Senior Security Engineer: Cloud, SIEM & Automation

Farmers-and-Merchants-Bank-of-Long-Beac; Seal Beach (CA); On-site; USD 124,000 - 211,000; Full time

Job summary

Farmers and Merchants Bank of Long Beach is seeking a Senior Information Security Engineer to design, implement, and own enterprise‑grade security solutions across on‑premises, hybrid, and cloud environments, with a strong technical leadership role within the Security Engineering team.

In this role you will drive security architecture patterns, detection engineering, and control strategy, partnering with the CISO and IT leadership to strengthen risk posture while mentoring engineers and

Qualifications

• Deep expertise in enterprise security architecture and engineering principles.
• Hands-on experience designing and implementing enterprise security technologies (firewalls, WAFs, IDS/IPS, EDR/XDR, SIEM, IAM).
• Advanced knowledge of cloud security architecture (Azure, M365, Defender, Sentinel, Intune).
• Strong understanding of detection engineering, threat intelligence, and MITRE ATT&CK mapping.
• Experience with security logging pipelines and telemetry normalization.
• Experience with enterprise networking and secure connectivity (segmentation, VPN, ZTNA).
• Ability to perform packet capture analysis and adversary detection at scale.
• Experience with secure SDLC, DevSecOps practices, and infrastructure-as-code security.
• Experience with SOAR platforms or security automation frameworks.
• Familiarity with threat hunting and adversary simulation concepts.

Responsibilities

• Design, engineer, and own end-to-end security solutions across on-premises, hybrid, and cloud environments (Azure, M365, SaaS).
• Serve as a technical lead for security control design, translating architectural requirements into resilient, scalable, and auditable implementations.
• Function as a security engineering escalation point for complex incidents, investigations, and cross-domain issues.
• Lead configuration, tuning, and lifecycle management of enterprise security technologies (firewalls, WAF, IDS/IPS, EDR/XDR, SIEM, DLP, CASB, IAM solutions).
• Develop and maintain advanced detection logic and use cases (SIEM rules, correlation searches, behavioral analytics).
• Engineer and implement security automation and orchestration (Python, PowerShell, APIs, SOAR platforms) to reduce manual effort and improve response times.
• Lead or support incident response activities, including containment strategy, root cause analysis, and post-incident remediation plans.
• Perform threat modeling, risk assessments, and control gap analysis for systems and applications.
• Collaborate with architects to define and enforce secure design patterns and reference architectures.
• Evaluate emerging threats and technologies; recommend and implement security improvements aligned with evolving attack trends.
• Conduct advanced vulnerability analysis and prioritize risk based on exploitability and business impact.
• Analyze logs, network flows, and endpoint telemetry to identify and investigate sophisticated attack patterns and adversary behaviors.
• Provide technical mentoring, guidance, and peer review for junior engineers and analysts.
• Participate in security tool selection, evaluation, and proof-of-concept initiatives.

Job description

Farmers and Merchants Bank of Long Beach is seeking a Senior Information Security Engineer to design, implement, and own enterprise‑grade security solutions across on‑premises, hybrid, and cloud environments, with a strong technical leadership role within the Security Engineering team.

In this role you will drive security architecture patterns, detection engineering, and control strategy, partnering with the CISO and IT leadership to strengthen risk posture while mentoring engineers and