Senior Information Security Engineer
OptiverSydney, New South Wales, Australia
Posted May 29, 2026
Full Time
About the Company
Optiver is a global market maker founded in Amsterdam, with offices around the world, committed to improving the market through competitive pricing, execution and risk management.
Job Description
Optiver is a global market maker seeking a Senior Information Security Engineer to join our security team in Sydney, Australia. The successful candidate will help protect and improve the security of our global systems, including cloud and on-premises infrastructure.
Requirements
- At least 5 years experience in an information security or technical engineering role
- Ability to apply analytical thinking to technical problems within a fast-moving environment
- Comfortable with both Windows and Linux environments; familiarity with common security technologies
- Solid scripting skills in PowerShell and/or Python
- Knowledge of secure Identity Management, authentication principles, and modern access control patterns
Benefits
- Performance-based bonus structure
- Training, mentorship and personal development opportunities
- Daily breakfast, lunch and in-house barista
- Gym membership plus weekly in-house chair massages
- Regular social events, including a company trip every two years
