Direct message the job poster from TESYS NETWORKS

Business Operations and Human Resources Manager @ TESYS NETWORKS | BBA

Position Overview

TESYS Networks is seeking a skilled and proactive Systems Administrator to join our Managed Services Provider (MSP) team. In this role, you will be responsible for the day-to-day administration, support, and maintenance of client systems across diverse environments. You will work closely with our service desk, NOC, and engineering teams to ensure server stability, security, and performance while delivering an exceptional support experience to our clients.

The adecuado candidate will have a strong background in Microsoft server environments, virtualization platforms, and cloud infrastructure. This is a hands-on technical role that requires solid troubleshooting skills, attention to detail, and the ability to manage multiple clients and tasks in a fast-paced MSP environment.

Key Responsibilities

- Manage and support client Windows Server environments
- Perform patch management, system upgrades, and ongoing server maintenance
- Deploy, configure, and monitor virtual environments (VMware, Hyper-V)
- Administer Active Directory, DNS, DHCP, Group Policy, and file services
- Troubleshoot complex server, network, and infrastructure issues
- Participate in onboarding new clients, including server documentation and assessments
- Implement backup and disaster recovery solutions
- Assist with cloud-based infrastructure (Microsoft Azure, Office 365)
- Collaborate with Service Desk (Connectwise) and NOC teams to resolve escalated tickets
- Create and maintain system documentation and client infrastructure diagrams
- Participate in on-call rotations for after-hours emergency support

Required Qualifications

- 3+ years of experience in a server engineering or systems administration role




- Deep understanding of Microsoft server technologies and services
- Experience with scripting (PowerShell)
- Proficiency in virtualization technologies (VMware vSphere, Microsoft Hyper-V)
- Experience working within an MSP or fast-paced client service environment
- Familiarity with remote monitoring and management (RMM) platforms
- Strong problem-solving skills and attention to detail
- Excellent written and verbal communication skills
- Ability to manage multiple clients and prioritize tasks effectively

Preferred Qualifications

- Microsoft certifications
- VMware VCP or related certifications
- Foundational Networking knowledge.
- Exposure to automation and monitoring tools (ConnectWise, N-able)
- Experience with Microsoft 365 tenant administration
- Familiarity with storage technologies (SAN/NAS)
- Work on Site, Hybrid or Remote
- Monday to Friday 8am to 5pm EST
- Shift Rotation 24x7 364 days and must participate in On Call Rotations.
- Salary Range $2400.00 - $2700.00 USD a Monthly
- Vacation/PTO paid
- Holiday paid

How to Apply

Please send your resume and a cover letter to [email protected] with the subject line “System Administrator Engineer Application.

We look forward to reviewing your application!

Seniority level

- Seniority level

Mid-Senior level

Employment type

- Employment type

Full-time

Job function

- Job function

Information Technology, Engineering, and Customer Service
- Industries

IT Services and IT Consulting, IT System Operations and Maintenance, and Computer and Network Security

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📌 System Administrator (Medellín)
🏢 Tesys Networks
📍 Medellín