Network Security Senior Engineer

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About Rakuten Mobile

Rakuten is one of the leading Tech companies in the world. Our mission is to empower people and society through the internet while aiming at becoming the Global Innovation Company. Rakuten started its own MVNO (Mobile Virtual Network Operator) Service in 2014 and, since then, Rakuten Mobile has become the No.1 MVNO in Japan.

Rakuten Mobile, Inc. is building the world first End-to-End virtualized mobile network (for 4G and 5G) that no one has seen before. With this our next target is to become the 4th Mobile Network Operator in Japan!

Our Culture

Rakuten Mobile is a startup with a flat, non-bureaucratic and hands-on culture. We are a truly global organization, with team members from Japan, India, USA, Canada, Brazil, France, Germany, The Netherlands, Pakistan, China, South Korea, Australia, Egypt, Jordan, Kenya, and more, working in a fast-paced, innovative and agile environment.

We are looking for innovative people who are ready to take new challenges and work on cutting edge technology to build the Telco of the Future.

Responsibilities & Duties

Key responsibilities and duties include:

Installation, configuration and lifecycle management of Security Products like Firewall (eg. vASA), NextGen Firewall (eg FTD), WAF (eg. Radware WAF), SSL/LB, DDoS

Performing administration activities on Cisco ISE and FMC like user addition/deletion

Performing trouble shooting activities in security appliance and solution

Security Policy changes

Open to work 24×7 operation

Skills & Experience Required

Mandatory Experience & Skills:

Minimum 6 years of security products (eg. ASA, FTD, WAF, DDoS etc) installation, configuration, development and testing

Strong understanding of cloud and virtualization security, mobile communication security, cryptography algorithms, security protocol, network security, mobile networks, TCP/IP networking etc.

Securing network systems by establishing and enforcing policies

Collaborating with internal teams, third-party support and service vendors to ensure that the network remains operational.

Key technologies such as SAE/LTE, TCP/IP, IMS, virtualization, cloud etc.

Knowledge of Security algorithm (RSA, AES etc.) and security protocols (IPsec, TLS etc.)

Preferred Experience & Skills:

Experience/Knowledge on CISCO, F5, Radware security product is a plus

Has excellent oral and written communication skills in English

Good presentation skill with and ability to interact effectively

Demonstrating ability to adapt in a dynamic work environment

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