At a Glance
- Tasks: Lead the evolution of a cutting-edge trading platform and drive AWS migration.
- Company: Global market-making firm with a focus on innovation and technology.
- Benefits: Competitive salary, bonus potential, and hybrid work environment.
- Other info: Join a dynamic team with opportunities for growth and autonomy.
- Why this job: Take ownership of infrastructure strategy and make a real impact in finance tech.
- Qualifications: 7+ years in infrastructure leadership with strong AWS and networking skills.
The predicted salary is between 63000 - 77000 £ per year.
Quant Capital is working with a global market-making firm looking for a Head of Infrastructure to lead the buildout and evolution of its trading platform across cloud and on-prem environments. This is a senior technical leadership role with full ownership of infrastructure strategy, delivery, and scale across low-latency trading systems.
This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a small but senior infrastructure function with real autonomy and impact.
The Role
- Own infrastructure architecture across cloud, on-prem and hybrid platforms
- Lead end-to-end AWS migration and modernisation strategy
- Build greenfield environments for trading and research workloads
- Design and operate highly available, low-latency global infrastructure
- Take ownership of Microsoft services, Active Directory and core networking
- Engineer secure connectivity across firewalls, routing and multi-site links
- Drive network security, segmentation and access control strategy
- Lead and grow a high-performing infrastructure/DevOps team
- Partner closely with engineering, trading and risk functions
- Automate provisioning and deployment with IaC (CloudFormation/Terraform/Ansible)
- Scale monitoring, cost optimisation and system reliability in production
Background
- 7+ years in infrastructure leadership within trading, market-making or high-performance engineering environments
- Strong AWS architecture and hybrid (cloud + on-prem) experience
- Deep networking background: routing, switching, low-latency connectivity
- Strong understanding of reliability engineering and autoscaling systems
- Prior experience building and scaling teams in high-performing environments
- Confident interacting with technical and trading leadership
Core Skills
- AWS (VPC, IAM, S3, ECS/EKS, Direct Connect, Transit Gateway, CloudFormation)
- Networking: BGP, OSPF, MPLS, VLANs, VPNs, SD-WAN
- Firewalls and network security (Cisco ASA, Fortinet or similar)
- Linux and Windows systems engineering
- Microsoft services and identity (AD/Entra ID)
- CI/CD (GitLab CI or similar)
- IaC and automation (CloudFormation, Ansible, Terraform)
- Monitoring/Observability (CloudWatch, Prometheus, Grafana)
- Scripting (Python, Bash)
This is a fantastic opportunity for a Senior Infrastructure Engineer with some light management and leadership skills to step into a Head role for a growing but small team and within a fast-paced market making business.
Head of Infrastructure – Market making in London employer: Quant Capital
Quant Capital is an excellent employer for those looking to thrive in the fintech sector, offering a vibrant work culture that fosters innovation and collaboration. With substantial training and development opportunities, employees can enhance their skills while enjoying a flexible hybrid work model in the heart of London. Join us to be part of a forward-thinking team that values growth and cutting-edge technology.
StudySmarter Expert Advice🤫
We think this is how you could land Head of Infrastructure – Market making in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Quant Capital or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Quant Capital.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Quant Capital.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Quant Capital that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Head of Infrastructure – Market making in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Quant Capital.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Quant Capital and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Quant Capital
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Quant Capital uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
