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Senior Network Engineer

2 weeks ago


London Area, United Kingdom Tempest Vane Partners Full time £850,000 - £1,150,000 per year

The Client

Our client is a leading global investment management firm operating a multi-strategy platform that combines cutting-edge technology with deep fundamental and quantitative research. With a presence across major financial centres in a collaborative global footprint spanning London, New York, and Asia, the firm manages a diverse portfolio across asset classes and strategies, supported by a world-class infrastructure and proprietary technology stack.

The organisation is renowned for its collaborative, high-performance culture, one that empowers engineers to design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture supporting the firm's ambitious technology roadmap.

What You'll Get

  • Competitive base salary and performance-related bonus
  • Private healthcare and pension contributions
  • Exposure to a high-calibre trading environment and global technology platform
  • Opportunities for professional development and advanced certifications
  • A collaborative, high-trust culture that values expertise and innovation

What You'll Do

As a Senior Network Engineer, you'll play a central role in maintaining and evolving the firm's global data and voice network. You'll design and deliver projects that support both trading operations and broader business initiatives across data centres, offices, and cloud environments.

Key responsibilities include:

  • Owning and supporting the global network and voice infrastructure
  • Designing, implementing, and optimising secure, scalable network solutions
  • Partnering with internal teams and external vendors to resolve complex network issues
  • Leading infrastructure projects involving data centres, telephony, and cloud connectivity
  • Performing proactive monitoring, maintenance, capacity planning, and performance tuning
  • Driving automation and process improvement initiatives

What You'll Need

  • Minimum 5 years' experience supporting enterprise-level data and voice networks
  • Solid experience in financial or trading environments preferred
  • Cisco CCNP (or equivalent) certification required
  • Strong hands-on expertise with:
  • Cisco 9500/9300 series switches, 2900/4400 routers
  • Juniper SRX Firewalls, Cisco Meraki appliances
  • Core technologies: BGP, OSPF, HSRP, spanning tree, VPNs, dot1x, ACI fabric
  • AWS Direct Connect and Transit Gateways
  • Knowledge of Cisco ISE and network automation (Terraform desirable)
  • Excellent analytical, communication, and problem-solving skills
  • A proactive mindset with the ability to work independently in a fast-paced environment

Interested?

Please apply directly to confidentially discuss this opportunity and the broader infrastructure roadmap.