DV Network Designer

LA International; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

LA International in London is seeking a seasoned Senior Network Engineer to lead a team delivering high-quality network designs and engineering solutions onsite in London. You will act as the technical authority for network engineering, ensuring designs meet enterprise standards, security requirements, and long-term technology strategy.

This hands-on leadership role requires balancing technical design capability with operational excellence, stakeholder engagement and people development.

Qualifications

• Extensive experience designing complex enterprise network solutions.
• Ability to translate business requirements into network designs.
• Experience producing HLDs and LLDs and design governance.
• Understanding of security controls and enterprise standards.

Responsibilities

• Lead the design of network solutions.
• Produce and review high-level and low-level network designs.
• Define architectures meeting availability, scalability, security and supportability.
• Ensure designs align with enterprise standards and design patterns.
• Drive network lifecycle planning including technology refresh, capacity growth and platform evolution.
• Perform technical assurance and design governance activities.Review solution designs produced by engineers, suppliers and third-party partners.
• Ensure operational support requirements are incorporated into solution designs from inception.
• Collaborate with solution architects and security architects to create integrated end-to-end solutions.
• Balance technical, commercial and operational considerations when making design decisions.
• Lead technical investigations, proof of concepts and technology evaluations.
• Establish network design principles, standards, blueprints and reference architectures.

Skills

Network design leadership

Stakeholder engagement

People development

Technical leadership

Tools

Ansible

Terraform

Palo Alto

Cisco Secure Firewall

Job description

6 months

DV Cleared

London 5 days onsite - fully onsite

You will lead a team of network engineers responsible for producing high-quality network designs and engineering solutions.

Acting as the technical authority for network engineering, you will ensure solutions align with enterprise standards, security requirements, operational needs, and long-term technology strategy.

This is a hands-on leadership role requiring a balance of technical design capability, operational excellence, stakeholder engagement and people development.

What you'll be doing

• Lead the design of network solutions.
• Produce and review high-level and low-level network designs.
• Define network architectures that meet availability, scalability, resilience, security and supportability requirements.
• Ensure network designs align with enterprise architecture standards and design patterns.
• Drive network lifecycle planning including technology refresh, capacity growth and platform evolution.
• Perform technical assurance and design governance activities.Review solution designs produced by engineers, suppliers and third-party partners.
• Ensure operational support requirements are incorporated into solution designs from inception.
• Collaborate with solution architects and security architects to create integrated end-to-end solutions.
• Balance technical, commercial and operational considerations when making design decisions.
• Lead technical investigations, proof of concepts and technology evaluations.
• Establish network design principles, standards, blueprints and reference architectures.

Skills and experience

Design & Architecture

• Extensive experience designing complex enterprise network solutions.
• Strong understanding of network architecture principles.
• Experience producing and reviewing High-Level Designs (HLDs) and Low-Level Designs (LLDs).
• Ability to translate business requirements into technical network solutions.
• Experience leading design governance and technical assurance activities.
• Understanding of NIST and CIS security controls.

Demonstrable experience across several of the following:

• Enterprise routing and switching
• Core, distribution and access layer design.
• Layer 2 and Layer 3 network design.
• Spanning Tree Protocol (STP, RSTP, MST).
• Link aggregation technologies (LACP, Port Channels).
• First-hop redundancy protocols including HSRP, VRRP or GLBP.
• Dynamic routing protocols including OSPF or EIGRP.

Data Centre Networking

• Spine-and-leaf architectures.
• VXLAN overlays.
• VMware NSX.
• East-west traffic optimisation.

Network security and firewalling

• Firewall architecture and policy design.
• Segmentation and micro-segmentation.
• Intrusion Detection and Prevention Systems.
• Palo Alto.
• Cisco Secure Firewall.

Network automation (Ansible, Terraform, API-driven automation)

• Monitoring and observability solutions.

Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.

An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.