Senior Network Engineer

Senior Network Engineer

Location: Craigavon
Contract Type: Contract, 6+ months

A leading UK-based technology services organisation is seeking an experienced Senior Network Engineer to play a critical role in the delivery, design, and support of enterprise-grade network and security solutions for thier public sector client. This Senior Network Engineer position offers the opportunity to operate as a trusted technical authority while influencing service quality, solution design, and continuous improvement initiatives.

As a Senior Network Engineer
, you will function as a subject matter expert, combining deep technical expertise with strong customer engagement skills to ensure successful outcomes and long-term client satisfaction.

The Senior Network Engineer will take a lead role in the implementation, optimisation, and ongoing support of complex network and security environments. You will mentor colleagues, contribute to best practices, and help shape technical standards while working closely with customers, vendors, and internal stakeholders.

This Senior Network Engineer role requires strong hands‑on experience across enterprise networking, security, and modern software‑defined technologies, along with a passion for continuous learning and emerging solutions.

• Act as a trusted technical advisor and Senior Network Engineer for enterprise customers
• Design, implement, and support secure, resilient network solutions
• Operate as a subject matter expert, reviewing and improving solution designs
• Lead complex network and security implementations, including testing and change control
• Deliver LAN, WAN, WLAN, data centre, and security solutions aligned to best practices
• Ensure compliance with relevant security standards and regulations
• Produce high‑quality technical and design documentation
• Collaborate with vendors and partners on emerging technologies
• Participate in a 24x7 on‑call rota
• Contribute to innovation, service improvement, and knowledge sharing across the team

• Proven experience as a Senior Network Engineer or equivalent enterprise role
• CCNP‑level networking expertise (certification or demonstrable experience)
• CCSP‑level security knowledge (certification or demonstrable experience)
• Strong experience with Cisco technologies: LAN, WAN, WLAN, SDA, SD‑WAN, ISE, DNAC, ACI
• Experience with Fortinet technologies:
  Forti Gate, Forti Switch, Forti Wireless, FortiSASE
• WAN technologies including MPLS, Internet, L2
  
  VPNs, and access technologies
• Cyber security solutions: firewalls, IPS, UTM/UTP, SASE, ZTNA, cloud security
• Enterprise customer‑facing experience (commercial, public sector, or government)
• Strong documentation skills using Visio, Word, and Excel
• Excellent communication and stakeholder management skills

• Advanced Cisco or Fortinet certifications
• Software‑defined networking (SD‑WAN, SDA)
• Scripting and automation (Python, Ansible)
• Public cloud platforms (Azure, AWS, GCP)
• Experience in managed services or support environments

If this role sounds interesting to you, click apply to share your CV or get in touch with VANRATH for a confidential chat.