Infrastructure Server Engineer

Role :: Infrastructure Server EngineerLocation :: Downtown NYC(Onsite)The engineer will serve as a bridge between IoT devices, internal technology teams (networking, security, proxy, firewall), and external vendors — owning onboarding, troubleshooting, configuration, and lifecycle management of devices across global office locations including New York, London, and future programme sites.Key ResponsibilitiesOnboard IoT devices onto the SD Access fabric — registering IPs, configuring MAC addresses, DNS records, NTP, and validating end-to-end connectivityTroubleshoot device connectivity issues in collaboration with ENS, proxy, firewall, and security architecture teams — including running or requesting packet captures where neededConfigure and support a mixed device estate: SaaS applications, physical vendor appliances, and virtual machines hosted in the DMZSupport and execute proof-of-concept (PoC), request for proposal (RFP), and request for enhancement (RFE) initiatives across IoT systemsManage the device asset lifecycle — from deployment and configuration through to maintenance and decommissionLiaise with vendors and internal engineering teams to ensure devices meet the firm’s security and infrastructure policies, including security architecture review (SECR) processesMaintain clear technical documentation and communicate complex infrastructure topics to non-technical stakeholdersParticipate in building migrations and deployments, which may require occasional out-of-hours and weekend availability to support global time zones Required QualificationsHands-on experience with both Linux and Windows server administration — not theoretical; must be able to troubleshoot and configure in both environmentsSolid foundational understanding of networking concepts: DNS, DHCP, NTP, IP addressing, wireless MAC registration, 802.1X authentication, packet capture methodologyWorking knowledge of security protocols and concepts: firewalls, proxy servers, certificates, SAML, OIDC, and single sign-on (SSO) — understanding not just what they are but why they are usedExperience configuring and troubleshooting IoT or physical devices — understanding how devices communicate with upstream servers and cloud endpointsFamiliarity with APIs and how applications communicate across infrastructure layersComfortable working across a mixed environment of SaaS platforms, physical appliances, and virtual machinesComfortable with occasional weekend and out-of-hours work during active migration periods