Senior Network Engineer

Penta Consulting Ltd; London Borough of Hounslow; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Penta Consulting Ltd in Feltham, United Kingdom, is seeking a Senior Network Engineer to support enterprise networking, datacentre, cloud, and security projects. You will work with architects and customer stakeholders on solution design, implementation, and lifecycle management across complex environments.

The role emphasizes automation, documentation, and hands-on delivery, with exposure to Cisco, VMware, Azure AD, Kubernetes, and automation tools such as Ansible and PowerShell.

Qualifications

• Bachelor's degree in ICT, Computer Science, Engineering or equivalent.
• Experience with enterprise networking and infrastructure environments.
• Knowledge of Cisco Networking & Security technologies (ACI, Firewalls, VPNs).
• Experience with VMware vSphere, Windows and Linux Server environments.
• Experience with Azure Active Directory, Kubernetes and Rancher.
• Proficiency in PowerShell and Ansible; understanding of automation concepts.
• Knowledge of security hardening and compliance frameworks.

Responsibilities

• Support architecture and infrastructure design using established frameworks.
• Contribute to High-Level and Low-Level Designs (HLD/LLD) and solution documentation.
• Design and deploy networking, datacentre, hybrid cloud, and platform solutions.
• Implement Security-by-Design principles and ensure compliance with ISO 27001, BIO, and NORA standards.
• Support automation and orchestration initiatives using tools such as Ansible and PowerShell.
• Participate in lifecycle reviews, health checks, and platform upgrades.
• Maintain accurate technical documentation and collaborate closely with architects, engineers, and customer teams.

Skills

Enterprise networking

Infrastructure environments

Cisco networking & security

VMware vSphere

Windows Server

Linux Server

Azure Active Directory

Kubernetes

Rancher

PowerShell

Ansible

Automation concepts

Security hardening

Compliance frameworks

Dutch language

English communication

Education

Bachelor's degree in ICT, Computer Science, Engineering, or equivalent experience

Tools

Ansible

PowerShell

Kubernetes

Rancher

Cisco

VMware vSphere

Job description

# Senior Network EngineerJob Reference No.CR/030812Job Type: ContractLocation: Feltham, United KingdomJob Reference No.: CR/030812We are looking for a Senior Network Engineer to support the delivery of enterprise networking, datacentre, cloud, and security projects. Working closely with architects and customer stakeholders, you will be involved in solution design, implementation, lifecycle management, and infrastructure automation across complex environments.### Key Responsibilities* Support architecture and infrastructure design using established frameworks and best practices.* Contribute to High-Level and Low-Level Designs (HLD/LLD) and solution documentation.* Design and deploy networking, datacentre, hybrid cloud, and platform solutions.* Implement Security-by-Design principles and ensure compliance with ISO 27001, BIO, and NORA standards.* Support automation and orchestration initiatives using tools such as Ansible and PowerShell.* Participate in lifecycle reviews, health checks, and platform upgrades.* Maintain accurate technical documentation and collaborate closely with architects, engineers, and customer teams.### Required Skills & Experience* Bachelor's degree in ICT, Computer Science, Engineering, or equivalent experience.* Strong experience with enterprise networking and infrastructure environments.* Knowledge of: + Cisco Networking & Security technologies (ACI, Firewalls, VPNs) + VMware vSphere, Windows & Linux Server environments + Azure and Active Directory + Kubernetes / Rancher + PowerShell, Ansible, and automation concepts* Understanding of security hardening and compliance frameworks.* Fluent Dutch and English communication skills.### Preferred Qualifications* CCNA, CCNP, or other Cisco certifications.* TOGAF and/or SAFe Architect certification.* Experience with Python automation.* Strong customer-facing and stakeholder management skills.This is an excellent opportunity to work on large-scale infrastructure and transformation projects while developing further into a technical architecture-focused role.