Cybersecurity Engineer

System One offers a remote direct-hire Cybersecurity Engineer role that enables you to safeguard enterprise infrastructure across cloud and on-premises. You will work with Microsoft 365 security tools, SIEM, threat hunting, and incident response to help maintain regulatory compliance. The position is remote with a Phoenix, AZ base and a competitive salary range of $110,000 to $130,000 per year.

Responsibilities

• Implement and maintain enterprise security controls across cloud and on-premises environments.
• Manage security compliance and assist in security policy creation.
• Monitor and respond to security alerts, incidents, phishing attempts, malware, and suspicious activity.
• Perform vulnerability assessments, remediation tracking, and security hardening.
• Manage endpoint protection systems, email security, MFA, Conditional Access, and identity security controls.
• Configure and maintain SIEM, logging, and monitoring platforms.
• Conduct threat hunting and proactive security reviews.
• Microsoft 365 and Cloud Security: Administer Microsoft 365 security tools including Microsoft Defender, Entra ID (Azure AD), Conditional Access, Intune, Purview, and Exchange Online Protection.
• Implement data loss prevention, retention, and email security policies.
• Secure remote access, mobile devices, and hybrid cloud infrastructure.
• Secure 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 secure configuration baselines.
• Provide escalation support for security-related help desk issues.
• Lead response efforts during security incidents and outages.
• Conduct user security awareness training and phishing simulations.

Requirements

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

Technologies

• Microsoft Defender
• Entra ID (Azure AD)
• Conditional Access
• Intune
• Purview
• Exchange Online Protection
• Windows Server
• Hybrid Active Directory
• SIEM

Preferred Qualifications

• Certifications such as CISSP, Security+, SC-200, SC-300, AZ-500, CEH