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Senior System Administrator
Techaffinity ConsultingNew York, NY🇺🇸United StatesPosted 21 Jul 2026
Quick Overview
Work Type
On Site
Level
Mid Senior
Job Description
Role: Senior System Administrator
Location: 2 Broadway, NY (Fully onsite and weekend availability as needed)
Duration: Long Term contract
Responsibilities:
- Investigating, analyzing, designing, developing, and evaluating enterprise IT system requirements
- Implementing and maintaining hybrid Azure/on-premises systems
- Designing and supporting hybrid Exchange environments
- Developing computerized systems, including studies, design, operations, and maintenance
- Establishing flexible information architectures supporting corporate needs
- Selecting, configuring, and using migration and cloud tools
- Troubleshooting complex client-server environments
- Supporting enterprise Active Directory, Azure, Windows Server, and Unix systems
- Leading or supporting large-scale infrastructure projects
Requires candidates with demonstrated experience in:
- Solution architecture and procedural design
- Enterprise hybrid Microsoft Azure infrastructures
- Complex client server troubleshooting
- Windows and Unix operating system administration
- Microsoft System Management Server
- Multi-functional information architecture design
- Creating application architecture diagrams
- Migration tools and cloud configuration
- Providing guidance to junior staff and cross-functional technical teams
- Azure resource optimization, ExpressRoute, Microsoft SCCM
- Forefront Identity Manager, Entra Connect, SQL Server
- Strong scripting capability
- DNS, PKI, Group Policies
- Enterprise application system administration
Required Skills:
- Azure
- 10+ years of experience
- Microsoft certification preferred
- Microsoft Exchange
- 10+ years of experience
- Advanced enterprise level production experience in hybrid and multi Org environments
- Unix Shell Scripting or PowerShell Scripting
- 10+ years of experience
- Microsoft Active Directory
- 10+ years of hands-on experience
- Must have experience administering multi forest hybrid AD environments
- Candidates must have 10+ years of senior-level experience designing and implementing solutions in an enterprise production environment, specifically involving multi forest and hybrid on premises/cloud infrastructures.
- Provisioning or Account Creation Experience Alone Is Not Sufficient.
- Training And Lab Experience
Skills
SQL
SQL Server
Shell
Active Directory
Azure
DNS
PKI
PowerShell
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