Job description

Company Description Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, and Enterprise Transformation. Role: Senior System Administrator – Azure, Exchange & Active Directory Location: 2 Broadway New York, NY, 10004 (5 Days onsite) Job Type: Contract Job Summary: We are looking for a Senior System Administrator with proven experience designing, implementing, and supporting enterprise-scale hybrid cloud and on-premises environments. The ideal candidate will have deep expertise in Microsoft Azure, Exchange, Active Directory, and automation scripting, along with experience supporting complex multi-forest, hybrid infrastructures in production environments. Key Responsibilities • Design, implement, and maintain hybrid Azure/on-premises infrastructure. • Administer and support enterprise Exchange and Active Directory environments. • Lead cloud migration and infrastructure modernization initiatives. • Troubleshoot complex enterprise client-server environments. • Develop automation scripts and optimize Azure resources. • Support enterprise infrastructure projects and mentor junior technical staff. Required Qualifications • Microsoft Azure – 10+ years (Microsoft Certification preferred). • Microsoft Exchange – Hybrid & Multi-Org enterprise environments. • Microsoft Active Directory – Multi-Forest Hybrid administration. • PowerShell / Unix Shell Scripting. • Windows Server & Unix/Linux Administration. • Microsoft Entra Connect, SCCM, ExpressRoute. • DNS, PKI, Group Policy, SQL Server. • Enterprise Infrastructure Design, Solution Architecture & Cloud Migrations. Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status.

Requirements

Must-haves

Company Description
Role: Senior System Administrator – Azure, Exchange & Active Directory
Location: 2 Broadway New York, NY, 10004 (5 Days onsite)
Job Type: Contract
Design, implement, and maintain hybrid Azure/on-premises infrastructure.
Administer and support enterprise Exchange and Active Directory environments.
Lead cloud migration and infrastructure modernization initiatives.
Troubleshoot complex enterprise client-server environments.
Develop automation scripts and optimize Azure resources.
Support enterprise infrastructure projects and mentor junior technical staff.
Microsoft Exchange – Hybrid & Multi-Org enterprise environments.
Microsoft Active Directory – Multi-Forest Hybrid administration.
PowerShell / Unix Shell Scripting.
Windows Server & Unix/Linux Administration.
Microsoft Entra Connect, SCCM, ExpressRoute.
DNS, PKI, Group Policy, SQL Server.
Enterprise Infrastructure Design, Solution Architecture & Cloud Migrations.
Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status.

Nice-to-haves

Microsoft Azure – 10+ years (Microsoft Certification preferred).

Application prep

Use the role’s language and application details while tailoring your materials.

Keywords to mirror

azuresql

Platform: jobdiva
Effort: medium