Senior Systems Administrator

1 day ago

Cape Town, Western Cape, South Africa Ecentric Payment Systems Full time
Job Title: Senior Systems Administrator

We are seeking a highly skilled and experienced Senior Systems Administrator to join our Hosting Services team at Ecentric Payment Systems. As a key member of our technical team, you will be responsible for leading technical efforts across client environments, ensuring system stability, security, and efficiency.

Key Responsibilities:
  • Support the production environment, upgrade, security management, and disaster recovery.
  • Setup and configure the Production, SIT, and Dev environments.
  • Implement and maintain associated system configurations.
  • Provide support function to internal teams and clients.
  • Extensive troubleshooting experience with software solutions.
  • Ensure that communication channels are established with all clients at a technical level.
  • Investigating production-related queries as raised by business or external parties.
  • Ensure that adequate testing has taken place before implementing new systems or changes to existing systems.
  • Ensure that periodic tests are executed at the DR site.
  • Ensure that failover procedures are documented and kept up to date.
  • Ensure that all technical documentation is maintained and product enhancements periodically reviewed.
  • Ensure effective monitoring systems and the building of tools, dashboards, and automated processes to empower the product and organization.
  • Test any new system releases/upgrades from Development or Service Providers.
  • Ensure that a testing schedule and procedure is available.
  • System Maintenance (Production and Test).
  • Be the SME for the hosted service.
  • Extensive knowledge of the 3DS authentication methods, message flows, authentication, challenge flows.
  • Extensive knowledge regards certificates and key management.
  • Strong written and spoken communication skills.
  • Analytical and logical problem-solving skills.
  • Provide support to customers via excellent written and spoken skills.
  • Provide process enhancements and recommendations.
  • Responsible for recurring system changes on the environments.
  • Provide a solid technical foundation to/across all of our customer environments.
  • Pro actively manage the customer environments.
  • Ensure that all incidents are logged and effectively managed, resolved, and escalated if necessary.
  • Identify trends across customer base and feedback observations and assessments.
  • Revision of technical documentation and specifications as part of the implementation and troubleshooting process and contributing to the Knowledge base.
  • Detailed investigation and analysis of incidents which might include, but is not limited to:
  • Analysis using tools like Elastic Search, Grafana, OpenSearch, Network sniffers, and Windows Performance Monitor.
  • The ability to write and edit scripts or simple programs.
  • Advanced Linux and Windows OS skills required.
  • Participate in incident escalations and resolution, which may occur after hours.
  • Participate in work outside normal business hours to do changes, upgrades, and tasks required part of the role.
  • Participate in standby weeks which are part of a defined rotation bases.
Requirements:
  • A tertiary IT, Software, or Engineering qualification.
  • 7 years' experience in the FinTech field.
  • Working knowledge of Linux from an administrative perspective: core fundamentals, command-line operations, scripting, service monitoring, networking, and monitoring tools.
  • Understanding of micro services/containers: e.g. Docker, Kubernetes.
  • Strong network and server troubleshooting skills.
  • Some understanding of APIs: SOAP, REST, or similar.
  • Network protocol and security knowledge (e.g. TCP, UDP, DHCP, DNS, SSL).
  • Certificate management and understanding.
  • Experience with building and maintaining modern monitoring, analysis, and diagnostics systems, e.g. Grafana, Elastic Search, Prometheus, Splunk, or similar.
  • Strong JSON/XML understanding with configurations and management.
  • Application server experience reading of system logs and writing of scripts, PowerShell, and Python beneficial.
  • Advantageous: Scripting experience: e.g. Working with JSON objects for monitoring purposes.
  • Advantageous: Proficiency and experience working with cloud environments, e.g. Azure, AWS.

We encourage all applicants to carefully review the required skills, competencies, and education levels outlined in the job description. This ensures that we can focus on candidates with the right qualifications, leading to a more efficient and accurate evaluation of your application.

Our comprehensive benefits package is designed to support our employees' well-being, foster personal and professional growth, and enhance their overall quality of life. From retirement planning to professional development and work-life balance initiatives, Ecentric is dedicated to empowering our employees to thrive both inside and outside the workplace.

We look forward to reviewing your application and discussing this exciting opportunity further.

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