Senior Systems & Cloud Administrator

Microbac

$100K — $120K *
US-AnywhereRemote in United States
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in IT, Computer Science, Engineering, or equivalent experience/certifications.
  • 10+ years of experience in systems or cloud administration.
  • Strong experience with Microsoft 365, Entra ID, Active Directory, and Intune.
  • Experience with Microsoft Azure, VMware, ESXi, and disaster recovery technologies.
  • Working knowledge of enterprise networking (VLANs, VPNs, firewalls).
  • Experience in distributed or multi-site environments.
  • PowerShell or automation experience preferred.

Responsibilities

  • Administer and support Microsoft 365 services and identity management.
  • Manage Windows Server infrastructure and virtualization platforms.
  • Monitor and troubleshoot cloud, server, and endpoint systems.
  • Lead infrastructure projects from planning to implementation.
  • Perform root-cause analysis for recurring issues and recommend solutions.
  • Support compliance requirements and incident response activities.
  • Maintain documentation and configuration standards for IT systems.

Benefits

  • Flexible remote working options with acceptable home internet.
  • Moderate noise level in working environment.
  • Limited travel requirements, under 20%.
  • Drug-free and alcohol-free workplace culture.
  • Potential teamwork and knowledge-sharing opportunities.
Full Job Description


JOB SUMMARY

The Senior Systems & Cloud Administrator is responsible for supporting, maintaining, and improving the organization's cloud, server, identity, virtualization, endpoint management, storage, and backup environments. Reporting to the IT Manager, this role serves as a senior technical resource for complex infrastructure issues, projects, and system improvements across multiple locations.

Microsoft Cloud and Identity
  • Administer Microsoft 365 services, including Exchange Online, Teams, SharePoint Online, OneDrive, and licensing.
  • Manage Microsoft Entra ID and Active Directory, including users, groups, administrative roles, enterprise applications, and identity synchronization.
  • Configure and maintain Conditional Access, multifactor authentication, and identity security controls.
  • Administer Microsoft Intune, including device enrollment, application deployment, configuration profiles, compliance policies, and endpoint security.
  • Support Microsoft Azure resources and hybrid cloud integrations.
  • Assist with cloud migrations and modernization initiatives.

Server, Virtualization, and Storage
  • Administer Windows Server, Group Policy, DNS, DHCP, file services, and related infrastructure.
  • Manage VMware vSphere, ESXi, Hyper-V, and other virtualization platforms.
  • Provision, monitor, patch, troubleshoot, upgrade, and migrate physical and virtual servers.
  • Monitor system performance, availability, capacity, and lifecycle requirements.
  • Support SAN, NAS, and cloud-based storage platforms.
  • Administer backup and replication systems and participate in disaster recovery testing.

Infrastructure Operations and Security
  • Serve as a senior escalation point for cloud, server, identity, endpoint, and infrastructure issues.
  • Support vulnerability remediation, system hardening, patch management, and security initiatives.
  • Troubleshoot network-related issues involving VLANs, VPNs, firewalls, wireless, routing, switching, and WAN connectivity.
  • Assist with site connectivity, network changes, infrastructure upgrades, and equipment deployments.
  • Coordinate with vendors, consultants, managed service providers, and internet service providers.
  • Support audits, compliance requirements, and incident response activities.

Projects and Documentation
  • Lead or participate in infrastructure projects from planning through implementation.
  • Support acquisitions, new site deployments, system migrations, and technology standardization.
  • Perform root-cause analysis and recommend long-term solutions for recurring issues.
  • Maintain system documentation, diagrams, configuration standards, and support procedures.
  • Provide technical guidance and knowledge-sharing to other IT team members.
  • Evaluate technology solutions and make recommendations to the IT Manager.

Minimum Requirements & Qualifications:
  • Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, equivalent professional experience or certifications.
  • 10+ years of experience in systems administration, cloud administration, or infrastructure support.
  • Strong experience with Microsoft 365, Microsoft Entra ID, Active Directory, Microsoft Intune, Conditional Access, and Windows Server.
  • Experience with Microsoft Azure, VMware, ESXi, Hyper-V, enterprise storage, backup, and disaster recovery technologies.
  • Working knowledge of enterprise networking, including VLANs, VPNs, firewalls, routing, switching, and wireless technologies.
  • Experience supporting distributed or multi-site environments.
  • PowerShell or automation experience is preferred.
  • Strong troubleshooting, documentation, communication, and project execution skills.


WORKING CONDITIONS AND PHYSICAL REQUIREMENTS

The physical demands and working conditions described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Physical Requirements:
  • While performing the duties of this job, the employee is regularly required to use hands to finger, handle, or feel objects, tools; talk or hear. The employee is occasionally required to stand, walk, and sit.
  • The employee must occassionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include color vision and depth perception.

Working Conditions:
  • Home internet acceptable for remote computer work.
  • The noise level in the work environment is usually moderate.
  • This job may require travel less than 20%


OTHER:

This job description is not an exhaustive list of all duties an employee may be required to perform. Microbac reserves the right to revise the job description at any time.

Employment is at-will. Microbac, promotes a drug-free, alcohol-free workplace. Applicants considered for hire must pass a drug test before beginning work. Refusal to submit to testing will result in disqualification of further employment consideration.

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