Senior Systems Engineer

We are seeking a highly skilled Senior Systems Engineer to support the design, implementation, administration, modernization, and sustainment of complex enterprise server and computing environments.

The ideal candidate will possess extensive hands‑on experience with Microsoft Windows Server, Active Directory, VMware virtualization technologies, enterprise storage systems, backup and recovery solutions, and core infrastructure services.

The successful candidate must demonstrate advanced technical proficiency in Windows Server administration, Active Directory Domain Services (AD DS), Group Policy, DNS, DHCP, Active Directory Certificate Services (AD CS), VMware vSphere, ESXi, vCenter Server, and enterprise storage technologies.

This position requires an engineer capable of independently designing, deploying, configuring, administering, securing, and troubleshooting complex physical and virtual server infrastructure while ensuring system availability, performance, reliability, and operational continuity.

• Design, deploy, configure, maintain, and troubleshoot Microsoft Windows Server environments.
• Administer Windows Server 2019, 2022, 2025, and supported enterprise server operating systems.
• Deploy, configure, and maintain Active Directory Domain Services, including domain controllers, organizational units, forests, trusts, and replication.
• Design, implement, and administer Group Policy Objects (GPOs) and enterprise configuration policies.
• Configure, administer, and troubleshoot DNS, DHCP, DFS, SMB file services, and Windows infrastructure services.
• Manage Active Directory Certificate Services, including enterprise certificate authorities, certificate templates, certificate enrollment, renewal, revocation, and certificate lifecycle management.
• Troubleshoot Kerberos, LDAP, authentication, authorization, and domain-related issues.
• Perform Windows Server upgrades, patch management, security hardening, and lifecycle maintenance.
• Maintain system configurations, administrative access controls, and operational documentation.

• Design, deploy, configure, maintain, and troubleshoot VMware vSphere virtualization environments.
• Install, administer, and upgrade VMware ESXi hypervisors and vCenter Server appliances.
• Configure and manage VMware clusters, High Availability (HA), Distributed Resource Scheduler (DRS), resource pools, and virtual machine lifecycle operations.
• Administer vMotion, Storage vMotion, virtual machine templates, snapshots, and provisioning.
• Implement, administer, and troubleshoot VMware vSAN storage clusters.
• Configure and maintain virtual machine storage policies, capacity management, performance optimization, and cluster health.
• Support VMware lifecycle management, host upgrades, firmware compatibility, and infrastructure modernization.
• Diagnose and resolve complex virtualization performance issues, hypervisor failures, and virtual machine availability problems.
• Perform infrastructure capacity planning, resource optimization, and hardware refresh activities.
• Configure, administer, maintain, and troubleshoot enterprise storage systems, including Pure Storage Flash Array.
• Provision and manage storage volumes, LUNs, file systems, data stores, and storage access permissions.
• Support enterprise storage technologies, including SAN, NAS, Fibre Channel, iSCSI, NFS, and SMB.
• Configure and manage storage snapshots, replication, capacity utilization, and performance monitoring.
• Integrate enterprise storage platforms with Windows Server and VMware virtualization environments.
• Diagnose and resolve storage availability, performance, capacity, and data access issues.
• Support enterprise storage upgrades, migrations, and technology refresh activities.

• Administer enterprise backup and recovery solutions, including Cohesity.
• Configure and maintain backup jobs, retention policies, protection groups, and recovery schedules.
• Monitor backup infrastructure health, job execution, capacity utilization, and protection coverage.
• Perform file-level, virtual machine, and system recovery operations.
• Develop and maintain documented backup and disaster recovery procedures.
• Conduct periodic restoration testing to validate data integrity and system recoverability.
• Support disaster recovery planning, business continuity…