{"id":4081984,"date":"2026-10-14T18:12:03","date_gmt":"2026-10-14T16:12:03","guid":{"rendered":"https:\/\/remoteworkukraine.com\/ua\/remote-job\/network-engineer-l3-support\/"},"modified":"2026-10-15T08:01:33","modified_gmt":"2026-10-15T06:01:33","slug":"network-engineer-l3-support-redcore-10-14-2026","status":"publish","type":"job","link":"https:\/\/remoteworkukraine.com\/ua\/remote-job\/network-engineer-l3-support-redcore-10-14-2026\/","title":{"rendered":"Network Engineer L3 Support"},"content":{"rendered":"<p>RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies.<br \/>We are looking for a  Network Engineer L3 Support!<br \/>Requirements:<br \/>Strong knowledge of networking fundamentals: TCP\/IP, DNS, DHCP, routing, NAT, VLAN, HTTP\/HTTPS and network security fundamentals.<br \/>Strong hands-on experience with network troubleshooting and root cause analysis across endpoint, LAN\/Wi-Fi, VPN, firewall, routing and application connectivity layers.<br \/>Deep understanding of remote-access VPN technologies and protocols, including IPSec, SSL VPN, WireGuard and related tunneling technologies.<br \/>Hands-on experience administering and troubleshooting NGFW\/firewall, VPN, routing and network infrastructure.<br \/>Experience with enterprise network equipment and solutions from vendors such as Fortinet, MikroTik and Ubiquiti.<br \/>Experience troubleshooting network related issues on Windows and macOS endpoints.<br \/>Experience with network monitoring, logging, packet analysis and network diagnostic tools such as Wireshark, tcpdump or equivalent.<br \/>Ability to independently troubleshoot complex L3 escalations and perform Root Cause Analysis (RCA).<br \/>Understanding of incident management and escalation processes.<br \/>Experience maintaining technical documentation, network diagrams and troubleshooting procedures.<\/p>\n<p>Will be plus<\/p>\n<p>Experience with AWS networking: VPC, Route Tables, Security Groups, Transit Gateway, VPN connectivity.<br \/>Experience with hybrid connectivity between on-premises and cloud environments.<br \/>Understanding of Zero Trust \/ ZTNA principles.<br \/>Experience with Infrastructure as Code and automation: Ansible, Terraform, Python or Bash.<br \/>Experience working in a NOC, Network Operations or L3 Support environment.<\/p>\n<p>Responsibilities:<br \/>Act as the L3 escalation point for IT Support for complex network-related incidents.<br \/>Troubleshoot and resolve issues related to corporate VPN connectivity, internal resource availability, DNS, routing, firewall policies, NAT and network access.<br \/>Perform end-to-end troubleshooting from the user endpoint to corporate\/internal resources, identifying the root cause across endpoint, LAN\/Wi-Fi, VPN, firewall, routing, cloud and application connectivity layers.<br \/>Configure and maintain firewall policies, routing, NAT and network access rules.<br \/>Investigate recurring network incidents, perform RCA and implement preventive measures.<br \/>Collaborate closely with IT Support, System Administration, Information Security and other Infrastructure teams during incident investigation and resolution.<br \/>Provide clear technical feedback to IT Support on resolved escalations, including root cause, resolution and recommended troubleshooting steps.<br \/>Maintain network diagrams, configurations, troubleshooting procedures, runbooks and internal documentation.<br \/>Contribute to the IT Support knowledge base to enable L1\/L2 teams to resolve recurring issues without unnecessary L3 escalation.<\/p>\n<p>Our benefits to you:<\/p>\n<p>An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more<br \/>Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed<br \/>Modern corporate equipment based on macOS or Windows and additional equipment are provided<br \/>Paid vacations, sick leave, personal events days, days off<br \/>Referral program  enjoy cooperation with your colleagues and get the bonus<br \/>Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences<br \/>Rewards program for mentoring and coaching colleagues<br \/>In-house Travel Service<br \/>Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie \/ book \/ pets lovers and more<br \/>Other benefits could be added based on your location<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RedCore is an international business group that creates technological solutions&#8230;<\/p>\n","protected":false},"author":13733,"featured_media":0,"parent":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_mo_disable_npp":"","rwu_salary_min":0,"rwu_salary_max":0,"rwu_salary_currency":"","rwu_salary_period":"","rwu_english_level":"B1","rwu_experience_months":36,"rwu_candidate_countries":"","rwu_company_type":"\u041f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432\u0430 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