Security Engineer L3

Responsibilities

• Handle day-to-day security engineering activities, including configuration and maintenance of firewalls, IDS/IPS, SIEM tools, and endpoint protection systems
• Conduct vulnerability assessments and coordinate remediation efforts with infrastructure teams
• Monitor, analyze, and respond to security incidents and alerts in a timely manner
• Maintain and tune SIEM rules, correlation policies, and dashboards to ensure accurate threat visibility
• Collaborate with IT, Network, and Cloud teams to ensure secure configuration and patch compliance
• Support audits, compliance checks, and risk assessments for regulatory and internal requirements
• Prepare and maintain security documentation, SOPs, and incident response playbooks
• Mentor junior engineers on routine security tasks and best practices

Requirements

• Proven experience in security engineering and managing enterprise security tools
• Expertise in firewall configuration, IDS/IPS management, and SIEM administration
• Strong background in vulnerability management and incident response protocols
• Ability to develop and maintain technical security documentation and SOPs
• Experience working in a collaborative environment with Network and Cloud teams

About the Company

CBTS serves enterprise and midmarket clients in all industries across the United States and Canada. CBTS combines deep technical expertise with a full suite of flexible technology solutions, including Application Modernization, Managed Hybrid Cloud, Cybersecurity, Unified Communications, and Infrastructure solutions.