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# Senior Systems Administrator

- **Company:** Rio Grande Co.
- **Location:** Albuquerque, NM, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Software System Penetration Testing, User Authentication, CompTIA Network+, Cyber Security, Data Centers, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Monitoring of Systems, Hyper-V, Identity and Access Management, Virtual Private Networks (VPN), Log Analysis, Microsoft Software, Windows Servers, Routing, Windows PowerShell, Role-Based Access Control, Azure Active Directory, Security Information and Event Management, Software Deployment, TCP/IP, Virtual Local Area Networks, Virtual Machines, Virtualization Technology, Software Vulnerability Management, Wide Area Networks, Enterprise Software Applications, ARUBA, Firewalls (Computer Science), Information Technology, Wireless Technologies, Fortinet, Splunk, Cisco, Qualys, Vmware
- **Published:** October 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=43f8a87da77ddd12

## About the Role

* At least 5 years of hands-on experience in enterprise systems, network, or infrastructure administration.
 * Strong experience with Windows Server, Active Directory, Group Policy, DNS, DHCP, and Microsoft 365; working knowledge of Entra ID and hybrid identity.

 * Practical knowledge of enterprise networking, including TCP/IP, switching, routing, wireless, VPNs, and firewalls.
 * Experience supporting virtualization, infrastructure monitoring, patching, troubleshooting, and security remediation.
 * Understanding of identity and access management, endpoint protection, least privilege, authentication, and security controls.
 * Ability to independently diagnose complex technical issues, prioritize work, document resolutions, and collaborate across multiple locations.
 * Clear communication skills and the ability to work effectively with Service Desk, IT infrastructure, Cybersecurity, GRC, and business teams.

Preferred Qualifications

 * Experience with Fortinet, Cisco, and Aruba networking or wireless technologies.
 * Experience with VMware, Hyper-V, enterprise backup and recovery, and physical data center operations.
 * Familiarity with Splunk or other SIEM tools, CrowdStrike or other EDR tools, and vulnerability management platforms such as Qualys.
 * PowerShell scripting and automation experience; endpoint management, software deployment, or mobile device management experience.
 * Experience supporting audits, user access reviews, PCI-related controls, penetration testing, or multi-site enterprise environments.
 * Bachelor's degree in an IT-related discipline or equivalent combination of education, training, and experience; relevant Microsoft, Cisco, Fortinet, CompTIA Network+, or Security+ certifications.

## Description

* Administer and troubleshoot Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Microsoft Entra ID, and hybrid identity services.
 * Support enterprise networking, including switching, routing, wireless, VLANs, WAN connectivity, VPNs, firewalls, and network performance and security monitoring.
 * Manage virtualization environments, including VMware and/or Hyper-V, virtual machine provisioning, capacity, maintenance, and operational health; support physical data center infrastructure.
 * Oversee identity and access operations, including onboarding/offboarding, authentication issues, security groups, permissions, MFA, and approved access changes.
 * Coordinate server and endpoint patching, vulnerability remediation, system hardening, security monitoring, and incident response with Cybersecurity and other technical teams.
 * Analyze logs, events, and SIEM/endpoint security alerts to identify operational or security issues requiring action.
 * Support backups, recovery, disaster recovery readiness, and infrastructure availability across multiple sites.
 * Act as an escalation resource for Service Desk teams; troubleshoot complex incidents, improve ticket documentation, and ensure appropriate routing and follow-through.
 * Partner with GRC and business owners on user access reviews, audit evidence, configuration validation, and remediation tracking.
 * Plan and execute infrastructure upgrades, implementations, testing, and cross-site projects; maintain accurate technical procedures and documentation.
 * Collaborate with internal teams and vendors; communicate technical risks, priorities, and status to technical and nontechnical stakeholders.
 * Participate in limited on-call or after-hours support for critical incidents and scheduled maintenance; travel periodically to company locations as needed., This is an individual-contributor role supporting multiple business locations. Depending on the assigned facility, work may involve data center or manufacturing environments and require appropriate safety practices or personal protective equipment. Specific work location, travel expectations, compensation, and benefits will be confirmed for the final posting.

Standard Business Hours Monday-Friday with Hybrid options