Senior Systems Engineer

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.