Robert Half

Senior System Engineer

Avondale, AZ • Posted 2 days ago
Hybrid Full Time Staffing and Recruiting

We are seeking an experienced Senior Systems Engineer to lead the design, administration, optimization, and support of a complex enterprise infrastructure environment. This role is responsible for ensuring the performance, security, scalability, and reliability of critical systems spanning on-premises, hybrid, and cloud-based technologies.

The ideal candidate will bring deep expertise across server infrastructure, virtualization, cloud platforms, storage solutions, identity management, and enterprise collaboration technologies. This individual will serve as a technical leader, driving infrastructure modernization initiatives while maintaining highly available and secure systems that support business operations.

What You'll Do

Infrastructure Strategy & Architecture

  • Partner with IT leadership and business stakeholders to assess current and future infrastructure needs.
  • Develop and maintain infrastructure roadmaps supporting growth, security, resiliency, and operational efficiency.
  • Create and maintain technical documentation, system architecture diagrams, procedures, asset inventories, and operational standards.
  • Contribute to disaster recovery, business continuity, and infrastructure governance initiatives.
  • Provide technical leadership, mentoring, and guidance to junior team members and cross-functional IT teams.

Systems Engineering & Deployment

  • Design, implement, and maintain enterprise server, storage, virtualization, and cloud environments.
  • Lead infrastructure upgrades, migrations, consolidations, and modernization projects.
  • Evaluate and recommend emerging technologies, platforms, and cybersecurity best practices.
  • Collaborate with technology vendors and service providers to implement and support infrastructure solutions.
  • Identify opportunities for automation, performance improvement, and operational efficiency.

Enterprise Systems Administration

  • Administer and support Windows Server and Linux environments.
  • Manage VMware vSphere, VMware Cloud Foundation, and enterprise storage platforms.
  • Support Microsoft Azure and Microsoft 365 services, including Exchange Online, Teams, and SharePoint.
  • Administer Active Directory, Microsoft Entra ID, Group Policy, DNS, DHCP, and certificate services.
  • Monitor system performance, availability, capacity, and overall infrastructure health.
  • Develop and maintain automation using PowerShell and other scripting tools.

Security, Backup & Disaster Recovery

  • Manage patching, system updates, and vulnerability remediation activities.
  • Implement and maintain infrastructure security controls, identity management, and access governance.
  • Support security audits, compliance initiatives, and cybersecurity best practices.
  • Administer backup and recovery platforms and validate disaster recovery procedures through regular testing.
  • Ensure business-critical systems meet availability, security, and recovery objectives.

Operational Support

  • Troubleshoot and resolve complex infrastructure, virtualization, storage, and cloud-related issues.
  • Maintain operational documentation and change management records.
  • Participate in an on-call rotation providing after-hours support for critical systems and services.

Required Qualifications

  • Bachelor's degree in Information Technology, Computer Science, or a related field; equivalent experience will be considered.
  • 5+ years of progressive systems engineering or infrastructure administration experience.
  • Hands-on experience supporting enterprise Windows and Linux server environments.
  • Strong expertise with virtualization technologies, including VMware vSphere and VMware Cloud Foundation.
  • Experience administering Microsoft Azure and Microsoft 365 environments.
  • Advanced knowledge of Active Directory, Microsoft Entra ID, Group Policy, DNS, DHCP, and PKI environments.
  • Experience with enterprise storage, backup, disaster recovery, and business continuity planning.
  • Strong understanding of infrastructure security, vulnerability management, patching, and system hardening.
  • Experience with PowerShell scripting and infrastructure automation.
  • Working knowledge of networking concepts including TCP/IP, VLANs, routing, switching, and firewalls.
  • Proven experience leading system upgrades, migrations, and infrastructure transformation initiatives.

Preferred Qualifications

  • Microsoft Azure Administrator Associate, Microsoft 365 Administrator Expert, or related Microsoft certifications.
  • VMware Certified Professional (VCP).
  • NetApp Certified Data Administrator (NCDA).
  • Experience with Hyper-V, Kubernetes, and containerized environments.
  • Familiarity with ITIL-based service management practices, including change, incident, and problem management.


Senior System Engineer in Avondale at Robert Half

This position is listed as full time and hybrid. It was posted 2 days ago.

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