Find Development engineer ii, transactional Jobs in Dublin, D

Level 3 Senior Network Engineer
ICON Plc —Dublin, County Dublin
- Full-time
- Azure
- AWS
- Analysis skills
4d
People Operations Administrator
Central Bank —Dublin, County Dublin
- €35,046 a year
- Hybrid work
- Microsoft Excel
- Microsoft Office
- Human resources
- Work from home
1d
Customer Assistant - White Pines (30-35 hours)
Tesco Ireland —Rathfarnham, County Dublin
- Full-time
- Employee assistance program
7d
Customer Assistant - Crumlin Express (20-25 Hours)
Tesco Ireland —DUBLIN 12, County Dublin
- Full-time
- Employee assistance program
4d
Service Operations Lead
Openmind Networks —DUBLIN 2, County Dublin
- Computer Science
- English
- Project management
Quick apply
17h
Customer Assistant - Cabinteely Express 20-25 Hours
Tesco Ireland —DUBLIN 18, County Dublin
- Full-time
- Employee assistance program
7d
Customer Assistant - Terenure (25-30 hours)
Tesco Ireland —Terenure, County Dublin
- Full-time
- Employee assistance program
20h
Associate Electrical Director: Data Centres
AECOM —Dublin, County Dublin
- Full-time
- Business development
- In-person
- Leadership
6d
Senior Systems Analyst
Sensori —Dublin, County Dublin
- €75,000–€80,000 a year
- Full-time
Quick apply
4d
Commercial Relationship Lead - Dublin
PTSB —Dublin, County Dublin
- Sales
- Business development
- Banking
Customer Delivery Driver - Finglas Clearwater
Tesco Ireland —Finglas, County Dublin
- €18.24 an hour
- Full-time
- Communication skills
- Employee assistance program
Associate - Tax
Mason Hayes & Curran LLP —Dublin, County Dublin
- Full-time
- Hybrid work
- Master's degree
- Accounting
- Accounting
Quick apply
Divisional Director – Investments
Lisney —Dublin, County Dublin
- Full-time
- Communication skills
- Negotiation
Associate - Debt Capital Markets, Structured Finance and Derivatives Group
Mason Hayes & Curran LLP —Dublin, County Dublin
- Full-time
- Hybrid work
- No degree
- Banking
Quick apply
13d
Senior Surveyor
Cushman & Wakefield —DUBLIN 2, County Dublin
- Full-time
- English
- Microsoft Office
- Business development
Quick apply
Associate Lawyer - INSOLVENCY
Arthur Cox —Dublin, County Dublin
- Full-time
- Hybrid work
- Communication skills
- Annual leave
- Gym membership
Quick apply
Manager II, Premier Support Engineering - EMEA
Datadog —Dublin, County Dublin
- No degree
- Linux
- Leadership
- Employee stock purchase plan
Quick apply
Enterprise Account Executive (EMEA)
ClickUp —Dublin, County Dublin
- Full-time
- Sales
- Project management
Category Manager
Mercury Engineering —Dublin, County Dublin
- Construction experience
Commercial Sales Manager
Cully Automation —Leixlip, County Kildare
- Business development
- Communication skills
- Negotiation
- Annual leave

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Level 3 Senior Network Engineer

ICON Plc -
Dublin, County Dublin

Apply Now

Job details

Full-time
4 days 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 jobs in dublin, d

Level 3 Senior Network Engineer

People Operations Administrator

Customer Assistant - White Pines (30-35 hours)

Customer Assistant - Crumlin Express (20-25 Hours)

Service Operations Lead

Customer Assistant - Cabinteely Express 20-25 Hours

Customer Assistant - Terenure (25-30 hours)

Associate Electrical Director: Data Centres

Senior Systems Analyst

Commercial Relationship Lead - Dublin

Customer Delivery Driver - Finglas Clearwater

Associate - Tax

Divisional Director – Investments

Associate - Debt Capital Markets, Structured Finance and Derivatives Group

Senior Surveyor

Associate Lawyer - INSOLVENCY

Manager II, Premier Support Engineering - EMEA

Enterprise Account Executive (EMEA)

Category Manager

Commercial Sales Manager

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