Senior System Administrator

Sagan Recruitment; Colombia; Remote; COP 174,352,000 - 261,528,000; Full time

Job summary

Sagan is seeking a seasoned systems administrator to support a multi-site, remote environment. You will manage networks and virtualization, troubleshoot issues, and document configurations to sustain reliable operations for international teams.

Required: 4+ years in multi-site administration, hands-on UniFi/networking and hypervisor experience (VMware, XenServer, Nutanix or SAN), plus clear English communication and technical documentation skills. This is an independent contractor role.

Qualifications

• Four or more years of systems administration experience in a multi-site environment.
• Hands-on experience in at least two of UniFi networking, hypervisors, Citrix XenServer, VMware, Nutanix, Citrix front-end or SAN.
• Strong English communication and clear technical documentation.

Responsibilities

• Administer systems across multiple locations.
• Configure and troubleshoot networks, including UniFi hardware.
• Maintain hypervisor and virtualization environments.
• Investigate infrastructure issues and coordinate resolution.
• Document system configurations and operational procedures.

Skills

Multi-site systems administration

English communication

Technical documentation

Tools

UniFi networking

VMware

Citrix XenServer

Nutanix

SAN environments

Hypervisor management

Job description

Location: Remote — Latin America and South Africa

Work Schedule: US Pacific time alignment; exact working hours confirmed during selection.

NOTE: INDEPENDENT CONTRACTOR POSITION

Company Overview

Sagan is an exclusive membership community for top executives, founders, and CEOs seeking to hire and maximize the impact of international talent. We bridge the gap between global talent and US-based businesses, connecting candidates from vibrant regions like Latin America, the Philippines, India, Pakistan, Bangladesh, and Africa with leading American companies. Sagan provides a high-performance remote work environment, ensuring access to world-class opportunities for top-tier professionals.

About the Role

Support systems across a multi-site environment, with a focus on reliable networks and virtualization. Apply practical infrastructure experience to troubleshoot issues and maintain dependable systems.

Key Responsibilities

• Administer systems across multiple locations.
• Configure and troubleshoot networks, including Ubiquiti and UniFi hardware.
• Maintain hypervisor and virtualization environments.
• Investigate infrastructure issues and coordinate resolution.
• Document system configurations and operational procedures.

Qualifications

• Four or more years of systems administration experience in a multi-site environment.
• Hands-on experience in at least two of UniFi networking, hypervisors, Citrix XenServer, VMware, Nutanix, Citrix front-end or SAN.
• Strong English communication and clear technical documentation.

Nice-to-Haves

• Expert-level UniFi networking and hypervisor experience.
• Experience with Citrix XenServer, VMware, Nutanix or SAN environments.