L3 Network/ Linux Systems Engineer

Responsibilities Being escalation point for a variety of change requests/complex issues Configuration and administration of core routers, switches, firewalls and Linux servers Architecture and designing the network topologies & comprehensive IT solutions, create and maintain Visio / Lucidchart diagrams, configuration templates, IP addressing (NetBox IPAM) and the low-level design documents that contains all the switching/routing details, migration steps, bandwidth analysis and security policy controls Write and implements scripts to automate tasks in Linux (Python/Bash/PHP) Utilize the network monitoring tools to pinpoint issues and bottlenecks in the network and take the necessary steps to rectify it. Collaborate with various internal groups, business units to understand the applications and provide end to end network solution as per the firm's network standards. Troubleshoot issues from L2 to L4 of the OSI layer in the network. Configure and route multicast traffic across the network (PIM, IGMP). Building, installing and mounting servers and network equipments in the DataCenter Troubleshooting server hardware and deep tuning of Linux OS settings to achieve required performance Provide a breakdown of an issue to NOC supervisors to enable them to understand and explain the problem to the client. Qualifications Expert in classless and classful IPv4 address designing, deploying and management. In-depth knowledge on Routing, Switching and Network Security with the broad industry experience (OSPF, BGP, PIM) on Cisco; Brocade as a plus. 3-5 years of experience with designing and implementing large enterprise network environments and with Linux system administration. CCNP or equivalent or higher industry certification are preferred Hands on experience with Cisco Catalyst 6500 platform, Nexus (3K,5K,9K) switches, TNSR routing platfrom and PFsense firewalls. Thorough understanding of TCP/IP protocol family and network security technologies. Designed and built a multi-tier DMZ Network with micro and macro segmentation Experience in migrating large scale datacenters and providing the support for the applications migrations. Ability to work both independently and as a team member is essential. Strong presentation skills are imperative to be able to explain network design, articulate risk and facilitate decision making. Experience in network data analysis with tools such as Wireshark, TCPDump Experience in performing administrative tasks on Linux Servers (CentOS and Ubuntu) Hands on experience with Cisco network equipment. Experienced in configuring multicast nodes and routing multicast traffic across the network Hands on experience with PFsense firewall. Thorough knowledge of server level operations and software principles utilizing Linux CLI. Hands on experience on building, operating and troubleshoot virtual private server (VPS) Able to work extra hours if and when required (Maintenance activities and emergencies). Sufficient knowledge of python/bash/php to be able to read and modify existing automation scripts, as well as write new ones Nice to have Knowledge of video transport protocols IP MPEG-TS, HLS, SRT and video standards Experience working with GPU/ASIC video processing hardware acceleration Ability to understand existing and create gstreamer/ffmpeg pipelines for use in lab environment Experience using agentic AI tools, deploying self-hosted LLM to improve workflows/increase productivity Please be advised In-person timed "IPv4 fundamentals" test will be conducted prior to the interview, passing the test 80% or above is required to proceed to the interview stage. Company Description Nextologies has the world's largest broadcast video delivery network specializing in award-winning, broadcast-grade video connectivity for broadcasters and content owners across the globe with instant access to over 65,000 linear TV channels downlinked from 90+ globally-placed satellites. In addition, Nextologies is a leader in signal acquisition and delivery providing fiber, IP and custom end-to-end solutions for IPTV and OTT platforms and video-centric applications across all platforms. Learn more at 10TX by Nextologies is a leading signal transmission company trusted by professional sports leagues, broadcasters, content producers, and entertainment companies to deliver live events and pay-per-view programming worldwide. #J-18808-Ljbffr