Senior Security Engineer

Dexian; Dublin (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Dexian is seeking an experienced Cloud Security Engineer III to design, implement, and maintain security solutions guarding cloud environments and workloads. You will strengthen cloud security posture, automate remediation, and implement modern security controls across cloud platforms and SaaS apps.

The ideal candidate has deep expertise in cloud security architecture, security operations, automation, and risk management within large-scale enterprise settings.

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or related field.
• Cloud security certifications are highly preferred (AWS, Azure, Google Cloud, CCSP, CISSP).
• 10+ years of Information Security experience.
• 5+ years of experience supporting security initiatives in large enterprises.
• Proven experience designing and implementing cloud security solutions at scale.

Responsibilities

• Design, implement, and manage cloud security solutions across cloud environments.
• Lead CSPM, CNAPP, workload protection, and secure access technologies.
• Develop and maintain security controls for container security and data protection.
• Collaborate with GRC teams to develop cloud security standards and roadmaps.
• Create architecture diagrams, procedures, and automation workflows.
• Build automation scripts and self-healing processes for threat detection and remediation.
• Evaluate and adopt emerging cloud security technologies and best practices.
• Serve as SME for cloud security, logging, monitoring, and data security.

Skills

Cloud security

Threat detection

Automation

Zero Trust

IAM

Security architecture

Incident response

Cloud security monitoring

CNAPP

Education

Bachelor's degree in CS/IT or related

Cloud security certifications (AWS/Azure/GCP/CCSP/CISSP)

Job description

We are seeking an experienced Cloud Security Engineer III to design, implement, and maintain security solutions that protect cloud environments and workloads from evolving threats. This role is responsible for strengthening cloud security posture, developing automated remediation capabilities, and implementing modern security controls across cloud platforms and SaaS applications.

The ideal candidate brings deep expertise in cloud security architecture, security operations, automation, and risk management within large-scale enterprise environments.

Key Responsibilities

• Design, implement, and manage cloud security solutions to monitor, detect, and respond to security threats across cloud environments.
• Lead the implementation and management of cloud security posture management, cloud-native workload protection, security monitoring, data protection, and secure access technologies.
• Develop and maintain security controls supporting container security, application security posture management, SaaS security posture management, and Zero Trust architectures.
• Collaborate with Governance, Risk, and Compliance (GRC) teams to develop cloud security standards, technical architectures, and security roadmaps.
• Create and maintain technical documentation, architecture diagrams, operational procedures, and automation workflows.
• Build and enhance automation scripts and self-healing processes to improve threat detection, remediation, and operational efficiency.
• Evaluate, recommend, and implement emerging cloud security technologies and best practices.
• Serve as a subject matter expert (SME) across cloud security, posture management, logging and monitoring, secure access solutions, and data security.
• Partner with cross-functional technology teams to align security initiatives with business objectives while maintaining operational effectiveness.
• Support the development and adoption of enterprise security strategies, standards, and architectures.

Required Qualifications

Education

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field, or equivalent professional experience.
• Cloud security certifications are highly preferred (e.g., AWS, Azure, Google Cloud, CCSP, CISSP).

Experience

• 10+ years of Information Security experience.
• 5+ years of experience supporting security initiatives within large enterprise environments.
• Proven experience designing and implementing cloud security solutions at scale.

Preferred Skills & Expertise

• Strong understanding of cloud security threats, threat detection, incident response, security analytics, and automation/orchestration platforms.
• Experience developing and implementing security architectures aligned with industry frameworks and best practices.
• Expertise in Cloud Security Posture Management (CSPM), Cloud-Native Application Protection Platforms (CNAPP), and workload protection solutions.
• Strong knowledge of Identity and Access Management (IAM), Zero Trust principles, and secure access technologies.
• Experience selecting, configuring, and deploying enterprise security tools.
• Ability to assess and improve security posture through technical, administrative, and operational controls.
• Experience collaborating with infrastructure, engineering, and operations teams to deliver secure enterprise solutions.
• Strong analytical, problem-solving, and decision‑making skills.
• Excellent communication skills with the ability to translate complex security requirements into actionable solutions.
• Comfortable working in ambiguous, fast‑paced environments while managing multiple priorities.
• Strategic Thinking
• Solution‑Oriented Problem Solving
• Accountability & Execution
• Organizational Agility
• Business Acumen
• Strong Analytical Skills
• Adaptability & Resilience

Technical Areas of Expertise

• Cloud Security Architecture
• Security Posture Management (CSPM)
• Cloud‑Native Application Protection Platforms (CNAPP)