Senior Network Engineer

IntaPeople; United Kingdom; Hybrid; GBP 51,000 - 56,000; Full time

Job summary

A growing IT company in Cardiff is seeking a Senior Network Engineer to manage and develop diverse network technologies. This hands-on role involves leading projects, mentoring junior engineers, and ensuring the maintenance of secure networks. The ideal candidate will have strong experience with Cisco and Palo Alto technologies and will thrive in a fast-paced environment. This role offers a competitive salary, hybrid working, and opportunities for professional growth.

Qualifications

• Strong background in enterprise networking and cloud infrastructure.
• 3rd line support experience within a large-scale IT environment.
• Proven experience managing critical incidents or tight project deadlines.

Responsibilities

• Supporting, maintaining, and optimising network infrastructure.
• Leading and delivering network projects end-to-end.
• Monitoring and resolving network incidents.

Skills

Network optimization

Project delivery

Problem-solving

Relationship management

Education

Cisco CCNP certification (or equivalent)

Tools

Cisco

Palo Alto

ZScaler

Microsoft Azure

Ansible

Job description

Senior Network Engineer

Location: Cardiff 2-3 days p/week onsite (hybrid role)

Salary: £51-56k + annual cost‑of‑living increase + standby allowance

Contract: Permanent

The Role

We re looking for an experienced Senior Technical Analyst to join a growing IT team, managing and developing a wide range of network technologies across multiple vendors including Cisco, Palo Alto, ZScaler, Vodafone, and Microsoft.

You ll work on a mix of project delivery and day‑to‑day support, playing a key role in designing, implementing, and maintaining secure, high‑performing network solutions. It s a hands‑on role, but with the added responsibility of leading projects, mentoring junior engineers, and helping shape the future of the network infrastructure.

What You ll Be Doing

• Supporting, maintaining, and optimising network infrastructure across multiple platforms
• Leading and delivering network projects end‑to‑end
• Developing automation scripts to improve efficiency and consistency
• Monitoring and resolving network incidents to ensure minimal disruption
• Working closely with architects and security teams to strengthen the network
• Managing vendor relationships and collaborating with internal stakeholders
• Maintaining up‑to‑date documentation and following ITIL‑based processes
• Participating in a 24/7 support rota

Tech Stack You ll Work With

• LAN / WAN / SD‑WAN
• Wireless networks
• Cisco routing, switching and security solutions
• Palo Alto firewalls
• ZScaler Cloud Services
• Microsoft Azure
• AAA technologies
• Network monitoring (SNMP, SolarWinds)
• Automation (Ansible / DevOps tools)

What You ll Bring

• Cisco CCNP (or equivalent) certification
• Strong background in enterprise networking and cloud infrastructure
• 3rd line support experience within a large‑scale IT environment
• Excellent problem‑solving and relationship management skills
• Proven experience with Cisco, Palo Alto, SD‑WAN, ZScaler, and automation tools
• A solid understanding of ITIL practices
• Calm under pressure and confident managing critical incidents or tight project deadlines

This is a great opportunity for someone who enjoys taking ownership, leading by example, and working with the latest network technologies in a fast‑moving environment.

If you re looking to take that next step in your networking career, please apply now. For more details, thanks!