Senior Network Architect — Hybrid, London

Placements24; Windsor Park (TN); Hybrid; USD 121,000 - 201,000; Full time

Benefits offered by this job

Competitive salary

Medical & Dental insurance

Retirement plan

Hybrid work

Professional development

Bonuses

Paid time off

Collaborative culture

Job summary

Placements24 seeks a Senior Systems Engineer to lead the design and implementation of scalable, secure network infrastructure for a major telecommunications client in East London. The role blends on-site collaboration with remote flexibility and demands deep expertise in routing, switching, SDN, and cloud networking.

You will guide architecture decisions, mentor engineers, and drive high-availability services while aligning with security policies and industry best practices.

Qualifications

• Bachelor's or Master's degree in Computer Science, Electrical Engineering, Telecommunications, or related field.
• Minimum 8 years of experience in network engineering with emphasis on architecture and design.
• Deep knowledge of routing protocols (BGP/OSPF), switching, firewalls, and load balancers.
• Experience with network virtualization, SDN, and cloud networking concepts.
• Proficiency in Python for automation and scripting.
• Strong TCP/IP, DNS, DHCP understanding and related services.
• Experience with network monitoring and analysis tools.
• Excellent problem-solving, analytical, and leadership skills.
• Certifications such as CCIE/JNCIE or equivalent are desirable.

Responsibilities

• Design and architect scalable, high-performance network infrastructure.
• Develop network strategies, roadmaps, and technical specs.
• Oversee deployment of new technologies and upgrades.
• Troubleshoot complex network issues to minimize downtime.
• Collaborate with engineering and operations for seamless integration.
• Define and enforce network security policies and best practices.
• Evaluate new hardware, software, and protocols.
• Mentor junior engineers and provide technical guidance.
• Monitor performance and plan capacity for resources.
• Stay current with industry trends and emerging networking tech.

Skills

Network architecture

BGP/OSPF

Firewalls/Load balancers

SDN & Cloud networking

Python scripting

TCP/IP/DNS/DHCP

Network monitoring tools

Leadership & communication

Education

Bachelor's or Master's in CS/EE/Telecom

Tools

Wireshark

Cisco IOS

Juniper Junos

Network virtualization tools

Job description

Placements24 seeks a Senior Systems Engineer to lead the design and implementation of scalable, secure network infrastructure for a major telecommunications client in East London. The role blends on-site collaboration with remote flexibility and demands deep expertise in routing, switching, SDN, and cloud networking.

You will guide architecture decisions, mentor engineers, and drive high-availability services while aligning with security policies and industry best practices.