Systems Engineer - Wireless Services at DOOTA INDUSTRIAL AMERICA LLC – Taylor, Texas

Systems Engineer - Wireless Services

Round Rock, Texas

Job Type: Full-Time

About Us

Founded in South Korea in 2002, Doota Industrial America is a telecommunications and infrastructure solutions provider supporting semiconductor, advanced manufacturing, and industrial facilities across the United States and selected global markets.

Since establishing our Texas office in 2013, we have combined entrepreneurial agility with disciplined execution to deliver high-quality infrastructure and system integration services in mission-critical manufacturing environments.

We partner with leading global organizations including Samsung, SK, Hanwha, and other advanced manufacturing clients to support large-scale facility expansion, system deployment, and ongoing operational maintenance.

Our core capabilities include:

• Structured cabling and low-voltage infrastructure

• PCS/GCS-related system integration

• Private LTE / CBRS wireless system deployment and support

• Network and monitoring system implementation

• Field installation, commissioning, and operational maintenance

Doota Industrial America is committed to delivering reliable, scalable, and production-aligned solutions that meet the demanding uptime and performance standards of semiconductor manufacturing environments.

We support mission-critical infrastructure where production continuity, safety, and performance are non-negotiable.

Requirements

Education & Experience

• Bachelor’s degree in engineering, Computer Science, Telecommunications, or related technical discipline; or equivalent professional experience supporting enterprise, industrial, or manufacturing systems.
• Minimum of 3–5 years of experience supporting production systems, wireless networks, or manufacturing applications.
• Experience in incident management, root cause analysis, and cross-functional technical coordination in operational environments.
• Experience supporting systems in regulated, high-availability manufacturing environments is highly desirable.

Technical Requirements

• Demonstrated ability to review, debug, and modify existing backend application code written by other engineers.
• Experience working with relational databases; strong proficiency in SQL required.
• Experience with Oracle or comparable enterprise database platforms.
• Hands-on experience in both Linux and Windows operating environments, including system-level troubleshooting.
• Experience using source code version control systems (e.g., Git, SVN).
• Familiarity with structured development, testing, and release management processes.
• Working knowledge of TCP/IP networking fundamentals, VLAN, routing concepts, and wireless communication principles.
• Experience supporting LTE/Private LTE/CBRS infrastructure is strongly preferred.

Professional Competencies

• Strong analytical and structured problem-solving capabilities.
• Ability to assess system impacts and interdependencies before implementing changes.
• Ability to produce clear, organized technical documentation.
• Effective communication with both technical and non-technical stakeholders.
• Ability to work independently with limited supervision while coordinating tasks with internal teams and external vendors.
• Experience supporting high-availability or manufacturing uptime environments is preferred.

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What We Offer

• Health & Dental & Vision
• Employee Assistance Program
• 401K Company Match 3%
• PTO
• Sick Pay
• Parental Pay Leave
• Company Holidays
• Professional Development Reimbursement Program - $2000.00 annually

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Who We Are

At Doota Industrial America, we foster a vibrant environment that nurtures creativity, collaboration, and professional growth. As part of our family, you will have access to resources and support that empowers you to excel. Our commitment to culture, integrity, and continuous improvement lies at the core of our mission, propelling us to transcend industry boundaries and make lasting, positive impacts on the world.

Equal Opportunity Employer, are committed to creating a diverse and inclusive company culture and that your team does not discriminate against candidates and employees because of their disability, sex, race, gender identity, sexual orientation, religion, national origin, age, veteran status, or any other protected status under the law, and it is the company’s commitment to creating an inclusive workplace and how candidates can request reasonable accommodations.

Wireless System Engineer

I. Responsibilities

Operational Support and Issue Resolution

• Provide day-to-day operational support for CBRS Private 5G/LTE infrastructure, backend applications, and manufacturing system integrations.
• Troubleshoot user-reported issues related to wireless connectivity, system performance, and application functionality.
• Manage and resolve service tickets in accordance with defined SLAs and production impact priorities.
• Conduct structured root cause analysis (RCA) and implement corrective and preventive actions to prevent recurrence.
• Coordinate with internal IT, network, facilities, and external vendors to restore services in high-availability manufacturing environments.
• Ensure the reliability, availability, and performance of CBRS wireless infrastructure supporting semiconductor manufacturing operations.

CBRS Wireless Infrastructure Management

• Support configuration, monitoring, and maintenance of:
  • CBRS radios
  • 5G/LTE routers and gateways
  • SIM provisioning and APN configuration
  • Core/EPC(where applicable) components
• Monitor wireless KPIs including signal strength, throughput, latency, packet loss, and device connectivity.
• Perform RF-level troubleshooting in semiconductor manufacturing environments.
• Support antenna validation, coverage impact assessments, and interference mitigation efforts.
• Participate in planned maintenance, upgrades, and controlled change windows.

System and Application Lifecycle Management

• Support deployment, configuration, relocation, expansion, and decommissioning of wireless and related systems across manufacturing facilities.
• Assess risks, system dependencies, integration touchpoints, and operational impacts before implementing changes.
• Participate in structured change management processes including rollback planning.
• Ensure system stability and continuity aligned with production uptime requirements.

Application Development and System Integration

• Develop and maintain backend applications and data collection tools supporting CBRS monitoring, analytics, and operational reporting.
• Review, debug, and optimize existing backend code written by other engineers.
• Improve application performance, scalability, and data reliability.
• Design and maintain SQL queries and database structures supporting system monitoring and reporting.
• Integrate CBRS-connected devices with upstream and downstream systems (e.g., MES, PCS, monitoring dashboards, enterprise platforms).
• Support API-based integrations and secure data exchange mechanisms when required.

Cross-Functional Coordination and Project Execution

• Work closely with engineering, operations, IT infrastructure, facilities, and external OEM vendors.
• Track project timelines, risks, dependencies, and action items.
• Support CBRS expansion, relocation, or system enhancement initiatives.
• Provide structured technical updates to both technical and non-technical stakeholders.
• Align wireless system readiness with manufacturing production schedules.

Process Documentation and SOP Maintenance

• Develop and maintain:
  • SOPs
  • Network diagrams
  • RF documentation
  • Configuration baselines
  • Release and change documentation
• Maintain accurate as-built documentation for wireless and related systems.
• Ensure documentation reflects current production configurations and evolving system architecture.

Operational Improvements and Reliability Enhancement

• Identify system bottlenecks, RF coverage gaps, performance degradation patterns, and single points of failure.
• Recommend configuration improvements, redundancy enhancements, and performance tuning strategies.
• Improve monitoring visibility through logging, alerting thresholds, and dashboard enhancements.
• Proactively adapt systems to evolving business, production, and technical requirements.