DSP Engineer

2 days ago

Chantilly, Virginia, United States GCI Incorporated Full time

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

Required Knowledge/Skills
At GCI, we solve the hard problems. As a DSP Engineer, a typical day will include the following skills and duties:

  • Demonstrated capability in scientific programming with C, C++, or similar high-level language on UNIX/Linux
  • Knowledge of wireless technology, digital/analog communications, or RF signals
  • Derive requirements, conceptualize, define, design & prototype systems engineering solutions
  • Experienced in unit testing, system testing, and regression testing
  • Experience in designing, developing, and integrating digitized signal transport over IP network architectures
  • Experience with filter design and signal modulation and demodulation
  • DSP programming for real-time systems
  • Familiarity with signal processing hardware
  • Ability to analyze systems and communication channels and choose modulation and coding (including code design, rates, puncturing schemes) that are most appropriate to maximize performance
  • Contribute to algorithm design, analysis and architecture specification for DSP blocks of a digital front end for various radio architectures
  • DSP Techniques including FFTs, digital up and down conversion, decimation/interpolation, IQ demodulation, Z Transform, Digital Filters (FIR, IIR)
  • Familiarity with development suites such as MATLAB, Python, or X-Midas for signal processing tasks
  • Degree in Electrical Engineering, Computer Science, (or a related engineering field degree) from an Accreditation Board for Engineering and Technology (ABET) accredited program
  • Active Secret or TS clearance and the ability to maintain clearances required, with the desire to upgrade with a polygraph

Desired Qualifications/Skills

  • Proficient in testing and debugging RF systems hardware
  • Experience with control and status of parabolic and phased array antenna
  • Familiarity with antenna theory, propagation, link budgets, modulation techniques, and receiver/transmitter architectures
  • Familiarity with standard classes of codes, including BCH, Reed-Solomon, Reed-Muller, Convolutional Codes, Turbo Codes, LDPCs, Polar Codes
  • Experience with, ADCs & DAC interfacing, digital communications bus protocols (RS232/RS422/RS485, I2C, I2S, SPI, McBSP, CAN), high speed signaling (LVDS, LVPECL), and SoC cross-domain interconnect (e.g., AXI), is required
  • Analyze RF network system performance and participate in system-level troubleshooting, working with disparate system engineering teams to identify, analyze, and resolve technical issues and verify modifications.
  • Version Control Software (e.g. SVN, Git)
  • Issue Tracking Software (e.g. JIRA, Redmine, Trello)
  • Experience with Test Automation and Continuous Integration

Desired Certifications

  • Internet Protocol Engineering Professional
  • Security+
  • International Association for Radio Telecommunications and Electromagnetics Engineer
  • Registered Communications Distribution Designer
  • Certified Telecommunications Network Specialist
  • Certified Wireless Network Administrator
  • Computer system administration

A candidate must be a US Citizen and requires an active Secret or TS clearance with ability to upgrade to TS/SCI with polygraph.
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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