PLC Software Developer

Career Area:

Engineering

Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.

Role Definition

Develops, designs, implements and tests software of embedded devices and systems; monitors and enhances the efficiency and stability of the systems.

Responsibilities

• Gathering and analyzing user/client requirements to create the software requirements specification (SRS) document.
• Writing and implementing source codes of embedded systems and enhancing code samples of existing systems.
• Testing and debugging embedded system software using different tools/methods available to improve code quality and optimize system performance.
• Collaborating with other teams to provide post production support.
• Requires a degree in an accredited Engineering, Computer Science, or Materials Science curriculum.
  
  

Degree Requirement

• Masters or Bachelor’s degree (or equivalent) in an accredited Engineering, Electronics, Electrical curriculum
• > 6 years of relevant work experience
  
  

Skill Descriptors

• Very good technical skills and leadership skills
• Proven experience in handling multiple PLC automation projects and involved in creating the system level architecture, Network solutions, Code optimization.
• In-depth knowledge and work experience in CODESYS, Rockwell PLC platforms and SCADA design
• Expertise in the PLC IEC-61131-3 PLC languages and work experience in PLC-open, OPC UA standards.
• Very good experience and In-depth knowledge about the industrial network protocols like Modbus, Ethernet I/P, PROFINET, PROFIBUS, CAN J1939, EtherCAT.
• Knowledge in version management and version control tools. Preferably working with Git and SVN
• Knowledge and hands on experience in Microsoft Azure DevOps creating agile process and managing task board.
  
  

Level Working Knowledge:

• Approaches a situation or problem by defining the problem or issue and determining its significance.
• Makes a systematic comparison of two or more alternative solutions.
• Uses flow charts, Pareto charts, fish diagrams, etc. to disclose meaningful data patterns.
• Identifies the major forces, events and people impacting and impacted by the situation at hand.
• Uses logic and intuition to make inferences about the meaning of the data and arrive at conclusions.
  
  

Effective Communications: Understanding of effective communication concepts, tools and techniques; ability to effectively transmit, receive, and accurately interpret ideas, information, and needs through the application of appropriate communication behaviors.

Level Working Knowledge:

• Delivers helpful feedback that focuses on behaviors without offending the recipient.
• Listens to feedback without defensiveness and uses it for own communication effectiveness.
• Makes oral presentations and writes reports needed for own work.
• Avoids technical jargon when inappropriate.
• Looks for and considers non-verbal cues from individuals and groups.
  
  

Teamwork: Knowledge of the necessity and value of teamwork; experience with; ability to work cooperatively towards shared goals and being supportive of others at all levels.

Level Working Knowledge:

• Explains own role and responsibility within team.
• Actively participates in team meetings.
• Shares information, knowledge, and experiences openly and proactively.
• Describes team mission and objectives in the context of results to be achieved.
• Demonstrates open, friendly, accepting, and supportive behaviors with team members.
  
  

Technical Excellence: Knowledge of a given technology and various application methods; ability to develop and provide solutions to significant technical challenges.

Level Working Knowledge:

• Provides effective technical solutions to routine functional challenges via sound technical competence, effectively examining implications of events and issues.
• Effectively performs the technical job aspects, continuously building knowledge and keeping up-to-date on technical and procedural job components.
• Applies technical operating and project standards based on achieving excellence in delivered products, technologies and services.
• Applies current procedures and technologies to help resolve technical issues in one's general area of technical competence.
• Helps others solve technical or procedural problems or issues.
  
  

Software Development: Knowledge of software development tools and activities; ability to produce software products or systems in line with product requirements.

Level Working Knowledge:

• Describes common tools for component-based, object-oriented development.
• Describes the objectives, activities and results of unit testing.
• Has developed programs in a specific language and for a specific platform.
• Interprets functional and technical blueprints; participates in structuring technical components.
• Participates in technical and code reviews.
  
  

Requirements Analysis: Knowledge of tools, methods, and techniques of requirement analysis; ability to elicit, analyze and record required business functionality and non-functionality requirements to ensure the success of a system or software development project.

Level Working Knowledge:

• Follows policies, practices and standards for determining functional and informational requirements.
• Confirms deliverables associated with requirements analysis.
• Communicates with customers and users to elicit and gather client requirements.
• Participates in the preparation of detailed documentation and requirements.
• Utilizes specific organizational methods, tools and techniques for requirements analysis.
  
  

System Testing: Knowledge of system and software testing; ability to design, plan and execute system testing strategies and tactics to ensure the quality of software at all stages of the system life cycle.

Level Working Knowledge:

• Supports the project leader in developing and executing system test plans.
• Evaluates system documentation and user manuals for usability, accuracy and completeness.
• Executes test cases, analyzes test results and reports on findings regularly.
• Tests system components for compliance with functional requirements.
• Participates in the testing of a system's ability to recover from hardware or software failures.
  
  

Technical Troubleshooting: Knowledge of technical troubleshooting approaches, tools and techniques; ability to anticipate, recognize, and resolve technical issues on hardware, software, application or operation.

Level Working Knowledge:

• Discovers, analyzes, and resolves hardware, software or application problems.
• Works with vendor-specific diagnostic guides, tools and utilities.
• Handles calls related to product features, applications, and compatibility standards.
• Analyzes code, logs, and current systems as part of advanced troubleshooting.
• Records and reports specific technical problems, solving processes and tools that have been used.
  
  

Relocation is available for this position.

Posting Dates:

October 6, 2025 - October 7, 2025

Caterpillar is an Equal Opportunity Employer. Qualified applicants of any age are encouraged to apply

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