Senior Security Engineer — Zero Trust & SIEM Architect

Talent Mappers; Illinois; Hybrid; USD 140,000 - 160,000; Full time

Job summary

Talent Mappers is seeking a Senior Security Engineer to design, implement, and continuously improve enterprise security across endpoints, cloud, network, data, and security operations. You will own the architecture and integration of core platforms, including Rapid7, Defender, Purview, Mimecast, and Zscaler, translating risks into scalable controls.

You will collaborate with Security Ops, Infra, Network, and App Engineering teams, leading complex initiatives and driving defense‑in‑depth and Zero

Qualifications

• Bachelor's degree in Computer Science, Engineering, Information Security, or related field or equivalent professional experience.
• 7+ years of experience in security engineering, infrastructure security, cloud security, or related technical discipline with independent design/implementation.
• Hands-on experience across multiple security domains including SIEM/detection engineering, vulnerability management, endpoint security, data protection, email security, and security automation.
• Experience with Rapid7 InsightIDR/InsightVM, Microsoft Defender/Purview, Mimecast or comparable Secure Email Gateway, and Zscaler or similar SASE/Secure Web Gateway platforms.
• Scripting and integration skills using PowerShell, Python, REST APIs, and platform APIs.
• Strong understanding of enterprise security architecture, Zero Trust, defense-in-depth, and frameworks such as NIST CSF, CIS Controls, MITRE ATT&CK.

Responsibilities

• Lead the architecture, implementation, integration, and optimization of core security platforms.
• Design scalable security architectures and engineering standards aligned with zero trust principles.
• Provide senior technical guidance across engineering teams to close security gaps.

Skills

Security engineering

Scripting & automation

Zero Trust

Threat & vulnerability knowledge

Education

Bachelor's degree

Tools

Rapid7 InsightIDR/InsightVM

Microsoft Defender/Purview

Mimecast

Zscaler

Job description

Talent Mappers is seeking a Senior Security Engineer to design, implement, and continuously improve enterprise security across endpoints, cloud, network, data, and security operations. You will own the architecture and integration of core platforms, including Rapid7, Defender, Purview, Mimecast, and Zscaler, translating risks into scalable controls.

You will collaborate with Security Ops, Infra, Network, and App Engineering teams, leading complex initiatives and driving defense‑in‑depth and Zero