Network Security Engineer

Threadneedle group; London; On-site; GBP 60,000 - 85,000; Full time

Job summary

A leading company is seeking a Network Engineer to support complex network architectures and design strategies. You will play a key role in network design, management, and providing technical leadership, ensuring network performance and security compliance. Ideal candidates will have substantial networking experience, strong analytical capabilities, and a commitment to innovative problem-solving. Join a diverse team committed to providing exceptional client solutions and operational excellence.

Qualifications

• 5-7 years of relevant networking experience required.
• Ability to communicate technical information across various organizational levels.
• Strong thought leadership abilities.

Responsibilities

• Network design, architecture, management, and deployment of routing and switching.
• Responsible for network performance and security conformance.
• Troubleshoot complex network issues logically.

Skills

Analytical abilities

Customer service abilities

Coaching and mentoring

Technical communication

Innovative problem solving

Education

Bachelor’s degree in computer science or related field

Tools

Palo Alto

Cisco

F5 - Big IP, LTM, GTM

Wireshark

Linux OS understanding

Job description

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.

Responsibilities:

• 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.

Required Qualifications:

• Bachelor’s degree in computer science or related field; or equivalent work experience.
• Minimum 5-7 years of relevant networking experience required.
• 5-7 years of 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.
• Firewalls - Palo Alto, Cisco, NGFW
• F5 - Big IP, LTM, GTM, ASM, AFM or comparable ADC experience
• Infoblox - DNS, DHCP, NTP
• Packet capture and analysis – Wireshark, Viavi
• Linux OS understanding

Preferred Qualifications:

• Cloud Networking - AWS, Azure, Terraform and Cloud Formation Templates
• Automation & scripting – Python, Ansible, IaC
• Routing Protocols – BGP, EIGRP, OSPF
• Cisco Platforms: Routing and Switching
• Switching Protocols – Spanning Tree, Port Channels
• Network monitoring, NetFlow, capacity management
• Packet Broker – Gigamon
• Experience with – (ISR/ASR/Nexus/Catalyst), wireless, ACI, Meraki, SDWAN, ISE

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