Find network infrastructure architect Jobs in dublin, d

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Vodafone —Dublin, County Dublin
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Technology Infrastructure Assistant Vice President

Sumitomo Mitsui Banking Corporation -
Dublin, County Dublin

Apply Now

Job details

2 days ago

Benefits

Annual leave
Private medical insurance

Qualifications

CCNP
Load balancing
CCNA
LAN
Information security
Firewall
DHCP
BGP
WAN
DNS
IT
IP networking
TCP/IP
Network engineering
Communication skills
Network security

Full job description

5 Jun 2026

Dublin, D, IE, D02 KF20

SMBC: A trusted partner for the long term

Here at SMBC Group, we want to help you find the next step in your career so read on to discover if this opportunity is the one for you. We like to recognise potential in our people, so we welcome your application even when your experience doesn’t perfectly align with the job description. Whilst we’ll always strive to be better, we’re proud of our inclusive culture, and encourage our applicants and colleagues to be their authentic, unique selves.

Who we are

United by a sense of purpose towards our customers – to be a trusted partner for the long-term – and our universal banking platform in EMEA, SMBC Group has an international growth agenda and award-winning products, meaning we provide exciting opportunities to work on a diverse range of projects and initiatives. We deliver a full suite of corporate finance products and solutions to our customers as well as investment banking and advisory services, and a range of innovative solutions in global capital markets. Read on to find out how you could enhance your skills and gain valuable experience, by joining us to support our clients transition to a sustainable future.

Role Summary

The NMG Engineer is responsible for the operation of the organisation’s Network global platforms, resolving any technical system issues and acting as the point of escalation for other teams within IT, supported by the Senior Engineers and Solution Architects. The Network Engineer will support a business-critical infrastructure comprised of a large Cisco, Check Point, Palo Alto, F5 and Network Monitoring Systems enterprise estate. The Network Engineer supports the delivery of IT projects for the organisation, under the guidance of the Senior Engineers and Network Solution Architects. Furthermore, they ensure that the expected standards and policies are applied consistently throughout the network and produce documentation with which to administer and maintain the platforms operationally. The role requires cross-team and cross-region collaboration with other technical teams as required.

The Network & Datacentre Group comprises of two sub-teams; Networks, and Datacentre teams. The Network Section is responsible for the management of the organisation’s local area, metropolitan, wide area networks (LAN, MAN and WAN), wireless networks, internet connectivity and the security of the network infrastructure. The Datacentre section is responsible for datacentres, including branch office equipment rooms across the region. The Network Engineer uses their technical skills to provide exceptional levels of network performance and reliability to the organisation, enabling the organisation to succeed. This requires a strong and broad technical skillset, covering traditional routing and switching, Software Defined Networks and network security technologies. The organisation has invested in software defined networking and the Network Engineer is expected to be proficient in the support and configuration of these solutions. The primary focus of the Network Engineer is to ensure the operational availability of all network systems, whilst working as part of a team to deploy new IT systems and initiatives for the benefit of the organisation. The Network Engineer will work in a discrete, focussed team dedicated to a specific technology area but will foster core relationships with other IT teams in both EMEA and North America.

Business Area

The Network Engineer is part of a global IT team with ~30 members. The Network team in London comprises 6 12 people at present. Typically participates in 3+ major IT projects/deployments annually. Typically delivers 3+ small IT deployments annually. Provides technical escalation for IT systems situated throughout 6 enterprise class datacentres and multiple branch sites across EMEA and North America. 5000+ client endpoints. 3000+ Servers. No direct reports. No budget responsibility.

Position Description

Maintain, monitor and operate the network environment in line with SMBC policies and procedures. Support the network related work streams of projects and ensure that project deliverables are executed in a timely fashion. Monitor and help to operate the network ensuring that issues are logged and escalated to the next level of technical support or escalated to management where required. Provide technical support to the other departments within IT, on Network related matters and BAU issues.

Proactively monitor and enhance the Network and Datacentre environment by ensuring alerts generated by the system are managed and progressed. Ensuring that the Network environment is enrolled in the appropriate capacity management reporting systems in order to provide accurate system utilisation data. Assisting the Architecture Team with managing the environment's hardware and software life-cycles, ensuring that the organisation’s systems do not become affected by end-of-life or end-of-support milestones. Ensuring all technical documentation is maintained to an appropriate level and reflects the as-installed environment. Integrate automated processes where relevant and appropriate. Managing and developing collaborative relationships with other groups within the IT division, locally and globally. Act as a point of escalation for out-of-hours issues. Mentor junior members of the team. Undertaking other reasonable tasks at the discretion of the Network and Datacentre Lead and head of the section.

Preparedness to work unsociable hours and weekends and be contactable when away from the office. This includes participation in an on-call rota. Undertake visits to Datacentre locations in order to support underlying technologies. Ongoing development of technical skills pertinent to role. Adhere to the policies and procedures of the organisation. Occasional international travel may be required.

Knowledge

Good understanding of TCP/IP Networking Good knowledge of IP routing (Static and dynamic) especially BGP routing Good knowledge of L2 technologies (STP, LACP, LLDP, etc.) Knowledge of IPv4 and IPv6 addressing. A good understanding of network security concepts and how these can be applied to network infrastructure. Knowledge of firewall operation, configuration and deployment Knowledge of network infrastructure protocols (DNS, DHCP, etc.) Any knowledge of cloud connectivity would be an advantage. Knowledge of software defined networking concepts Excellent communication skills especially the ability to communicate with non-IT staff within the bank. In addition to the above, clear evidence of a passion for technology. A willingness and track record of learning new technologies.

Skills

Extensive experience of the configuration of network equipment (preferably Cisco). Significant experience of troubleshooting issues on large network environments. Configuration and management of complex Firewall environments. A record of working on large Network related projects.

Experience and Qualifications

Extensive experience of working with Cisco networking technologies and solutions Cisco Certifications, CCNA or CCNP Any experience of Cisco ACI would be beneficial. Any experience of Cisco SD-Access would be beneficial. Experience of Checkpoint Firewalls. Checkpoint certifications, CCSA Experience of Palo Alto Firewalls Understanding of F5 Load Balancers or experience with other Load Balancing solutions. Infoblox experience Experience of working with Forescout or an alternative Network Access Control product ITIL Foundation Experience of working with IT Security teams to deliver Security related projects

Competencies

Customer Focus

Driving Change

Driving Results

Embraces Diversity

Enterprise Leadership

Judgement and Decision Making

Risk Management

Strategic and Visionary

Trust and Integrity

What we offer

For all the expertise and experience you bring to help us make a difference, it’s only sustainable if we support you to build your career and be your best self so we offer competitive company benefits, centred around promoting positive well-bring and work-life balance. We also believe in fostering a diverse and inclusive work environment, where all team members perspectives and contributions are valued. Initiatives in place which promote a diverse and inclusive culture and healthy work life balance include hybrid working, Sport & Social Clubs and Diversity and Inclusion networks.

As an employee of SMBC you have access to a host of both useful and exciting benefit offerings. See below some of the benefits on offer to you:

Hybrid and flexible working
Competitive paid leave days
Benefits to support your physical wellbeing, including private medical insurance and life and invalidity insurance
Various policies to support your mental wellbeing, including a robust behavioural health network with counselling and coaching services
Access a wide range of learning and development opportunities and career progression opportunities
Ambitious remuneration package

So, if you like a challenge and want to continuously grow and develop in a role where you will be supported along the way by a dynamic and diverse team, apply today!!

We recognise our role as a bank to support social change and welcome all applications, including those from groups often under-represented in financial services. We value the uniqueness of professional and personal, backgrounds and perspectives as they play a vital role in continuing the sustainable growth of our organisation. We’ll ensure reasonable adjustments to our recruitment process are offered due to a disability or long-term condition whenever requested.

About SMBC

A trusted partner for the long term
United by a sense of purpose towards our customers - to be a trusted partner for the long-term - and our universal banking platform in EMEA, we deliver a full suite of corporate finance products and solutions to our customers, including corporate, structured and trade finance, leveraged finance, loan market and treasury products. We can also provide investment banking and advisory services and a range of innovative solutions in global capital markets.
about what we do and who we are at https://www.smbcgroup.com/emea/careers

Apply Now

Refine Your Search

network infrastructure architect jobs in dublin, d

Technology Infrastructure Assistant Vice President

Enterprise Architect

Cloud Solution Architect (Contact Center / Voice specialization)

IP Engineer - Telcos

Sr Cybersecurity Engineer

Cloud Security Architect

Lead Site Reliability Engineer

Ecology Graduate - Dublin, IRE - June 2026 start onwards

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Detection Engineer

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Security Solutions Architect

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