Geidea Established in 2008, Geidea epitomizes customer focused empowerment and commercial success through continuous innovation.
Geidea makes best in class digital payment solutions available for all by attracting and leveraging the best creative & entrepreneurial talent in the market
Our solutions give any business the chance to get ahead and reach for more no matter their size or maturity.
Our technology mirrors our people - Smart, Innovative & Forward Thinking
To maintain a competitive advantage as we grow, we are currently looking for a new "Senior System Admin "
Job purpose:
The Senior System Administrator is responsible for designing, implementing, administering, and optimizing enterprise infrastructure environments across hybrid cloud, Nutanix, Windows, and Linux platforms. The role ensures the availability, security, performance, and scalability of critical IT systems through effective management of virtualization, clustering, identity services, and automation solutions. The Senior System Administrator serves as a technical expert, driving infrastructure reliability, high availability, disaster recovery readiness, and operational excellence while supporting business continuity and future technology growth.
Responsibilities:
Design, deploy, and maintain hybrid infrastructure environments leveraging
.
Configure, and manage Nutanix HCI clusters.
Perform cluster upgrades, lifecycle management, and capacity planning.
Monitor cluster performance, storage policies, and resource utilization.
Troubleshoot Nutanix AHV hypervisor issues and VM performance problems.
Manage and maintain Active Directory environments including:
Domain controllers
Group Policy design and troubleshooting
AD replication and site topology
DNS and authentication services
Implement identity and access management policies.
Manage domain security hardening and auditing.
Deploy and manage MSCS (Microsoft Cluster Service) Clustering environments.
Configure failover clusters for critical workloads.
Perform cluster troubleshooting and failover testing.
Design high availability solutions for enterprise applications.
Administer enterprise Linux environments including Ubuntu and RHEL.
Manage system performance, security hardening, and patching.
Configure system services, networking, storage, and package management.
Troubleshoot kernel, filesystem, and OS-level issues.
Develop automation scripts using Shell scripting to streamline system operations.
Qualifications:
Cloud & Hybrid Infrastructure
Virtualization & Hyper-Converged Infrastructure (HCI)
Windows Infrastructure
Clustering & High Availability
Linux Administration
Automation & Scripting
Preferred Qualifications
Professional Experience
Key Competencies
Our values guide how we think and act - They describe what we care about the most
Customer first - It’s embedded in our design thinking and customer service approach
Open - Openness allows us to constantly improve and evolve
Real - No jargon and no excuses!
Bold - Constantly challenging ourselves and our way of thinking.
Resilient – If we fail, we bounce back stronger than before.
Collaborative - We know that we can achieve a lot more as a team.
We are changing lives by constantly striving for a better solution.
