Cybersecurity Engineer

System One invites qualified professionals to join as a remote Cybersecurity Engineer. This role centers on protecting enterprise infrastructure, delivering proactive threat detection and response, and strengthening Microsoft 365 security. The position offers a competitive annual salary ranging from USD 110,000 to 130,000, with the flexibility to work remotely from Charlotte, NC. Domain experience in HUD or other highly regulated industries is preferred.

Responsibilities

• Secure enterprise infrastructure across cloud and on‑premises environments, respond to cyber threats, administer Microsoft 365 security controls, and support regulatory compliance.
• Implement and maintain enterprise security controls spanning cloud and on‑premises assets.
• Manage security compliance programs and assist in the development of security policies.
• Monitor security alerts, incidents, phishing attempts, malware, and other suspicious activity, and respond as needed.
• Conduct vulnerability assessments, track remediation efforts, and perform security hardening.
• Oversee endpoint protection, email security, MFA, Conditional Access, and identity security controls.
• Configure and maintain SIEM, logging, and monitoring platforms.
• Execute threat hunting and proactive security reviews.
• Microsoft 365 and Cloud Security: administer tools such as Microsoft Defender, Entra ID (Azure AD), Conditional Access, Intune, Purview, and Exchange Online Protection.
• Implement data loss prevention, retention policies, and email security controls.
• Secure remote access, mobile devices, and hybrid cloud infrastructure.
• Protect firewalls, VPNs, wireless networks, switches, and servers; review firewall rules and network segmentation.
• Support backup, disaster recovery, and business continuity initiatives.
• Assist with patch management and establish secure configuration baselines.
• Provide escalation support for security‑related help desk issues and lead response efforts during incidents and outages.
• Deliver user security awareness training and phishing simulations.

Requirements

• Must‑have domain experience: ideally work on projects for HUD or similar state or municipal housing programs, or experience with civilian US federal agencies outside defense, intelligence, and national security, or experience in highly regulated sectors such as insurance, banking, or healthcare.
• Experience implementing security controls and solutions from scratch, with practical knowledge of security best practices and the ability to determine what to implement and how to execute it effectively.
• At least 5+ years of hands‑on IT security or cybersecurity engineering experience.
• Strong experience with Microsoft 365 security technologies.
• Experience with firewalls and VPNs, Endpoint Detection & Response (EDR), email security platforms, vulnerability management tools, Windows Server and Hybrid Active Directory, and familiarity with cybersecurity frameworks and compliance standards.

Technologies

• Microsoft Defender
• Entra ID (Azure AD)
• Conditional Access
• Intune
• Purview
• Exchange Online Protection
• Microsoft 365 security tools
• SIEM
• Endpoint Detection & Response (EDR)
• Firewall technologies
• VPN technologies
• Wireless networks
• Windows Server
• Hybrid Active Directory
• Vulnerability management tools
• MFA

Preferred Qualifications

• CISSP
• Security+
• SC-200
• SC-300
• AZ-500
• CEH