Wireless Protocols Software Engineer

CACI International Inc

Wireless Protocols Software Engineer focusing on building software-defined protocol processing frameworks and applications. Collaborating with engineers to create highly optimized protocol processing engines.

Posted 5/10/2026full-timeDulles • Colorado, Illinois, Maryland, Virginia • 🇺🇸 United StatesJuniorMid-Level💰 $82,100 - $172,400 per yearWebsite

Tech Stack

Tools & technologies

Linux

About the role

Key responsibilities & impact

Define, design, implement, and test components of wireless protocol stacks, ranging from physical layer (PHY) algorithms to layer 2/layer 3 procedures.
Contribute to systems-level engineering discussions that reconcile the various use cases for our software in pursuit of best-in-class solutions.
Work with customers (both internal and external to CACI) to help integrate our solutions into a wide variety of applications and use cases.
Debug, test, and validate our capabilities using both unit tests as well as scenarios reported by our end users.
Travel to other CACI locations and/or customer sites in the US as necessary (travel requirement is typically 0 - 15%).

Requirements

What you’ll need

A bachelor's degree (or higher) in Computer Science or Electrical Engineering or equivalent technical degree or an additional 4+ years of experience in lieu of degree.
2-4 years of related experience in an industry environment.
Experience with Signal Processing or DSP.
Experience writing software for Linux-based operating systems.
C/C++ programming experience (or proven ability in an alternate object-oriented language) shown through project work or code examples.
Demonstrated ability to read and understand technical specifications, and create software-based implementations of the procedures and methods described therein.
Excellent communication and interpersonal skills.
Previous experience with wireless protocols (e.g., 3GPP cellular protocols, IEEE wireless standards, and/or ITU/ETSI-defined mobile radio standards).

Benefits

Comp & perks

Comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Signal ProcessingDSPC programmingC++ programmingLinux-based operating systemswireless protocol stacksphysical layer algorithmslayer 2 procedureslayer 3 proceduresunit testing

Soft Skills

communication skillsinterpersonal skills

Certifications

bachelor's degree in Computer Sciencebachelor's degree in Electrical Engineering