Posted 11 days ago
Test Engineering, Software Designer
@ L3Harris Technologies
Waterdown, Ontario
Overview
L3Harris WESCAM is hiring a Test Engineering software designer in Waterdown, ON to design, develop and validate functional and system-level test software used in the factory and at contract manufacturers. The work covers .NET/C# applications, SQL databases and embedded test software, with a posted salary range of $67,000-125,000 in Ontario.
Responsibilities:
- Design and develop functional and system-level test software using .NET, MVC, C#, WPF and XAML
- Develop SQL queries, stored procedures, views and triggers
- Work on new features and bug fixes in legacy code
- Build new small applications or rewrite older ones
- Support customers in a supporting role
Requirements summary:
- Practical .NET and C# development experience with Entity Framework and LINQ
- Relational database development on Microsoft SQL Server
- Object-oriented design and programming experience
- Familiarity with C++, embedded applications, VHDL and FPGA
- Experience with Git Flow and quality practices such as AS9100 and ISO 9001
Tools & skills
Benefits mentioned
Source and dates
Employer career site / ATS feed · successfactors
- Employer posting date
- 2026-10-26
- First seen by our source
- 2026-10-27
- Source record updated
- 2026-10-27
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Mid level |
| Department | Software development |
| Experience | 2+ years |
| Travel | air: none · ground: none |
| Work setting | Office, Laboratory |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Education | Bachelor’s degree (required), Master’s degree (preferred) |
Summary and details written by AI from the posting; the employer’s posting is the authority.
L3Harris Technologies
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
Full company description
L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Visit L3Harris.com for more information.
- LinkedIn followers
- 883,579
- People associated on LinkedIn
- 30,525
- Reported office locations
- 1025 W. NASA Boulevard, Melbourne, Florida 32919, US
- Business categories
- Information Technology
- National Security
- Business Development
- Commercial
- Industrial
- Aerospace
- Manufacturing
- Other recorded names
- L3Harris Technologies
- L3HHCM20
- Harris
- Profile identifies a recruitment agency
- No
- Reported total investment
- 2,250,000,000
Currency and observation date were not supplied; this is not a current valuation or a funding round.
L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Visit L3Harris.com for more information.
| Field | Value |
|---|---|
| Industry | Defense and Space Manufacturing |
| Company size | 10,001+ employees |
| Headquarters | Melbourne, Florida |
| Organization type | Public Company |
| Open jobs on Jobsy | 138 |
| View page |
Test Engineering, Software Designer (L2)
Reference #46443
Waterdown, ON
About L3HARRIS WESCAM
As a subsidiary of L3Harris Technologies and within the Communications & Spectrum Dominance (CSD) Segment, the WESCAM division develops the most advanced optical sensor and targeting systems for global defense and military sectors, national security, search & rescue and airborne law enforcement agencies. From long-range covert surveillance missions to search and rescue operations, our MX-series systems, and the mission systems solutions they produce stabilized high-magnification electro-optical and infrared images from airborne, marine and ground based platforms, enabling our customers to see first and act first.
About the Role
The Test Engineering – Software team at L3Harris WESCAM is responsible for designing, developing, and validating functional and system-level test software and utilities that are deployed throughout the factory as well as at contract manufacturers. The embedded side of the Software team develops robust, reliable embedded software and firmware to simulate a range of signals, including mixed-signal I/O, EO/IR camera sensor data, and digital communication protocols, maximizing UUT test coverage and product quality. Working closely with design engineering and cross-functional NPI teams.
Primary Responsibilities
- Apply object-oriented design (OOD) principles to deliver design and develop using .NET / MVC / C# / WPF / XAML.
- Develop SQL queries, stored procedures, views and triggers.
- Interact with Customers in a Supporting Role.
- Work on new Features/Bug Fixes based on legacy code/structure
- Work on new smaller applications or rewrites of older applications
Desired Skills and Knowledge
- Practical understanding/implementation of .NET development technologies and tools (DevOps, Visual Studio, NuGet, Git)
- Practical understanding/implementation of C# (.NET Core, MVC, Entity Framework, LINQ)
- Practical understanding/implementation of coding methodologies, OOP (Object Oriented Programming), OOD (Object Oriented Design), SOA (service-oriented architecture), ETL (Extract, Transform, Load), Optimization (indexing, recursive functions, reusable code)
- Practical understanding/implementation of HTML5, CSS3, JavaScript, JQuery, BootStrap, AJAX, JSON, XML
- Practical understanding/implementation of relational database development (table and stored procedure design) using Microsoft SQL Server
- Familiarity Understanding of C++ and Embedded applications
- Familiarity Understanding of VHDL and FPGA applications
- Can work well and integrate within a team environment.
- Self-driven and motivated with the ability to learn new technologies quickly.
- Strong troubleshooting/debugging and problem solving skills.
- Strong understanding of what it takes to have a production ready solution.
- Perform code reviews, debug and validation testing.
- Create and maintain documentation.
- Excellent verbal and written communication and collaboration skills.
- Experience with Software Development Lifecycle methodologies (Git Flow)
- Support quality practices (AS9100 and ISO9001)
Experience & Education Requirements
- Requires practical knowledge of job area.
- Bachelor’s Degree and a minimum of 2 years of prior related experience.
- Graduate Degree with 0 to 2 years of prior related experience.
- In lieu of a degree, 6 years of prior related experience.
*This posting is for a current vacancy. In the province of Ontario, Canada, the salary range for this position will be $67,000-125,000.
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