Logos Space

Logos Space

Navigation Engineer (PNT Signal-in-Space)

Mountain View, CA · Contract

Sponsorship not specifiedDetected 19 days ago
Data StructuresGitLinuxCybersecurityFPGAAerospace EngineeringElectrical EngineeringSignal ProcessingResearchCommunication

About the role

  • This role focuses on the space-side definition, generation, and verification of the PNT signal-in-space, including PRN/spreading-code structure, navigation message content, onboard signal-generation behavior, timing relationships, and the interfaces required to broadcast a correct and usable navigation signal.
  • Depending on level, you will contribute to or independently own well-scoped portions of the signal-in-space stack, such as PRN/code design and assignment, navigation message structure, signal timing, modulation definition, payload signal-generation interfaces, Signal-in-Space ICD development, conformance testing, or verification against payload and system requirements.
  • We are looking for engineers who can work well in a fast-paced environment, turn incomplete requirements into practical signal definitions and implementation plans, and collaborate closely with adjacent teams across navigation, payload, flight software, timing, RF, security, ground systems, and receiver validation.

Responsibilities

  • Develop and maintain the Signal-in-Space Interface Control Document, including signal definitions, navigation message content, field semantics, timing behavior, implementation notes, change control, receiver-facing interpretation, and requirements traceability.
  • Support the development and maintenance of the PNT signal-in-space specification for a LEO constellation, including PRN/spreading-code structure, data and pilot channel structure, symbol timing, navigation message framing, coding, synchronization, and signal timing relationships.
  • Support definition of frequency plans, bandwidth, modulation, coding, message data structure, power allocation, link budget, spectral containment, and signal compatibility trades.
  • Build analysis and simulation tools to generate representative baseband/IQ signals, validate navigation message structure, analyze signal performance, and support payload and receiver-facing verification.
  • Develop conformance tests and golden-reference data products to verify that flight, payload, simulator, and test implementations match the Signal-in-Space ICD.
  • Support integrated test campaigns, payload verification, software-in-the-loop testing, hardware-in-the-loop testing, commissioning, flight-data investigations, and anomaly response as needed.
  • Logos Space is building a proliferated Low Earth Orbit (pLEO) constellation to deliver resilient, high-performance connectivity to enterprise and government users worldwide.
  • In this role, you will help define and implement the signal that our satellites generate and transmit.

Requirements

  • Bachelor's degree in Electrical Engineering, Aerospace Engineering, Computer Science, Physics, Applied Mathematics, Telecommunications, or a related STEM field, or equivalent practical experience.
  • Experience defining, implementing, testing, or validating digital signal-generation or signal-processing algorithms.
  • Working knowledge of timing systems, reference frames, orbital mechanics, or how navigation data products interface with signal generation and user navigation.
  • Experience with Linux-based development environments, Git, and automated testing.
  • The Navigation team at Logos Space is building the capabilities required to generate, transmit, and validate PNT signals from our LEO spacecraft.
  • Employment offers are contingent on the candidate's ability to access export-controlled information in accordance with U.S. law.

Nice to have

  • Master's or PhD in Engineering, Math, Physics, or a related field with specialization in GNSS, PNT, signal processing, communications, navigation payloads, or satellite systems.
  • Experience with LEO PNT, LEO satellite communications, high-Doppler signal environments, spaceborne navigation payloads, or GNSS augmentation systems.
  • Experience designing or analyzing PRN/spreading-code families, pilot/data structures, signal acquisition behavior, or code/carrier tracking implications.
  • Experience with public GNSS signal specifications or ICDs such as GPS, Galileo, BeiDou, or related navigation signal standards.
  • Experience with signal-in-space requirements, payload requirements, requirements traceability, design control, interface control, or change-control workflows.
  • Experience with navigation signal authentication, navigation message authentication, anti-spoofing, cryptographic field allocation, or secure signal design.
  • Experience with RF/baseband signal-generation chains, SDR-based testbeds, GNSS simulators, RFSoCs, FPGA-based signal generation, or hardware-in-the-loop validation.
  • Experience supporting integrated payload test, satellite commissioning, RF testing, mission operations, or anomaly investigation.

Company info

  • As part of that effort, the Navigation team is designing and building the software and infrastructure for spacecraft timing, astrodynamics, maneuver planning, orbit determination, and related navigation workflows used across flight and ground systems.

Equal opportunity

  • Logos Space is an equal opportunity employer and values creativity, curiosity, and diverse perspectives.

Visa & Work Authorization

  • Government Security Clearance
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This listing is sourced directly from Logos Space's careers page and normalized into a canonical job model.