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# Software Sustainability Engineer

- **Company:** Sierra Instruments
- **Location:** Marina, CA, United States
- **Experience:** Experienced
- **Salary:** $91,800.0 - $126,200.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, .NET Framework, Software Applications, Computing Platforms, Fieldbus, C Sharp (Programming Language), Databases, Computer Engineering, Data Transmissions, Data Systems, Document Management Systems, Ethernet, Firmware, Hardware Interface Design, Java GUIs, Python (Programming Language), Microsoft Office, Microsoft SQL Server, Modbus, Object-Oriented Software Development, Profibus, Software Architecture, Reverse Engineering, RS-232, RS-485 Standard, Serial Communications, Software Engineering, SQL Databases, USB, PIC Microcontroller, Software Troubleshooting, Information Technology, Bacnet, Epicor ERP, Software Version Control, Visual Basic Language
- **Published:** October 11, 2026
- **Apply:** https://www.juju.com/job/16_7c7c6de71

## About the Role

* Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or related technical field.

 * At least 2 years of professional software development experience.

 * Experience with C#, .NET, Python, Visual Basic, SQL Server, or similar technologies.

 * Experience with modern programming practices and object-oriented development.

 * Experience supporting embedded controllers, firmware, communication interfaces, and legacy software platforms. Comfortable working with existing architectures, reverse engineering system behavior, and troubleshooting issues across hardware, firmware, and software boundaries.

 * Fundamental understanding of computer architecture, microcontrollers, memory devices, serial communications, and hardware/software interaction.

 * Experience with SQL databases.

 * Experience with MRP/ERP systems, preferably Epicor.

 * Experience troubleshooting software systems and working with production or test environments.

 * Experience in manufacturing, industrial automation, calibration, test engineering, or instrumentation environments.

 * Familiarity with source control tools.

 * Strong problem-solving and communication skills.

 * Ability to work effectively with technical and non-technical teams.

Preferred Qualifications

 * At least 5 years of professional software development experience.

 * Experience modernizing legacy software applications.

 * Familiarity with data acquisition systems, industrial communications, sensors, or instrumentation.

 * Experience with MES, production reporting, dashboards, or quality data systems.

 * Exposure to thermal mass flow measurement, gas flow systems, or industrial instrumentation.

 * Understanding of electronics, hardware interfaces, or embedded systems.

 * Knowledge of digital communication hardware and protocols such as RS232, RS485, USB, MODBUS, Profibus, Foundation Fieldbus, BACnet, HART, Ethernet, or similar industrial standards.

 * Experience with GUIs.

## Description

The Software Sustainability Engineer can understand legacy factory software, support production-critical systems, interface with a variety of sensors and instruments, and help modernize systems while maintaining accuracy, reliability, safety, quality, and traceability.

This role is based on-site with our main facility in Monterey, CA. This will also include work at our Marina facility. There is no remote work option available.

Responsibilities:

 * Support and improve software used for production, calibration, testing, and manufacturing operations.

 * Troubleshoot software issues affecting production, quality, calibration, and manufacturing performance.

 * Develop and maintain applications that interact with production equipment, sensors, instruments, and databases.

 * Support modernization of legacy software platforms and migration to newer technologies.

 * Create reports, dashboards, and data tools that improve visibility into production and quality performance.

 * Support calibration systems, test systems, data acquisition systems, and manufacturing automation.

 * Participating in software architecture, validation, and deployment activities.

 * Collaborate with manufacturing, quality, engineering, IT, and operations teams.

 * Document system functionality, software changes, troubleshooting activities, and validation results.

 * Support engineering change implementation and continuous improvement initiatives.

 * Participate in new product development projects, prototype activities, and product introductions.

 * Strong troubleshooting and root-cause analysis skills.

 * Effective written and verbal communication skills.

 * Ability to create and maintain technical documentation, work instructions, procedures, and illustrated service or manufacturing documents.

 * Versed on Microsoft Office 365 Tools