The following experience is desirable: Design, layout, and fabrication of photonic integrated circuits; Electro-optical systems and components, including modulators, waveguide gratings, optical amplifiers, and photodetectors; Microwave photonics, and RF and analog circuit design; Photonic and electromagnetic design and simulation tools; Laboratory characterization of electro-optical systems, including experience with lasers, photodiodes, optical spectrum analyzers, RF signal analyzers, and oscilloscopes, and with test automation; Systems engineering practice, including requirements definition and interface documentation; Environmental and performance testing to qualify hardware for spaceflight, and experience advancing instrument technology readiness levels. Principal responsibilities include: Architectural design, layout, and component-level development of Photonic Integrated Circuits, supported by circuit, subsystem, and microwave-photonic modeling; Hardware validation spanning chip-level and module-level photonic testing, full photonic system characterization, and instrument-level integration of the photonic subsystem; Systems engineering, including defining system requirements, generating interface documents, and specifying parts and Ground Support Equipment (GSE) for procurement; Laboratory operations, including maintaining and developing lab infrastructure with an emphasis on equipment automation; Documenting technical work, tracking project progress, and communicating outcomes through formal written reports and oral presentations.