OverviewiDirectGov's hubs, satellite routers and network management software address the growing complexity of deploying and managing global IP networks. iDirect Government's specialized technology includes transmission security (TRANSEC), Communication Signal Interference Removal (CSIR™) anti-jam technology and Open Antenna Modem Interface Protocol (OpenAMIP). We bring innovation, integration and intelligence to satellite-based IP communications that government and military organizations trust. By providing quality certifications with the most bandwidth-efficient, scalable and highly secure platform, we have rapidly become the technology provider of choice for military and government-driven mission-critical applications.
ResponsibilitiesWe are seeking a team player with solid technical skills to work with our team of smart, creative, and dedicated engineering team-members. This position is based out of our Herndon, VA location with the option of a remote work schedule.
- Designing and testing complex, high speed, FPGA designs
- Designing and supporting top-level simulations
- Translating requirements into FPGA architectures
- Implementing and documenting FPGA designs using HDL (System Verilog, VHDL, etc.)
- Supporting system integration and Test Engineering to produce functional design
- Implementing and contributing to the architecture of next generation satellite communication systems such as DVB-S2X, LPI/LPD, 5G-NR, etc.
- Designing the implementations for further advances in adaptive TDMA, SCPC return channels, including modeling and design of algorithms for real time embedded system implementation and Anti-Jam technologies
- Supporting integration of FDMA and TDMA waveforms
- Creating test plans to assure integrated performance meets specification
- Writing internal and external facing documents about iDirect Government physical layer FPGA technology
- Producing simulations of and designs for communication channels enabling the study of both channel improvement measures, such as pre-distortion/pre-coding as well as overall satellite communication system efficiency
Qualifications- 8+ years of related experience
- FPGA design experience using Verilog/System Verilog or VHDL languages targeting Xilinx/Altera FPGA's
- FPGA design experience with physical synthesis, static timing analysis, formal verification, power analysis, and other DRC centric tools
- Experience with ModelSim/QuestaSim simulation tools
- Experience with Altera/Xilinx development tools
- Demonstrated ability to verify digital logic designs with System Verilog
- Demonstrated understanding in timing closure, clock domain crossings, etc.
- Understanding of Software Defined Radio (SDR) in regards to abstracting hardware
- Experience with HW PCB tools, and HW test equipment to find and debug interfaces at a physical level
- Ability to plan/perform analysis, studies/trade-offs in support of subsystem specification and hardware, FPGA and software design recommendations
- Comfort working closely with HW/RF engineering specialties on design and configuration for RF communication systems
- Experience in writing low-level test software such as C/C++, LabView, Python, etc.
- Experience in Digital Signal Processing on FPGAs and SDR waveform implementation
- Experience in SoC multi-processor designs specifically: Xilinx Zynq MPSoC, Xilinx Versal, Altera SoC FPGA
- Experience with JTAG, DAC/ADC functional and RF parametric test development
- Experience with high-speed interfaces such as JESD-204C, 10/40G Ethernet, Aurora, etc.
- Familiarity in RF chain design and considerations
- RF measurement experience and use of RF test and measurement Equipment such as Spectrum Analyzers, Network Analyzers, signal generators, etc.
- Experience with both Altera and Xilinx design and verification tools
Additional experience in the following areas is a plus:- Experience with various control loops
- Experience with FPGA Direct Memory Access IP (i.e. Xilinx DMA Engine or similar)
- Experience with IEEE 1588/PTP networking
- Experience implementing DSP algorithms in RTL
- Experience with modulators/demodulators, forward error correction, adaptive channels, anti-jam algorithms, etc.
- Familiarity with Networking, TCP/IP, UDP, DHCP, etc.
- Experience with Xilinx and/or Altera high level synthesis tools
- Experience with Matlab/Simulink or equivalent for development of DSP algorithms implemented in FPGA's
- Experience implementing DSP algorithms in System Generator or similar tools
- Satellite Communication experience
- Familiarity with Linux driver development or usage
Education: Bachelor's degree (BA/BS) in Electrical Engineering, Computer Engineering, or closely related field (must be from accredited college or university); MSEE/MSCE preferred
Clearance: Active DoD security clearance or ability to obtain a secret level DoD clearance.
Travel: 0-10%
iDirect Government is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, disability, sexual orientation, gender identity, or protected veteran status.
