Find Development engineer ii, transactional data Jobs in Dublin, D

Level 3 Senior Network Engineer
ICON Plc —Dublin, County Dublin
- Full-time
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Associate TSE II
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- Master's degree
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Shinka —Dublin, County Dublin
- €55,000 a year
- Full-time
- Hybrid work
- Sales
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- Work from home
Quick apply
1d
Manager, FX & Treasury Risk
Xerox —Dublin, County Dublin
- Full-time
- Management
- Finance
- Master's degree
3d
Database Migration Engineer III
Guidewire Software —Dublin, County Dublin
- Weekend availability
- Azure
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- English
Graduate Marketing Technology Analyst
Colgate-Palmolive —Dublin, County Dublin
- €36,000–€37,000 a year
- Computer Science
- Engineering
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3d
Regional Environmental Engineer, Environmental
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- Master's degree
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- Bachelor's degree
Inventory Planning Manager
Siemens Healthineers —Dublin, County Dublin
- Full-time
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Bentley Systems —DUBLIN 2, County Dublin
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ClickUp —Dublin, County Dublin
- Full-time
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Senior Manager, Operations Supply Planner
Bristol-Myers Squibb —Dublin, County Dublin
- Full-time
- Microsoft Excel
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Insurance & Deposit Advisor
PTSB —Blackrock, County Dublin
Executive Assistant - fixed term contract
PwC —Dublin, County Dublin
- Full-time
- Microsoft Powerpoint
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Director of Repeat Revenue (Non-subscription models)
Holafly —Dublin, County Dublin
- Remote
- SQL
- Leadership
- Marketing
Procurement Category Manager
Fenergo —Dublin, County Dublin
- Hybrid work
- AI
- Negotiation
- Annual leave
- Work from home
Quick apply
Software Engineer 3
MongoDB —Dublin, County Dublin
- Remote
- Azure
- Doctoral degree
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1d
Optical NDE II, Optical Long Haul Network Deployment
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
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- Bachelor's degree
Finance Business Partner
RWS Group —Dublin, County Dublin
- Full-time
- Microsoft Excel
- ERP systems
- English
Category Manager
Mercury Engineering —Dublin, County Dublin
- Construction experience

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Level 3 Senior Network Engineer

ICON Plc -
Dublin, County Dublin

Apply Now

Job details

Full-time
9 hours ago

Qualifications

Azure
Ansible
Load balancing
OSPF
Firewall
AWS
Analysis skills
BGP
WAN
DNS
Solarwinds
Business requirements
Communication skills
Python
Network security
VPN

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.

Role Summary

The Level 3 Senior Network Engineer (Principal Engineer II) serves as the highest technical escalation point within the Global Network Operations team. This role is responsible for providing technical leadership, resolving complex network issues, supporting global infrastructure projects, and ensuring the stability, security, and availability of the enterprise network.

The ideal candidate should have 10+ years of hands-on enterprise networking experience, with strong expertise in Cisco ACI, Fortinet Firewalls, NetScaler/F5 Load Balancers, SD-WAN technologies (preferably CATO), enterprise routing and switching, and cloud networking. The role requires a strong balance of technical expertise, operational excellence, and project delivery within a global enterprise environment.

This is an Office Hybrid role requiring 60% office attendance in our HQ in Leopardstown, Dublin 18.

Key Responsibilities

1. Technical Leadership & Escalation

Act as the highest technical escalation point for critical network incidents and complex infrastructure issues.

Lead troubleshooting across multi-vendor enterprise network environments.

Perform root cause analysis (RCA) for major incidents and implement permanent corrective actions.

Provide technical guidance and mentorship to Level 1 and Level 2 engineers.

Participate in Major Incident Management (MIM) calls and lead technical recovery efforts.

2. Network Operations

Ensure the availability, stability, and performance of the global network infrastructure.

Support BAU operations involving routing, switching, firewalls, SD-WAN, load balancers, VPNs, DNS, and cloud networking.

Identify recurring operational issues and implement proactive improvements to reduce incidents.

Perform advanced troubleshooting across on-premises and cloud network environments.

3. Infrastructure & Project Delivery

Lead network implementation activities for global infrastructure projects.

Design, review, and implement network solutions in accordance with enterprise standards.

Support datacenter migrations, office deployments, cloud connectivity, and technology refresh initiatives.

Review implementation plans and provide technical approval for high-risk network changes.

Support mergers, acquisitions, and global expansion initiatives from a networking perspective.

4. Enterprise Network Technologies

Provide technical ownership, administration, and support for:

Cisco Core Networking (including ACI)

Cisco Meraki and Cisco ISE

Fortinet Firewalls

NetScaler/F5 Load Balancers

SASE platforms (CATO preferred)

BGP, OSPF, and enterprise routing

Network segmentation and micro-segmentation

Azure and AWS networking

Ability to automate Network tasks using scripts such as Ansible, Python, Power shell

Network performance analysis and packet capture (Wireshark/TCPDump)

Network monitoring platforms such as ThousandEyes, SolarWinds, Site24x7, or equivalent

5. Security & Compliance

Ensure network infrastructure complies with enterprise security standards and industry best practices.

Review and approve firewall policies, NAT rules, VPN configurations, and network segmentation.

Support vulnerability remediation activities and security audits.

Work closely with Cyber Security teams during incident investigations.

Implement secure network designs for new business requirements.

Skills & Qualifications

Experience

Minimum 10+ years of enterprise networking experience.

Strong experience supporting large-scale global network environments.

Experience working in 24x7 operations supporting mission-critical infrastructure.

Proven experience leading major incident resolution and infrastructure projects.

Soft Skills

Strong analytical and problem-solving skills.

Ability to lead technical discussions and major incident calls.

Excellent communication and stakeholder management skills.

Ability to manage multiple priorities in a fast-paced global environment.

Strong documentation and presentation skills.

Self-motivated with the ability to work independently and mentor junior engineers.

Preferred Certifications

CCNP Enterprise or CCIE

Fortinet NSE 7/NSE 8 or FCSS Network Security

Citrix NetScaler Certification

CATO Certified Professional

AWS or Azure Networking Certification

ITIL Foundation

Any two of the above certifications will be considered an advantage.

#LI-MK2

#LI-Hybrid

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

development engineer ii, transactional data jobs in dublin, d

Level 3 Senior Network Engineer

Associate TSE II

Data Architect, Charles River Development, Vice President

Account Executive

Manager, FX & Treasury Risk

Database Migration Engineer III

Graduate Marketing Technology Analyst

Regional Environmental Engineer, Environmental

Inventory Planning Manager

Procurement Operations & Efficiency Manager

Enterprise Account Executive (EMEA)

Senior Manager, Operations Supply Planner

Insurance & Deposit Advisor

Executive Assistant - fixed term contract

Director of Repeat Revenue (Non-subscription models)

Procurement Category Manager

Software Engineer 3

Optical NDE II, Optical Long Haul Network Deployment

Finance Business Partner

Category Manager

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