Dx Feedis the leading provider of data services for the Capital Markets industry, sourcing and storing direct market data feeds from a variety of exchanges and market participants around the world, having built one of the most comprehensive ticker plants, in addition to offering the broadest range of data services for streaming, consolidation, storage, extraction, analytics, including index construction and maintenance for buy-side and sell-side institutions of the global financial industry.Job DescriptionWe are looking for an experiencedSenior Systems/Networks Engineerto join the team.We expect the Senior Systems/Networks Engineer to:Oversee and manage critical server and Unix OS subsystems, ensuring optimal configuration and performance,Maintain cloud environments (AWS, GCP),Be active on the assistance for developers, participate in SRE/Dev Ops activities,Collaborate with network and security teams in aligning infrastructure with organizational policies and requirements,Implement and maintain system monitoring, backup, recovery, and automation solutions,Architect, design, install and configure managed installations, cloud-based clusters/networks.Automate cloud and hybrid (on-prem/cloud) platform and systems deployment, including load-based auto-scaling approaches,Be proactive in identifying and troubleshooting problems in testing and production environments (generating solutions and bug reports when required) and monitoring network/systems health and status, and continuously making improvements,Solve critical problems in network environments (multicast routing/latency issues/packet loss/etc) and in Systems, platforms, and data such as: unavailability, outage, inconsistency, misconfiguration, data delays, etc.),Diagnose complex issues within network stack, including low‐level packet capture and OS system analysis,Be engaged in on‐call rotation to ensure 24x7x365 coverage for critical core and customer issues,Provide hands‐on guidance and mentorship to junior systems engineers, ensuring quality and timelines,Contribute to documentation, best practices, and process improvements within the project or business unit,Communicate with clients and partner companies' engineers on technical subjects.QualificationsMust‐have skills:3+ years of experience in UNIX/Linux administration and/or networking,Experience in Amazon Compute Cloud,In‐depth knowledge of TCP/IP and ISO/OSI stack,Solid experience with networking (routing, switching, IP, TCP, UDP, BGP, EIGRP, VPN, DNS) and Cisco IOS,Knowledge of IP Multicast (RP, PIM, IGMP),Technical knowledge to ensure safe, effective, and efficient changes to the network and systems infrastructureCI/CD and Dev Ops/SRE activities experience,Proficiency in shell script languages: awk, perl, etcPreferred experience in cluster technologies and high‐availability systems,Experience in solving complex problems and the ability to handle multiple tasks and projects simultaneously,Strong analysis, investigation, and troubleshooting skills,Good written and spoken English language.Nice‐to‐have skills:Understanding high‐performance, high‐throughput, and low‐latency network technologies,Knowledge of Java programming language,Experience with CDN architectures,Experience with WAN technologies,Experience with Trading/Exchange/Risk management software usage and management,Experience in working with GIT, Ansible, nginx, haproxy, and similar technologies,Experience with Atlassian software (JIRA, Confluence, etc.).Additional Informationdx Feed employees create the art of Fin Tech in comfortable working spaces located in modern business centers around the world. Join our team in Porto and enjoy:Work Regime Flexibility benefits:Possibility of hybrid/remote work modeWork From Anywhere ProgramOccasional business trips to the US/EU/UK (having a valid passport is a heavyplus)Health and recreation benefits:Fully paid additional wellness days (3 unwell days per year)Medical insurance for the employees and childrenReimbursement of fitnessFlexpay systemFacility benefits:Modern office with new equipmentPlay Station, table football, and musical instruments in the officeMeals in the officeFree drinks and snacksCommunity benefits:Teambuilding activitiesCorporate partiesFootball club Music clubSpeakers' clubFree admission to corporate external eventsPossibility of joining conferences and professional fairsLocal language courses for foreign employeesUnlimited access to self‐learning platformsCertification opportunitiesParental bonusPension planReferral bonusBlood donation paid leaveLife in DevexpertsWe will only achieve our mission if we live our culture. We start with becoming learners in all things—having a growth mindset. Then we apply that mindset to learning about our customers, being diverse and inclusive, working together as one, and—ultimately—making a difference in the world.