Network Engineer III

Akuna Capital Llc; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading trading firm in London is seeking a Network Engineer III to join their IT Infrastructure team. This role involves maintaining and optimizing global trading infrastructure, requiring expertise in IP networking and low-latency environments. Candidates should have 3-5 years of experience and possess an active CCNP certification. The environment is fast-paced and dynamic, offering opportunities for growth and collaboration.

Qualifications

• 3–5 years of professional experience in IP networking, ideally with exposure to low-latency environments.
• Active CCNP certification required, desire to achieve CCIE certification encouraged.
• Strong understanding of TCP/IP, OSI stack, and routing protocols.

Responsibilities

• Collaborate with teams to configure and troubleshoot network infrastructure.
• Manage day-to-day support of network and application environments.
• Document and focus on automation of day-to-day operations.

Skills

IP networking

Low-latency environments

TCP/IP

Routing protocols

Scripting (Python)

Education

Bachelor’s degree in Computer Science or related field

Tools

Wireshark

tcpdump

Juniper

Cisco

Job description

Akuna Capital is an innovative trading firm with a strong focus on collaboration, cutting‑edge technology, data driven solutions, and automation. We specialize in providing liquidity as an options market‑maker – meaning we are committed to providing competitive quotes that we are willing to both buy and sell. To do this successfully, we design and implement our own low latency technologies, trading strategies, and mathematical models.

Our Founding Partnersfirst conceptualized Akuna in their hometown of Sydney. They opened the firm’s first office in 2011 in the heart of the derivatives industry and the options capital of the world – Chicago. Today, Akuna is proud to operate from additional offices in Sydney, Shanghai, London, and Singapore.

What you’ll do as a Network Engineerat Akuna:

We are seeking a Network Engineer III to join Akuna’s innovative and growing IT Infrastructure team. The ideal candidate is likely to have a strong background in low‑latency IP networking and will play a key role in maintaining and optimizing our global trading infrastructure. This role requires both technical depth and independent decision‑making — you will often serve as the sole network resource during core job hours, ensuring the stability and performance of our critical trading systems.Candidates must be self‑motivated, demonstrate excellent multitasking skills, and should be comfortable working in a fast‑paced, state‑of‑the‑art electronic trading environment. Candidates must posses an active CCNP certification and have the desire to one day achieve CCIE certification. In this role, you will:

• Collaborate with our Trading, IT Infrastructure, and Development teams to configure and troubleshoot the network infrastructure
• Provide day‑to‑day support of network and application environments, including port configuration and cabling
• Provide evening and weekend support and maintenance, and travel to data centers as required
• Work closely with other infrastructure engineers to evaluate current and new technology and improve all aspects of our infrastructure
• Work together with senior team members to analyze business requirements, and design, implement, and managean effective (WAN/LAN) network that supportsour current domestic and global trading platform
• Work with network providers to ensure that the trading infrastructure remains stable, competitive, and cost‑effective
• Document and focus on automation of all day‑to‑day operations
• The ability to react quickly and accurately to rapidly changing market conditions, including the ability to quickly and accurately respond and/or solve math and coding problems are essential functions of the role

Qualities that make great candidates:

• 3–5 years of professional experience in IP networking, ideally with exposure to low‑latency environments (trading, financial services, or similar)
• Bachelor’s degree in Computer Science, Information Systems, Network Design, or a related field
• Strong understanding of TCP/IP, OSI stack, and routing protocols (BGP, OSPF)
• Some experience working with either Juniper, Arista or CiscoUnderstanding of switching, firewalls, STP, VLANs, VPNs, Trunks, ACLs, multicast routing (IGMP, PIM BiDir) and MSDP
• Familiarity dealing with multiple vendors
• Experience performing network traffic and protocol analysis using standard industry tools (Wireshark, tcpdump)
• Working knowledge of Linux/Unixsystems
• Scripting language (such as Python) experience
• Active CCNP certification required, and desire to achieve CCIE certification is highly encouraged

In addition to technical skillsets, Akuna values the unique perspectives people can bring to the table to collaboratively solve complex problems and drive Akuna forward. We want everyone to feel empowered to apply. We welcome your application and encourage you to take the first steps toward your future with us!

Apply Now

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