Network Engineer

RiskPod; Greater London; Hybrid; GBP 55,000 - 80,000; Full time

Job summary

A leading technology firm in Greater London is seeking a skilled Network Engineer to design and maintain robust network infrastructure. This role involves working with Cisco campus switches and firewall solutions while ensuring optimal performance and security across LAN/WAN systems. Candidates should have over 5 years of experience, relevant networking certifications, and excellent problem-solving skills. The position offers a competitive salary and a hybrid working model, combining office and remote work.

Qualifications

• Proven experience in managing network infrastructure including Cisco products.
• Strong understanding of Layer 2/Layer 3 and routing protocols such as OSPF.
• Experience with network security solutions and troubleshooting.

Responsibilities

• Design, implement, and manage network infrastructure.
• Configure and maintain firewall solutions for secure access.
• Monitor network performance and troubleshoot issues.
• Develop and enforce network security policies and documentation.
• Collaborate with IT and security teams on risk mitigation.
• Support infrastructure changes and project work.
• Liaise with third-party MSPs to resolve complex network issues.
• Stay current with emerging network technologies and regs (SRA Standards).

Skills

Core networking fundamentals

Cisco networking products

Network security experience

Troubleshooting and performance tuning

ISE AAA 802.1X

Troubleshooting

Network security

Education

Relevant certifications (Cisco CCNP, Azure, ITIL)

5+ years’ experience in network engineering

ITIL

Tools

Cisco Catalyst switches

Palo Alto firewalls

Cisco ISE

FortiGate Firewall

Palo Alto Prisma Access

Job description

As a Network Engineer, you will design, maintain, secure and optimise network infrastructure to support the firm’s IT environment, ensuring high performance, security, and resilience across LAN/WAN and cloud systems.

Key Responsibilities:

• Design, implement, and manage network infrastructure using Cisco campus switches (e.g., Catalyst 9300) and Nexus series.
• Configure and maintain firewall solutions, including Palo Alto Prisma Access for secure access and FortiGate firewalls for threat management.
• Monitor network performance, proactively diagnose and troubleshoot issues to maintain service levels.
• Develop and enforce network security policies, procedures, and documentation.
• Collaborate with IT and security teams to assess risks and implement mitigation strategies.
• Support infrastructure changes and project work (e.g., office moves, configuration changes).
• Work with third‑party managed service providers to elevate and resolve complex network issues as needed.
• Stay current with emerging network technologies and best practices.
• Ensure compliance with legal and regulatory obligations (including SRA Standards & Regulations).

Required Skills & Experience: Technical:

• Strong understanding of core networking fundamentals (Layer 2/Layer 3, routing protocols such as OSPF and BGP).
• Proven experience with Cisco networking products (Catalyst, Nexus).
• Network security experience, including Palo Alto firewall administration (Prisma Access) and SD‑WAN familiarity.
• Experience with Cisco ISE for authentication/authorization (AAA, RADIUS, TACACS+, 802.1X) and wireless controller support.
• Troubleshooting and performance tuning in enterprise network environments.

Qualifications:

• 5+ years’ experience in network engineering or related roles.
• Relevant certifications (Cisco (CCNP), Azure, ITIL) highly desirable.
• Knowledge of cloud networking (e.g., Microsoft Azure stack).

Person Specification (Soft Skills):

• Logical and analytical problem‑solver with attention to detail.
• Works well under pressure and manages workload effectively.
• Strong communication skills—able to explain technical issues clearly to both technical and non‑technical stakeholders.
• Self‑starter with a proactive approach to learning and improvement.
• Hybrid working model — a mix of office and remote work depending on role needs and manager approval.
• Competitive salary based on experience and responsibilities.