[Hiring] Senior Service Engineer @One Market Data LLC

Role Description

We’re now looking for a Service Engineer to help us ensure the stability, scalability, and performance of our services as we continue to grow!

You’ll thrive in this role if you’re someone who:

• Takes ownership of troubleshootings and has eagerness to work with different stakeholders, including Customers
• Is willing to learn new technical stack
• Is committed to meeting and exceeding SLAs, with a strong sense of accountability and follow-through
• Communicates clearly and confidently with customers and internally, turning complex technical situations into transparent, reassuring updates
• Has a genuine interest in the investing and trading domain and is excited about gaining international experience in a high-impact field

Tech stack:

• OneTick time-series database
• Apache Airflow for data-processing pipelines
• Python as the primary programming and scripting language

Key Responsibilities:

• Problem Resolution:
  • Troubleshoot and resolve complex technical issues, escalating to leads or engineering teams when necessary.
  • Keep customers informed on the status of their issues and ensure resolution within agreed SLAs.
  • Track open cases and follow up to ensure timely closure.
• Process Improvement:
  • Follow and contribute to existing SOPs and knowledge base articles, suggesting updates where gaps are identified.
  • Flag recurring issues or patterns to the lead for further review.
• Reporting and Analysis:
  • Maintain accurate and up-to-date case documentation in the ticketing system.
  • Highlight SLA risks on individual cases and communicate them to the lead promptly.
• Collaboration & Cross-Functional Work:
  • Work with internal teams such as engineering and product to investigate and resolve customer issues.
  • Serve as a reliable technical point of contact for customers during issue resolution.
  • Share customer feedback and observations with the lead to support ongoing improvements.

Qualifications

• Linux: confident with the command line and system fundamentals
• GitLab / Git: working knowledge of Git workflows and key commands
• Python: ability to read, write, and debug basic scripts
• Awareness of and high level of experience with the development SDLC
• Apache Airflow: ability to work with DAGs
• English: professional working proficiency (spoken and written)

Requirements

• Experience in Customer support L1/L2 is a big plus.
• AWS (EFS, EC2, SGW, ASG, NLB, and more)
• Computer networking: diagnostic tools such as ping, traceroute, mtr, netstat/ss, dig
• Hands-on experience with observability stacks such as ELK or LGTM
• Familiarity with ITSM concepts (Incident, Problem, Service Request, Change, etc.)
• Basic knowledge of financial markets and trading workflows: common asset classes (e.g., equities, derivatives, fixed income), trade lifecycle events, and corporate actions
• Pandas, NumPy experience
• Working with large datasets (chunking)
• Basic understanding of memory usage and performance

Benefits

• Flexible working arrangements: full remote, hybrid, or office-based, depending on your location and preferences
• Competitive compensation, aligned with your experience, skillset, education, and local market standards
• Regular performance reviews linked to salary adjustments
• Medical insurance for you and immediate family members (Benefits may vary based on location and country-specific requirements.)
• Professional-development budget to support courses, certifications, and conferences
• Supportive international team