Network Engineer

Certes Computing Ltd; Stratford-upon-Avon; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading technology firm in the UK is looking for a Network Engineer to design, implement, and maintain enterprise network infrastructure. The role demands strong experience in Cisco, Azure, and AWS, along with a profound understanding of network architecture and compliance requirements. Successful candidates will possess excellent problem-solving abilities and communication skills, able to work autonomously on complex tasks. The role entails participation in an on-call rota and may require regular travel within the operating region.

Qualifications

• Strong hands-on experience with Cisco networking, Azure, AWS, and other relevant tools.
• In-depth knowledge of SD-WAN, VLANs, and routing.
• Experience in designing network infrastructure for large organizations.
• Understanding network monitoring and operational service delivery.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure.
• Provide network subject matter expertise on complex configurations.
• Lead design and documentation of new network solutions.
• Ensure compliance with industry standards and regulatory requirements.
• Drive continuous improvement in network architecture.

Skills

Analytical and problem-solving capability

Stakeholder communication skills

Ability to influence and guide others

Commercial awareness

Confidence in complex technical issues

Tools

Cisco networking

Azure

AWS

Zscaler

SolarWinds

Microsoft Sentinel

Avaya telephony

Job description

Network Engineer

Role Overview

The Network Engineer sits within the Strategy and Architecture function of Digital Services and is responsible for the design, build, operation, and continuous improvement of enterprise network infrastructure across physical and virtual environments.

The role provides technical leadership and subject matter expertise, ensuring resilient, secure, and scalable network services aligned to business needs and digital strategy. The post holder will actively drive innovation, challenge existing approaches, and support both internally delivered and third-party services.

Key Responsibilities

• Design, implement, support, and maintain enterprise network infrastructure.

• Act as a network subject matter expert, working autonomously on complex network configuration, security, and infrastructure tasks.

• Lead and assure the design and documentation of new network solutions.

• Ensure compliance with relevant industry standards, security, and regulatory requirements.

• Translate business requirements into technical designs, undertaking analysis and recommending options.

• Drive continuous improvement and innovation within network architecture and infrastructure services.

• Identify risks, undertake impact analysis, and define mitigation strategies.

• Provide quality assurance for changes to existing network services.

• Build and maintain effective relationships with managed service providers and key suppliers.

Essential Knowledge & Experience

• Strong hands‑on experience with Cisco networking, Azure, AWS, Zscaler, SolarWinds, Microsoft Sentinel, and Avaya telephony.

• In-depth knowledge of SD-WAN, VLANs, Azure vWAN, and static and dynamic routing.

• Experience supporting and designing network infrastructure in large, complex organisations.

• Strong understanding of network monitoring, supplier management, and operational service delivery.

• Experience producing technical design documentation and service artefacts.

• Knowledge of ITSM/ISO 20000 and industry best practice.

Key Skills

• Strong analytical and problem‑solving capability.

• Excellent stakeholder and supplier communication skills.

• Ability to influence, guide others, and drive technical change.

• Commercially aware with a focus on service quality versus cost.

• Confident working independently on complex technical issues.

Additional Information

• Participation in an on‑call rota

• Regular travel within the operating region

• Security clearance required (or ability to obtain)