Specialist, Manufacturing Engineering (software)

L3Harris Technologies • Industrial Engineering • C4ISR • Bachelor's Degree • JavaScript • SQL • C# • 10 days ago

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Salary

≈ $138k – $252k per year (Estimated)

Location

In office (Londonderry)

Seniority

Principal · 13+ years exp

Visa

H-1B filings in 12 months: 5 · for this role: 3

First seen by Alion on Oct 6, 2026. L3Harris Technologies scores A on the Alion truth index.

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L3Harris Technologies

L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

l3harris.com • HQ: Melbourne, United States • C4ISR • Military Satellites • Electronic Warfare • Military Communication • Defense Manufacturing • 5000+ employees • Est. 2019

Tech stack of L3Harris Technologies

Job Title: Manufacturing Software Engineer (MES)

Job Code: 45699

Job Location: Londonderry, NH

Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off

Job Description:

We are seeking a skilled and detail-oriented Manufacturing Execution System (MES) Engineer to support the design, implementation, maintenance, and continuous improvement of MES solutions across our manufacturing operations. This role will serve as a key link between production, quality, engineering, and IT teams to ensure efficient execution of manufacturing processes, real-time production visibility, and compliance with operational standards.

Essential Functions:

Plan and support the build and modification of mechanical and electronics systems including procurement support, assembly method/work instruction generation, tooling design support, material/process development, facilities/equipment planning, implementation of design changes, and resolution of manufacturing, quality, and reliability issues
Design, configure, implement, and support Manufacturing Execution System solutions for production environments
Collaborate with manufacturing, quality, supply chain, and IT stakeholders to gather business and technical requirements
Translate production workflows into MES system functionality, including routing, work instructions, data collection, traceability, and reporting
Support integration between MES, ERP, test software and other applications
Troubleshoot and debug MES-related issues and provide timely resolution to minimize production downtime
Monitor system performance and identify opportunities for process automation and operational improvement

Qualifications:

Bachelor’s Degree and minimum of 4 years prior related experience. Graduate Degree with a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience
Working experience with Manufacturing Execution Systems

Preferred Additional Skills:

Experience with electro-optical systems products
Knowledge and experience in the following:
ASP.NET Framework
SQL
C#
JavaScript (jQuery)
HTML/CSS
Requirements analysis
SQL Server performance tuning
API development
Visual Studio
SQL Server Management Studio
BitBucket
Confluence
Jira
IIS
Microsoft SQL Server

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