SeniorSystemsAdministrator

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IT Operations Regular Full-Time Albuquerque, NM, US

Senior IT Infrastructure & Operations Engineer

The Opportunity

We are seeking a hands-on Senior IT Infrastructure & Operations Engineer to support reliable, secure, and scalable technology services across its subsidiaries and locations. This position combines enterprise systems administration, network operations, identity and access management, and infrastructure security. The engineer will resolve complex operational issues, support infrastructure improvements, and collaborate with Service Desk, Cybersecurity, GRC, business stakeholders, and corporate IT leadership.

What You Will Do

• Administer and troubleshoot Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Microsoft Entra , 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.

Required Qualifications

• 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  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…