Job Title: Senior Specialist, Systems Engineer - ELINT

Job Code: 39540

Job Location: Greenville, TX

Job Schedule: 9/80 - Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off

Job Description:

L3Harris is seeking a Systems Engineering Specialist who will be involved in activities directly related to the design, and development of complex, specialized SIGINT hardware/software systems to process and manipulate ISR data from multiple data sources.

Essential Functions:

Works closely with the customer to comprehensively design and implement new system functionality.
Writes requirements, supports development, performs integration testing of new or modified products in a Systems Integration Laboratory and on airborne and ground-based platforms.
Verifies and validates new baseline functionality while ensuring legacy functionality continues to work as intended.
Interface with other Systems Engineers, Agile Development Engineering, Flight Line Test, Product Development, and Project Engineering to understand new baseline functionality.
Work closely with L3Harris Internal Research and Development (IR&D) developing proprietary ELINT technology and capabilities.
Follow existing standards to document system testing status and anomalies with system hardware and software and verifies subsequent anomaly fixes.
Interfaces with the customer to ensure their satisfaction with system performance.
Work with management to develop and adhere to schedules and budgets required to accomplish assigned work.
Provide regular status updates for ongoing work efforts to management and the customer.
Work effectively in a fast-paced, dynamic environment with time-critical requirements.
Effective cross-functional communication skills supporting program execution from development through integration and delivery.
Analysis of customer requirements, including system and sub-system trade studies, and detailed hardware and software specifications for systems, subsystems, and key components.
Development of test planning/procedures of various test equipment including anechoic chambers, spectrum analyzers, and network analyzers.
Entire Program/Engineering Life Cycle Phases and Activities.
IRAD and Technical Baseline development.
Requirements Management.
Strong problem‑solving abilities with thorough documentation, verification, and validation practices
Proficiency in digital signal processing (DSP) with strong MATLAB skills for algorithm development, modeling, simulation, and data analysis
Solid understanding of DSP fundamentals including filtering, spectral analysis, FFTs, modulation, sampling theory, and noise reduction
Ability to support algorithm implementation in C, C++, or Python
Active Secret or recent TS/SCI Clearance with the ability to maintain.
Working contract proposals.
Travel up to 10%.
Other duties as assigned by Supervisor.

Qualifications:

Bachelor’s Degree and minimum 6 years of prior relevant engineering experience.
Graduate Degree and a minimum of 4 years of prior related engineering experience.
In lieu of a degree, a minimum of 10 years of prior related engineering experience.
Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design.
Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization.
Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior.

Preferred Additional Skills:

Active TS/SCI Clearance
Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems.
Experience with JIRA, Confluence, and DOORS for requirements and workflow management.
Experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization.
Experience working with large IQ/sample data sets and developing automated processing workflows.
Experience with advanced DSP algorithm development and implementation.
Familiarity with system‑level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies.
Experience in software integration and system-level test.
Proficiency with standard office and documentation tools.

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