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Salary
≈ $70k – $145k per year (Estimated)
Location
In office (Chicago)
Seniority
Junior
Visa
H-1B filings in 12 months: 3 · for this role: 3 · green card filings: 3

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Sep 8, 2026. Old Mission scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Old Mission - Advanced Technology. Unique Liquidity. Fresh Perspectives. Collaborative Spirit. Creative Thinking Made Approachable.

Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement.

About the Position

Old Mission is looking for a Junior Trading Ops/DevOps Engineer to join our growing team in Chicago. You'd work within the technology landscape safeguarding the performance and stability of proprietary trading systems and related hardware, with direct ownership of technical issues in in-house trading applications. The role blends SRE, Operations Engineer, and DevOps Engineer responsibilities.

What you'll do

  •     Deploy, run, and monitor production latency-sensitive trading applications
  •     Automate trading infrastructure/application management in Python
  •     Triage and resolve live incidents in a fast-paced trading environment
  •     Create and integrate monitoring and alerting
  •     Work with Linux, network, and datacenter engineers to troubleshoot issues and optimize trading performance
  •     Assist with rollout of new products, systems, and exchanges
  •     Conduct user acceptance testing across internal trading application stacks
  •     Review incidents for recurring themes and feed technical requirements back into the development cycle

Required Skills

  • Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline
  • 0-2 years of relevant work experience 
  • Strong programming ability 
  • High proficiency in Python on Linux Platforms
  • Networking knowledge/interest is a plus 
  • Strong troubleshooting instincts and root-cause discipline
  • Curiosity and eagerness to learn how systems fit together 
  • Ability to work under pressure and with frequent interruption 
  • Strong teamwork and collaboration ability 

Benefits and Perks  

  • Fully paid Medical, Dental, Vision, Disability, and Life Insurance
  • Fully stocked kitchen; free breakfast and lunch every day on-site
  • Tuition Reimbursement Program
  • 401(k) with employer match
  • Paid Vacation, Sick, and Parental leaves
  • Commuter and Flexible Spending Programs
  • In office M-F with 10 remote days per year

Base Salary Range  

$150,000 - $200,000 - Salaries are based on numerous factors such as skills, experience, and education. Our compensation package also includes a discretionary bonus and a comprehensive benefits program for full-time employees. For more information, reach out to your recruiter. 

Old Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hired by Old Mission.

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