System Administrator

Kajae; Ciudad de México; Remote; MXN 1,671,000 - 2,228,000; Full time

Benefits offered by this job

USD salary

Remote work

Health insurance

Mental health support

Referral bonuses

Virtual events

Education credits

Summits

Job summary

Kajae is seeking a Senior Systems & Network Administrator (L2–L3) for our North American client. The role focuses on advanced systems administration, network troubleshooting, security, and infrastructure management in a fully remote setup.

The ideal candidate has 5+ years of experience, strong Windows Server and Microsoft 365 skills, and the ability to support distributed teams globally. This is a remote, full-time position with flexible hours and ongoing professional development.

Qualifications

• 5+ years in systems/network administration or related IT role.
• Experience with Windows Server environments and Microsoft 365.
• Strong Active Directory and identity management skills.
• Solid networking knowledge incl. TCP/IP, DNS, DHCP, VPNs.
• Experience with virtualization platforms like VMware/Hyper-V.
• Ability to troubleshoot complex incidents and document processes.

Responsibilities

• Administer and troubleshoot enterprise IT systems, servers, networks, and related infrastructure.
• Provide Level 2 and 3 technical support for complex issues.
• Configure and maintain Windows Server environments and services.
• Manage Microsoft 365, AD/Entra ID, and group policies.
• Configure network devices and VPNs; monitor performance.
• Maintain security posture with patching and endpoint protection.
• Document configurations, procedures, and changes; collaborate with teams.

Skills

Windows Server

Microsoft 365

Active Directory

Networking

VPN

Troubleshooting

Documentation

Tools

VMware

Hyper-V

Microsoft Entra ID

DNS/DHCP

RMM tools

Job description

Who we are:

Kajae is a premium staff augmentation company that connects top global talents to thriving US companies and clients, offering fully remote opportunities. Our team hails from over 27 different countries, with the majority coming from the Philippines and Latin America. We pride ourselves on our tight-knit culture and strong bonds, despite working remotely across diverse time zones.

Benefits you get by working for us

Competitive salary – paid in USD - Receive your compensation in US dollars, providing stability and global value for your hard work.

100% fully remote setup - Work from anywhere in the world—permanently. Enjoy the freedom and flexibility of a remote role while staying close to what matters most. No more commuting hassles, and more time for life’s important moments.

Healthy work-life balance - We prioritize your well-being. Through regular check-ins during your first few months, we offer ongoing support and career guidance. We also ensure you’re partnered with top-tier clients in a positive, healthy work environment.

Health insurance - Get covered starting your third month with us—your health and peace of mind matter.

Mental health support - Our in-house mental health professional is available to ensure you have access to the emotional and psychological support you need to thrive.

Referral bonuses - Know someone great? Refer them and earn up to USD 100 for every successful hire.

Fun virtual events - We host monthly virtual events filled with games, holiday celebrations, and exciting prizes. It’s a great way to connect and recharge as a team.

Kajae Spotlight bonus - Exceptional performance is recognized through our Kajae Spotlight program, where top performers earn cash rewards.

Kajae Tribe and rewards platform - Engage with the whole team through our internal social platform and earn coins for participating. Use them to bid in our lively auctions for prizes like AirPods, Apple Watches, Starbucks gift cards, shopping or experience vouchers, and more.

Continuing education opportunities - Access 100% free online courses through our university partners in the US. Earn academic credits that can go toward a Master’s or Graduate Degree—completely on us.

All-expense paid summits - Top performers and tenured team members may qualify to attend our exclusive annual summits. So far, we’ve held summits in Palawan, Bohol, and Boracay (Philippines), Cusco (Peru), and Punta Cana (Dominican Republic).

About the Client

Our client is a North American real estate investment and property management organization that manages residential properties and supports a geographically distributed workforce.

The company relies on secure, reliable IT infrastructure, network connectivity, and business technology systems to support its corporate operations, property management teams, and day-to-day business activities.

About the Role

Our client is seeking a Senior Systems & Network Administrator (L2–L3) to provide advanced technical support, administer IT infrastructure, maintain network reliability, and resolve complex systems and connectivity issues.

This is a hands‑on technical role requiring strong experience in systems administration, network troubleshooting, IT security, and infrastructure management. You will be responsible for supporting business‑critical technology environments, resolving escalated technical issues, and ensuring systems operate securely and efficiently.

The ideal candidate is a proactive IT professional who can independently troubleshoot complex problems, maintain infrastructure stability, implement technical improvements, and collaborate effectively with internal teams.

• Location: LATAM
• Schedule: Full-Time (40 Hours, Flexible Working Time Zone)

Responsibilities

• Administer, maintain, and troubleshoot enterprise IT systems, servers, networks, and related infrastructure.
• Provide advanced Level 2 and Level 3 technical support for complex hardware, software, systems, and network issues.
• Investigate and resolve escalated incidents involving connectivity, authentication, system performance, and infrastructure availability.
• Configure, monitor, and maintain Windows Server environments and associated infrastructure services.
• Administer Microsoft 365 environments, including user accounts, permissions, security settings, and related services.
• Manage Active Directory and Microsoft Entra ID environments, including identity management, group policies, and access controls.
• Configure and troubleshoot network infrastructure, including routers, switches, firewalls, VPNs, wireless networks, and related technologies.
• Monitor network performance, identify connectivity issues, and implement solutions to maintain reliable operations.
• Support virtualization platforms, virtual machines, and related infrastructure resources.
• Maintain system security through access management, patching, updates, endpoint protection, and established security practices.
• Monitor system health, infrastructure performance, and operational alerts to proactively identify potential issues.
• Support backup, recovery, and business continuity procedures to protect critical business systems.
• Troubleshoot DNS, DHCP, TCP/IP, VPN, routing, and other network-related issues.
• Assist with infrastructure upgrades, system migrations, network improvements, and technology implementation projects.
• Maintain accurate documentation of network configurations, system procedures, troubleshooting steps, and infrastructure changes.
• Collaborate with internal IT teams, vendors, and external service providers to resolve complex technical issues.
• Identify recurring technical problems and recommend permanent solutions to improve system reliability.
• Support remote employees and distributed business locations with advanced technical troubleshooting.
• Ensure technical incidents and service requests are appropriately documented, prioritized, and resolved.
• Recommend improvements to IT infrastructure, operational processes, system performance, and security controls.

Requirements

• 5+ years of professional experience in systems administration, network administration, infrastructure support, or a closely related IT role.
• Demonstrated experience providing advanced Level 2 and Level 3 technical support in a business or enterprise environment.
• Strong experience administering and troubleshooting Windows Server environments.
• Hands‑on experience with Microsoft 365 administration and enterprise identity management.
• Strong knowledge of Active Directory, Microsoft Entra ID, Group Policy, and user access management.
• Strong understanding of networking fundamentals, including TCP/IP, DNS, DHCP, VLANs, routing, switching, and VPN technologies.
• Experience configuring, administering, and troubleshooting network devices such as routers, switches, firewalls, and wireless access points.
• Experience diagnosing complex network connectivity, system performance, and infrastructure issues.
• Working knowledge of virtualization technologies such as VMware, Hyper‑V, or similar platforms.
• Understanding of IT security principles, including patch management, endpoint security, access controls, and network protection.
• Experience supporting backup and recovery procedures and maintaining infrastructure availability.
• Strong troubleshooting and root‑cause analysis skills with the ability to independently resolve escalated technical incidents.
• Experience using IT ticketing systems and maintaining accurate technical documentation.
• Ability to manage multiple technical priorities while maintaining service quality and meeting operational deadlines.
• Strong organizational skills, attention to detail, and commitment to infrastructure reliability.
• Highly proactive and self‑directed working style with the ability to identify and address technical issues independently.
• Excellent written and verbal English communication skills.
• Ability to communicate complex technical issues clearly to both technical and nontechnical stakeholders.
• Ability to work effectively within a remote IT environment supporting geographically distributed teams.

Bonus Experience

• Experience supporting IT infrastructure for real estate, property management, or multi‑location organizations.
• Experience administering cloud infrastructure within Microsoft Azure or AWS environments.
• Experience managing endpoint security, RMM tools, or mobile device management (MDM) platforms (e.g., Intune).
• Relevant industry certifications such as CompTIA Network+, CompTIA Security+, Cisco CCNA, or Microsoft Certified: Windows Server / Azure Administrator.