Senior Software Engineer; C#​/SQL - Plex

Senior Software Engineer (C#/SQL) – Plex

Milwaukee, Wisconsin, United States

Mayfield Heights, Ohio, United States

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers – amazing companies that help feed the world, provide life‑saving medicine on a global scale, and focus on clean water and green mobility – our people are energized problem solvers that take pride in how the work we do changes the world for the better.

We welcome all makers, forward thinkers, and problem solvers who are looking for a place to do their best work. And if that's you we would love to have you join us!

To support our ongoing growth, we are looking for a Senior Software Engineer to join our team and lead the design, development, and delivery of high‑quality software solutions. You'll collaborate with cross‑functional partners, mentor engineers, and help shape technical direction and best practices across the organization. You will help develop our comprehensive, customer‑focused SaaS applications within Plex Manufacturing Operations. This includes our industry leading and transformative Plex products like Manufacturing Execution System (MES), Quality Management System (QMS), and Production Monitoring.

You will report to the Manager, Software Engineering.

• Design, develop, and maintain scalable, reliable, and secure software systems.
• Guide architectural decisions and contribute to long‑term technical strategy.
• Review code, enforce coding standards, and ensure engineering excellence.
• Lead complex technical projects from brainstorming through delivery.

• Write clean, maintainable, and well‑tested code.
• Identify, diagnose, and resolve performance and reliability issues.
• Improve existing systems through refactoring, optimization, and modernization.
• Oversee features end‑to‑end, including CI/CD, monitoring, and support.

• Work with product managers, designers, QA, and other engineers.
• Translate business needs into technical solutions and clear engineering tasks.
• Communicate technical concepts to both technical and non‑technical stakeholders.

• Provide guidance, coaching, and feedback to junior and midlevel engineers.
• Promote best practices in software development methodologies and tooling.

• Bachelor's Degree in Computer Science, Engineering, or related discipline or equivalent years of relevant work experience.
• Legal authorization to work in the US is required. We will not sponsor individuals for employment visas, now or in the future, for this job opening.

• Typically requires 5+ years of hands‑on software development experience.
• Proficiency in one or more modern languages (e.g., C#, Python, Go, or Type Script).
• Familiar with AI technologies (Copilot, Claude, Gemini).
• Experience building distributed systems, microservices, or cloud‑native applications.
• Experience with algorithms, data structures, and system design.
• Experience with cloud platforms (AWS, Azure, or GCP).
• Knowledge of CI/CD pipelines, testing frameworks, and Dev Ops practices.
• Experience reviewing code to find and address potential issues and defects.
• Experience with containerization (Docker, Kubernetes).
• Familiarity with event‑driven architectures or messaging frameworks.
• Knowledge of security best practices and secure coding techniques.
• Prior experience in a senior or lead engineering role.
• Contributions to open‑source projects or engineering communities.

• Health Insurance including Medical, Dental and Vision
• 401k
• Paid Time off
• Parental and Caregiver Leave
• Flexible Work Schedule where you will work with your manager to enjoy a work schedule that can be flexible with your personal life.
• To learn more about our benefits package, please visit at

At Rockwell Automation we are dedicated to building a diverse, inclusive and authentic workplace, so if you're excited about this role but your experience…