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Network Specialist - Core
Designs, builds, and secures scalable enterprise networks (LAN/WAN/datacenter/cloud) for Squarepoint’s infrastructure, collaborating with engineering teams to ensure high availability, performance, and automation while troubleshooting L3 issues and evaluating new technologies.
Network Specialist - Reliability
Designs and maintains Squarepoint’s global trading network, including data centers, offices, and cloud providers, ensuring high availability and performance for trading systems.
Network Specialist - Security
Design, deploy, and maintain global network security infrastructure, troubleshoot issues, and automate security controls across offices, data centers, and cloud providers.
Network Specialist - ULL
Designs, deploys, and maintains ultra-low-latency trading networks across 30+ global data centers, optimizing routing, switching, and security for high-frequency financial systems like direct market access.
Network Administrator Tier 2
A Network Administrator Tier 2 at DataPerk maintains and troubleshoots network infrastructure, including switches, routers, firewalls, VPNs, and wireless systems (Fortinet, Meraki, Cisco, UniFi). Daily tasks involve configuring DHCP/DNS, managing VLANs, performing latency checks, and ensuring network health and security for clients.
Network Technician Tier 2
Tier 2 network technician at an IT managed service provider in Columbus, OH: installs, configures, and troubleshoots structured cabling, switches/routers, firewalls, site-to-site and SSL VPNs, and wireless systems for clients using Fortinet, Meraki, Cisco, and UniFi, with intermediate Microsoft 365, server, storage, and network administration.
Senior IT Network Engineer
We are looking for an experienced Senior IT Network Engineer to own and support Spire’s corporate and back-office network environment. Reporting to the Global IT Director, this is a hands-on role with primary…
Network Administrator Tier 3 (TS/SCI Clearance)
Tier 3 network administrator/engineer supporting an intelligence-community customer onsite at Bolling AFB (Washington, DC) or Reston, VA: designing, implementing, and troubleshooting enterprise LAN/WAN, UC, and video/streaming systems, and writing technical documentation. Requires active TS/SCI clearance, CI polygraph, CCNA, and IAT II certifications.
Senior Optical Network Engineer II
Senior optical network engineer who designs, builds, and operates CoreWeave's global optical backbone — DWDM over dark fiber, coherent optics across metro, long-haul, and data-center interconnect — using Ciena and Nokia platforms, optical telemetry, and automation, in close partnership with the IP backbone team. Based in Warsaw, Poland.
Senior Network Engineer II
Senior Network Engineer on CoreWeave's Data Center Network Engineering team, deploying, scaling, and operating large-scale multi-tier data center fabrics (Clos/spine-leaf) across multiple data centers — from rack layout and optics validation to config generation, testing, and L1–L3 troubleshooting. Core tech: BGP, EVPN/VXLAN, Python automation.
Telecom Infrastructure Network Engineer
Who We Are Our purpose at CloudHQ is to provide flexible, efficient and resilient data center solutions to businesses of all sizes. Our growing organization was founded by the pioneer of data center REITs. CloudHQ has…
Senior Network Administrator (m/w/d)
Senior network administrator who takes ownership of restructuring a grown multi-site network for an industrial mobility supplier near Kassel: designing and running LAN/WAN/backbone, routing/switching, VLANs, VPN site links, Fortinet firewalls, and IT/OT segmentation, mostly working on-site.
Network Engineer Central London, Hybrid - £65,000
Network Engineer Central London, Hybrid - £65,000 We are looking for an experienced Network Engineer with strong Fortinet expertise to join our growing network infrastructure team. You will be responsible for…
Senior IT Network Engineer
Dear Candidate, Please note this Job Opportunity is for Contract to Hire/ Contractual Role. Role & responsibilities Engineering and Operation of global LAN Infrastructure (Core network, Access, Wi-Fi Layer) Engineering…
Forward Network Engineer
Contract: Forward Network Engineer Start: ASAP (on completion of background checks) Duration: 6 Months Rate: £500 - £550 a day inside of IR35 Location: London (2-3 days a week onsite) Reference: 20911 Essential skills:…
Core Engineer (Core Network Engineering Team)
Core network engineer on a Core Network Engineering team for a client building automotive vehicle-connectivity platforms: troubleshooting live 3G/4G/5G-SA issues (GTP, Diameter, Radius, roaming/IPX/GRX), owning tickets end-to-end, and leading integrations on a production MNO/MVNO network, with 24x7 on-call. Based in Riga; needs ~3 years' similar experience plus Polish and English.
Network Engineering Design Lead
Network Engineering Design Lead (Active DV Clearance Required) Location: London (5 days/week on-site) Duration: 6 months The Role: We need a hands-on Network Engineering Design Lead to act as the technical authority…
Principal Network Engineer
We are hiring a Principal Network Engineer to serve as a hands-on technical leader and subject-matter expert for a large-scale enterprise network environment. This role will lead the design and modernization of data…
IT Security & Network Engineer (m/w/d)
IT Network & Security Engineer (m/w/d) Du möchtest IT-Infrastruktur sicher und zuverlässig gestalten und dabei aktiv Verantwortung übernehmen? Dann werde Teil unseres Teams. Deine Aufgaben Planung, Betrieb und…