• Work on network infrastructure projects, ensuring the correct definition, deployment and sustainment of connectivity solutions. • Plan, implement and oversee changes in LAN, WAN and WLAN environments, ensuring adherence to technical and business requirements. • Develop configuration standards, technical documentation and best practices for Routing & Switching environments. • Participate in the design, implementation and evolution of network security solutions, including firewalls, segmentation and access policies. • Work on projects involving equipment and solutions from Cisco, Fortinet, Check Point and Palo Alto. • Implement and support secure network access solutions, including authentication technologies such as 802.1X, MAB, RADIUS and TACACS+. • Administer and evolve NAC solutions, especially Cisco ISE, including authentication policies, device profiles and integrations with Active Directory. • Participate in technology modernization projects, environment migrations, security initiatives and digital transformation efforts. • Work on connectivity and integration projects for Azure Cloud environments, including hybrid networking. • Support troubleshooting activities and root cause analysis for high-complexity incidents related to network infrastructure. • Create and maintain technical documentation, architecture diagrams, operational procedures and project documentation. • Collaborate with multidisciplinary teams, vendors and clients during the planning, deployment and transition phases of solutions.

• Audit network routing and architecture (BGP, OSPF, MPLS), verifying hierarchy and integration of edge and core devices. • Evaluate the IPv4/IPv6 addressing plan, identifying prefix overlaps or underutilized blocks. • Collect and analyze performance metrics (latency, jitter, packet loss) to content servers such as Google, Netflix, and Cloudflare. • Review and audit logical security filters, anti-spoofing measures, and DDoS mitigation policies. • Assess the operational maturity of NOC tools (e.g., Zabbix, Grafana), verifying the reliability and quality of data collection. • Compare Q&A responses with the actual network configuration, identifying gaps and inconsistencies. • Audit access control lists (ACLs) and firewall policies, ensuring that only authorized traffic is allowed. • Evaluate network plant equipment for obsolescence, compatibility, scalability, and technical quality. • Validate legacy technologies (radio, coaxial, licensed radio) and propose migration to fiber optic when necessary. • Draft **technical audit reports**, classifying risks as Low, Medium, or Critical.

• Design, implement, and evolve national multi-service backbone architectures using MPLS, BGP, IGP, L2VPN/L3VPN, EVPN, and Segment Routing; • Define technical standards, routing policies, peering strategies, and technology evolution roadmaps for customer networks; • Serve as the last escalation level for critical incidents, leading advanced troubleshooting and structural production changes; • Conduct capacity, resilience, and performance analyses in carrier-grade environments; • Mentor N1, N2, and N3 teams, promoting technical development and dissemination of best practices; • Represent IPV7 in technical meetings, strategic projects, complex pre-sales, and interactions with large enterprise clients; • Contribute to the continuous evolution of architectures, processes, and operational standards within the sector.

Role Description We’re looking for a Network Engineer to join our Trading Infrastructure team. You will work on end-to-end network tasks: from new site and provider connectivity to validation, troubleshooting, and performance bottleneck analysis. The role is focused on low-latency and performance-sensitive environments and involves close collaboration with vendors, carriers, systems, and hardware engineers. - Design, build, and operate network connectivity for trading infrastructure across colocation sites and regions - Deliver end-to-end network setups: cross-connects, routing, validation testing, and go-live readiness - Investigate and resolve complex network issues affecting latency, jitter, packet loss, or reliability - Identify and address bottlenecks across the stack together with systems and hardware engineers - Support timing-sensitive networking (PTP/NTP): bring-up, validation, monitoring, and troubleshooting - Work on connectivity to cloud providers - Improve repeatability through automation, templates, and tooling - Contribute to operational readiness: runbooks, checklists, incident reviews (RCA), inventory and documentation - Participate in scheduled on-call rotations to support network operations and incident response Qualifications - Hands-on experience operating and troubleshooting production networks, Linux and NGFW - Solid understanding of routing and switching fundamentals (BGP, OSPF, VLANs, L2/L3 design) - Good understanding of how networks impact system and application performance - Ability to work end-to-end and collaborate across domains (systems, hardware, vendors) - Automation mindset; scripting experience (Python/Bash) is a plus - Passion for technology and continuous learning Requirements - Experience in low-latency or performance-sensitive environments (trading, exchanges, market data) - Colocation and provider connectivity experience (cross-connects, optics, acceptance testing) - Experience with cloud connectivity (Direct Connect, ExpressRoute, Cloud Interconnect, etc.) - PTP/NTP experience and understanding of timing-related failure modes - CCNP-level (CCNP SP / CCNP DC / CCNP Ent knowledge or equivalent hands-on experience) Benefits - Exciting challenges with ample opportunities for personal and professional growth - A welcoming international team of highly qualified professionals - Cutting-edge hardware and technology - Work remotely from anywhere in the world - Access any of our global offices anytime - Flexible schedule - 40 paid days off - Competitive salary