Find Microsoft infrastructure engineer Jobs in Dublin, D

Senior Network Engineer
Diacom Computer and Telephony Limited —Park West, County Dublin
- €45,000–€70,000 a year
- Overtime
- Hybrid work
- Azure
- Windows
- Analysis skills
Quick apply
Software Engineer 3
MongoDB —Dublin, County Dublin
- On call
- Hybrid work
- Azure
- Java
- AWS
Test Support Engineer (Maternity Cover)
Cubic³ —Dublin, County Dublin
- Remote
- Azure
- Computer Science
- SQL
Reporting Manager
AECOM —Dublin, County Dublin
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Systems Engineer - Controls Fleet, Data Center Capacity Delivery, Controls Fleet
Amazon Web Services EMEA SARL (Irish Branch) —Dublin, County Dublin
- Full-time
- Microsoft Word
- Microsoft Excel
- Windows
Product Lifecycle Mechanical Engineer, Data Center Mechanical Solutions
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
Inventory Controller
CEL - Critical Power —Dublin, County Dublin
- Full-time
- Microsoft Excel
- Inventory control
- Maths
Quick apply
12d
Technical Support Specialist
Carl Stuart Group —Dublin, County Dublin
- €38,000–€40,000 a year
- Hybrid work
- Sales
- Customer service
- Microsoft Office
- Work from home
- Employee assistance program
Quick apply
11d
Information Security Engineer
Grouper —Dublin, County Dublin
- Full-time
- Remote
- Azure
- Computer Science
- Windows
Quick apply
Senior Engineer
Sisk —Dublin, County Dublin
- Full-time
- Microsoft Office
- Bachelor's degree
- Communication skills
- Annual leave
Information Security Technical Support
Tate Europe —Dublin, County Dublin
- Full-time
- Azure
- Customer service
- Windows
Quick apply
Structures Agent
Wills Bros Limited —Dublin Airport, County Dublin
- Full-time
- Civil engineering
- Microsoft Office
- Bachelor's degree
- Annual leave
- Employee assistance program
Quick apply
3d
Senior Cloud Engineer
Sumitomo Mitsui Banking Corporation —Dublin, County Dublin
- €72,000–€134,000 a year
- Azure
- AWS
- Scripting
Platform Engineer
Sitecore —Dublin, County Dublin
- Full-time
- Azure
- DevOps
- AWS
Data Center Facility Engineering Technician (Non-Shift), Data Center Engineering Operations
Amazon Data Services Ireland Limited - A65 —Dublin, County Dublin
- Full-time
- Engineering
- Microsoft Office
- AWS
Associate Systems Administrator
CarGurus —Dublin, County Dublin
- €38,000–€48,000 a year
- On call
- Communication skills
Senior Site Reliability (R-19383)
Dun & Bradstreet —Dublin, County Dublin
- Full-time
- Hybrid work
- Computer Science
- English
- Microsoft Office
Quick apply
4d
Engineering Technician (Shifts) - Electrical, Data Cetner Engineering Operations
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- Maintenance
- Microsoft Office
- AWS
Mechanical Design Engineer, Data Centre Engineering
Amazon Web Services EMEA SARL (Irish Branch) —Dublin, County Dublin
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
12d
Cloud Platform Engineer
Grouper —Dublin, County Dublin
- Full-time
- Remote
- Azure
- Java
- AWS
Quick apply

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Senior Network Engineer

Diacom Computer and Telephony Limited
Park West, County Dublin

Quick apply

Job details

€45,000–€70,000 a year

Qualifications

Azure
Operating systems
Windows
Analysis skills
Mentoring
Telecommunication
Account management
Leadership
Communication skills

Full job description

About Us

Diacom is a rapidly growing Managed IT Service Provider, delivering enterprise-grade IT solutions across networking, managed IT services, and voice telecommunications. Our tech stack includes HPE Aruba & Fortinet networking, Microsoft Windows, Microsoft Azure, and Microsoft 365, and an industry-leading cybersecurity platform in the MSP IT space. Our growth means we need specialists who can maintain the rapid response times our clients depend on. You’ll be joining a team that values curiosity, has autonomy, and demands technical excellence.

The Role

The Senior Networks Engineer (L2) supports the delivery of Diacom’s networking projects, solutions, and services across new and existing customer environments. The role is responsible for the configuration, deployment, maintenance, and troubleshooting of network infrastructure, while ensuring continuity of service, customer satisfaction, and ongoing revenue for the networks vertical of the business. The position also contributes to the development of new service lines, supports the helpdesk with escalations, and maintains high-quality documentation and technical standards.

What You'll Do

Lead the design and deployment of enterprise-grade network solutions for new and existing customer environments.

Provide expert guidance on network strategy, capacity planning, segmentation, scalability, and security design.

Oversee the maintenance, performance, and reliability of customer network infrastructure, including firewalls, switches, wireless access points, and supporting systems.

Ensure best-practice configuration, deployment, and lifecycle management of:

o Switching platforms (HPE Aruba, Fortinet)

o Wireless solutions (HPE Aruba, Fortinet)

o Firewalls (Fortinet/FortiGate, Palo Alto)

o NAC/AAA platforms (Aruba ClearPass)

Plan, coordinate, and execute scheduled firmware upgrades, maintenance windows, and infrastructure refresh activities.

Act as the senior escalation point for complex and high-impact network incidents from the Diacom Helpdesk and TAC teams.

Lead root-cause analysis (RCA), remediation planning, and implementation of long-term resolution strategies.

Produce detailed reports for internal and external stakeholders covering network health, performance trends, and incident outcomes.

Collaborate with VoIP, Managed Services, and Cybersecurity teams on cross-functional projects and integrated solutions.

Provide technical input and subject-matter expertise to sales and account management teams, including solution design and pre-sales activities.

Provide technical leadership, mentoring, and knowledge-sharing to junior network engineers.

Contribute to internal technical training, standards development, and process improvement initiatives.

Participate in the after-hours support roster for critical infrastructure and customer-impacting events.

Provide availability for overtime during major project deployments or urgent customer requirements as required.

What We're Looking For

Exposure to/or experience with enterprise networking technologies (Aruba, Fortinet, Palo Alto).

Full Driver’s License

Strong troubleshooting and diagnostic skills across wired and wireless networks.

Understanding of NAC principles and AAA frameworks.

Familiarity with network monitoring tools.

Strong communication and customer service orientation.

Ability to produce accurate technical documentation.

Nice to Have

Basic understanding of networking concepts, operating systems, and common security controls

Strong analytical, troubleshooting, and communication skills

Ability to work effectively in a team environment and follow established procedures

Quick apply

Refine Your Search

microsoft infrastructure engineer jobs in dublin, d

Senior Network Engineer

Software Engineer 3

Test Support Engineer (Maternity Cover)

Reporting Manager

Systems Engineer - Controls Fleet, Data Center Capacity Delivery, Controls Fleet

Product Lifecycle Mechanical Engineer, Data Center Mechanical Solutions

Inventory Controller

Technical Support Specialist

Information Security Engineer

Senior Engineer

Information Security Technical Support

Structures Agent

Senior Cloud Engineer

Platform Engineer

Data Center Facility Engineering Technician (Non-Shift), Data Center Engineering Operations

Associate Systems Administrator

Senior Site Reliability (R-19383)

Engineering Technician (Shifts) - Electrical, Data Cetner Engineering Operations

Mechanical Design Engineer, Data Centre Engineering

Cloud Platform Engineer

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