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Job description
Description
Today, Electronic Warfare (EW) is a growing enterprise – protecting the warfighter and our national security against ever‑adapting threats. Our division currently has an exciting opportunity for a Software Defined Radio (SDR) Engineer to perform design, development, and hardware/software integration in Arlington, VA for the Electronic Warfare Division.
Our division primarily focuses on research & development and advanced prototyping, transforming state‑of‑the‑art signal processing algorithms into real‑time software systems deployed on advanced RF platforms.
The successful candidate will be an individual contributor responsible for designing, developing, and integrating high‑performance SDR solutions using Ettus Research USRP platforms . This role requires expertise in real‑time RF signal processing, low‑latency streaming architectures, and software development close to the hardware layer. The ideal candidate is comfortable building production‑grade SDR systems from the ground up and optimizing them for demanding operational environments.
Primary Responsibilities
Design, develop, and deploy advanced SDR systems using Ettus Research USRP hardware
Develop high‑performance SDR applications using: C++
UHD (USRP Hardware Driver)
Implement and optimize: Real‑time DSP pipelines
Custom waveform generation
Modulation/demodulation chains
RF streaming architectures
High‑throughput signal processing systems
Interface directly with: FPGA‑based SDR architectures
High‑speed Ethernet transport layers
RF front ends and synchronization systems
Develop software for low‑latency and real‑time RF applications
Perform RF system integration, testing, calibration, and troubleshooting
Analyze and optimize: Spectral performance
Timing synchronization
Throughput bottlenecks
RF impairments
Integrate SDR platforms into larger communications, sensing, or EW architectures
Produce technical documentation, interface definitions, and software architecture artifacts
Support lab and field testing activities, travel up to 15%
Basic Qualifications
Bachelor's degree in: Electrical Engineering
Computer Engineering
Computer Science
Related technical discipline
Must have 8+ years of experience including strong hands‑on experience with: Ettus Research USRP platforms (X310/X410, N320/N321, X440, B‑Series platforms)
Strong proficiency in: Modern C++
Python
Linux systems programming, including Linux performance optimization
Multithreaded and concurrent software architectures
Experience deploying systems with Red Hat Linux
Experience developing with: UHD API
Real‑time streaming systems
High‑rate packet processing
Socket programming
Low‑latency software architectures
Ettus RF Network On Chip (RFNoC) architecture
Strong understanding of: RF fundamentals
Wireless communications systems
IQ signal processing
Digital modulation techniques
Wideband RF architectures
Spectrum analysis
Experience implementing: OFDM
QPSK/QAM
Channel estimation
Synchronization algorithms
FFT/channelization pipelines
Adaptive filtering
Signal detection and classification
Time/frequency synchronization
Position requires an active Secret security clearance or the ability to obtain and maintain one
Preferred Qualifications
Experience with: Electronic Warfare (EW)
SIGINT/ELINT systems
Tactical communications
Spectrum operations
Radar or RF sensing systems
Familiarity with: Xilinx FPGA architectures
Vivado
Verilog/VHDL
Hardware acceleration pipelines
Experience with: 10/40/100 GigE transport
GPSDO/PPS synchronization
Distributed SDR architectures
Real‑time operating systems
Familiarity with: MIMO systems
Beamforming
SATCOM architectures
Active Top Secret clearance preferred
Desired Traits
Strong systems engineering mindset
Ability to troubleshoot complex RF/software interactions
Comfortable working directly with hardware in lab and field environments
Capable of building production‑grade SDR software from the ground up
Strong debugging, optimization, and performance tuning skills
Self‑starter capable of operating in fast‑paced R&D environments
Pay and Benefits
Pay Range: $107,900.00 - $195,050.00
Pay and benefits are fundamental to any career decision. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at
Commitment to Non‑Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
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Worksite address
arlington, VA, 22201, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.