{"id":3454277,"url":"https://alion.io/job/justmarkets-tech-network-infrastructure-engineer","title":"Network Infrastructure Engineer","company":{"id":4485827,"name":"JustMarkets 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are looking for a Network Infrastructure Engineer to develop, maintain, and improve our network infrastructure across data center and cloud environments.\n\nIn this role, you'll take ownership of network solutions from design and configuration to deployment, troubleshooting, and ongoing support.\nWe're looking for someone who enjoys hands-on engineering, automation, and solving technical challenges independently.\n\nYou'll have the opportunity to work on diverse infrastructure tasks, implement practical solutions, and directly contribute to network reliability and continuous improvement.\n\nResponsibilities\n\nDesign, implement, and maintain network infrastructure across data centers and cloud environments.\n\nTake ownership of network solutions end-to-end, from planning and configuration to deployment, troubleshooting, and ongoing support.\n\nConfigure and maintain VLAN, LACP, vPC, routing, BGP, and VPN connectivity.\n\nManage and troubleshoot network equipment, including Cisco Nexus switches and Palo Alto firewalls.\n\nBuild and maintain connectivity between data centers, providers, and partners.\n\nConfigure and maintain AWS Direct Connect and Azure ExpressRoute / VPN connectivity.\n\nAutomate network configurations and routine operations using Ansible and scripting tools.\n\nManage cloud network infrastructure using Terraform / Infrastructure as Code.\n\nTroubleshoot production network issues, including latency, packet loss, routing, firewall, VPN, and physical connectivity problems.\n\nOrganize data center cross-connects and coordinate with providers and remote hands.\n\nSupport network connectivity for Windows and Linux servers.\n\nMonitor network availability, maintain technical documentation, and improve infrastructure reliability.\n\nParticipate in designing and implementing fault-tolerant and highly available network solutions.\n\nRequirements\n\n5+ years of experience in a Network Infrastructure Engineering role.\n\nStrong knowledge of TCP/IP, VLAN, STP, LACP, NAT, ACL, DNS, and routing.\n\nHands-on experience with BGP.\n\nExperience with Git and CI/CD practices for Infrastructure as Code.\n\nExperience administering Cisco network equipment, preferably Cisco Nexus.\n\nHands-on experience with enterprise firewalls.\n\nExperience configuring and troubleshooting IPsec site-to-site VPNs.\n\nUnderstanding of data center networking and cross-connect connectivity.\n\nA systematic approach to troubleshooting and experience handling production incidents.\n\nExperience with network monitoring and logging tools.\n\nProfessional proficiency in English.\n\nWhat we offer:\n\n20 paid vacation days per year\n\n10 paid sick leave days per year\n\nPublic holidays as per the company’s approved Public holiday list\n\nMedical insurance\n\nOpportunity to work remotely\n\nProfessional education budget\n\nLanguage learning budget\n\nWellness budget (gym membership, sports gear and related 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