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# Senior IT Systems & Support Engineer

- **Company:** Halcyon Financial Technology
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $90,000 - $120,000
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Artificial Intelligence, Apple IOS, Apple Mac Systems, Asana, Build Automation, Microsoft Azure, Microsoft Online Services, Business Software, Software as a Service, Cloud Computing, Cyber Security, Information Leak Prevention, Dynamic Host Configuration Protocol, Domain Name System (DNS), Multi-Factor Authentication, Identity and Access Management, Information Technology Operations, Virtual Private Networks (VPN), Python (Programming Language), OAuth, Windows PowerShell, Remote Access Technology, OpenAI, Azure Active Directory, Cloud Services, Microsoft Copilot, Security Assertion Markup Language (SAML), Microsoft SharePoint, Single Sign-On, Software Deployment, Software Vulnerability Management, Wi-Fi Technology, Microsoft Power Automate, Firewalls (Computer Science), Microsoft InTune, Information Technology, Slack, Deployment Automation, Gsuite, Claude, CIS Benchmarks, Google Gemini, Firewall Services Module, Restful APIs, DocuSign, GPT
- **Published:** October 18, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=8fcde58f10e8ec8b

## About the Role

* Cloud & Productivity: Microsoft 365 (Exchange Online, SharePoint Online, Teams, OneDrive), Google Workspace
 * Identity & Access: Microsoft Entra ID, Conditional Access, Privileged Identity Management (PIM), SSO (SAML, OAuth, SCIM)
 * Endpoint Management: Microsoft Intune, Windows Autopilot, Windows 11, macOS, iOS, Windows 365 Cloud PCs, Mosyle
 * Security & Compliance: CrowdStrike Falcon, CrowdStrike Guardian, Microsoft Defender for Cloud Apps, Mimecast, Microsoft Purview,
 * Automation & AI: Microsoft Copilot, OpenAI ChatGPT, Anthropic Claude, Google Gemini, PowerShell, Python, Microsoft Graph, Power Automate, REST APIs
 * Networking: Cisco Meraki
 * IT Operations: ConnectWise RMM and PSA, Automox, IT Glue, Monday.com
 * Infrastructure & Backup: Microsoft Azure, CloudAlly
 * Collaboration & Business Apps: Slack, Zoom and Zoom Phone, DocuSign, Global Relay, PrinterLogic

## Description

We are hiring a full-time Senior IT Systems & Support Engineer in the New York City Metropolitan Area. This hybrid role plays a critical part in supporting multiple clients both onsite and remotely. It requires the ability to handle a wide range of problems with expertise and exceptional judgment while working with end users at the highest levels of their organizations.
We are looking for professionals who provide high-touch, personalized technical support and proactive solutions that ensure a seamless and exceptional experience for our clients., Microsoft 365 & Google Workspace

 * Administer Microsoft 365 and Google Workspace, including users, licenses, policies, and third-party SaaS integrations
 * Resolve complex email, collaboration, and file-sharing issues, using service health and audit data to catch problems before users do

Identity & Access Management

 * Manage identity and access across our cloud platforms, including single sign-on, MFA, conditional access, and least-privilege, role-based access
 * Own secure onboarding, role changes, and offboarding, and troubleshoot authentication, federation, and app access issues

AI & Automation

 * Build automation that eliminates repetitive provisioning, reporting, and admin work
 * Use approved AI tools to speed up troubleshooting and documentation, and help shape how we govern their use

Endpoint Management

 * Manage cloud-native endpoints from enrollment through retirement
 * Deploy applications, configuration and compliance policies, security baselines, and encryption through Intune

Cybersecurity & Compliance

 * Maintain security controls across cloud, email, endpoints, and SaaS, including data loss prevention, retention, and alerting
 * Investigate alerts and incidents, drive remediation, and support vulnerability management, hardening, and audits
 * Third-party risk management, cybersecurity policy management, business continuity and governance

Cloud Networking

 * Support the network behind a distributed, cloud-first workforce: DNS, DHCP, VPN, Wi-Fi, firewalls, and secure remote access
 * Diagnose connectivity and performance issues between users, devices, and cloud services, and maintain firewall policies and segmentation

Systems Administration & Cloud Operations

 * Lead incident response and root cause analysis for major outages and recurring issues
 * Plan and deliver changes, upgrades, and migrations end to end, backed by clear runbooks and documentation