Senior Systems Engineer

Job Title: Senior Systems Engineer

Location: Hybrid, with onsite work in Jersey City, NJ;

Duration: 3 6 month contract to hire

Role overview

This person will design, implement, administer, secure, monitor, and support the client's enterprise infrastructure and cloud environments. They will serve as a senior technical resource on the infrastructure team, taking ownership of complex incidents, system improvements, and project delivery. This is a hands-on engineering role that also involves mentoring junior team members.

Key responsibilities

• Administer and troubleshoot Windows Server, Active Directory, Group Policy, DNS, DHCP, file services, and related infrastructure.
• Support Azure infrastructure, including virtual machines, networking, storage, identity integrations, and monitoring.
• Support Microsoft 365 and its integration with on-premises and cloud infrastructure.
• Maintain virtualized server environments and associated compute, storage, and networking components.
• Administer Active Directory and Microsoft Entra ID, including identity synchronization, authentication, conditional access, role-based access, and complex access issues.
• Support endpoint management, Windows device configuration and deployment, and device security standards.
• Administer enterprise backup and recovery platforms, validate restores, and participate in disaster recovery planning and testing.
• Develop PowerShell scripts to automate administration, monitoring, reporting, and other recurring tasks.
• Lead troubleshooting and root-cause analysis for infrastructure incidents, then implement corrective measures.
• Partner with Information Security on patching, hardening, vulnerability remediation, and audit documentation.
• Lead or serve as the senior technical resource on infrastructure upgrades, modernization, and cloud migration projects.
• Produce technical documentation, implementation plans, diagrams, and operating procedures; coordinate changes across IT teams and vendors.

Required experience

• Advanced hands-on Windows Server and Active Directory administration.
• Strong Azure and Microsoft 365 experience in an enterprise environment.
• Virtualized server infrastructure, enterprise backup/recovery, and disaster recovery.
• Strong PowerShell scripting and automation skills.
• Infrastructure monitoring, complex troubleshooting, and support of highly available, business-critical systems.
• Solid understanding of TCP/IP, routing, firewalls, DNS, DHCP, storage, and enterprise networking concepts.
• Ability to manage multiple priorities with limited supervision, communicate clearly, and guide other engineers.

Preferred experience

• Microsoft Intune and Azure Virtual Desktop
• VMware or comparable enterprise virtualization
• Cohesity or similar backup/recovery platforms
• ControlUp or similar infrastructure monitoring tools
• Tanium or comparable endpoint-management tools
• Microsoft, Azure, security, or virtualization certifications