IT Operations Engineer
oneZero Financial SystemsJohannesburg, Gauteng, South Africa • Somerville, Massachusetts, United States
Posted February 9, 2026
Full Time
About the Company
oneZero Financial Systems is an exciting, fast-growing company with Headquarters in Somerville MA, empowering banks, brokerages, and hedge funds with cutting-edge trade routing and execution technology.
Job Description
Join oneZero Financial Systems as an IT Operations Engineer to deliver reliable infrastructure and exceptional user support in a fast-paced, high-availability environment. The role demands strong technical expertise and independent decision-making capabilities.
Requirements
- 3+ years of experience in IT operations or a similar technical support role
- Demonstrated ability to exercise independent judgment in high-pressure situations and make critical decisions affecting system availability
- Experience with Windows and Linux server environments, virtualization technologies
- Strong understanding of network protocols, TCP/IP, DNS, DHCP, and VPN technologies
- Hands-on experience with monitoring tools (e.g., Nagios, Datadog, PRTG, or similar)
- Proficiency with ITSM platforms (ServiceNow, Jira Service Management, or similar)
- Experience with Active Directory, Office 365, and enterprise security tools
- Knowledge of backup and disaster recovery procedures
- Proven analytical and problem-solving abilities with capacity to assess complex technical issues and determine optimal solutions
- Excellent communication skills and customer service orientation
- Ability to work flexible hours, including on-call rotation
