Engineer; Communication Systems

LS Technologies, a Tetra Tech Company, is seeking an Electrical Engineer with technical expertise to support the test, evaluation, and analysis of Federal Aviation Administration (FAA) Air Traffic Control Communication Systems.

• Provides engineering expertise in the application of state-of-the-art technology to meet mission requirements.
• Planning, developing and executing Operational Test Cases which validate Operational Suitability of Air traffic Control Communications Systems and evaluation of Air to Ground
• Protocol Converter contractor test plans procedures and reports.
• Develops and executes procedures for measurement of Internet Protocol (IP), analog and discrete signals such as: IP to analog or discrete signal conversion delay, voice delay, idle channel noise, impulse noise, AGC, intermodulation distortion, and encoding/decoding of EUROCAE ED-137 messaging.
• Primary duty is support of technical performance testing for the Air-to-Ground Protocol Converter (Converts EUROCAE ED-137C VOIP audio and signaling to analog voice and discrete control signals for FAA Radios) and Ground-to-Ground Protocol Converters (Converts EUROCAE ED-137C VOIP audio and signaling to telecommunications trunk audio and signaling for interfacing between FAA ED-137 compliant VOIP Voice Communication legacy telecommunication trunks).

• Must have 5+ years’ experience in basic engineering concepts.
• TCP/IP protocol stack elements utilized in Voice over Internet Protocol (VoIP) communication systems(e.g. Session Initiation Protocol, Real Time Transport Protocol).
• Knowledge of basic Linux commands.
• Knowledge of IPv4 networking principles.
• Knowledge of network impairment testing and reporting.
  
  Knowledge of communications equipment performance parameters such as latency, frequency response, jitter, packet loss, analog audio / discrete signals, VoIP audio levels, and audio delay
• Knowledge of Test and Evaluation (test plans, procedures, conduct, problem identification, and reports)
• Experience with Wireshark or equivalent software.
• Bachelor’s degree in engineering (computer or electrical) from a college or university with a degree curriculum accredited by the Accreditation Board for Engineering and Technology (ABET). Master’s Degree in related field may be substituted for Bachelor’s degree and 3 years of experience. PhD in related field may be substituted for Bachelor’s degree and 7 years of experience.

• General awareness of EUROCAE ED-137C and ED-138 standards, and their applicability to the specification, design, development, and test of FAA NAS IP voice communication systems
• National Instruments Lab VIEW software application development
• Python programming language coding or other software development
• Knowledge of IPv6 networking principles.
• GL Comm application experience (e.g., MAPS, Voice Quality Test (VQT), VQUAD).
• Knowledge and experience with Cisco switch configuration and operation.
• Ground to ground telephony experience.
• Knowledge of Environmental Test Standards and Methods (e.g., MIL-STD-810, Shock & Vibration Testing, EMI/EMC Testing, Humidity Testing, etc.).
• Knowledge of Power Test Methods (e.g. Inrush current, power factor, and total harmonic distortion).
• Knowledge of NAS communication system architecture.
• Experience using Code Beamer

• Work location:
  
  Atlantic City, NJ (The William J. Hughes Technical Center)
• Work Hours:
  
  40
• Travel: 20%
• Physical requirements:
• Extended Computer Use:
  Regular and prolonged periods of working at a computer terminal.
• Lifting and Carrying:
  Occasional lifting of equipment and materials weighing up to 50 pounds may be required during installations or…