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Digital Signal Processing Engineer- TS​/SCI Poly

Job in Sterling, Loudoun County, Virginia, 22170, USA
Listing for: CACI International Inc
Full Time position
Listed on 2026-05-29
Job specializations:
  • Engineering
    Software Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 104200 - 229200 USD Yearly USD 104200.00 229200.00 YEAR
Job Description & How to Apply Below
Position: Digital Signal Processing Engineer- TS/SCI with Poly

CACI seeks a talented Communications Engineer to join our Advanced Solutions Group, within the National Security and Innovative Solutions Sector. We enable national security missions through creation and delivery of innovative, technology-centric solutions that provide decision advantage to our customers. Our client engagement processes, the way we collaborate, operate and deliver value provides an unparalleled opportunity to grow and advance.

What You’ll Get to Do:

  • Design, develop, debug, and test of signal processing algorithms running on a variety of platforms supporting intelligence, defense, and other government missions.
  • Design, develop, integrate, and test software and DSP algorithms.
  • Design, develop, integrate, and test software for Machine Learning applications.
  • Enhancing and maintaining existing X-Midas and M2

    Extra tools which are used by signal analysts.
  • Help define the requirements, CONOPs and architecture for future systems.
  • Use computer-assisted engineering and design software and equipment to perform engineering tasks.
  • Development of analytic signal processing tools.

You’ll Bring These

Qualifications:

  • A background in digital signal processing (DSP) and communication theory
  • Experience programming in either Python, Java, C++, or any object- oriented or functional language
  • Linux software development experience
  • Demonstrated proficiency in communicating technical and analytical information in written products
  • Exposure to all phases of software development lifecycle (concept, design, implementation, test, and production)
  • Active TS/SCI with Poly clearance.
  • Bachelor’s degree in relevant engineering disciplines (e.g. Electrical Engineering, Computer Engineering)
  • 10+ years of related experience in relevant engineering disciplines (e.g. Electrical Engineering, Computer Engineering, Computer Science)
  • Software Development skills with object-oriented languages
  • Background digital signal processing an communication theory
  • Linux software development experience

These Qualifications Would be Nice to Have:

Understanding of software defined radio systems:

  • Receiver architectures
  • Software channelization
  • Modulation/demodulation techniques
  • Spectral analysis
  • Experience with X-Midas in the development of RF transmission and receiver systems or software defined radio
  • Experience processing signals using Matlab, Octave, or another software tool suite
  • Experience with telemetry systems

Knowledge and experience of processing signals, including:

  • Error correcting codes
  • Digital video formats
  • Knowledge and experience with target tracking systems
  • Knowledge and experience performing machine learning techniques
  • Experience in design, development, or testing of weapons systems
  • Development of link budgets, range estimates, and system sensitivity assessments
  • Knowledge of and experience with Geolocation and Direction Finding
  • Kalman filtering
  • Polyphase filtering

What We Can Offer You:

  • We’ve been named a Best Place to Work by the Washington Post.
  • Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.
  • We offer competitive benefits and learning and development opportunities.
  • We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.
  • For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.

Company Overview:

CACI is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other protected characteristic.

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. Learn more here

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$104,200-$229,200

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