Sr DSP Software Engineer

Summary:

VIAVI (NASDAQ: VIAV) is a global provider of network test, monitoring and assurance solutions for telecommunications, cloud, enterprises, first responders, military, aerospace, and railway.

VIAVI is also a leader in light management technologies for 3D sensing, anti-counterfeiting, consumer electronics, industrial, automotive, government and aerospace applications.

We are the people behind the products that help keep the world connected at home, school, work, at play, and everywhere in between.

VIAVI employees are passionate about supporting customer success and we welcome people who bring their best every day to the company – to question, to collaborate and to push for solutions that will delight our customers.

Duties & Responsibilities:

VIAVI Solutions is hiring an experienced DSP Software Engineer to join the software development team designing the next generation in resilient alternative Positioning, Navigation, and Timing (aPNT) receiver technologies.

Supported technologies include: the latest emerging Satellite radio signal reception and decoding, timing synchronization, algorithms for geo-location and navigation including Doppler estimation, signal filtering for jamming and spoofing immunity, INS and Kalman filter integration for un-aided navigation, and optimizing new and emerging GNSS signal reception and decoding.

Responsibilities include, but are not limited to the following:

Derive requirements, conceptualize, define, design & prototype PNT solutions

Create, analyze and refine the required DSP algorithms using mathematical analysis tools such as MATLAB/Simulink

Develop software using C in an RTOS environment to translate algorithm prototypes into optimized, production-quality code suitable for operational deployment

Perform hardware/software integration, debugging, and code optimization on target platforms

Interface with cross-functional teams and sites and customers to define and implement new features

Coordinate technical discussions and collaborate with platform and system architects to make design decisions

May act as technical lead and provide mentoring to other software engineers

Pre-Requisites / Skills / Experience Requirements:

Required Skills

BS Degree or higher in EE, CS, or CE.

MS preferred.

5+ years of Software Development experience

Excellent knowledge of communication systems theory and signal processing concepts

Ability to understand and formulate mathematical, statistical, and computational models

Proficient in algorithm modeling tools such as Matlab/Simulink

Proficient in DSP programming on ARM based multi-core processors such as Cortex, M4, M7

Experience developing/debugging applications and device drivers for RTOS

Proficiency in C Design

Good understanding of GNSS and RF transmission technology, including signaling

Hands-on experience in lab equipment such as scopes, spectrum analyzers, signal generators

Solid technical leadership skills and ability to serve as a project lead

Excellent problem solving & troubleshooting skills.

Able to understand new system architectures quickly

Excellent verbal and written communication skills

Enjoy working in a highly collaborative environment

Highly motivated, able to work independently with minimal direction

Preferred Skills:

GNSS signals and systems

Knowledge/Experience with Cortex M4/M7, embedded programming and memory optimization

Performance optimization for resource-limited embedded platforms

Understanding of GNSS functional blocks and capabilities including antennas, filters, duplexers, oscillators, frequency converters, modulators, and demodulators.

Understanding of GPS, QPSK, satellite signal tracking

Kalman filter integration and optimization

Experience with Phased Array Antennae technology

Experience with version control systems (preferably Git)

Experience using an Agile-based development process (preferably Scrum)

Experience with project tracking software, preferably Atlassian tools (Jira, Confluence, Crucible)

Optional Skills:

Implementing DSP algorithms in FPGA hardware from Intel and AMD

Experience in secure and jamming-resistant Wifi technologies and protocols

Zero-IF and Heterodyne receiver implementations

Particle filter implementation and optimization

C++ and OO programming

Analog to Digital filter conversion and porting

RF group delay signal-chain analysis and compensation

GNSS oscillator disciplining

Navigation protocols such as NMEA, SCPI, and ICD-GPS-153

Familiarity with FrameMaker documentation tools

If you have what it takes to push boundaries and seize opportunities, apply to join our team today.

VIAVI Solutions is an equal opportunity and affirmative action employer – minorities/females/veterans/persons with disabilities.