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CACI International Inc · 11 hours ago

RF Design Software Engineer

US FL Melbourne

Full-time

Onsite

Senior Level, Lead/Staff

$100K/yr - $220K/yr

10+ years exp

CACI International Inc is a company dedicated to ensuring the safety of the nation. The RF Design Software Engineer will be responsible for the design, development, and testing of complex RF and mixed signal circuit boards, collaborating with various engineering teams throughout the process.

Information TechnologyService IndustrySoftware

Comp. & Benefits

No H1B

U.S. Citizen Only

Responsibilities

Design, implement, and optimize DSP algorithms for RF applications such as modulation/demodulation, filtering, FFTs, channelization, and digital down/up conversion

Develop and maintain embedded Linux applications using PetaLinux on Xilinx SoC platforms

Interface embedded software with FPGA logic using AXI, DMA, interrupts, EMIO, and memory-mapped peripherals

Communicate with and control programmable RF devices, including: RF attenuators, PLLs and frequency synthesizers, Programmable gain amplifiers, RF upconverters and downconverters, High-speed RF ADC and DAC devices, Interface and control of ADC/DAC JESD information for signal processing

Implement and debug SPI, I²C, GPIO, and register-level control interfaces

Support JESD204 (A/B/C) link bring-up in coordination with FPGA and hardware teams

Perform system bring-up, debugging, calibration, and performance optimization

Collaborate with RF, FPGA, hardware, and systems engineers on architecture and requirements

Validate designs using RF lab equipment (spectrum analyzers, signal generators, oscilloscopes, VNAs)

Document software, algorithms, interfaces, and test procedures

Write low level firmware for board level controls via FPGA and/or microcontroller in VHDL and/or C/C++

Qualification

DSP algorithmsEmbedded LinuxFPGA designRF transceiversAXI interconnectsGNU toolchainsWireless systemsVHDLC/C++SPII²CGPIO

Required

Ability to obtain security clearance

4-year degree in college in an engineering discipline

10+ years of electronics design experience

Experience with RF transceivers (e.g., Analog Devices AD936x, AD908x, or similar)

FPGA design experience using Vivado and/or Vitis

Understanding of Digital Electronics and able to follow Schematic diagrams

Familiarity with AXI interconnects, DMA engines, and high-throughput data paths

Experience with spidev, IIO frameworks, or custom Linux drivers

Knowledge of GNU toolchains, cross-compilation, and Yocto-based workflows

Understanding of wireless or SDR systems (LTE, 5G, Wi-Fi, radar, or custom waveforms)

Preferred

Experience working with Cadence tools including schematic design with OrCad

Experience writing Interface Control Documentation or high-level design documents

Experience writing automated test code and control of external test equipment

Familiarity with PIC microcontrollers

Knowledge of STM32 ARM microprocessors and software development

Able to use test equipment such as an oscilloscope and/or logic analyzer in the debug of device control interfaces

GUI design experience in C# or C,C++ for PC control and test application development

Benefits

Healthcare

Wellness

Financial

Retirement

Family support

Continuing education

Time off benefits

Company

CACI International Inc

Glassdoor4.0

At CACI International Inc (NYSE: CACI), our 25,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security.

Founded in 1962

Arlington, Virginia, USA

10001+ employees