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CACI International Software Defined Radio Engineer (up to 25% Profit Sharing Benefit) in Dulles, Virginia

Job Description

BIT Systems, a CACI Company, offers very rewarding and unique benefits, which equates to 50% of compensation on TOP of your base salary! The first part is a tax-qualified profit-sharing retirement plan, to which BITS annually contributes up to 25% of your base salary (not in excess of applicable IRS limits) to your retirement account. The second component consists of BITS' Individual Benefit Account (IBA), which is used for premiums, medical reimbursements, dependent care, education and Paid Time Off (PTO) policy. Both components of the BITS benefit package are paid for by BITS, in addition to your base salary and potential performance bonuses. We believe in a healthy home/work balance and both of our locations offer a wide variety of activities to balance with your work life. Learn more at

What You’ll Get to Do:

  • Contribute to the development of CACI NSIS’s state of the art Electronic Surveillance and Electronic Attack systems as a member of the Advanced Systems Development division staff. NSIS Develops and Deploys advanced signal processing systems around the world on terrestrial, seaborne, airborne, and space-borne platforms.

More About the Role:

  • Develop/Maintain the software to interface between Software Defined Radio (SDR) Frameworks and COTS/GOTS SDR Hardware’s. This includes command, control and status interfaces (C2S), High Speed Data interfaces (up to 1Gsamp/sec), external antenna and amplifier interfaces.

  • Develop/Maintain FPGA and/or Firmware designs on both vendor and internally developed SDR hardwares. This may include data flow control, received signal time-stamping, precision transmit, front-end digital signal processing (such as sub-band tuning, and spectral estimation), beam-steering, beam-forming.

  • Integrate and ensure the functionality of internally, vendor, and/or partner developed SDR subsystems.

  • Contribute to architectural-level system design and interface decisions, subsystem level component selections.

You’ll Bring These Qualifications:

  • Typically requires a Bachelor or Master of Science in Electrical Engineering, Computer Engineering, Computer Science, Software Engineering or similar engineering discipline.

  • Must have 5+ years of directly related experience

  • Must have 5-15 years of defense/intel industry experience.

  • No clearance is required to begin employment, however you must be eligible for a US Security Clearance for consideration.

  • Must be able to successfully complete clearance upgrade/sponsorship to TS/SCI with Poly for continued employment.

Required Skills:

  • Expertise with Radio Frequency detection, reception, and transmission systems and subsystems thereof, including but not limited to Antenna Systems, Radio Frequency Front Ends, Digitizers, Detectors, Spectrum Estimation, Modulators, Demodulators, Signal Identification

  • Expertise with communications systems and signal theory fundamentals such as lowpass and bandpass filtering, complex baseband representation, intermediate frequencies

  • Expertise designing and implementing software in C, C+, Python, or Matlab, Familiarity with software concepts such as threading, synchronization, interrupt and poll-driven IO

  • Experience interfacing between systems and subsystems in software, hardware, or a combination of both.

  • Experience developing in a Linux environment.

Desired Skills:

  • Experience and exposure to COTS/GOTS Software Defined Radio frameworks such as GnuRadio, RedHawk, or XMidas

  • Experience configuring and interacting with Linux based machines

  • Experience interfacing new Hardware components and/or their features with Linux based machines

  • Experience designing and/or implementing UDP/TCP socket applications.

  • Experience implementing functionality in FPGAs using VHDL or Verilog

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.

Job Location


CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.