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Job Title: DSP Communications Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: 9/25/2026 The Opportunity: CACI is seeking experienced DSP Communications Engineers who are passionate about working closely with customers to solve difficult mission-critical challenges. This position entails the design and implementation of RF signal processing, communications modems and related algorithms, in a software-defined radio environment for ground-based software implementations and space-based embedded systems. Responsibilities: Contribute to the design of modulators, demodulators and synchronization algorithms for RF communication waveforms Implement modern forms of channel coding, including trellis coded modulation and decoding, low density parity check coding (LDPC) and turbo coding.

Design and implement new RF signal processing capabilities and waveforms for advanced applications including signal monitoring, detection, and parameter estimation Model algorithms and waveforms in Python and/or Matlab, and deploy them in a C/C++ environment. Present research, models and test results to non-technical audiences in a clear, concise form. Work closely with software, firmware, and hardware team members to deploy functional implementations on CACI's software-defined radio platforms.

Qualifications: Required: 5+ years of related work experience with at least a Bachelor's degree in Electrical Engineering (or equivalent), with an emphasis in communications systems, coding, and digital signal processing. Familiar with digital signal processing (DSP) for things such as filter design and link-level simulation. Deep 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 communications and signal processing algorithm and channel modeling and simulation in Python or Matlab. Basic knowledge of C/C++ programming with a willingness to become proficient if hired. All candidates must be U.S

citizens with the ability to obtain a security clearance. Desired: Current TS/SCI security clearance. Advanced degree in Electrical Engineering or related field with an emphasis in communications systems and signal processing.

Familiar with satellite RF communications systems, telemetry, tracking, and control (TT&C) standards, including universal S-band (USB), Tracking and Data Relay Satellite (TDRS), and the Space Ground Link System (SGLS). Conversant in satellite air interface standards, such as the various DVB and CCSDS specifications. Conversant in methods and techniques for carrier and symbol acquisition, including phase locked loops (PLLs), open loop maximum likelihood (ML) estimation, and other common estimation techniques.

Familiarity with Python, including the MATLAB-like features of Python is a plus. - 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, continuing education, and time off benefits. The proposed salary range for this position is: $82,100-$172,400 CACI is an Equal Opportunity Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.