Senior System Engineer – Controllers

Yunex Traffic

Senior Support Engineer providing advanced technical support for traffic signal controller platforms. Focus on diagnosis and resolution of issues across controller software, firmware, and field hardware integration for live traffic systems.

Posted 7/1/2026full-timeRemote • 🇺🇸 United StatesSeniorWebsite

About the role

Key responsibilities & impact

Provides advanced remote support for SEPAC controller software running on m60, 2070, and blade traffic controllers.
Diagnoses and resolves issues related to controller operation, firmware behavior, timing configuration, and field device integration.
Analyzes controller logs, traces, and configuration data to identify root causes of operational issues in live traffic environments.
Supports communication between controllers and central systems, including troubleshooting interface, protocol, and network-related issues.
Performs system health checks focused on controller stability, communications integrity, and field device performance.
Works directly with field technicians and engineering teams to coordinate issue resolution and validate corrective actions.
Escalates complex software or firmware defects to development or subject matter experts with clearly documented findings.
Ensures adherence to service level agreements, including response and resolution timelines.
Maintains accurate and detailed documentation of cases, controller configurations, issue analysis, and resolutions.
Provides guidance to customers and field personnel on controller configuration, diagnostics, and operational best practices.
Supports customer onboarding and upgrades involving controller software and field deployments.
Contributes to knowledge management through development of technical documentation, troubleshooting guides, and reusable support materials.
Supports continuous improvement of support processes, tools, and controller-related methodologies.
Identifies recurring issues and contributes to systematic improvements in controller software, configuration standards, or support processes.
Assists with selective central system (ATMS) troubleshooting where controller-to-center interaction is relevant.
Coaches and mentors junior engineers on controller systems and troubleshooting approaches.

Requirements

What you’ll need

Bachelor’s degree in Electrical Engineering, Traffic Engineering, Civil Engineering, Computer Science, Systems Engineering, or related field.
5–10 years of experience supporting traffic signal systems or ITS field infrastructure, with direct exposure to controller platforms.
Demonstrable experience working with traffic signal controllers, including m60, 2070, Blade, or comparable platforms.
Experience supporting or configuring controller software (e.g., SEPAC or equivalent) in operational environments.
Strong understanding of advanced traffic signal operations, timing concepts, and field device integration (e.g. TSP, Preemption).
Experience diagnosing issues across controller software, firmware, communications, and hardware interfaces.
Working knowledge of network communications and protocols used between controllers and central systems.
Familiarity with central traffic management systems (ATMS) sufficient to support controller-to-center integration issues.
Experience with NTCIP and other traffic controller communication standards.
Proficiency in using remote diagnostic tools, logs, and trace analysis for troubleshooting.
Strong analytical, problem-solving, and documentation skills.
Ability to communicate technical findings effectively to customers and internal stakeholders.

Benefits

Comp & perks

No specified benefits mentioned

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Traffic Signal ControllersFirmware DiagnosticsTiming ConfigurationField Device IntegrationRemote Diagnostic ToolsTrace AnalysisNTCIP StandardsCentral Traffic Management SystemsIssue ResolutionOperational Best Practices

Soft Skills

Analytical SkillsProblem-SolvingEffective CommunicationCoaching and Mentoring