Communications and Signal Processing Engineering Intern - Summer 2026

CACI International•Colorado Springs, CO

About The Position

We are seeking a Communications and Signal Processing Engineering Intern who is passionate about working closely with customers to solve difficult mission-critical challenges. This position entails the design and implementation of modems and related algorithms, in a software-defined radio environment

Requirements

Enrolled in bachelor’s or master’s degree program in electrical engineering (or equivalent) with an emphasis in communications systems, coding and digital signal processing
Solid understanding of digital signal processing (DSP) for things such as filter design and frequency analysis
Basic understanding of modern communication systems, including digital communications, source and channel coding, detection, equalization, timing and carrier recovery, and common forms of feedforward estimation
Experience with the use of lab equipment, such as oscilloscopes, spectrum analyzers, signal generators, power supplies and digital multi-meters
Experience with algorithm and channel modeling in Matlab, Python or similar
Basic knowledge of C/C++ programming
Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future

Nice To Haves

Knowledge of satellite communications and TT&C applications
Knowledge of satellite air interface standards, such as the various DVB and CCDS specifications
Basic understanding of carrier and symbol acquisition, including phase locked loops (PLLs), open loop maximum likelihood (ML) estimation, and other common estimation techniques

Responsibilities

Work with ARKA engineers to develop and test Software Defined Radio (SDR) waveforms and software for ground and space applications
Model algorithms and waveforms in Python and/or Matlab and deploy them in a C/C++ environment
Write test scripts and create test signals to validate new modem and coding blocks
Review your work with DSP and Software engineers
Present your research, models and test results to other Engineers