Description Leidos Defense Systems is seeking a Principal Radar Engineer to join a talented team within the RF System Technologies Department. The department’s goals include radar system development, integration, and testing. These goals include the inhouse development of hardware subsystems to include T/R modules antennas, and digital receiver/ exciters using a combination of IRAD and customer funding. The department performs radar design, hardware builds, algorithm development, software development, HWIL testing and analysis across a variety of both research and development and operational tasks.Primary ResponsibilitiesThe candidate will support a broad set of phased array radar hardware and software design, prototyping, integration, testing, and analysis activities. Experience in following areas is desired:RF design – Up/Down converters, oscillators, analog and digital beamforming networks, RF cascades, transceivers, phased array antenna performance tradesSignal processing – Waveform design, matched filtering, detections processing, clutter rejection, target feature extractionCalibration – Far-field and/or near-field calibration techniques for AESAsTracking – Design and analysis of Kalman filters, IMMs, detection to track association varietiesRadar Resource Management – Scheduling techniques for optimally commanded the AESAs front end hardwareRF Test Equipment – Experience with RF troubleshooting equipment such as Vector Network Analyzers, oscilloscopes, and signal generatorsBasic QualificationsBS in Electrical Engineering or equivalent degree from an ABET-accredited institution.12+ years of experience in the design, development, and testing of Radar systems or 10+ with MS degree.Demonstrated performance in one or more of the experience areas.Must be a US citizen and be a resident of Huntsville, Alabama, or be willing to relocate to the Huntsville, Alabama area.Candidate must be a US Citizen and possess (and be able to maintain) a Final Secret Clearance.Preferred QualificationsMaster of Science in Electrical Engineering or equivalent degree from an ABET-accredited institution.Demonstrated performance in all the experience areas.Original Posting Date:2024-08-06While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $122,200.00 - $220,900.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Leidos Defense Systems currently has an opening in our Uncrewed Systems Integration and Test Team for a Communications Signal Processing Engineer to work in our Huntsville, AL office. This is an exciting opportunity to help DoD Uncrewed Systems pioneer new data communications technology ensuring mission success.Primary Responsibilities.The Communications Signal Processing Engineer will research and develop advanced signal processing algorithms and perform test and analysis of advanced protected (anti-jam [AJ] / low probability of detection [LPD]) waveforms, providing performance and vulnerability assessments to our DoD customers for existing and candidate UAS data link waveforms. Our team provides technical subject matter expertise (SME) for government product offices to aid in product improvement and acquisitions, thus ensuring our customers can cost-effectively maximize capability as new, advanced communications capabilities are sought.Basic QualificationsMS in Electrical Engineering or Physics plus 5 years of relevant signal processing experience in communications and/or Electronic Warfare (EW) environments.Requires excellent communication and organizational skills, attention to detail, and a strong background and demonstrated skills in the following:• General signal processing expertise (signal modeling, filter modeling, noise modeling, Fourier transforms, etc.)• Communications waveform modulation theory (PSK, QAM, etc.)• Spread LPD waveforms (DSSS, FHSS, MCSS, hybrid methods, etc.)• Signal detection theory (energy detection, feature detection, etc.)• Cyclostationary feature analysis (cyclic autocorrelation, cepstral analysis, etc.)• Basic MATLAB programming (cell arrays, structs, tables, graphics, MATLAB path, data import and export, etc.)• Object Oriented MATLAB programming (methods, properties, and their attributes; value and handle classes; object arrays; etc.)• Technical research experience (IEEE journals, etc.) and implementation of findings via algorithm development• Data analysis• Strong knowledge of RF concepts (RF testing, RF propagation, RF schematics, link budgets, etc.), especially in relation to over-the-air signal detection• Hands-on test equipment experience (spectrum/signal analyzer, signal/function generator, oscilloscope)• Technical writing and report/presentation generation with great attention to detail and professionalism (to formally convey analysis results to customers)The candidate must be a US citizen and possess (and be able to maintain) a Final Secret Clearance and meet the eligibility to obtain a Top-Secret Clearance.Must be a resident of Huntsville, Alabama, or be willing to relocate to the Huntsville, Alabama area.Original Posting Date:2024-08-09While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $122,200.00 - $220,900.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.