Sr. Windows & Cloud Administrator

Job Description

Hybrid role 3X a week in office in Elk Grove, CA; no remote capabilities

Position Summary:

The Senior Systems Administrator supports the organization's hybrid infrastructure by focusing primarily on public cloud services while maintaining essential on-premises Windows Server and datacenter operations.

This role acts as a technical contributor with some leadership expectations-providing guidance, mentoring, and subject-matter expertise without full ownership of team leadership functions.

The administrator will assist in the deployment, maintenance, automation, and optimization of systems across cloud platforms (GCP) with responsibilities that include cloud service provisioning, IaC, configuration management, patching, monitoring, incident response, and participation in on-call rotations.

The role will also provide Tier-2/3 support for Windows server environments, Active Directory, virtualization platforms, and critical infrastructure services.

The ideal candidate demonstrates strong technical skills, excellent communication, and the ability to collaborate across Infrastructure, Cloud, Network, and DevOps teams.

This position emphasizes cloud engineering and operational excellence while still supporting key on-prem enterprise services.

Position Responsibilities - Other duties may be assigned:

Cloud Operations & Engineering


* Deploy, configure, maintain, and optimize cloud infrastructure resources across GCP.


* Use Infrastructure-as-Code (Terraform preferred) and version control (GitLab) to manage cloud resource provisioning and change control.


* Support cloud networking, security, IAM, VPC design, compute, storage, Kubernetes/GKE (as applicable).


* Assist with cloud cost monitoring, performance tuning, and usage reporting.

On-Prem Systems & Windows Administration


* Support and maintain Windows Server (2019+), Active Directory, DNS/DHCP, Group Policy, Linux Servers (RHEL and Ubuntu) and integration with cloud identity platforms.


* Perform server provisioning, patching, configuration, performance tuning, and incident resolution for physical and virtual environments.

Automation, Monitoring & Reliability


* Create and maintain automation scripts using PowerShell, Bash, Python, or equivalent languages.


* Monitor systems using enterprise monitoring tools (Dynatrace, GCP Cloud Monitoring/Cloud Logging, Nagios/check_mk, etc.) and respond to alerts and incidents.


* Participate in improving operational processes through automation, documentation, and standards refinement.

Operational Support & Service Management


* Provide Tier-2/3 support and collaborate closely with Infrastructure, Network, Cloud, and DevOps teams to resolve escalated issues.


* Participate in 24/7 on-call rotation, production support, and scheduled maintenance windows.


* Follow ITIL-based processes, including incident, change, and problem management.

Project Support & Cross-Team Collaboration


* Contr...