Network Engineer

Who We Are: At SES Space & Defense, we are a trusted partner ensuring mission success for customers operating in the most demanding environments. As part of SES S.A., a global leader in satellite-enabled connectivity, we deliver multi-orbit, end-to-end satellite and technology solutions that provide secure, reliable, and high-bandwidth communications across the globe. Our differentiated multi-orbit architecture combines GEO and MEO satellite systems with integrated terrestrial and network infrastructure to deliver resilient, low-latency, high-throughput connectivity at a global scale. With more than 120 satellites covering nearly the entire world, a global ground network, and thousands of deployed terminals supporting over 5,000 government missions annually, SES Space and Defense is a trusted partner to the U.S. Federal Government and national security community, allied governments, NATO, and agencies including NASA for mission-critical communications. We strive to be the only solution when success is critical and recognize our people as our competitive advantage. At SES Space & Defense, you’ll work alongside a mission-driven team committed to integrity, honor, and accountability, delivering real-world impact across today’s most critical missions. What You’ll Do: The Network Engineer provides strategic support, oversight, andoperational maintenance for SES Space & Defense's service-provider MPLS backbone. Working within a carrier-class environment, this role ensures the performance, reliability, and security of mission-critical transport services supporting government and enterprise customers. The successful candidate will troubleshoot complex routing issues, execute controlled network changes, and maintain technologies spanning MPLS, EVPN, L3VPN, RSVP, IPv6, and CG-NAT. Partnering closely with operations, cybersecurity, and engineering teams, this individual helps sustain a resilient, highly available communications infrastructure. This position offers broad exposure to carrier-grade networking technologies, modernization initiatives, and technical proposal support activities while directly contributing to mission success. Deploy, support, and maintain Juniper devices including MX, QFX, SRX, and EX platforms with focus on ISIS, BGP, MPLS, L3VPN, EVPN, and RSVP Troubleshoot connectivity issues escalated by the GNOSC, perform root-cause analysis, and document outcomes Monitor LSPs, ISIS/BGP/MPLS sessions, and RSVP-TE tunnels while proactively responding to alarms Assist with deployment and support of IPv6, CG-NAT, and Multicast services Manage configuration changes through formal change-management review processes Log all incidents, service requests, and changes through ServiceNow Utilize ScienceLogic SL1 for monitoring and alert management Collaborate with cybersecurity teams to assess and remediate network vulnerabilities Perform JUNOS and PAN-OS upgrades Support maintenance windows and…