Platform ULL - Colo - Strategic

Open Opportunities :: Squarepoint

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Montreal, London, New York Until 8/22/2026 H-1B sponsor history First posted March 26, 2025 Last posted March 26, 2025
Job description

Position:  Colo LL Strategic Specialist  - Compute 

Business Area: Infrastructure 

Job Summary:  

Squarepoint is looking for a talented and highly motivated Ultra Low Latency Platform Engineer to provide solutions across Squarepoint’s global colocation (COLOs) estate consisting of 400+ servers across 30 global sites.  The candidate will be responsible for project delivery, support escalations, monitoring, automation, security, documentation, and capacity management for Squarepoint’s low latency infrastructure. This will involve collaborating with our business partners, application owners, clients, vendors, and internal teams (SRE, Network, Application Support and Application Development, Quants, etc.) to deliver end to end solutions in a timely manner. 

  • Manage systems efficiently at scale through standardization, automation, testing, and in-depth monitoring 
  • Enforce development standards for source control, testing, and continuous integration for infrastructure, OS, patches, and configuration management 
  • Manage a distributed compute environment and multiple petabyte-scale storage systems 
  • Install, manage, and monitor the Linux operating system (RHEL based) 
  • Troubleshoot complex hardware and software issues throughout the Squarepoint technology stack 
  • Create self-healing systems and automated recovery processes 
  • Respond to system incidents and participate in on-call rotations 
  • Conduct root cause analysis of incidents and outages 
  • Reduce operational toil through the development of user-driven automated workflows 
  • Work with business owners to regularly re-prioritize the book of work, while delivering both tactical and long-term objectives  

Required Qualifications: 

  • 8+ years of experience working with Linux (RHEL/CentOS/Rocky preferred) in a large complex or niche environment with the following areas of focus: operations, systems engineering and systems performance.
  • Deep knowledge of server Architecture:  HP, SuperMicro, Dell, various overclock servers.
  • Low latency network interfaces and kernel bypass (configuration and optimization):  Solarflare with onload, Mellanox with VMA.
  • System hardware/OS tuning and performance troubleshooting, understanding of CPU architectures.
  • Experience with build and configuration management tools, specifically Chef or Ansible.
  • Experience with observability tools, specifically Grafana and Prometheus.
  • Highly motivated and a keen eye for scripting and automation in Python, Ruby, and Bash etc.
  • Deep knowledge and experience of server network stack configuration, tuning and troubleshooting including TCP, UDP(unicast/multicast), NTP, PTP, wireshark/tshark
  • Strong communication: verbal and written.
  • Critical thinking and problem-solving skills to tackle troubleshooting the unknown, glitches and the obscure.
  • Well-organized, proactive, resourceful, able to handle a fast-paced environment, question the status quo, accountable and possesses an ownership mindset.
  • Good understanding of trading venues such as Nasdaq, LSE, Euronext etc.
  • Degree in Engineering, Computer Science or related experience.
  • Well-rounded understanding of network architectures  

Nice to have: 

  • Kernel development with ability to modify stock kernels adding custom features.
  • Trade flow analysis: Understanding protocols used by various exchanges:  FIX, BOE, OUCH/ITCH, PILLAR, SBE, OMEX
  • Experience with configuration management tools i.e. Ansible, Chef, and Terraform.
  • Familiarity with different network switch vendors and different switch architectures.
  • Experience with working with FPGA based applications and L1 network design. 

The minimum base salary for this role is $120,000 if located in New York.  This expectation is based on available information at the time of posting.  This role may be eligible for discretionary bonuses, which could constitute a significant portion of total compensation.  This role may also be eligible for benefits, such as health, dental, and other wellness plans, as well as 401(k) contributions.  Successful candidates’ compensation and benefits will be determined in consideration of various factors.

About this role

Summary

Manage low latency infrastructure, optimize system performance, automate tasks, troubleshoot hardware/software issues.

Job title

Platform ULL - Colo - Strategic

Experience level

8+ years

Industry

financial services

Location requirements

Montreal, London, or New York; remote possible

Salary

The minimum base salary for this role is $120,000 if located in New York.

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

linuxserver architecturenetwork stackpythonbashchefansiblegrafanaprometheustroubleshooting

Preferred skills

kernel developmenttrade flow analysisnetwork switch architecturesFPGA

Specializations

linuxnetworkautomationperformancetroubleshooting
Locations

Structured locations inferred from the posting.

Montreal, QC, Canada

Remote City

London, UK

Remote City

New York, NY, USA

Remote City