Senior Systems Administrator
Cleartech Recruiting
IT Manager / Senior Systems Administrator
Leading Global Hedge Fund | NYC or CT | On-site
Key Responsibilities
- Manage Active Directory, Entra ID, service accounts, MFA, access reviews, and security controls.
- Administer Microsoft 365, Exchange Online, Teams, SharePoint, OneDrive, email security, and DLP.
- Manage Windows Server, VMware vSphere, file servers, storage, backups, and migrations.
- Administer networks, DNS, DHCP, VLANs, wireless, certificates, firewalls, and telecom.
- Manage endpoint security, vulnerabilities, phishing simulations, and data-governance tools.
- Support eDiscovery, legal holds, audits, regulatory requests, and IT controls.
- Automate administration and reporting using PowerShell and Python.
- Manage software/cloud licensing, vendors, renewals, and procurement.
- Lead infrastructure and security projects from planning through implementation.
- Maintain change management, documentation, compliance, and operational procedures.
- Serve as technical escalation point and mentor junior IT staff.
- Coordinate server-room power, cooling, UPS, and datacenter infrastructure.
Required Qualifications
- 7+ years of hands-on enterprise systems administration experience.
- Strong Windows Server, Active Directory, Microsoft 365, MFA, and PowerShell skills.
- Experience with Entra ID, service accounts, application registrations, and credential management.
- Strong VMware, storage, networking, firewall, and email-security experience.
- Experience with security tools such as CrowdStrike, Varonis, Proofpoint, or similar.
- Experience with backups, DR, monitoring, change control, and regulated/audited environments.
- Strong project, vendor-management, documentation, and communication skills.
Preferred
- Bachelor's degree or equivalent experience.
- Financial services or regulated-industry experience.
- AWS/Azure, Ansible, eDiscovery, Bloomberg, or Avaya experience.
Working Conditions
- Fully on-site; no remote/hybrid option.
- Occasional after-hours maintenance and recovery work.
- NYC employees may travel to CT/Westchester DR facilities.
Vacancy posted 6 hours ago
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