Senior Security Engineer

About Us:

Rakuten Symphony is a Rakuten Group company, providing global B2B services for the mobile telecom industry and enabling next-generation, cloud-based, international mobile services. Building on the technology Rakuten used to launch Japans newest mobile network, we are taking our mobile offering global. To support our ambitions to provide an innovative cloud-native telco platform for our customers, Rakuten Symphony is looking to recruit and develop top talent from around the globe. We are looking for individuals to join our team across all functional areas of our business from sales to engineering, support functions to product development. Lets build the future of mobile telecommunications together!

About Division:

The Security Products & Solutions Department in Security Engineering & Operations Division is

responsible for designing, developing, and delivering cutting-edge cybersecurity products and solutions tailored to meet the evolving security needs of Rakuten Mobile. This department plays a critical role in safeguarding the organization's infrastructure, services, and customers by building innovative security solutions from scratch. As a Senior Security Engineer, you will play a critical role in designing, implementing, and maintaining secure systems and processes while leading a team of DevOps and Developers to ensure the highest level of security and performance.

Key Responsibilities:

Technical Leadership:

• Lead and mentor a Level 3 support team of 3-4 DevOps and Developers, providing technical guidance and support.
• Act as the go-to expert for resolving complex security and infrastructure issues.
• Drive the adoption of best practices in security engineering and DevOps processes.

Security Engineering & Architecture:

• Design, develop, review and implement secure network infrastructure and system architectures.
• Implement and manage Identity Aware Proxy and Identity Management solutions.
• Conduct architecture reviews to ensure compliance with security standards and best practices.
• Collaborate with cross-functional teams to identify and mitigate security risks.

Development & Automation:

• Develop and maintain secure, scalable, and efficient systems using goLang, Kubernetes, Python, and RobinIO.
• Automate security processes and workflows to improve efficiency and reduce manual effort.
• Stay updated on emerging technologies and trends in security engineering and DevOps.

Incident Management & Problem Solving:

• Lead the investigation and resolution of security incidents and vulnerabilities.
• Provide expert-level troubleshooting and root cause analysis for complex issues.
• Ensure timely resolution of issues while maintaining high-quality standards.

Soft Skills & Collaboration:

• Foster a collaborative and positive team environment, encouraging knowledge sharing and continuous learning.
• Exhibit a "get things done" attitude, ensuring tasks are completed efficiently and effectively.
• Work under pressure and tight deadlines while maintaining a high level of professionalism.

Required Skills & Qualifications:

Technical Skills:

• 8-10 years of experience in Security Engineering, Network Infrastructure, and Identity Management
• Hands-on experience with Programming Languages: goLang, Python
• Container Orchestration: Kubernetes
• Expertise in Identity Aware Proxy and Identity Management solutions.
• Strong understanding of secure architecture development and review processes.
• Experience with DevOps tools and methodologies.

Soft Skills:

• Proven ability to lead and mentor a technical team.
• Strong problem-solving skills with a proactive and solution-oriented mindset.
• Ability to work effectively under pressure and meet tight deadlines.
• Excellent communication and interpersonal skills.
• A collaborative team player with a positive attitude.

Preferred Qualifications:

• Certified Information Systems Security Professional (CISSP)
• Certified Cloud Security Professional (CCSP)
• Certified Kubernetes Security Specialist (CKS)