Denken Solutions Inc is an IT company with 15 years of experience with offices at California, Canada, India and Mexico, providing IT solutions in the United States.
The role is 100% remote from any location in Mexico.
The client is located in the United States, so a fluent English level is required.
Hiring:Prestador de Servicios (Se solicitará factura timbrada por el SAT/ RESICO, Persona Física con Actividades Empresariales, etc)
Labor Days:Mon- Fri from 8:00 AM to 5:00 PM PST
Salary:Up to $45,000 MXN gross
We are seeking an experienced Windows Systems Administrator to manage, monitor, and maintain our IT infrastructure. This role is critical to ensuring high availability, security, and performance across all systems, servers, and network components. You will work closely with management to maintain best practices,troubleshoot issues, and lead system upgrades and improvements.
Key Skills Active Directory
Implementation of tiered security and GPOs
Failover clustering
System Center components;
High availability firewall and switch management;
IT component monitoring;
IT component testing;
Troubleshooting
Key Responsibilities Policies and Procedures Follow policies, procedures, and industry best practices;
Develop new procedures as necessary.
Document all steps for review and approval by management.
Systems & Server Management Manage all host servers running Windows Server 2025 Datacenter
Manage and maintain all virtual machines (currently Windows Server 2019)
Plan and execute upgrades of VM servers to Windows Server 2026;
Install, configure, test, and maintain operating systems, application software, and system management tools;
Ensure high availability, reliability, and performance of systems and infrastructure;
Develop, document, and implement a Zero-Trust Architecture plan, including security groups, OUs, GPOs, and user accounts.
Virtualization & Microsoft Stack Install, configure,



and manage Windows System Center tools (SCVMM,SCCM, etc.)
Install, configure, and manage RDS;
Build, manage, and deploy VM server templates;
Monitor system performance and perform proactive maintenance
Active Directory Implement and Manage a tiered zero-trust architecture;
Manage Active Directory, security groups, and OUs;
Create, maintain, and enforce Group Policies (GPOs);
Implement and manage permissions bas on GPOs;
Implement security best practices;
Networking & Infrastructure Manage network infrastructure including switches, firewalls, and routers;
Troubleshoot network and server-related issues;
Ensure proper documentation of network.
Automation Develop Powershell scripts to automate tasks and integrate with internalsystems;
Build procedures which utilize scripts.
Troubleshooting Investigate, troubleshoot, and resolve complex technical problems;
Perform root cause analysis for production issues.
Skills Must have 3+years of experience in Proven experience as a System Administrator, Network Administrator, or similar role
Must have 3+ years of experience in Strong hands-on experience with Windows Server 2012/ 2016/2019
Must have 2+ years of experience in Experience managing virtualized environments
Must have 3+ years of experience in Solid understanding of networking, databases, and system security
Must have 3+ years of experience in Experience with backup and disaster recovery
Must have 3+ years of experience in Scripting experience (Python, Perl, PowerShell, or similar)
Must have 3+ years of experience in Strong problem-solving skills and attention to detail
Must have 3+ years of experience in Strong communication skills (able to explain technical concepts to non-technical users)
Strong experience with large-scale infrastructure or enterprise environments
Strong experience leading server upgrades and migrations
Nice to have knowledge in Microsoft certifications (MCSA or equivalent)

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📌 Windows Systems Administrator (Nezahualcóyotl)
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