Senior Network Engineer

<h2 class="iCIMS_InfoMsg iCIMS_InfoField_Job"><span style="font-size: large;">Overview</span></h2> <p>Black Canyon Consulting <strong>(BCC)</strong> is searching for a <strong>Senior Network Engineer</strong> to support our work for the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), an institute of the National Institutes of Health. <span class="c-message__edited_label">This opportunity is full time and onsite at the NIH-NCBI in Bethesda, MD with option for some remote work.</span></p> <p>We're seeking a <strong>Senior Network Engineer</strong> with a passion for designing and deploying high-performance networks. If you have deep expertise with <strong>Arista EOS and CloudVision</strong>, and a proven track record of modernizing legacy infrastructure, you're exactly who we're looking for. In this role, you won't just maintain networks; you'll be a team leader, driving innovation and shaping our network architecture. You'll work with the latest technologies like <strong>Spine-and-Leaf, VxLAN, EVPN, and BGP</strong>, and use your scripting skills to automate everything you can. This is your chance to be a key contributor to a critical scientific mission to improve health and advance medical breakthroughs.</p> <div class="iCIMS_InfoMsg iCIMS_InfoMsg_Job"> <div class="iCIMS_Expandable_Container"><strong><span style="font-size: large;">Duties & Responsibilities:</span></strong></div> </div> <div class="iCIMS_InfoMsg iCIMS_InfoMsg_Job"> <div class="iCIMS_Expandable_Container"> <div class="iCIMS_Expandable_Text"> <ul> <li>Design and implement cutting-edge, high-performance network architectures, with a focus on Spine-and-Leaf designs</li> <li>Leverage your deep knowledge of Arista's Extensible Operating System (EOS) and CloudVision platform</li> <li>Configure and maintain F5 BIG-IP platforms, including virtual servers, pools, and iRules</li> <li>Use Python and other Linux tools to automate network management and streamline operations</li> <li>Be a team leader, mentoring and managing team members, handling complex issues, and serving as a subject matter expert</li> <li>Evolve our legacy networks for hybrid and cloud-native environments and provide expert support to resolve complex network issues</li> <li>Implement load balancing strategies (e.g., round robin, least connections) to optimize application performance and ensure high availability</li> <li>Set up and manage Arista and F5 device clusters in active/standby or active/active configurations to provide failover capabilities</li> <li>Have strong knowledge of AAA frameworks for network access control. Hands-on experience configuring and managing <strong>TACACS+, Radius</strong> for device administration security in Cisco ICE</li> <li>Responsible for all network device patching, including security fixes and OS updates. Track device vendor support timelines and manage end of life transitions to updated hardware models</li> <li>Monitor network traffic and alerts for proactive management and capacity planning. Provide up to date network metrics to all technical teams for better product development and troubleshooting</li> </ul> <h2 class="iCIMS_InfoMsg iCIMS_InfoField_Job"><span style="font-size: large;"><strong>Required qualifications</strong>:</span></h2> <ul> <li>10+ years of hands-on experience in network engineering</li> <li>A CCIE or similar advanced networking certification is a plus</li> <li>Strong experience with <strong>Arista EOS/CloudVision</strong> and &