Network Engineer (Cisco)
Location
London, England, United Kingdom
Posted At
6/12/2025
Advertise with us by contacting: [email protected]
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Description
Where you’ll fit in & what our team goals are…
In your role you will support complex network architectures by developing, designing, configuring, and implementing detailed network engineering strategies/solutions that meet and/or exceed capability, flexibility, scalability, performance, and reliability objectives for a variety of large projects, across multiple technologies, within technical area of expertise.
You will also provide technical leadership to team/vendor/contractor resources, ensuring viability of designs, flawless execution, and seamless transition into the production environment.
How you'll spend your time...
Independently perform highly complex assignments.
Network design, architecture, management, and deployment of new and existing routing and switching within campus, cloud and data center networks.
Lead proper execution of network changes & updates in accordance with corporate security policies to meet business requirements.
Responsible for network performance, as well as conformance to security hardening standards and assessment of CVEs.
Ability to troubleshoot network-related issues in a logical manner and complete problem resolution management.
Research, recommend, and establish innovative solutions for proper capacity planning that scale with the business growth.
Where possible, introduce automation for daily routine administrative tasks.
Collaborates with all Information Technology (IT) disciplines.
Creates, maintains, and updates documentation with most relevant information.
Escalation resource during major incidents and outages as needed.
Perform other special project and duties as assigned.
Ongoing life-cycle support for network deployments and upgrades.
Collaborate with team members to ensure project scoping activities are aligned with architectural objectives.
Participate and provide input into the continual refinement of processes, policies, and best practices to ensure optimal performance and availability of technologies.
Continuously develop specialized knowledge and technical subject matter expertise by remaining appraised of industry trends, the direction of emerging technologies, and their potential value to the business.
To be successful in this role you will have...
Bachelor’s degree in computer science or related field; or equivalent work experience.
Extensive Relevant Networking Experience Required.
Extensive experience with network design and engineering.
Strong analytical and customer service abilities.
Ability to communicate and articulate technical information across various organizational levels.
Strong thought leadership abilities and a highly innovative problem solver.
Ability to coach and mentor experienced Network engineering staff.
Cisco Platforms: Routing and Switching
Routing Protocols – BGP, EIGRP, OSPF
Switching Protocols – Spanning Tree, Port Channels
Network monitoring, NetFlow, capacity management
Packet capture and analysis - Wireshark
If you also had this, it would be great…
Experience with – (ISR/ASR/Nexus/Catalyst), wireless, ACI, Meraki, SDWAN, ISE
Cloud Networking - AWS, Azure, Terraform and Cloud Formation Templates
Automation & scripting – Python, Ansible, IaC
Packet Broker – Gigamon
Firewalls - Palo Alto, Cisco
F5 - Big IP, LTM, GTM, ASM, AFM
Infoblox - DNS, DHCP, NTP
Linux OS understanding
About Columbia Threadneedle Investments
Working at Columbia Threadneedle Investments you'll find growth and career opportunities across all of our businesses.
We're intentionally built to help you succeed. Our reach is expansive with a global team of 2,500 people working together. Our expertise is diverse with more than 650 investment professionals sharing global perspectives across all major asset classes and markets. Our clients have access to a broad array of investment strategies, and we have the capability to create bespoke solutions matched to clients' specific requirements.
Columbia Threadneedle is a people business and we recognise that our success is due to our talented people, who bring diversity of thought, complementary skills and capabilities. We are committed to providing an inclusive workplace that supports the diversity of our employees and reflects our broader communities and client-base.
We appreciate that work-life balance is an important factor for many when considering their next move so please discuss any flexible working requirements directly with your recruiter.
Full-Time/Part-Time
Full time
Worker Sub Type
Permanent
Job Family Group
Technology
In your role you will support complex network architectures by developing, designing, configuring, and implementing detailed network engineering strategies/solutions that meet and/or exceed capability, flexibility, scalability, performance, and reliability objectives for a variety of large projects, across multiple technologies, within technical area of expertise.
You will also provide technical leadership to team/vendor/contractor resources, ensuring viability of designs, flawless execution, and seamless transition into the production environment.
How you'll spend your time...
Independently perform highly complex assignments.
Network design, architecture, management, and deployment of new and existing routing and switching within campus, cloud and data center networks.
Lead proper execution of network changes & updates in accordance with corporate security policies to meet business requirements.
Responsible for network performance, as well as conformance to security hardening standards and assessment of CVEs.
Ability to troubleshoot network-related issues in a logical manner and complete problem resolution management.
Research, recommend, and establish innovative solutions for proper capacity planning that scale with the business growth.
Where possible, introduce automation for daily routine administrative tasks.
Collaborates with all Information Technology (IT) disciplines.
Creates, maintains, and updates documentation with most relevant information.
Escalation resource during major incidents and outages as needed.
Perform other special project and duties as assigned.
Ongoing life-cycle support for network deployments and upgrades.
Collaborate with team members to ensure project scoping activities are aligned with architectural objectives.
Participate and provide input into the continual refinement of processes, policies, and best practices to ensure optimal performance and availability of technologies.
Continuously develop specialized knowledge and technical subject matter expertise by remaining appraised of industry trends, the direction of emerging technologies, and their potential value to the business.
To be successful in this role you will have...
Bachelor’s degree in computer science or related field; or equivalent work experience.
Extensive Relevant Networking Experience Required.
Extensive experience with network design and engineering.
Strong analytical and customer service abilities.
Ability to communicate and articulate technical information across various organizational levels.
Strong thought leadership abilities and a highly innovative problem solver.
Ability to coach and mentor experienced Network engineering staff.
Cisco Platforms: Routing and Switching
Routing Protocols – BGP, EIGRP, OSPF
Switching Protocols – Spanning Tree, Port Channels
Network monitoring, NetFlow, capacity management
Packet capture and analysis - Wireshark
If you also had this, it would be great…
Experience with – (ISR/ASR/Nexus/Catalyst), wireless, ACI, Meraki, SDWAN, ISE
Cloud Networking - AWS, Azure, Terraform and Cloud Formation Templates
Automation & scripting – Python, Ansible, IaC
Packet Broker – Gigamon
Firewalls - Palo Alto, Cisco
F5 - Big IP, LTM, GTM, ASM, AFM
Infoblox - DNS, DHCP, NTP
Linux OS understanding
About Columbia Threadneedle Investments
Working at Columbia Threadneedle Investments you'll find growth and career opportunities across all of our businesses.
We're intentionally built to help you succeed. Our reach is expansive with a global team of 2,500 people working together. Our expertise is diverse with more than 650 investment professionals sharing global perspectives across all major asset classes and markets. Our clients have access to a broad array of investment strategies, and we have the capability to create bespoke solutions matched to clients' specific requirements.
Columbia Threadneedle is a people business and we recognise that our success is due to our talented people, who bring diversity of thought, complementary skills and capabilities. We are committed to providing an inclusive workplace that supports the diversity of our employees and reflects our broader communities and client-base.
We appreciate that work-life balance is an important factor for many when considering their next move so please discuss any flexible working requirements directly with your recruiter.
Full-Time/Part-Time
Full time
Worker Sub Type
Permanent
Job Family Group
Technology
Advertise with us by contacting: [email protected]
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