Communications and Signal Processing Engineering Intern - Summer 2026

Job Title: Communications and Signal Processing Engineering Intern - Summer 2026

Job Category: Intern/Co-op

Time Type: Part time

Minimum Clearance Required to Start: None

Employee Type: Part-Time On-Call

Percentage of Travel Required: None

Type of Travel: None

Anticipated Posting End: 4/17/2026

The Opportunity:
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

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

Qualifications:

Required: 

• 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

Desired:

• 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

EHS/Environmental Requirements:

While performing the duties of this job, the employee is required to communicate, listen to, and interpret instructions, occasionally operate tools and/or machinery with hands and arms and remain stationary for extended periods of the time. The employee will use protective equipment when working with chemicals, move between workstations, reach, and replace equipment, and move items weighing up to 25 lbs.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.

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What You Can Expect:

 A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range:

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuin