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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - **Company:** Robert Half - **Location:** Avondale, AZ, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Microsoft Windows, Active Directory, Systems Engineering, Microsoft Azure, Backup Devices, Microsoft Online Services, Cloud Computing, Computer Networks, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Monitoring of Systems, Hyper-V, Identity and Access Management, IT Management, Linux System Administration, Linux Servers, Windows Servers, NetApp Applications, Routing, Public Key Infrastructure, Windows PowerShell, Azure Active Directory, Microsoft SharePoint, Systems Architecture, TCP/IP, VCloud, Virtual Local Area Networks, Virtualization Technology, VMware VSphere, Software Vulnerability Management, Backup and Restore, Scripting, Enterprise Software Applications, Cloud Platform System, Firewalls (Computer Science), Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Data Management, Vmware - **Published:** November 5, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3496664399&tx=FK7976FFQ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 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., * 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. ## Description 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.