Senior Sysadmin – Remote Latam

Pearster

Senior System Administrator managing critical infrastructure for a Canadian fintech company. Leading cloud environments and ensuring automation, reliability, scalability, and best practices.

Posted 6/4/2026full-timeRemote • 🇨🇴 ColombiaMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDNSFirewallsGoogle Cloud PlatformLinuxPythonSwitchingTCP/IPVMware

About the role

Key responsibilities & impact

Administer and maintain Windows and Linux server environments.
Manage cloud infrastructure and support modernization initiatives.
Lead system upgrades, patching, maintenance, and lifecycle management activities.
Design and implement infrastructure improvements to increase reliability and performance.
Manage identity, access, and security controls across enterprise systems.
Troubleshoot and resolve complex infrastructure, networking, and application issues.
Develop and maintain automation scripts and operational tools.
Support backup, disaster recovery, and business continuity processes.
Monitor system health and proactively address risks and performance concerns.
Create and maintain technical documentation and operational procedures.
Collaborate with Security, Development, DevOps, and IT teams on infrastructure initiatives.
Mentor junior and mid-level administrators and provide technical guidance.
Participate in incident response and on-call support rotations when required.

Requirements

What you’ll need

5+ years of experience as a System Administrator, Infrastructure Administrator, or similar role.
Strong experience administering both Windows Server and Linux environments.
Strong knowledge of networking concepts, including: DNS, DHCP, VPN, TCP/IP, Routing and Switching, Firewalls.
Experience managing Microsoft 365 environments.
Strong experience with Active Directory, identity management, and access control.
Hands-on experience with cloud platforms such as: AWS, Azure, GCP.
Experience managing virtualized environments: VMware, Hyper-V.
Experience implementing and maintaining backup and disaster recovery solutions.
Strong troubleshooting, root cause analysis, and problem-solving skills.
Experience creating automation scripts using: PowerShell, Bash, Python.
Strong English communication skills.

Benefits

Comp & perks

Work from anywhere with true flexibility and freedom.
Earn in USD with compensation that matches your expertise.
Recharge confidently with dedicated paid time off.
Advance your career with fully covered international certifications.
Access coworking spaces worldwide whenever you want a professional setup.
Strengthen your English and expand your global reach.
Connect and have fun with activities that unite our international team.
Feel appreciated with personalized gifts and a thoughtful welcome kit.
Grow our community and earn through our referral program.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Windows ServerLinuxNetworkingDNSDHCPVPNTCP/IPRoutingSwitchingFirewalls

Soft Skills

troubleshootingroot cause analysisproblem-solvingcommunicationmentoring