Sr. Systems Engineer

Willkie Farr & Gallagher LLP•New York, NY

28d•$170,000 - $180,000•Onsite

About The Position

The New York office of Willkie Farr & Gallagher LLP is looking for a Senior Systems Engineer to support the Information Technology Department. Willkie is an elite international law firm of approximately 1,300 lawyers located in 16 offices in six countries. The ideal candidate will have a minimum of five years’ experience to be a part of our Infrastructure & Security team working out of our New York office. The Senior Systems Engineer will be responsible for configuring and maintaining virtual networking, administering System Center Virtual Machine Manager (SCVMM), and architect and manage Microsoft Hyper-V clusters. The ideal candidate will combine deep technical expertise with a strong understanding of security, compliance, and user experience in a legal or highly regulated environment. At Willkie, we believe great people are the key to our success. As such, we are offering a highly competitive compensation package with exceptional benefits. If you are looking to work in a friendly, collaborative environment that affords unique opportunities to expand your professional development, this role is for you.

Requirements

5+ years of experience in Windows infrastructure engineering or architecture role
Deep hands-on expertise with Microsoft Hyper-V in clustered, production environments (mandatory)
Strong working knowledge of Active Directory, DNS, DHCP, and Windows Server administration
Experience with Microsoft Entra ID and hybrid identity architectures
Solid understanding of networking fundamentals (TCP/IP, VLANs, routing, firewall rules)
Experience working in enterprise environments with a strong change management discipline
Excellent written and verbal communication skills; able to document complex systems clearly
Experience deploying and managing Guardicore Centra for network micro-segmentation and east-west traffic control

Responsibilities

Architect and manage Microsoft Hyper-V clusters including live migration, failover clustering, and storage spaces direct (S2D)
Administer System Center Virtual Machine Manager (SCVMM) for Hyper-V host management/logical networks/VM Provisioning and cluster lifecycle operations.
Configure and maintain virtual networking including VM switches, VLANs, QoS, and SR-IOV
Manage VM lifecycle including provisioning, snapshotting, backup integration, and decommissioning
Performance-tune Hyper-V hosts and resolve complex hypervisor-level issues
Implement Hyper-V replica for disaster recovery and business continuity
Convert servers from VMware to Hyper-V
Build and maintain server OS images
Develop and maintain PowerShell automation to streamline infrastructure provisioning, operational workflow, health monitoring, reporting, and platform maintenance
Administer and maintain Cisco Intersight for server lifecycle management, policy-based configuration, and UCS infrastructure health
Ability to build and assign Cisco IMM domain and server profiles, policies, as well as manage firmware upgrades
Design, administer, and maintain Active Directory domains, forests, and trusts across multi-site environments
Manage Group Policy Objects (GPOs) for security baselines, software deployment, and environment configuration
Design and implement Role-Based Access Control (RBAC) models aligned to least-privilege principles
Perform AD health monitoring, replication troubleshooting, and schema management
Implement and enforce AD tiering models and privileged access workstation (PAW) strategies
Administer enterprise-grade DHCP infrastructure including scope management, failover, and high availability configurations
Manage internal and external DNS zones, records, and conditional forwarding across hybrid environments
Troubleshoot name resolution and IP address allocation issues across complex multi-VLAN networks
Manage hybrid identity scenarios including Entra Connect sync, pass-through authentication, and seamless SSO
Administer, maintain, and troubleshoot enterprise storage platforms including Pure Storage, NetApp, and Dell EMC Unity to ensure high availability, optimal performance, and reliable data access across production environments.
Perform storage provisioning, capacity planning, firmware upgrades, and performance monitoring while supporting incident resolution and collaborating with infrastructure teams on backup, disaster recovery, and system integrations.