Senior Enterprise Security Engineer - Cloud, IAM & SIEM

Colossus Technologies Group; New York (NY); On-site; USD 140,000 - 200,000; Full time

Job summary

Colossus Technologies Group is seeking a hands-on Senior Security Engineer – Enterprise Security to fortify the corporate environment, endpoints, SaaS apps, and internal infrastructure. You will design, implement, and automate security controls across IAM, DLP, SIEM, and incident response, while mentoring engineers and guiding security architecture in a fast-growing cloud-first SaaS setting.

This role involves on-call duties and close collaboration with IT, security, and product teams to reduce

Qualifications

• 5+ years of Security Engineering experience.
• Experience in enterprise security engineering for corporate environments.
• Experience securing SaaS applications.
• Experience with CrowdStrike EDR or similar endpoint security.
• Experience with IAM and SSO.
• Security architecture and vulnerability management.
• Security automation and incident response.
• DLP program experience across endpoints, networks, SaaS, or cloud.
• Strong malware and incident investigation skills.

Responsibilities

• Design and implement enterprise security solutions across users, endpoints, applications, and infrastructure.
• Investigate malware, threats, and security incidents.
• Develop and tune SIEM detections, alerts, and automation.
• Secure corporate SaaS apps and perform end-to-end security reviews.
• Evaluate data flows, authentication, authorization, and security controls.
• Support incident response and forensic investigations.
• Drive remediation of vulnerabilities and harden configurations.
• Mentor junior engineers and participate in on-call rotations.

Job description

Colossus Technologies Group is seeking a hands-on Senior Security Engineer – Enterprise Security to fortify the corporate environment, endpoints, SaaS apps, and internal infrastructure. You will design, implement, and automate security controls across IAM, DLP, SIEM, and incident response, while mentoring engineers and guiding security architecture in a fast-growing cloud-first SaaS setting.

This role involves on-call duties and close collaboration with IT, security, and product teams to reduce