Senior Network Engineer

Chicago Trading Company (CTC) is a premier proprietary trading firm specializing in options market making. Our collaborative culture fuels innovation in quantitative research, systematic trading strategies, and cutting-edge trading technology. For over three decades CTC has provided critical liquidity across derivatives exchanges worldwide - making them fairer, more transparent, and more efficient.

We strive to be the most innovative firm in the industry today, tomorrow, and long into the future while upholding ethical excellence. We believe that CTC makes a positive impact on the markets, the lives of our employees, and all the communities to which we belong. Started in 1995 by a team of forward-thinking Traders, we are proud to call ourselves an industry leader that keeps making markets and each other better.

As a Sr. Network Engineer, you will be a member of the Network Engineering team. You’ll work as part of a tight-knight team responsible for planning, implementing, and supporting technical solutions across enterprise, cloud and trading environments. This role requires deep technical, operational, and communication skills to deliver results across the trading platform.

What You'll Do

  • Design, implement, operate, and support CTC’s global network infrastructure
  • Collaborate with traders, developers, operations teams, technologists, and management to deliver high-quality network solutions to real-world problems
  • Take a data driven approach to analyzing and solving complex network infrastructure issues
  • Guide projects from beginning to end, including design, procurement, implementation, and documentation
  • Use automation to improve efficiency and manage the network at scale
  • Enhance monitoring and alerting for network and application performance
  • Participate in an on-call rotation with the team for off-hours support. Other duties as assigned or needed.

What we're looking for

  • Extensive experience supporting a large-scale, global Network with hands-on experience in low-latency architecture
  • Deep knowledge of low-level network debugging, with a track record of solving performance issues
  • Deep understanding of TCP/IP & Ethernet networking including unicast and multicast routing protocols
  • Strong problem-solving under pressure and a collaborative, customer-service mindset; financial trading industry experience preferred

Most teams at CTC, with the exception of Trading, follow a hybrid workplace model, subject to change based on business need.

Our Benefits

We strongly believe in the well-being of our employees and their families so we offer outstanding benefits to support you both professionally and personally. These benefits include generous time off, insurance coverage, paid parental leave, free breakfast and lunch (plus healthy snacks, of course), wellness reimbursement, and a variety of other benefits focused on providing the best employee experience.

(Disclaimer: interns and contractors are not eligible for benefits at CTC)

Our Commitment to Diversity, Equity and Inclusion

At CTC, we aim to cultivate a workplace that celebrates diversity and each person feels included, engaged and empowered. Where each of us feels we belong. We are committed to having a diverse workforce and are proud to be an equal opportunity employer. CTC does not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform crucial job functions, and to receive other benefits and privileges of employment.

If you have a disability and believe you need a reasonable accommodation in order to search for a job opening or to apply for a position, please contact us at [email protected]. Note that emails sent to this email account for non-disability related issues, such as following up on an application, will not receive a response.

Use of Artificial Intelligence (AI)

Information submitted by job applicants may be subject to review and analysis by automated systems, including Artificial Intelligence (AI), as part of the recruitment process. Such systems are utilized to enhance the efficiency and effectiveness of our hiring procedures. Applicants are advised that any information provided may be evaluated by AI tools to ensure an equitable and thorough assessment.

What this application asks

greenhouse

First Name, Last Name, Email, Phone, Resume/CV

  • Preferred First Name optional
  • Are you currently or have you been registered with the FCA in either a Senior Management Function or in a Certification Function? choose one
  • What is your most recent title?
  • What is the name of your most recent employer?
  • Please enter the country you currently reside in.
  • Are you legally authorized to work in the United Kingdom? choose one
  • Are you currently, or have you previously been employed by CTC? choose one
  • Please select the option below that best describes your Non-Compete obligation to your current employer, per your contract. choose one
  • Please share any additional commentary regarding your Non-Compete: written answer · optional
  • Do you have at least five years of professional experience in network engineering? choose one
  • Have you performed low-level network debugging such as packet captures and Layer 2/3 analysis in a production setting? choose one
  • Have you configured and troubleshot both unicast and multicast routing protocols in a live network? choose one
  • Do you have professional experience supporting network infrastructure in a financial-trading environment (e.g., exchange, broker, hedge fund, or proprietary trading firm)? choose one

See also

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