We are looking for a Network Engineer for working on a trading product. In this role, you should have excellent problem-solving skills and knowledge of network administration and architecture (IP routing, firewalling, and VPN), AWS, and, ideally, Linux. Requirements: - 3+ years of network administration and architecture in geographically spread environments; - 1+ years of cloud networking (preferably, AWS) with at least medium-sized networks. Experience with TerraForm is a plus; - Understanding of communication and dynamic routing protocols (including BGP); - Basic understanding of Linux administration and experience with command-line interface (you should not be afraid of vi); - Combined experience with detailed technical knowledge and hands-on practice working in networks and networks hardening; - Proficiency in access control models and network security; - Working knowledge of network diagnostic, monitoring, and analysis tools (e.g. Wireshark); - Experience with Service Desk systems (e.g. Jira Service Desk, ZenDesk, Solarwinds) and enterprise-class monitoring systems (e.g. Zabbix, DynaTrace); - Working knowledge of CDNs (e.g. Cloudflare), DNS, certificates, and domain management; - Ability to work independently; - SPOKEN English (company's official language) at B2 level (Upper-Intermediate), at least. Will be a plus: - Experience with FreeBSD, Cisco, Checkpoint; - More than basic experience with Linux; - Experience with VoIP in general and SIP cloud providers particularly; - Solid knowledge of network operating systems (JUNOS, Cisco IOS); - Experience with Wi-Fi networking; - Working knowledge and troubleshooting skills of scripting languages (e.g. bash, Python, Perl); - Professional certifications (e.g. BSD Specialist, Ubuntu Professional, CCNA); - BSc/BA in Computer Science, Computer Engineering, or a related field. Tasks and responsibilities: - Design and deploy functional networks (mostly AWS and some remote physical data-centers using LAN, WAN, VPN, and firewall technologies); - Monitor network performance and integrity; - Resolve issues and troubleshoot cloud and local infrastructure using a service desk system, including 24/7 support on a rotational basis; - Automate tasks and monitor their effectiveness; - Create, oversee, and test security measures (e.g. access authentication/authorization, disaster recovery); - Communicate with internal users and Customer Service when needed; - Compile and maintain thorough technical documentation; - Suggest improvements to network performance, capacity, and scalability.