Systems Engineer

Systems 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 Systems 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:

• Basic software testing methodologies.


• Understanding Ethernet, IP, TCP, and UDP.


• Ability to use tcpdump and Wireshark.


• 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.


• Editing XML, JSON, and ENV files.


• Ability to read log files and act accordingly.


• Understanding of HTTP protocol.


• Scripting (e.g., Bash, Python).


• Building protocol decoders

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 [email protected].