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# Technical Support Principal Engineer

- **Company:** OSIsoft
- **Location:** Mission Viejo, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Server Applications, Software Applications, Computing Platforms, C Sharp (Programming Language), Databases, Computer Engineering, Human-Computer Interaction, Wonderware, Python (Programming Language), Microsoft Visual Studio, Microsoft SQL Server, Message Queuing Telemetry Transport (MQTT), Object-Oriented Software Development, Software Tools, OPC Unified Architecture, Model-Driven Development, Information Technology, Network Server
- **Published:** October 29, 2026
- **Apply:** https://aveva.wd3.myworkdayjobs.com/AVEVA_careers/job/Lake-Forest-California-United-States-of-America/Technical-Support-Principal-Engineer_R015847

## About the Role

* Degree in Computer Science, Computer Engineering, Electrical/Electronic Engineering.
 * 8+ years of experience in similar roles.
 * Knowledge and experience on Microsoft Windows Operating Systems.
 * Knowledge and experience with software development tools such as Visual Studio and object-oriented programming languages such as Python or C#.

 * Knowledge and experience on Microsoft SQL Server database.
 * Demonstrable knowledge of industrial automation hardware and/or software like PLCs, Human Machine Interface (HMI), industrial protocols like OPC DA, OPC UA, MQTT, others.
 * Knowledge and experience on Manufacturing Execution Systems (MES).

A PLUS:

Experience implementing or supporting any of the following former Wonderware brand products:

 * AVEVA InTouch HMI
 * AVEVA InTouch OMI
 * AVEVA System Platform (Application Server)
 * AVEVA Historian
 * AVEVA OI Servers / DA Servers / Communications Drivers
 * AVEVA Batch Management (InBatch)
 * AVEVA Manufacturing Execution System (WW MES)
 * AVEVA Worktasks / Skelta / Model Driven MES

## Description

The overall job of a Technical Support Engineer is to ensure that on a day-to-day basis, AVEVA Software Premium and Elite customers are receiving quality, world-class technical support. This position responds to inquiries from these customers via telephone or in written internet-based email or chat sessions and is responsible for driving to resolve customer concerns raised during installation, startups, commissioning, operation, maintenance or product application or compatibility matters.

This position will troubleshoot problems with software applications and recommend corrective action. You will be required to document customer information and recurring technical issues to support product quality programs and product development. Interpersonal skills and technical product knowledge and expertise are critical to responding to daily customer-centric activities. Employees at the senior levels also address highly complex technical issues that need to be escalated.

Key Relationships:

The primary customers are those large Premium and Elite subscribers which use former Wonderware brand. In addition, the Technical Support Engineer will engage with Systems Integrators and Distributors as well as AVEVA R&D and AVEVA Product Managers., * The Tech Support Engineer is responsible for covering a phone queue during the normal business hours, 8:00 AM - 5:00 PM Pacific Time.

 * Reproducing customer issues along with documentation of issues and resolutions in CRM systems.

 * Will have the opportunity to participate in the annual events, such as AVEVA World, including technical presentations, product demo and event run/setup/teardown.
 * Serve as a technical lead to less-experienced Technical Support staff.
 * Knowledge transfer activities such as writing tech notes, knowledge objects and articles in addition to delivering web meeting sessions, and similar.
 * Position requires a small amount of international and domestic travel.
 * After gaining proficiency in designated products, may participate in an on-call rotation for urgent after-hours/weekend remote support (with additional compensation where applicable).