• Design, deploy, and maintain high-performance network infrastructures for HPC environments, with a strong focus on InfiniBand fabrics. • Troubleshoot complex network issues across InfiniBand and Ethernet environments, ensuring minimal downtime and optimal performance. • Manage and optimize InfiniBand components, including switches, HCAs, subnet managers, and fabric configurations. • Perform performance tuning, monitoring, and capacity planning for HPC networking systems. • Implement and maintain network security using Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer). • Diagnose and resolve issues related to routing, switching, latency, and throughput across hybrid network environments. • Collaborate with compute, storage, and platform teams to support HPC workloads and cluster operations. • Develop and maintain documentation for network architecture, configurations, and operational procedures. • Participate in on-call rotations and provide escalation support for critical incidents. • Lead or contribute to network upgrades, migrations, and new deployments.

Role Description I have an opportunity for "Lead Network Engineer" (100% REMOTE) and I am looking for a candidate who can join immediately. If you are interested, please reply with your updated resume or refer someone. Position: Lead Network Engineer Duration: 6 Months CTH Location: 100% Remote Interview Process: 2-3 Rounds Eager to fill this role. Work hours are 8-5 PM CT with occasional OT and no on-call work. - Currently rolling out Meraki - SD WAN is required - Cisco ASA - Expected to mentor other team members within the team, presenting to senior leadership - This team is responsible for the design aspects within Enterprise - Top Skills: Network Automation, Meraki, SD WAN, SASE, multi-site exposure - No voice responsibilities on this team As a Lead Network Engineer, you will be responsible for using your technical knowledge of professional concepts to solve business problems. You will: - Serve as a subject matter expert in your area of focus - Evaluate elements of technology's effectiveness through requirements gathering, testing, research, and investigation - Make recommendations for improvements that result in increased quality and effectiveness - Listen to and evaluate customer needs to provide high-quality solutions - Design and test network solutions supporting Wide Area, campus, and branch networks - Develop and implement new designs and adapt existing designs to meet new requirements - Evaluate new software and hardware - Support deployment teams, particularly for complex branch deployments - Create and maintain documentation for elements of our technology - Incorporate security and compliance in all decisions and daily job responsibilities Qualifications - Must be presently authorized to work in the U.S. without a requirement for work authorization sponsorship - Must be committed to incorporating security into all decisions and daily job responsibilities - Bachelor's degree in Computer Science, Computer Information Systems, Management Information Systems, or related field - 5+ years of Network Engineering experience - 5+ years of leading large complex network design and implementation projects - Proven experience in routing and switching in large complex networks - Recent network design experience or strong network configuration experience - Previous experience with Cisco ASA and AnyConnect client configuration and deployment for Windows, Mac, and Android Tablets preferred - Previous experience supporting large-scale multi-organization deployments of Cisco Meraki switches and access points preferred - Previous experience leveraging Python scripting with a focus on network automation preferred - Previous experience with VMware VeloCloud SDWAN design, implementation, and maintenance preferred - Previous experience with PKI Certificates, 802.1X, and Certificate Management - Previous experience with QoS, SIP & RTP Protocols, and Voice Codecs - Adept at improving outcomes through proactive coaching and development to less senior team members - Established teamwork and leadership skills needed to participate in, and coordinate a variety of efforts - Ability to write process, analysis, and solution documentation - Proven ability to accurately interpret, document, and deliver customer requirements - Ability to successfully communicate technical details to a wide variety of audiences Preferred - CCNA and/or CCNP certifications Company Description NAVTECH INC 1600 Golf Road, Suite 1200, Rolling Meadows, IL 60008 Ph: (224) 348-1340 Email: alex@navtechusa.com Website: www.navtechusa.com E-Verified Company

Role Description We're seeking a Cloud Networking Architect to design, deploy, and optimize our network infrastructure as we scale. You'll drive automation initiatives, roll out new technologies across markets, and serve as the go-to network expert for our Operations team. This role blends hands-on technical work—troubleshooting, configuration, vendor management—with mentorship and process improvement, all while delivering exceptional customer experiences. - Work closely within the Operations team to ensure fast, smooth roll-out of new designs and products. - Identify and take ownership for opportunities to automate repeatable networking tasks through creation and maintenance of scripts and tools. - Plan and execute scheduled maintenance for network growth and upgrades. - Configure and deploy new technologies and equipment in multiple markets. - Act as a reference for the Operations team on network related subjects. - Work with customers when needed, providing a great customer experience. - Work with network providers to activate new services or troubleshoot existing services. - Work with network vendors/manufacturers for troubleshooting and case management. - Troubleshoot networking, routing, and interconnectivity issues, including troubleshooting of network device configuration for routers. - Deliver customer centric solutions and processes that are simple, sustainable, and repeatable. - Create and review documentation and process regarding recurring issues, new standard operating procedures, knowledge transfer material, etc. - Contribute through innovation to the reduction in the end-to-end cost of delivery. - Mentor other 5C staff and peers on network administration and innovation and conduct training sessions as needed. - Participate in on-call rotation. Qualifications - Bachelor's Degree in Computer Science, Information Systems Management or a data related field. - 5 years operating networks with experience in Juniper, Cisco, and optical network equipment. - Significant experience with networking protocols and concepts: BGP, OSPF, TCP, UDP, HSRP/VRRP, DNS, ARP, Tunnels & Port Channeling. - Excellent analytical skills with a strong attention to detail. - Ability to participate in on-call duties are an expected part of this position. - Experience dealing with customers during problem resolution and operating efficiently under pressure. - Demonstrated ability to be customer-service oriented. - Ability to build and maintain collaboration with internal and external partners. - Strong written and verbal communication skills (French and English). - Software development/scripting skills are highly desired - specifically Python, NETCONF, Ansible. - Working experience with Spine-Leaf architecture (EVPN with VXLAN). - CCNA/CCNP/JNCIA/JNCIS certifications a plus. Company Description 5C Data Centers is an equal opportunity employer. We evaluate all qualified applicants without regard to race, religion, gender, age, national origin, disability, sexual orientation, veteran status, or other protected status.

• Du automatisierst Netzwerke, baust Single Sources of Truth mit NetBox/Nautobot • Orchestrierungsprojekte mit n8n • Troubleshooting & Loganalyse • Incident-, Change- & Problemmanagement nach ITIL-Standards • Design & Dokumentation von anspruchsvollen Netzarchitekturen