Senior Network Engineer - #1764441

Job Title: Senior Network Engineer

Location: Belfast

Hybrid - 2 days onsite per week, remainder remote. (Will on occassion involve client visits in the NI region.)

Business Area: Network & Infrastructure Services

Reporting to: Operations Manager

Type: Full-time Perm

Salary - 55 - 60k £ neg. on experience.

Candidates must possess full working rights as sponsorship is not offered for this position.

Benefits:

Car Allowance

Health Allowance

Annual Bonus (performance based discretionary - up to 10%)

Annual Leave 22 Days + NI Public Holidays

Overview:

Our client is seeking a highly skilled and motivated Senior Network Engineer to play a leading role in delivering, supporting, and enhancing enterprise network solutions for a diverse customer base. This role is instrumental in ensuring outstanding technical service, innovative solution design, and strategic input into network infrastructure projects.

As a trusted subject matter expert, the Senior Network Engineer will oversee the full solution lifecycle, from design and implementation to ongoing support, while mentoring junior team members and driving a culture of excellence and continuous improvement.

Key Responsibilities:

• Act as a trusted advisor and subject matter expert across a portfolio of enterprise and government clients.


• Design, build, and support complex network and security solutions, aligned with customer requirements and industry best practices.


• Provide technical leadership during project delivery and change implementations, including documentation, test planning, and change control compliance.


• Optimise and maintain critical LAN, WAN, WLAN, and data centre network services.


• Implement and validate robust security configurations and ensure solutions meet industry standards and compliance requirements.


• Collaborate cross-functionally with internal teams, partners, and vendors on solution development and emerging technologies.


• Support 24x7 service operations through participation in on-call rotations and effective incident management.


• Produce high-quality design, operational, and technical documentation.


• Contribute to internal tooling, process improvements, and service innovation initiatives.


• Maintain current technical certifications and industry knowledge.


• Support customer engagement efforts with clear communication and relationship-building.

Essential Skills & Experience:

• 5+ years’ experience in a Senior Network Engineer role OR 8+ years as a Network Engineer in enterprise or government environments.


• Strong practical experience or valid certification in:


• Cisco Certified Network Professional (CCNP)


• Cisco Certified Security Professional (CCSP)


• Fortinet certifications (FCA, FCP, FCCS, FCX)


• Proven capability in the following areas:


• LAN/WAN/Wi-Fi networking


• Cisco SDA, SNA, ISE, DNAC, ACI


• Fortinet FortiGate, FortiSwitch, FortiWireless, FortiSASE


• Network and perimeter security: Firewalls, IPS, SASE, ZTNA, UTM/UTP


• MPLS, L2VPNs, Internet access technologies


• Data Centre switching and campus design


• Experience working in complex, enterprise-grade IP environments.


• High level of proficiency with Microsoft Office tools, including Excel, Word, Visio, and PowerPoint.


• Strong verbal and written communication skills, with an ability to influence stakeholders.


• Commercial awareness and a solution-oriented mindset.


• Ability to work independently and within a team structure.

Desirable Skills:

• Additional certifications such as:


• Cisco ENWLSD/ENWLSI


• Fortinet Expert/Professional Accreditation


• Experience with:


• SD-WAN, SD-Access


• Scripting and automation (e.g., Python, Ansible)


• Public cloud platforms (Azure, AWS, GCP)


• Carrier-grade network monitoring and management tools

Key Competencies & Indicators:

Technical & Business:

• Strong technical expertise and design quality


• Innovation and adaptability to change


• Focus on delivering exceptional results and customer value

Customer & People:

• Trusted relationships and customer focus


• Team collaboration and interpersonal effectiveness


• Clear communication and knowledge sharing

This role offers an exciting opportunity to shape and support enterprise-grade infrastructure for a technology-forward organisation. If you’re passionate about networking, innovation, and delivering real-world impact, we want to hear from you.