Network Engineer | Financial Services | London, Hybrid
Our client is a globally recognised firm with offices across major financial centres.
Their London office is a strategic hub supporting global operations. They foster a culture of innovation, agility, and excellence, and we’re looking for a rising star in network engineering to join their infrastructure team.
Role Overview
The firm is looking for a Network Engineer who’s passionate about designing, implementing, and maintaining secure and scalable network solutions.
You’ll be part of a small, high-performing infrastructure team, supporting the firm’s critical operations across trading, investment, and corporate systems.
This is not a “maintenance-only” role, it’s hands-on, creative, and strategic.
You’ll be involved in design discussions, process improvement, and ensuring the firm’s network infrastructure evolves alongside new technologies and business needs.
?London-based
?Permanent Role
?Competitive Salary + Benefits package
Key Responsibilities
- Design, configure, and maintain the firm’s network infrastructure (LAN/WAN/Wi-Fi, firewalls, VPN, routing, and switching).
- Support and enhance voice and video systems (Zoom, Teams, Cisco, etc.).
- Collaborate with the systems and cloud teams to optimise virtualised network environments (VMware, Azure, or similar).
- Participate in the network design process, offering innovative, scalable solutions to support business growth.
- Troubleshoot complex network issues quickly and effectively, maintaining minimal downtime.
- Ensure compliance with security standards and assist with network monitoring and incident response.
- Contribute to documentation, process improvements, and best practice development.
Required Experience & Qualifications
- Proven experience in a mid-sized company environment (approx. 200–500 users).
- CCIE certified or working toward CCIE – strong understanding of Cisco technologies.
- Exposure to network design and architecture principles.
- Experience in professional services environments such as investment banking, legal, or consultancy firms.
- A strong desire to learn, grow, and take ownership within a collaborative, forward-thinking team.
Hands-on experience with:
- Routing and switching (Cisco preferred)
- Firewalls (Palo Alto, Fortinet, or Cisco ASA)
- VPN, SD-WAN, and network segmentation
- Zoom and voice systems integration
- Virtual infrastructure (VMware, Hyper-V, Azure networking)
Ideal Candidate Profile
- You’re an ambitious and detail-oriented Network Engineer with a balance of hands-on technical skill and strategic curiosity.
- You’ve cut your teeth in a professional environment, enjoy problem-solving under pressure, and want to grow into a senior engineering role where your ideas and initiative are valued.
What's on Offer
- Opportunity to work in a prestigious global investment firm with cutting-edge technology.
- Clear career progression and development pathways.
- Competitive compensation and global benefits package.
- Collaborative and inclusive team culture.
If you are interested in this Network Engineer role, please respond to this advert directly with your updated CV or email it to chantelle.smith@sourcegroupinternational.com