Cloud Network Security Engineer (offline)

We are looking for an experienced Security Engineer, focused on cloud network security on AWS, to secure and manage the network infrastructure of product’s operations. Your focus will be on ensuring that the cloud network infrastructure is highly available, secure, and cost effective.

Our client is a fast-growing fintech company based in Tokyo. The company offers its real-time monthly consolidated credit service all across Japan. Our client started Japan’s first instant post-pay credit service for ecommerce consumers in October 2014. The main product is an online payment app which requires no pre-registration or credit card to use, via this service the customers can purchase products online using only a mobile phone number and email address and settle a single monthly bill for all their purchases, either at a convenience store, by bank transfer or auto debit. Customers can use credit funds during a month and then return the balance to zero without paying credit interests. This service also supports multi-pay installments and subscriptions. There are currently over 4 million accounts in use. This service got the largest investment to date in the Japanese financial tech industry, including PayPal Ventures investment.

There are 4 teams within the infrastructure of the company based in the central office which work on the growth and development of one of the most innovative payment service in Japan. An international great team consists of talented specialists from various experience backgrounds and nationalities from all over the world.

Attend architecture review committees, focused on enabling the business to safely deploy new services and products quickly and efficiently leveraging standardization.
SME (Subject Manager Expert) and hands-on implementation of all AWS network and security services, third party SaaS solutions, and common on-premises network infrastructure.
Works directly with SOC (Security Operations Center) and BCM (Business Continuity Management) on testing the resiliency of the platform against network attacks. (e.g. DDoS)
Recommend strategic improvements across engineering teams that reduce operating costs while remaining highly available and secure.
Works with platform architects and other service owners to accurately and consistently maintain network diagrams.
Assist platform architects with documenting network security requirements in policies, standards, and procedures.
Present clear, organized, and concise information to all audiences through a variety of media to enable effective business decisions.
Assist in vendor procurement, deployment, and configuration for new and modified systems.
Perform other duties as required to support changes in business strategy.

Passion for security, and a sense of ownership.
Track record of solving ambiguous/undefined cloud networking problems.
Demonstrated experience in performing cost-benefit analysis for recommending and implementing secure network infrastructure.
Expert understanding and hands-on experience deploying network solutions for on-premises and AWS cloud infrastructures.
Hands-on implementation of secure network security solutions (WAF, IDS/IPS, VLANs, etc.) leveraging common IaC (Infrastructure as Code) tooling such as Terraform.
Can expertly explain the pros and cons of all AWS networking and security services, and can quickly offer potential solutions to problems presented by stakeholders in a short period of time.
Demonstrated experience in responding to and recovering from WAF/IDS/IPS bypasses, DDoS, and other network-based attacks.
Makes pull requests and actively participates in established change management processes for all network-related changes.
English on at least an Upper-Intermediate level.

The friendliest community of like-minded IT-people
Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
Mobilunity Medical Insurance program designed to attend our teams’ needs
Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
Fair salary and 100% taxes coverage – don’t worry about possible taxes raise – we will get you covered

About Mobilunity

Mobilunity is a provider of dedicated development teams aiming to bring European corporate culture to the Ukrainian IT-labor market. Throughout all the years of our existence and until now, we're been working hand in hand with European companies as our primary partners. By our own example, we are providing that the dedicated team model works the best in all directions including employee's interests as people have always been our main asset. Joining Mobilunity you won't ever feel alone.

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  • Category: Security
  • Networking, AWS, Terraform
  • English: Upper-Intermediate
  • 3 years of experience
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