Senior SCADA Engineer

DNOW • Energy & Utilities • Transportation & Logistics • Python • SQL • 3 months ago
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Salary
≈ $99k – $212k per year (Estimated)
Location
In office (United States)
Seniority
Senior · 3+ years exp
Employment
Full-Time
Overview
Company
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DNOW

DNOW is a Houston, Texas-based distributor of pipe, valves, fittings, pumps, electrical and MRO products and packaged, engineered process and production equipment for energy and industrial customers. Spun off from National Oilwell Varco in 2014 and tracing its heritage back to 1862, the NYSE-listed company serves upstream, midstream, gas utility, downstream and industrial markets through a global branch and supercenter network, has added 26 companies by acquisition since 2014 and is combining with MRC Global. It hires field and inside sales representatives, service and shop technicians, mechanics, fitters, PLC programmers, supervisors and project managers.
dnow.com • HQ: Houston, United States • Energy & Utilities • Transportation & Logistics • Supply Chain • 501-1000 employees

At DNOW, we believe our associates are the best in the business. We value and reward hardworking, creative, and dedicated employees that desire to be part of a team committed to outstanding customer service.

START YOUR CAREER NOW.

The Senior SCADA Engineer is responsible for operating, supporting, and enhancing an industrial SCADA platform that supports critical energy operations. This role works across the full industrial data stack, including PLC generated field data, messaging infrastructure, databases, and Ignition applications, to ensure system reliability, performance, and continuous improvement. The Senior SCADA Engineer plays a key role in maintaining platform stability, troubleshooting complex issues, supporting customers, and helping scale the platform as the business continues to grow.

Job Responsibilities

  • Monitor, maintain, and support the health, reliability, and performance of the SCADA platform and supporting infrastructure.
  • Troubleshoot system issues, performance bottlenecks, data integrity concerns, and operational incidents.
  • Perform root cause analysis and implement solutions to prevent recurring issues.
  • Develop and maintain monitoring, logging, alerting, and incident response processes.
  • Create and improve standard operating procedures, operational documentation, and troubleshooting guides.
  • Serve as a technical escalation point for customer-reported issues and operational support needs.
  • Collaborate with engineering teams to improve platform functionality, reliability, and scalability.
  • Develop and maintain scripts, automation, and tooling using Python and SQL.
  • Support database optimization, data pipelines, and backend integrations.
  • Design and maintain standardized PLC-to-SCADA data structures, naming conventions, and templates.
  • Support integration and troubleshooting of PLCs, IIoT devices, MQTT, Sparkplug B, OPC UA, and Modbus communications.
  • Contribute to operational standards, best practices, and the growth of the SCADA operations function.

Job Requirements

  • Minimum 3 years of hands-on SCADA integration, development, or support experience.
  • Strong experience with Ignition SCADA in a production environment.
  • Ability to obtain Ignition Gold Certification within 6 months of hire.
  • Experience with relational databases, preferably PostgreSQL.
  • Proficiency writing and troubleshooting SQL queries.
  • Experience with Python or other modern programming languages.
  • Working knowledge of MQTT, Sparkplug B, OPC UA, Modbus, and industrial networking concepts.
  • Familiarity with Linux-based server environments.
  • Experience troubleshooting complex systems across hardware, networks, databases, and applications.
  • Strong analytical, problem-solving, and communication skills.
  • Ability to document technical processes and system architecture.
  • Authorized to work in the United States.

Benefits

  • Competitive Salary + bonus
  • 401(k)/ Retirement savings
  • Comprehensive Benefits (medical, dental, vision, life and disability coverage)
  • Career growth
  • Paid vacation/holidays
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