Ansible, Terraform).
Solid networking knowledge (TCP/IP, DNS, load balancing, firewalls).
Strong understanding of disaster recovery and contingency planning.
Experience with high-availability architectures.
Familiarity with CI/CD pipelines and Platform Engineering practices.
Knowledge of enterprise monitoring and logging tools (e.g., Prometheus, Grafana, ELK stack and Solarwinds).
Relevant certifications (e.g., RHCE, RHCA, OpenShift, or equivalent).
Demonstrated ability to lead complex technical projects and influence architectural decisions.
Strong written and verbal presentation and communication skills, with the ability to engage both technical and non-technical stakeholders.

Key Competencies

Strong problem-solving and analytical skills.
Excellent communication and stakeholder management abilities.
Leadership mindset with the ability to drive initiatives and mentor teams.
Proactive approach to continuous improvement and innovation.
Ability to perform effectively in fast-paced, high-impact environments.

#LI-Hybrid

#LI-MK2

Employment with ICON is contingent upon having the legal right to work in the country where the role is based.

Rewards & Benefits

ICON offers a competitive and comprehensive total rewards package designed to support your health, wellbeing, and career development.

Benefits may include:

Competitive base salary and performance related incentives
Health and wellbeing programmes including medical, dental, and vision coverage where applicable
Retirement and pension plans
Life assurance and disability coverage
Employee assistance programmes and wellbeing resources
Learning and development opportunities through structured training and career pathways

Benefits may vary depending on role and location.

Visit our careers site to read more about the benefits ICON offers.

Inclusion and Accessibility

ICON is an equal opportunity employer. We are committed to building an inclusive and accessible workplace where everyone feels valued and supported.

If you require reasonable accommodations during the recruitment process, please let us know or submit a request .

Are you a current ICON Employee?

Apply Now

Refine Your Search

principal engineer jobs in dublin, d

Principal Engineer II (Linux team)

Principal Engineer (IT Automation & AI-native Transformation)

Principal Cybersecurity Data Engineer

Principal Engineer - Commerce Hub

Principal Geotechnical Engineer

Principal Full Stack Software Engineer – eCommerce Platforms

Software Architect

Principal Engineer, Firmware Engineering

Principal Cybersecurity Architect

Software Development Engineer II, Transactional Data Storage

Engineering Manager - Commerce Hub

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Lead Software Developer / Technical Lead – Dublin, Ireland (Hybrid)

Data Platform Engineer - Cybersecurity

Solution Architect

Sr. Software Development Engineer, AWS DMS

Principal Web Application Architect

Data Analytics and AI Team Lead

Join AECOM's growing Transportation Team in Ireland

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