Senior System Administrator - Azure, Exchange & Active Directory
Lumen Solutions Group Inc.
Senior System Administrator – Azure, Exchange & Active Directory 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. Location: 2 Broadway New York, NY, 10004 (5 Days onsite) 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. Lumen Solutions Group Inc.
- ...environment awaits a highly skilled Systems Administrator. This role offers a chance... ...and collaborate with senior stakeholders to ensure... ...Microsoft Entra ID / Azure Active Directory, managing user accounts, permissions... ...Microsoft 365 and Exchange Online, managing mailboxes...SeniorFull timeRemote work
The Phoenix Group
New York, NY17 hours ago - ...IT Manager / Senior Systems Administrator Leading Global Hedge Fund | NYC or CT... ...Responsibilities Manage Active Directory, Entra ID, service accounts... ...Administer Microsoft 365, Exchange Online, Teams, SharePoint,... ...experience. AWS/Azure, Ansible, eDiscovery, Bloomberg...SeniorFull timeRemote work
Cleartech Recruiting
New York, NY2 days ago $160k - $180k
...YorkHybridFull Time$160k - $180kJob Title: Senior Systems AdministratorLocation: New York,... ...operations.As the Senior Systems Administrator, you will step in as a hands-on... ...Server components, including Active Directory, Entra ID (Azure AD), Group Policy, DNS, DHCP, DFS,...SeniorWork at officeVisa sponsorshipFlexible hoursMotion Recruitment
New York, NY4 days ago- Motion Recruitment Partners in New York, NY is seeking a Senior Systems Administrator to own day-to-day IT operations in a fast-paced financial services... ...cloud infrastructure across Windows and Linux, including Azure and M365, while maintaining strong security and...Senior
$115k - $125k
...Senior System Administrator (MSP Projects) Location: New York City, NY Work Model: Client facing... ...and handoff • Lead Microsoft 365, Azure, Windows Server, and cloud migration... ...Microsoft 365, Azure, Windows Server, Active Directory, Entra ID, Intune, and SharePoint...SeniorFull timeWork at officeBowman Williams
New York, NY17 hours ago$115k
...Role Overview The Systems Administrator is a senior-level technical expert responsible for maintaining... ...configure Microsoft Entra ID / Azure Active Directory, managing user accounts, permissions... ...and troubleshoot Microsoft 365 and Exchange Online, managing mailboxes,...Remote workThe Phoenix Group
New York, NY17 hours ago$105.4k - $207.8k
...1/2026. Work you'll do As a Senior Engineering Management Specialist... ...be responsible for: Leading Active Directory and identity infrastructure... ...and Services, Domain Name System (DNS), Dynamic Host... ...authentication protocols, and administrative processes.Designing and implementing...SeniorWork experience placementLocal areaVisa sponsorshipDeloitte
New York, NY1 day ago$95k - $108k
...Senior Linux AdministratorConcept Solutions is seeking... ...a Senior Linux Administrator to support the FAA's... ...responsible for Linux systems administration, OS lifecycle... ...• Support Linux Active Directory integration, FreeIPA... ...Provision and manage AWS/Azure cloud services...SeniorFlexible hours3 days per weekConceptSolutions
Atlantic City, NJ2 days ago- ...identity services, the full-time remote Systems Administrator II will manage AWS and GCP... ...administration and support, including Exchange Online and Teams Required... ...Working knowledge of Microsoft Entra ID/Azure AD and Active Directory Experience with Microsoft 365 and...Full timeRemote work
$60.57k - $70k
...combines hands‑on administration with customer... ...work, and improve system performance. Owns... ...Demonstrates and actively promotes an understanding... ...; Microsoft Azure and Microsoft 365... ...versions; Active Directory Domain Services;... ...administration, including Exchange Online, Teams,...ApprenticeshipWork at officeLocal area- JOB SUMMARY Senior Systems Administrator with extensive enterprise-level experience... ...and maintaining hybrid Azure/on-premises systems. Designing... ...and supporting hybrid Exchange environments. Developing computerized... .... Supporting enterprise Active Directory, Azure, Windows Server,...Flexible hours
$68.58k - $80.01k
ZGF is seeking a System Administrator to join our team in our New York Cityoffice. This role... ...health of all systems including Active Directory, M365, Azure, Entra ID, storage, virtualization,... ...services such as Teams, O365, Intune, Exchange Online, SharePoint Online, and...Work at officeWeekend work- ...THRIVE! Position Overview System Administratorsprovide... ...participating in change management activities. Monitor and manage... ...Windows Server, Active Directory, Azure AD/Entra, Exchange/M365 admin, Intune, and... ...Microsoft Certified: Azure Administrator (AZ-104) or Microsoft 365...Permanent employmentRemote workWeekday work
- Oliver Bernard seeks a Senior Desktop Engineering Lead for its trading clients in New York. The role leads the... ...hundreds of users in a Windows environment across Exchange/Outlook, Office 365, Azure and Active Directory, and act as the focal point for the engineering team...SeniorWork at office
- ...role supporting senior leadership and trading... ..., SharePoint), Exchange, GlobalProtect,... ...X1 laptops, Azure Virtual Desktop... ...Partner closely with systems, network, and application... ...Virtual Desktop, Active Directory, Group Policy,... ...~ SCCM administration, automation scripting...SeniorRemote work
The Princeton Group
New York, NY22 days ago - ...including Microsoft 365, Windows systems, mobile devices,... ...Assist with Microsoft 365 administration, including Exchange Online, Teams, SharePoint... ...management solutions, including Active Directory and Microsoft Entra ID... ...with Microsoft Azure and Entra ID Experience...Full timeRemote work
Robert Half
New York, NY17 hours ago $80k - $100k
...Specialist American Exchange Group (AXNY Group)... ...in Microsoft 365 administration, comfortable... ...remote via ticketing system, phone, chat, and... ...OneDrive, and Entra ID (Azure AD) user/group/... ...coordination with senior IT staff... ...strong plus — we're actively rolling out AI initiatives...SeniorFull timeSummer workWork at officeRemote workMonday to FridayFlexible hoursAmerican Exchange Group
New York, NY20 days ago- ...infrastructure. This role involves the administration, maintenance, monitoring, and support... ...Server environments, enterprise storage systems, backup platforms, and related... ...migrations, and lifecycle management. Manage Active Directory related server services, including DNS...SeniorHourly pay
- ...Senior Virtual Desktop Engineer Location: New York... ..., and optimize Azure Virtual Desktop (AVD)... ...Provide day-to-day administration and advanced troubleshooting... ...and other after-hours activities when required. Provide... ...environments, Active Directory, Group Policy, Intune,...SeniorPermanent employmentFull time2 days per week3 days per week
Gotham Technology Group
New York, NY4 days ago - ...Job Description Job Description Relativity Senior Systems Administrator Employment Type: Full Time Department: Legal/IT We are seeking... ...health, performance, completed projects and planned activities. - Selectee will work with the IT leadership supporting...SeniorFull timeWork at officeFlexible hours
- ...System AdministratorInfoTrack is a platform that seamlessly connects... ..., join us.As a System Administrator at InfoTrack, you will be responsible... ...including Microsoft 365, Active Directory, and our cloud... ...infrastructure, including our Microsoft Azure cloud...Work at office3 days per week
InfoTrack US
New York, NY4 days ago $110k - $145k
...Systems AdministratorBoston, MAPlease Note: We have... ...for a Systems Administrator that can be based in... ...changes, and integration activities related to acquisitions... ...including services like Exchanged Online, Teams, and... ...transitioning hybrid Active Directory environments toward...Work at officeLocal areaRemote workRelocationModera Wealth Management
New York, NY1 day ago- ...Systems Administrator IThe Systems Administrator I is responsible for the day... ...(on-premise, AWS, Azure)Assist with the installation... ...closely with the helpdesk team, senior administrators, and other IT... ...switches)Familiarity with Active Directory and user account managementBasic...Extra incomeFull timeWork experience placementLocal area
Vibrant Emotional Health
New York, NY3 days ago $150k
...seeking a Messaging Systems Engineer to support... ...will lead the administration and support of Exchange, Microsoft 365, Entra... ...enterprise.Title - Senior Systems Engineer, Messaging... ...Entra ID, Active Directory, DNS, DHCP, and MDM... ...Exchange Online and Azure/Entra IDExperience...SeniorTalener
New York, NY3 days ago$113.01k - $202.16k
...seeking a highly experienced Senior Data Center & Cloud... ...at Mount Sinai Health System. This role requires a... ...solutions (e.g., Equinix, Azure, AWS, OCI) while... ...FastConnectEquinix or similar cloud exchange/on-ramp... ...encourage all team members to actively participate in creating...SeniorTraineeshipLocal areaRemote workMount Sinai Health System
New York, NY17 hours ago$53.1k - $106.3k
...Job Title: Junior Systems Administrator Job Category: Information TechnologyTime... ..., security/compliance activities, and enterprise services used... ...Create and maintain Active Directory service accounts, groups,... ...Experience with AWS, Microsoft Azure, or other cloud services...Contract workWork experience placementFlexible hoursCACI International
New York, NY1 day ago$60k - $80k
...Orbital Engineering, Inc. is seeking a Systems Administrator II who will administer, secure,... ...servers, storage, virtualization, backups, Active Directory, Group Policy, DNS, DHCP, and... ...include one or more of the following: Azure Administrator Microsoft Security or...Temporary workRemote work$75k - $85k
System Administrator "Jack of All Trades" (MSP)A well-established Managed Services Provider (MSP... ...infrastructure solutions involving Exchange, VMware, Windows Server, and other technologies... ...Remote Desktop Services, SQL Server, Active Directory, and Microsoft 365.Experience with...Work at officeRemote workWork from homeFlexible hours- System Administrator (ConnectWise/Azure) We are a Managed and Cloud Services Provider that has been supporting businesses in the Tri-State areas for over... ...(k) with a company match, and clear paths to grow into Senior Engineer roles. Due to increased revenue, we are...Work at officeRemote work
- ...completely cloud-native clearing and custody system designed for today’s complex, global... ...with central clearing houses and exchanges to support billions in trading volume... ...in today’s fast-paced markets.Senior Associate - Active Trading Support Clear Street’s Active...Senior
Clear Street
New York, NY17 hours ago
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