Systems Administrator

Description

Vistex is a global enterprise software and services company that helps businesses take control of their mission-critical processes. With a multitude of programs covering pricing, trade, royalties and incentives, it can be complicated to see where all the money is flowing, let alone how much difference it makes to the topline and the bottom line. With Vistex, business stakeholders can see the numbers, see what really works, and see what to do next – so they can make sure every dollar spent or earned is really driving growth, and not just additional costs.

The world’s leading enterprises across a spectrum of industries rely on Vistex every day to propel their businesses.

The Systems Administrator is responsible for the administration, maintenance, security, and ongoing optimization of the organization’s server, virtualization, storage, backup, and enterprise application environments. This role ensures the reliability, availability, performance, and security of critical IT infrastructure while providing responsive technical support to users and business operations.

The ideal candidate is a highly capable problem solver who can work independently in a high-pressure environment, effectively prioritize competing demands, communicate clearly with all levels of the organization, and maintain a strong customer-service orientation.

Responsibilities :

Systems & Server Administration

• Install, configure, maintain, monitor, and troubleshoot Windows server infrastructure, primarily Windows Server 2019, 2022, and 2025.
• Administer server hardware, operating systems, enterprise applications, and backend infrastructure.
• Manage Active Directory, Group Policy, DNS, DHCP, antivirus, vulnerability-management, and other core infrastructure services.
• Apply operating system updates, security patches, configuration changes, and system upgrades in accordance with established standards and procedures.
• Monitor system performance, availability, capacity, and health; identify and resolve issues before they impact business operations.
• Monitor system logs, alerts, events and respond appropriately to incidents.
• Perform routine audits of systems, software, configurations, and security controls.
• Develop, maintain, and enforce configuration standards, policies, and procedures for the server environment.
• Install, administer, maintain, upgrade, and troubleshoot VMware vSphere environments.
• Manage VMware technologies including HA, DRS, vMotion, Distributed Switches, and Site Recovery Manager.
• Create and manage virtual machines, VM templates, resource pools, virtual clusters, virtual networks, security groups, permissions, and alert structures.
• Monitor and optimize VMware infrastructure performance from both the guest operating system and hypervisor layers.
• Troubleshoot virtualization-related performance, availability, capacity, and configuration issues.

Storage, Backup & Recovery

• Administer SAN storage, including storage allocation, provisioning, monitoring, and troubleshooting.
• Support enterprise backup and recovery systems and software;
  Veeam experience is a plus.
• Perform and validate backup and recovery operations and assist with disaster recovery planning, testing, and execution.
• Monitor backup environments and address failures or other conditions that could affect data recoverability.

Security & Access Management

• Manage user accounts, permissions, security groups, and access controls in accordance with established policies.
• Support implementation and maintenance of server security controls, antivirus, vulnerability-management tools, and security policies.
• Ensure systems are patched and configured according to security and operational standards.
• Identify potential security and compliance issues and escalate or remediate them as appropriate.

Incident Management & User Support

• Respond to system and user incidents and work efficiently and professionally to resolve issues.
• Maintain accurate ticket statuses and document troubleshooting steps, progress, resolutions, and follow-up activities in the company’s incident-management system.
• Develop and maintain positive working relationships with the user community while providing a high level of customer…