System Support

Systems and Security Support Specialist

Overview
We are looking for a hands-on Security and Systems Support Specialist to keep our environment secure, stable, and responsive for 3,000 daily users. You will be the first line for applications and system issues and the first set of eyes on security events, with a heavy focus on phishing email triage, endpoint hygiene, and user support.

Core Responsibilities
Systems Support

• Provide Tier 2 support for Windows workstations, Microsoft 365, Active Directory, Entra ID, and email services
• Troubleshoot hardware, software, VPN, and network connectivity issues for remote and on-site users
• Manage user accounts, permissions, distribution groups, and mailbox provisioning
• Perform imaging, patching, and software deployment using Intune, SCCM, or similar tools
• Document tickets clearly and escalate with full context

Security Operations

• Triage and analyze reported phishing emails, inspect headers, URLs, and attachments in a sandbox
• Execute containment actions: block senders and domains, quarantine messages, revoke sessions, reset credentials
• Monitor endpoint alerts from Defender for Endpoint, review antivirus and EDR detections
• Assist with vulnerability remediation, patch compliance reporting, and baseline hardening for Windows
• Support MFA enrollment, conditional access issues, and zero-trust initiatives
• Participate in after-hours maintenance windows for data pulls or network-impacting tasks

User Enablement

• Deliver short security awareness coaching during phishing follow-ups
• Create KB articles for common Windows and M365 fixes
• Support onboarding and offboarding at scale

Required Qualifications

• 2 years minimum in IT support, help desk, or SOC Tier 1 in a Windows enterprise
• Active CompTIA certification: Network+, Security+, AI+, or Microsoft AZ-900
• Practical experience with Windows troubleshooting, Active Directory, and Microsoft 365 admin center
• Hands-on phishing analysis: reading email headers, URL detonation, attachment review
• Familiarity with Defender for Endpoint, Defender for Office 365, or equivalent EDR/email security tools
• Strong ticket hygiene, clear written communication, and customer service mindset

Preferred Qualifications

• Experience supporting 1 ,000+ users in a single environment
• Knowledge of Intune device compliance, Group Policy, PowerShell basics
• Familiarity with phishing simulation platforms and user awareness training
• CompTIA Security+ or Microsoft SC-900 in progress
• Understanding of NIST CSF or CIS Controls for endpoint hardening