4G/5G NTN-TN RF Engineering Architect

Your mission You are a dynamic and results-driven 4G/5G NTN-TN RF Engineering Architect reporting to the Chief Technology Officer, bridging the technical and commercial teams, leading the development and lifecycle of OIQ’s NTN-TN handheld and land mobility MOVE product and embedded software intelligence. You will work cross-functionally across technical, commercial and marketing teams defining product requirements, prioritizing features, and delivering exceptional customer experiences aligned to the company’s strategic and innovative direction. The 4G/5G NTN-TN RF Engineering Architect (m/f/d) is responsible for embedded handheld and mobility product development leadership, planning, execution, test support and accompanying the commercial market rollout of our land mobility and handheld device software product deployment throughout their product lifecycle. You are and will be: Proficient in network planning and simulationLeading OIQ’s digital hardware architecture engineering (particularly for modems and modem accelerators, including application processors, etc.) including communications systems software stacksSupporting the evaluation of component and subsystem-level partners for unique componentsLeading the physical layer and protocol stack software architecture developmentReviewing and evaluating all mission end-to-end logical interfaces including software interfaces and applications related to spaceborne platforms, subsystem and terrestrial handheld user terminal RF control, protocol stacks, battery management, etc.Architecting and developing a hybrid satellite-terrestrial (i.e., NTN-TN) communication solution ensuring seamless interoperability for mobility and handheld device use casesPlanning and executing integration and system test specificationsDefining, managing, translating and integrating user terminal (edge and handheld device) and gateway requirements specifications into wireless system architectures aligned with:3GPP Releases 15 and later, ETSI, ITU, FCC and other respective international standards bodiesDesigning and optimizing radio access (RAN), core and transport network components supporting adaptive, low-latency and high throughput ubiquitous connectivityImplementing network strategies for LEO/MEO/GEO satellite constellations with 5G/LTE/RedCap cellular networksDeveloping and optimizing NTN-TN spectrum sharing, interference mitigation and beamforming strategiesDefining and managing feeder link requirements specifications, includingInterfacing from currently existing terrestrial networks (TN) into the non-terrestrial network (NTN) whereby feeder links exchange both data and controlProviding integrated support to end-to-end mission service provisioning architecture and data path integrity (end-to-end RF communications chain; platform and onboard payload; edge and handheld device user terminals and integrated modems; etc.)Driving board and subsystem-level breadboard development, testing and validation of critical architecture building blocksConducting laboratory and field testing including Over-The-Air (OTA) and real-world drive testing for NTN-TN interoperability across both mobile edge and handheld devicesWorking together with the network design and development team focusing upon:Network simulation;Subsystem integration; andProof-of-Concept deployments and demonstrationsCoordinating external partnerships, as requiredManaging and planning respective deliveries from contract suppliers, including:Milestone definition and execution to plan;Project plan signoffs; andSubsystem integrationsDefining and planning mission and system / subsystem delivery sign-off of subcontractor and partner deliverables including work packages and managing milestone product deliverablesActing as the primary point of contact for all topics related to cellular wireless solutions development and deployment across OIQ’s partner and customer ecosystem while ensuring stakeholder alignment on objectives, timelines and deliverablesWorking closely with hardware, software and AI team members while maintaining detailed technical documentation (i.e., GitHub)Leading and mentoring OIQ’s working student and interns and extended development team members together with the CTO across topics of 4G/5G/LTE across LEO/MEO/GEO NTN-TN ubiquitous session persistent connectivity including regular one-on-one meetings, internal and external presentations and milestones while ensuring smooth interactions across team members Your profile Bachelor's / Master's / Ph.D. in Electrical Engineering, Wireless Communications, Telecommunications, Computer Science or similar fields8+ years’ experience in wireless systems engineering, particularly in cellular handheld and satellite communications within the telecommunications, aerospace and/or automotive sectorsDeep understanding of 3GPP standards, including Release 17+ NTN specifications and cellular protocols (5G NR, LTE, NB-IoT)Expertise in radio access networks (RAN), core networks (EPC, 5GC) and transport networksStrong knowledge of RF communications, beamforming, MIMO, waveform design and link budget analyses for both terrestrial and satellite linksHands-on experience with modulation techniques, spectrum allocation and interference managementFluency in MatLab, HGSS, ADS, Ansys, Python, C++ and/or other simulation tools for wireless system modelingHands-on experience with RF test equipment (vector network analyzers, spectrum analyzers, signal generators)Deep proficiency of modulation techniques (OFDM, QAM, DSSS), MIMO and adaptive RF systemsExperience with embedded systems developmentExperience with testing tools such as Keysight, Rohde & Schwarz, Viavi, Anritsu, Spirent, Amarisoft for cellular and satellite network validationExperience with IoT/embedded systems, edge AI and cloud-based telematics solutionsKnowledge with tools such as Jira, Confluence, Outline, GitHub, Microsoft SuiteKnowledge of underlying technology stack, APIs, and end-to-end architectural componentsCustomer-oriented team leadership with strong communication and presentation skillsDemonstrable success collaborating with diverse stakeholders ensuring product alignmentSolid and confident ability handling ambiguity in a fast-paced environmentFluent in German and EnglishCurrently based in Munich (or soon to be relocating to) with German driver’s license Preferred Qualifications Experience in LEO/MEO/GEO satellite communications and network slicing for NTN-TN integrationHands-on experience with O-RAN, SDN and cloud-native 5G core architecturesHands-on experience with electronically steered antennas (ESAs), phased arrays and mmWave technologiesFamiliarity with V2X, C-V2X, DSRC, edge computing and AI-driven network optimizationPrior work in automotive, rail, agriculture, fleet and/or aerospace connectivity solutionsHands-on experience with containerized networking (i.e., Kubernetes, Docker) Why OrbitsIQ? Work with brilliant minds at the cutting edge of technologyMarket-competitive compensation and benefitsFlexible work hoursSponsored Deutschland ticket (85%)30 days paid leave per year (plus 24th and 31st December)Be part of a culture that fosters growth, collaboration, transparency and funUnique opportunity to directly contribute to, shape and influence the future of the mobility, handheld device and Space industryGreat startup environment with a fabulous network of investors and partnersPositive company culture, short lines of communication, visionary leadershipMultinational teams from diverse industry verticals About Us OrbitsIQ Global (OIQ) is a NewSpace startup providing secure, persistent session, NTN-TN ‘always-on’ hybrid connectivity solutions. Specializing in next-generation services for mobility markets, OIQ powers innovation through its enterprise-class, global coverage, seamless and secure connectivity solutions. We are focused on the elimination of network dead zones while efficiently bridging non- terrestrial and terrestrial (5G) networks for a cohesive and uninterrupted user experience. At the heart of our mission is the commitment to shaping the future of mobility, revolutionizing the world of automated and connected vehicles. At OIQ, we bring market-leading technical and commercial know-how to bear upon our program execution. As a team, we value quality, innovation, teamwork, open conversation, transparency and a commitment to excellence.