DSP Waveform Engineer

We are looking for a team player with solid technical skills to add to our core engineering team. Candidates must have a strong technical background and be capable of coming up to speed on new technologies quickly. Good communication skills, great problem solving skills, and the ability to work both individually and collaboratively in a team environment are required. If you enjoy working in a fast-paced environment with the smartest team and the very latest technology, then this is the job for you!This is an entry to mid-level cross-functional engineering position, supporting the development of our satellite communications equipment. Our products incorporate FPGAs and CPLDs from a variety of vendors including Xilinx and Altera/Intel. In this role, the engineer will be responsible for the creation, simulation, and validation of RTL based designs, including digital communications capabilities. In addition, the engineer will be expected to provide architectural insight to both hardware and software engineers and ensure designs can be successfully integrated into the larger system.iDirect Government is dedicated to providing next generation solutions for broadband IP networking via satellite networks. As the leading innovators in this new space, our diverse and talented team of Internet, satellite and telecommunications professionals continues to break new ground and create significant opportunities for network operators, for service providers and resellers, and for corporate networking professionals. This position is located at iDirect Government office in Herndon, VA.Job Description:The FPGA Waveform Engineer is responsible for:

• Designing and testing DSP-based, high speed FPGA designs
• Designing and supporting top-level digital communication design and system simulations

Translating requirements into FPGA/waveform architectures
• Implementing and documenting FPGA designs using HDL (System Verilog, VHDL, etc.)

Supporting systems integration and Test Engineering to produce functional design
• Producing simulations of and designs for both channel improvement measures, such as spectral bandwidth efficiency, and user density improvement measures, such as interference mitigation/cancellation, multiuser detection, and phased array antenna techniques

Designing the implementations for further advances in adaptive TDMA, SCPC return channels
• Designing and the implementation of anti-jam DSP techniques implemented in FPGA logic
• Writing internal and external facing documents about iDirect Government physical layer FPGA technology

• FPGA design experience using Verilog, VHDL or System Verilog language targeting Xilinx/Altera FPGA?s
• FPGA design experience with physical synthesis, static timing analysis, formal verification, power analysis, and other DRC centric tools

Knowledge of DSP and digital communications. Understanding of time domain versus frequency domain analysis, filter structures, and modulation/coding algorithms. Ability to describe and architect trade-offs for resource-limited systems.
Experience Matlab/Simulink or equivalent for development of DSP algorithms implemented in FPGA?s
• Experience with digital PCB design, and hardware test equipment

Experience with JTAG, DAC/ADC functional and RF parametric test development
• Experience with high speed interfaces such as JESD-204B, 10/40G Ethernet, XAUI, etc.

Ability to plan/perform analysis, studies/trade-offs in support of subsystem specification and hardware, FPGA and software design recommendations
• Experience in architecting or designing and testing systems/fixtures in a multi-language scripting environment including C, LabView, Python, etc
• Experience in RF lab, including network setups (switches, cables, amplifiers and filters) and signal analysis (Spectrum Analyzers, Network Analyzers, signal generators, etc.)

Experience with digital communications and control theory - stability and feedback control
• Extensive experience with both Altera and Xilinx design and verification tools
• Experience of RFIC design, designing microwave blocks such LNA, PA, TTD, and Phase shifters

Experience with Xilinx and Altera System-on-Chip devices: Xilinx Zynq-7000, Xilinx Zynq MPSoC, Altera SoC FPGA
Background in RF chain design and considerations
Background in anti-jam methodologies and design considerations
• Familiarity with Networking, TCP/IP, UDP, SIP/RTP, DNS, DHCP, etc.
• Experience with C/C, bash, Python programming, etc.

Experience with Xilinx and/or Altera high level synthesis tools
• Experience in an Agile/Scrum environment
• Satellite Communication experience

• Bachelor's degree (BA/BS) in electrical engineering, computer engineering, or closely related field (must be from accredited college or university); MSCS/MSEE would be a plus
• Minimum five years related experience