Network Engineer

Certes IT Service Solutions; Lighthorne; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading IT services provider located in Lighthorne seeks a Network Engineer responsible for designing and maintaining enterprise network infrastructure. The ideal candidate will have strong hands-on experience with Cisco networking, AWS, Azure, and knowledge of SD-WAN. Responsibilities include ensuring compliance with industry standards, driving innovation, and supporting network services. Participation in an on-call rota and security clearance may be required. Competitive remuneration and professional growth opportunities are offered.

Responsibilities

• Design, implement, support, and maintain enterprise network infrastructure.
• Act as a network subject matter expert on complex network configuration.
• Ensure compliance with industry standards, security, and regulatory requirements.
• Translate business requirements into technical designs, recommending options.
• Drive continuous improvement within network architecture.
• Build and maintain relationships with managed service providers.

Skills

Cisco networking

Azure

AWS

Zscaler

SolarWinds

Microsoft Sentinel

Avaya telephony

SD-WAN

VLANs

Azure vWAN

static and dynamic routing

network monitoring

supplier management

operational service delivery

technical design documentation

Job description

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.

Network Engineer - 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
• Avaya telephony
• In‑depth knowledge of
• SD‑WAN
• VLANs
• Azure vWAN
• static and dynamic routing
• Experience supporting and designing network infrastructure in large, complex organisations.
• Strong understanding of
• network monitoring
• supplier management
• 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.

The Network Engineer must be prepared to do the below :

Participation in an on‑call rota

Regular travel within the operating region

Security clearance required (or ability to obtain)

TPBN1_UKTJ