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L3Harris Technologies

Integration & Test Software Engineer

Montreal, QC, H4T 1G5, Canada

Pay: Compensation Range: Between $62,500 - $112,500 CDN annually
Experience: 3+ years of relevant experience in software testing, system validation, integration, technical support, or service engineering roles.
Posting language: English
Posted: Sep 23, 2026

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Original job description

Job Title: Integration & Test Software Engineer

Job Location: Montréal, QC

Job Code: 37709

Job Schedule: Day Shift

Compensation Range: Between $62,500 - $112,500 CDN annually

Essential Functions:

Execute system-level software validation and integration tests across multiple environments, including lab setups, simulators, and test platforms.
Analyze test results and produce clear, structured defect reports to support efficient resolution by development teams.
Perform manual validation activities while developing and maintaining automated test cases where appropriate.
Investigate and troubleshoot system-level issues by reproducing problems, isolating failure conditions, and supporting root cause analysis.
Act as a technical generalist, contributing across multiple subsystems (e.g., HMI, control systems, communication interfaces) to support integration and validation activities.
Support validation of software changes from multiple development teams and assess system-wide impacts.
Assist in maintaining and configuring test environments, including system setup, software deployment, and configuration management.
Collaborate closely with software developers, system engineers, and integration teams to ensure system coherence and readiness.
Support customer-facing validation activities, including Factory Acceptance Tests (FAT), Set-To-Work (STW), and commissioning phases.
Participate in on-site troubleshooting and investigation activities when required, including potential travel to customer locations (ships or training systems).
Provide timely and structured feedback to internal teams on issues identified during testing or field operations.
Contribute to continuous improvement of validation processes, including expanding automation coverage and efficiency.
Develop and maintain test procedures, validation documentation, and knowledge artifacts.
Take initiative to expand technical knowledge and progressively contribute to integration activities, with a growth path toward an Integration & Test Specialist role.

Qualifications:

Bachelor’s degree or technical diploma in Software, Computer, Electrical or Systems Engineering, or a related discipline, or equivalent practical experience.
3+ years of relevant experience in software testing, system validation, integration, technical support, or service engineering roles.
Hands-on experience executing manual software tests and documenting defects with clear, structured reporting.
Demonstrated ability to troubleshoot and debug issues across multi-component systems, including software, configuration, interfaces, and basic hardware interactions.
Good understanding of software development lifecycle (SDLC) and validation processes.
Strong analytical and problem-solving skills with a high level of curiosity and initiative.
Ability to operate as a polyvalent/generalist contributor, capable of understanding multiple subsystems and adapting quickly.
Strong written and verbal communication skills, with the ability to clearly document issues and communicate findings to technical teams.
Comfortable working in dynamic environments with evolving priorities and incomplete information.
Bilingualism (French and English) is required due to contractual requirements.

Preferred Additional Skills:

Exposure to scripting or test automation (e.g., Python, Bash, or similar) is considered an asset.
Experience with automated testing tools (e.g., TestComplete) is considered a strong asset.
Familiarity with system-level environments, including integration platforms, simulators, or lab/test setups is an asset.
Experience with communication protocols, networking concepts, or distributed systems is an asset.
Experience supporting field activities such as FAT, STW, commissioning, or customer support is an asset.

Eligibility Criteria:

Must be eligible for registration with the Controlled Goods Program;
Must be eligible to obtain and maintain a government of Canada Reliability status and Secret Level 2/NATO Secret security clearance;

L3Harris is proud to be an equal opportunity employer and is committed to treating all of its employees and job applicants with respect and dignity and to maintaining a workplace free from discrimination. Anyone applying for a position will be considered without regard to the following: race, national or ethnic origin, colour, religion, age, nationality, ancestry, ethnicity, gender, sex, sexual orientation, gender identity or expression, marital status, family status, genetic characteristics, disability, citizenship status, or conviction for an offence for which a pardon has been granted or in respect of which a record suspension has been ordered, or any other characteristic that is protected by applicable human rights legislation.

L3Harris maintains a drug-free workplace and conducts pre-employment drug and alcohol testing and background checks, in accordance with applicable law. Such results are only accessible and viewed by individuals at L3Harris who have direct responsibility in the hiring process. If you fail to report for a drug and alcohol test, refuse to undergo such test or test positive for the presence of drugs or alcohol, the hiring process may be concluded or your offer of employment may be rescinded, in L3Harris’ sole discretion.

This job is for an existing vacancy

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More about this job

Responsibilities

Execute system-level software validation and integration tests across various environments while analyzing results to produce structured defect reports. Collaborate with development and system engineering teams to troubleshoot issues and support customer-facing validation activities like Factory Acceptance Tests.

Requirements

Requires a bachelor's degree or technical diploma in a relevant engineering discipline and at least 3 years of experience in software testing or system validation. Candidates must be eligible for Canadian government security clearance and possess strong analytical and communication skills.

Skills

Software testing
System validation
Integration testing
Troubleshooting
Debugging
Defect reporting
Test automation
Python
Bash
TestComplete
Communication protocols
Networking
Distributed systems
Technical documentation
Analytical skills

Visa sponsorship

Not detected in the job text

Keywords

Software validation
Integration testing
System engineering
Test automation
Python
Bash
TestComplete
SDLC
Troubleshooting
Debugging
Factory Acceptance Tests
Set-To-Work
Commissioning
Networking
Distributed systems
Communication protocols
Controlled Goods Program
Security clearance
Technical documentation
Root cause analysis
HMI
Control systems
Simulation
Lab setups
Configuration management
Software deployment
Field operations
Validation processes
System coherence
Engineering

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