Job Title: Senior Network Engineer
Location: Belfast
Hybrid - 3 days onsite per week - Mon, Wed & Thurs, remainder remote.
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:
o Cisco Certified Network Professional (CCNP)
o Cisco Certified Security Professional (CCSP)
o Fortinet certifications (FCA, FCP, FCCS, FCX)
* Proven capability in the following areas:
o LAN/WAN/Wi-Fi networking
o Cisco SDA, SNA, ISE, DNAC, ACI
o Fortinet FortiGate, FortiSwitch, FortiWireless, FortiSASE
o Network and perimeter security: Firewalls, IPS, SASE, ZTNA, UTM/UTP
o MPLS, L2VPNs, Internet access technologies
o 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:
o Cisco ENWLSD/ENWLSI
o Fortinet Expert/Professional Accreditation
* Experience with:
o SD-WAN, SD-Access
o Scripting and automation (e.g., Python, Ansible)
o Public cloud platforms (Azure, AWS, GCP)
o 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.
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