Head of Infrastructure

About Us:
Atto Trading, a dynamic quantitative trading firm founded in 2010 and leading in global high-frequency strategies.
We are expanding an international, diverse team with experts in trading, statistics, engineering, and technology. Our disciplined approach, combined with rapid market feedback, allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort.
Role Highlights:
We’re hiring a hands-on Head of Infrastructure to guide a small, high-performing engineering team, set direction and deliver initiatives across a hybrid environment, and work closely with stakeholders. The remit combines technical delivery with team development—balancing strategic leadership and deep technical involvement. We’re looking for someone energized by a fast-moving environment and committed to building scalable, secure, and highly automated platforms.

Key responsibilities include:

• Lead and mentor the infrastructure team (7 engineers) during a major business scale-up.
• Own core infrastructure domains: CI/CD, networking, hardware & performance tuning, data platforms & pipelines, scaled compute, security & access.
• Raise engineering standards by applying proven industry experience and sound practices.
• Drive modernization and upgrades across key stack components with full management buy-in.
• As a small firm striving for growth while maintaining high P&L per person, this role is 60–80% hands-on (as opposed to pure management).

• 5+ years in a relevant role at a top HFT firm (not banks or funds) within the last 7 years. 
• Demonstrated management and leadership skills while still being >50% hands-on.
• Background in a startup-phase HFT firm or trading team experience is highly desirable.
  
  Tech Skills:
• End-to-end understanding of modern HFT platforms, including production and research environments.
• Knowledge of operating systems; kernel-level understanding of device/system mechanisms for Linux.
• Linux/bash, Python.
  About you:
• Strong practical decision-making abilities.
• Excellent analytical and problem-solving skills. 
• Deep passion for trading.
• Passion for continuous learning.
• Strong sense of responsibility and ownership mindset.

• Competitive compensation package
• Performance-based bonus opportunities
• 401k plan
• Mental health support, including access to therapy
• Paid time off (25 days)
• Relocation support (where applicable)
• International team meet-ups
• Learning and development support, including courses and certifications
• Access to professional tools, software, and resources
• Fully equipped workstations with high-quality hardware
• Modern office with paid lunches