Digital Design Engineer - LLJP00001653

Job Title: Digital Design EngineerJob Location: Lexington, MA 02420 Onsite Requirements:System Verilog UVMXilinx RFSoC experienceFPGA development tools Job Description:The Optical Communications Technology Group develops advanced laser communications technology for various applications.Research in optical switching and optical logic supports the development of future ultra-high-speed, all-optical routing.Research in superconducting, single-photon-counting detectors, novel modulation formats, and coding supports the development of future high-data-rate, interplanetary laser communications links.These technologies support the most sensitive optical communications links ever developed, enabling communication of several bits per detected photon across vast distances.Required Skills:Proficient in Verilog, SystemVerilog, VHDL, and C.Ability to take an FPGA from concept to a device that meets all functional and timing requirements, including generating system-level test benches to verify FPGA performance, functionality, and error recovery using Mentor Questa Logic Simulator.Experience with the Zynq Ultrascale+ RFSoC platform.Experience coding across multiple clock domains.Experience coding triple-mode redundancy for radiation resistance.Familiarity with the digital processing architecture for lasercom waveform standards.The candidate must have demonstrated knowledge of and delivered products involving: Xilinx Virtex 5 SIRF FPGA.Xilinx ISE 13.2 with SIRF Overlay.Synopsys Synplicity targeting the Virtex 5 SIRF.Code design for radiation-hardened operation of the Xilinx Virtex 5 SIRF.Radiation-hardened CPUs.Analog to digital converters (ADCs) and digital to analog converters (DACs).SPI, I2C, SpaceWire, and Ethernet protocols.Forward error correction, including Reed-Solomon and DVB-S2.CoaXPress and CameraLink camera interfaces.Differential phase-shift keying (DPSK) and pulse position modulation (PPM) optical modulation techniques.Control loops for synchronization of quantum-entangled sources.Preferred Skills:Ability to communicate effectively with other team members.Ability to design and program a Xilinx MicroBlaze embedded processor.Familiar with Xilinx Vivado and Vivado SDK.Experience with PCIe, CoaXpress, DVBS2 Error Correction, SC-PPM FEC, and PPM modulation and demodulation is also desired.Position Details:This position is working on hardware and is predominantly onsite.There will be some flexibility, but the person should plan to be onsite close to 100% of the time.Skill Matrix:QualificationAssessmentMust HaveDegree LevelBachelors DegreeYesMasters DegreeYesDesignPerforming basic design calculations8 yearsProduct Design8 yearsElectrical/ElectronicsSystem Verilog UVM8 yearsXilinx RFSoC experience8 yearsExperienceFPGA development tools8 yearsHardwareHardware Design8 yearsProgrammingFPGA Programming8 yearsVHDL / Verilog8 yearsNice to HaveSoftware ToolsVivado Software Experience0 years** This client is a US Federal Government contractor and is legally required to hire US Citizens. US Citizens will only be considered for this role. Due to the nature of the work, a United States Government Clearance is preferred to be eligible for the position. **

Created: 2025-02-19