Systems Engineer

Tower Research Capital
London

Tower Research Capital is a leading quantitative trading firm founded in 1998. Tower has built its business on a high-performance platform and independent trading teams. We have a 25+ year track record of innovation and a reputation for discovering unique market opportunities.

Tower is home to some of the world’s best systematic trading and engineering talent. We empower portfolio managers to build their teams and strategies independently while providing the economies of scale that come from a large, global organization.

Engineers thrive at Tower while developing electronic trading infrastructure at a world class level. Our engineers solve challenging problems in the realms of low-latency programming, FPGA technology, hardware acceleration and machine learning. Our ongoing investment in top engineering talent and technology ensures our platform remains unmatched in terms of functionality, scalability and performance.

At Tower, every employee plays a role in our success. Our Business Support teams are essential to building and maintaining the platform that powers everything we do — combining market access, data, compute, and research infrastructure with risk management, compliance, and a full suite of business services. Our Business Support teams enable our trading and engineering teams to perform at their best.

At Tower, employees will find a stimulating, results-oriented environment where highly intelligent and motivated colleagues inspire each other to reach their greatest potential.

Responsibilities

  • Supporting, maintaining, and enhancing the firm's trading Linux infrastructure
  • Providing day-to-day support for the Linux environment including emergency responses, change executions, troubleshooting, and resolving performance issues
  • Contributing to the development and refinement of tools and systems to automate provisioning, configuration, and monitoring of thousands of Linux servers
  • Managing essential core services such as DHCP, LDAP, DNS, and NFS for on-prem and hosted data centers as well as public clouds
  • Reviewing existing and implementing new designs for trading systems on the Cloud with the Cloud Architecture team
  • Improving the performance, resilience, availability, and observability of existing Cloud environments
  • Working in complex brownfield Cloud environments that host 24/7 critical trading infrastructure that is specifically optimized for high frequency, low latency, real-time processing using custom OS builds and highly specific Cloud platform configurations
  • Engaging in a rotational on-call schedule, including early morning and weekend shifts, to provide timely support

Qualifications

  • At least 5 years of experience in maintenance, operation, and administration of a sufficiently advanced Linux environment
  • Comprehensive knowledge of operating system principles, with a particular focus on Linux internals
  • Competence in server-side networking, including understanding network protocols and configurations
  • Proficiency in developing automation and monitoring tools
  • Experience with configuration management, provisioning, and orchestration tool (Ansible)
  • Good knowledge of Python, expert knowledge of Bash for scripting and automation tasks in a Linux environment
  • Understanding of Linux configuration management, source control, CI/CD, and automated deployment
  • Experience of continuous improvement and/or refactoring of infrastructure automation to improve the stability, reliability and performance of the Cloud platforms in a fast moving environment that needs to remain responsive to trading team requirements
  • Good problem-solving skills, underpinned by a methodical approach to technical challenges. This includes an ability to communicate effectively, demonstrating strong interpersonal skills, a sense of responsibility, and a commitment to driving projects to completion.
  • Comfort using AI in day-to-day activities
  • Strong expertise in AWS compute, networking and storage services (EC2, ENA, VPC, ELB, Direct Connect, S3, EBS) in the context of low latency performance engineering, including how Linux operating system and kernel components are specifically tuned for an EC2 environment and the AWS network

Preferred Qualifications

  • Experience with container technologies such as Docker and/or Kubernetes
  • Participation in open source or personal projects
  • Certifications in AWS DevOps Engineer Professional, AWS Advanced Networking

Benefits

Tower’s headquarters are in the historic Equitable Building, right in the heart of NYC’s Financial District and our impact is global, with over a dozen offices around the world.

At Tower, we believe work should be both challenging and enjoyable. That is why we foster a culture where smart, driven people thrive – without the egos. Our open concept workplace, casual dress code, and well-stocked kitchens reflect the value we place on a friendly, collaborative environment where everyone is respected, and great ideas win.

Our benefits include:

  • Generous paid time off policies
  • Savings plans and other financial wellness tools available in each region
  • Hybrid working opportunities
  • Free breakfast, lunch, and snacks daily
  • In-office wellness experiences and reimbursement for select wellness expenses (e.g., gym, personal training and more)
  • Company-sponsored sports teams and fitness events (JPM Corporate Challenge, Cycle for Survival, Wall Street Rides FAR and more)
  • Volunteer opportunities and charitable giving
  • Social events, happy hours, treats, and celebrations throughout the year
  • Workshops and continuous learning opportunities

At Tower, you’ll find a collaborative and welcoming culture, a diverse team and a workplace that values both performance and enjoyment. No unnecessary hierarchy. No ego. Just great people doing great work – together.

Tower Research Capital is an equal opportunity employer.

Posted 2026-07-24

Recommended Jobs

Project Manager

London

Project Manager Location: Poultry, City of London Salary: £90,000-£110,000 Project Value: £40m Project: Grade II Listed Refurbishment Tribuild is seeking a Project Manager to join the te…

View Details
Posted 2026-08-18

Operational Finance Manager

London

Job Title: Operational Finance Manager Location: London Hybrid 3 days WFH per week Salary: Up to £70,000 DOE Hours: Monday to Friday 9 am to 5 pm Benefits: Competitive benefits package including…

View Details
Posted 2026-09-04

Technology Modernization Director (Performance)

AlixPartners
London

At AlixPartners, we solve the most complex and critical challenges by moving quickly from analysis to action when it really matters; creating value that has a lasting impact on companies, their peopl…

View Details
Posted 2026-06-21

Client Experience Manager (CEX) Global Luxury Brand.

Central London

Customer Experience Manager, Client Engagement Manager, Brand Experience Manager, Event & Activation Manager, Customer Success Manager, marketing, London An established luxury brand is seeking an expe…

View Details
Posted 2025-11-18

LOCUM / TEMPORARY - Pharmacist - Beckenham - INDEED

Locum Meds
Beckenham, Greater London

JOB OVERVIEW Job Title: Locum Pharmacist – Beckenham Location: Beckenham Employment Type: Temporary / Locum Rate: £30 – £45 per hour (depending on experience) About the Role We a…

View Details
Posted 2026-04-12

IT DESK ANALYST x2

London

Our client is seeking to compliment its existing IT team with the addition of  TWO SUPPORT DESK  ANALYSYTS .  You will be a an IT service Desk analyst, with a positive  apporach and a  'can do a…

View Details
Posted 2025-12-12

Geography Teacher - Urban Development - Hackney

Marchant Recruitment
London

Geography Teacher – Lead Urban Development Studies and Utilize Inner-City Case Studies for Fieldwork – Hackney A progressive and community-focused secondary school in Hackney is seeking an experi…

View Details
Posted 2025-12-10

Part-time Team Assistant/FOH (4 days/week) - Investment Firm

Oriel Partners
London

We are very excited to be working on a fabulous new Team Assistant / FOH role for a highly successful boutique investment firm based in the heart of the West End. This is a part-time position, workin…

View Details
Posted 2026-08-24

Forward Deployed Engineer

v7labs.com
London

V7 At V7, we’re building AI platforms that help humans do their best work, at incredible scale and speed. Our mission is to turn human knowledge into trustworthy AI, making complex tasks faster, sm…

View Details
Posted 2026-08-06