System Engineer

optionsit· Technical Support
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📍 Belfast, County Down, United KingdomFull Time

About this role

System Engineer


Location: Belfast

Salary: Competitive


Join our team of expert engineers in the Engineering Team!


Who are we?


Options is the largest global financial technology company headquartered in Belfast. We are at the forefront of banking and trading infrastructure, serving clients globally with offices in New York, Chicago, Toronto, London, Cambridge, Paris, Hong Kong, Tokyo, Singapore, and Auckland. At Options, our services are woven into the hottest trends in global tech, including high-performance Networking, Cloud, Security, and AI (Artificial Intelligence).


Why Options?


Global travel: We have offices in New York, Chicago, Toronto, London, Belfast, Dublin and across Asia.

Continuous career development opportunities: We provide professional skills development and technical training.

The chance to be a part of a self-sufficient, successful team: The Options team operates in a fast-paced environment with endless opportunities for innovation and forward-thinking.


Competitive salary: In addition to a competitive salary, Options reward employees with a range of bonus incentives and employee benefits.


The Role


As a System Engineer, you will act as a key point of contact for clients, troubleshooting technical issues, configuring systems, and ensuring smooth operation across deployments. This role involves regular communication with clients, mapping requirements to platform capabilities, and proactive monitoring of systems. Over time, you will develop in-depth knowledge of electronic trading environments and the tools used by some of the world’s leading financial institutions.


What you will be doing


  • Configuring applications to meet customer requirements.
  • Working with Unix to configure low-latency servers to run P2D Analytics.
  • Troubleshooting issues with application installations.
  • Solving network problems using tools like P2D Analytics.
  • Performing health checks and proactively monitoring installations.



We’re looking for someone who has technical proficiency in:


  • Electronic trading systems (Market Data and Order Entry).
  • Experience using tcpdump and/or Wireshark.
  • Understanding Ethernet, IP, TCP, and UDP.
  • Experience with Protocol Decoders.
  • Manipulating Unix filesystems (creating directories, editing files, etc).
  • Checking the health of a system using tools like top, free, ps, etc.
  • System tuning using kernel boot parameters and tools such as ethtool and sysctl.
  • Experience in scripting (e.g., Bash, Python).
  • Ability to read log files and act accordingly.
  • Editing XML, JSON, and ENV files.
  • Understanding of REST APIs and web-based systems.


We’re also looking for candidates with:


  • Strong research, writing and communication skills.
  • Ability to work in a fast-paced and changeable working environment.
  • Exceptional organisational skills and strong attention to detail.
  • Desire to travel and see the world.
  • Ability to work independently and manage your own projects in a professional manner.
  • A passion for innovation and the financial technology sector.
  • Strong interpersonal skills.
  • Project management skills and proven ability to manage own workload.


How to apply:


Please submit a CV and cover letter to the Systems Engineer position on the Options Careers Page at https://www.options-it.com/careers/.


On your CV, please include a section on your Hobbies and Interests. On the covering letter please detail the role you are applying to, along with your availability.


If you have any questions about this position, please contact careers@options-it.com.

Frequently Asked Questions

Is the salary disclosed for the System Engineer position at optionsit?
The salary for this System Engineer role at optionsit is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the System Engineer position at optionsit located?
This System Engineer role at optionsit is based in Belfast, County Down, United Kingdom. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the System Engineer role at optionsit full-time or part-time?
This is listed as a Full Time position. It is posted as a System Engineer role in the Technical Support department at optionsit.
Which team or department does the System Engineer at optionsit belong to?
This System Engineer position is part of the Technical Support department at optionsit. See the full job description for more information about the team structure and responsibilities.
How do I apply for the System Engineer position at optionsit?
Click the "Apply Now" button on this page. You will be redirected to optionsit's official application portal hosted on bamboohr where you can submit your application directly.
When was the System Engineer job at optionsit posted?
This System Engineer position at optionsit was posted on Oct 7, 2025. Apply as soon as possible — early applications are often reviewed first.
System Engineer
optionsit
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