Senior Systems Administrator – Windows / Linux

Senior Systems Administrator – Windows / Linux

Requirements

• Minimum of 5 years of experience in Systems Administration managing Windows administration (additional experience managing Linux operating systems is a plus) in an enterprise environment.
• Experience with VMware and vCenter.
• Experience with performance monitoring and logging tools – Nagios, SolarWinds, Splunk, Etc.
• Experience with datacenter platform hardware – Dell, HPE blade chassis and servers.
• Experience with enterprise SAN storage solutions.
• Ability to effectively interact with all levels of business via phone, written communication, and in person.
• Team collaboration, responsiveness, ability to multitask.
• Strong sense of urgency, ability to set priorities and perform the job with little guidance.
• Bachelor’s Degree or relevant work experience.

Responsibilities

• Provides technical support to internal staff in support of client payment infrastructure within a collaborative and positive working environment interacting with team members at all levels.
• Handles day-to-day VMware vSphere operational tasks including but not limited to: Performance analysis of overall system health, Disk and Network management, configuration, and troubleshooting, apply software updates and deploy new systems, troubleshooting performance or configuration issues on virtualization platform hardware.
• Train and mentor junior IT staff members to ensure they have the necessary skills to effectively manage IT systems, and to keep up with technological advancements.
• Windows OS installation and configuration.
• Linux OS (RHEL) installation and configuration.
• Database administration with MS SQL / Postgres.
• Utilizes a variety of technology tools and procedures to respond and resolve internal and external customer issues.
• Ensure that all incident tickets and change records are fully documented, planned, resolved, and executed on time and per the expectations and within the agreed Service Level Agreement (SLA).
• Design and implement upgrades, new systems, and software applications to meet changing business needs, in collaboration with other IT professionals and departments.
• Help create and maintain KB process documentation for change management planning and troubleshooting purposes.
• Ensure that Payments Infrastructure is healthy, stable, documented, and configured with accepted technical best practices.
• Develop and implement backup and recovery procedures to protect critical information in the event of system failure.
• Manage incident/task workflow, prioritize requests, and maintain transparent communication.
• Participate in an on-call rotation.

Preferred Qualifications

• MSSQL or PostgresDB management experience preferred
• Enterprise infrastructure experience
• Payments infrastructure experience
• VMware – VMware Certified Technical Associate(VCTA), VMware Certified Professional(VCP) or higher preferred
• Windows – Windows Server Hybrid Administrator Associate
• MSSQL – Azure Database Administrator Associate
• RHEL – Red Hat Certified System Administrator, Red Hat Certified Engineer preferred