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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Controls Engineer - **Company:** JLG, Inc. - **Location:** McConnellsburg, PA, United States - **Experience:** Expert - **Salary:** $92,600.0 - $154,400.0 - **Contract:** Permanent contract - **Skills:** Computer Vision, Communications Protocols, Computer Literacy, Control Panels, Digital Technology, Ethernet, Health Information Management, Supervisory Control and Data Acquisition (SCADA), Modbus, Message Queuing Telemetry Transport (MQTT), Software Engineering, SQL Databases, Test Case, Virtual Machines, Build Management, Software Coding - **Published:** July 23, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=8d08c7f54acbdd6c ## About the Role * Bachelor's Degree in one of the following: Electrical Engineering; Electronics Engineering; Software Engineering; or Related Field * Five (5) or more years of relevant experience., * Experience with electrical and automation components, circuits, standards, and common practices * Significant experience solutioning & developing code on controls systems including PLCs, SCADA & HMIs * Experience with Rockwell PLCs, VFDs, and Ignition EDGE * Understands communication protocols such as EtherNet/IP, Modbus TCP/IP, MQTT, Profinet, Modbus RTU, and others * Competent in SQL - reads/writes * Basic understanding of networking * Adept at safety controllers and circuits * Experience with virtual machines and operating systems * Understands Servo drives and motors * Machine Vision and Robotics experience * Leadership skills with a strong emphasis on proactive management and clear, timely communication * Strong communication and interpersonal skills * Good interpersonal skills, motivated and team player * Detail-oriented with an emphasis on planning, documentation, and follow-up * Able to adapt to changes in priorities and stay organized in a fast-paced, high-demand environment * Performs well under pressure and tight deadlines ## Description * Act as Subject Matter Expert in factory controls while leading factory control systems projects interfacing with Digital Technology and Operations teams * Able to lead PFMEAs in collaboration with project team members * Design and build control panels * Read/Write/Solution PLCs, SCADA (Ignition), HMIs, and other controls systems * Facilitate test case development and implementation * Develop and enforce a standard operating procedure (SOP) for project startups, ensuring that all necessary equipment and documentation are prepared and reviewed in advance * Perform startups, customer/end user training, and field troubleshooting * Perform equipment upgrades and retrofits, as required * Level 3 support for the plants on control systems * Responsible for schematic creation, controls layouts, BOM creation and other design documentation ensuring accuracy and maintain as-built drawings * Responsible for electrical drawing approvals * Ensure thorough documentation of all work, including technical details, changes, and project progress * Conduct regular debriefs to discuss project progress, challenges, and ensure corrective actions are taken * Define standard components list, electrical standards and programming standards * Travel up to 20%, The following represents general working conditions for this role. Specific conditions may vary depending on business needs and individual circumstances. * This role combines office-based administrative duties with physical activity in field or production environments. * In the office setting, tasks may require extended computer use, sitting, and attending meetings. * Field or floor work may involve walking across various terrains or shop floors, standing, moderate lifting (up to 50 pounds), climbing stairs, and exposure to varying temperatures or noise levels. * Must be able to shift focus between detailed cognitive work and occasional physical tasks as needed. * Reasonable accommodations will be provided for qualified individuals with disabilities to support performance across both office and field responsibilities. ## Related Videos - [Optimizing Land-Based Fish Feeding with Node-RED](https://www.wearedevelopers.com/videos/2032-optimizing-land-based-fish-feeding-with-node-red) - [The Gashlycrumb Tinies of AI Networking You Must Know (or Languish!)](https://www.wearedevelopers.com/videos/2067-the-gashlycrumb-tinies-of-ai-networking-you-must-know-or-languish) - [AIQSpecFlow: Improves and automates your agile process of specification and creation of testcases.](https://www.wearedevelopers.com/videos/100084-aiqspecflow-improves-and-automates-your-agile-process-of-specification-and-creation-of-testcases) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Enabling intelligent logistics automation: home-grown Industrial IoT platform at Austrian Post](https://www.wearedevelopers.com/videos/2018-enabling-intelligent-logistics-automation-home-grown-industrial-iot-platform-at-austrian-post) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology)