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Sr. Software Engineer -C#/.NET


Ayer, MA, US, 01432

REQ ID:  33080

Sealed Air is in business to protect, to solve critical packaging challenges and to leave our world better than we found it. Our portfolio of leading packaging solutions includes CRYOVAC® brand food packaging, SEALED AIR® brand protective packaging and BUBBLE WRAP® brand packaging, which collectively enable a safer, more efficient food supply chain and protect valuable goods shipped around the world. Sealed Air generated $4.8 billion in sales in 2019 and has approximately 16,500 employees who serve customers in 124 countries. To learn more, visit

Job Description

Sealed Air is seeking a driven, team oriented, engineering professional to fulfill our current Sr. Software Engineering opening, located in Ayer, Massachusetts.  The qualified candidate will be responsible for software design, implementation, and release of customized solutions that interact and communicate with packaging equipment and e-commerce back-office programs and systems.

The ability to handle multiple projects and priorities is critical. The ideal candidate will have the ability to work independently as well as interact with team members and leaders.

Key Responsibilities:

  • This position includes but is not limited to the following duties and responsibilities:
  • Design, develop & maintain software to integrate equipment and data systems / servers.
  • Work with sales and customers to understand and develop project requirements and specifications.
  • System integration of various packaging and networking equipment controls
  • Troubleshooting & customer support with root cause analysis and corrective actions.
  • Support manufacturing relating to customer orders, inventory, parts, documentation, and commissioning. 



  • Bachelor's degree in Electrical Engineering, Computer Science, or related field or equivalent experience will be considered
  • 5-8 years’ experience designing, developing, and testing .NET C# applications.
  • 2-3 years’ experience designing, developing, and testing SQL Server and SQLite databases.
  • 2-3 years’ experience designing, developing, and testing ASP.NET web applications using HTML 5, CSS, and third-party libraries.
  • Demonstrate proficiency in designing robust software solutions for real-time, mission critical applications.
  • Demonstrate proficiency in multi-threaded applications.
  • Demonstrate proficiency with the Microsoft Windows Operating System including: Windows Services, Microsoft IIS, APIs, Windows Registry, ODBC, and user accounts.
  • Ability to self-start and work independently or as part of a larger team.
  • Ability to work cross-functionally with sales, marketing, and engineering teams.
  • Ability to interface with customers directly as a technical subject matter expert.
  • Excellent written and verbal communications skills and a high level of organization.
  • Ability to keep pace with rapidly changing business priorities and deadlines.
  • Ability to manage multiple projects concurrently.
  • Willingness to support global installations and travel when necessary.




Preferred Qualifications:

  • Experience with at least one of the following industrial network protocols: Ethernet/IP, Modbus TCP, CAN Bus, DeviceNet.
  • Experience with PLC ladder logic programming (Rockwell SLC or Logix controllers preferred).
  • Experience with IoT technology with concentration in edge devices.
  • Experience designing, developing, testing, and consuming RESTful APIs.
  • Serial protocols, RS232, RS485, RS42
  • AutoCAD Electrical Schematic Capture

Requisition id: 33080 

Relocation: Yes  

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability or protected veteran status.



It is our responsibility to leverage what we have to affect positive and meaningful change for our communities and planet using Sealed Air’s global resources and expertise.

  • Corporate sustainability. It’s about improving the lives of people around the world by addressing pressing needs in the communities where we and our customers operate.
  • Customer Success. Meeting our customers' needs. At Sealed Air it’s more than a goal, it’s an integral part of our business practices, our innovative solutions, and our values.
  • Leaving our communities better than we found them through dedication of time, talent and resources.

Nearest Major Market: Boston

Job Segment: .NET, Developer, Manufacturing Engineer, Engineer, Electrical, Technology, Engineering

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