Senior Network Engineer

Synechron; Greater London; On-site; GBP 110,000 - 150,000; Full time

Job summary

Synechron is seeking a Senior Network Engineer in London to design, implement, and maintain the enterprise network for a key client. The role demands hands-on experience with routing, VPN, data center networks, and WAN connectivity, driving secure, scalable infrastructure.

With 10+ years in the field, you will contribute to architecture and deployment strategies while collaborating with cross-functional teams.

Qualifications

• 10+ years of network engineering experience.
• Expertise in dynamic routing protocols (BGP/OSPF/EIGRP/PIM).
• Experience with MPLS/WAN connectivity.
• Cisco networking proficiency; CCNP desirable.

Responsibilities

• Design and implement enterprise network infrastructure.
• Manage deployment, maintenance and upgrades of network.
• Support business continuity and incident response for Managed Service environments.
• Collaborate with Design/IT teams to improve network availability.

Skills

Cisco networking

Dynamic routing

WAN connectivity

VPN technologies

Network troubleshooting

VMware

Education

Degree in technical field

Tools

Cisco Nexus

Nexus switches

VMware vSphere

Job description

We are seeking an experienced Senior Network Engineer to join our client in London, UK.

• Location: London, UK
• Employment Type: Permanent / Contract
• Experience Required: 10+ Years

About Company

Synechron is a global technology consulting firm that helps leading organizations accelerate digital transformation through innovation, expertise, and agility. With more than 16,500 professionals across around 60 offices in over 20 countries, we combine deep industry knowledge with advanced capabilities in AI, cloud, cybersecurity, and data engineering.

Our regional teams, supported by strategic delivery centers, provide scalable, cost-efficient solutions tailored to local markets. Through our award-winning Synechron FinLabs accelerators and strategic partnerships with AWS, Microsoft, Databricks, Salesforce, and ServiceNow, we enable clients to innovate fast and lead with confidence. For more information on the company, please visit our website or LinkedIn community.

Synechron: Technology and AI Consulting for Business

Synechron is an innovative global consulting firm delivering industry-leading digital solutions to transform and empower businesses.

Diversity, Equity, and Inclusion

Synechron’s Diversity, Equity, and Inclusion (DEI) program, Same Difference, was developed because we believe in a culture of listening, respect, and opportunity.

We each bring unique backgrounds, thoughts, talents, and experiences with us to work every day, and we know that by embracing them, we are creating an even greater Synechron. The best way to build a strong team is to value individual differences. So, it doesn’t matter where you’re from or what you’ve had to do to get here – if you have the skills, enthusiasm, and drive to make your mark, we’ll support you like we support each other. Choose a career with us and let’s pursue innovation, together.

Job Descriptions

Infrastructure

• Research and identify the most appropriate options for the entire Client network infrastructure
• Design the architecture of the required infrastructure solution
• Manage the deployment, maintenance and upgrade paths of the network
• Identify, deploy and maintain appropriate connectivity options for a geographically dispersed, growth based business
• Maintain and test business continuity plans and systems
• Contribute to the overall quality of service delivered to internal users and clients.
• Support the Application Support team in dealing with critical incidents in the Managed Service environment.

Design

• Contribute to the roadmap for the development and evolution of the infrastructure that is appropriate for the current needs as well as scalable for the future needs of the business
• Contribute toward design improvements that allow for more efficient support of the environment, applications and clients
• Actively contribute to increasing the availability of our services by providing iterative improvements to existing infrastructure solutions

YOU

• Excellent knowledge and practical expertise of:
• Managing and troubleshooting networks (Cisco CCNP desirable)
• Dynamic routing protocols (BGP, OSPF, EIGRP, PIM)
• WAN connectivity (MPLS, EPL, dark fibre, etc.)
• Cisco datacenter switching/routing (Nexus), campus routing (ISR/ASR)
• VPN Technologies and posture assessment
• Designing and managing VMware vSphere environments

Desirable knowledge and practical expertise of

• Multicast design and delivery within a fast paced exchange environment
• Active Directory
• Knowledge of any scripting language and/or previous experience of automation

Proven ability to collaboratively pursue issue resolution and push for long term and permanent solutions to on-going problems

• Understanding of fundamental computer architecture, TCP/IP networking, server virtualisation, storage and operating system concepts;
• Knowledge of ITIL, willingness to pursue deeper study and expertise;
• A degree or equivalent in a technical, scientific or engineering discipline.