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Senior Engineer, Test Engineering

Mirion Technologies
United States, Pennsylvania, Pittsburgh
Oct 24, 2025
Description

Mirion Technologies Secure Integrated Solutions (SIS) is seeking a Senior Software and System Test Engineer with a passion for advanced software and system testing.

The Senior Software and System Test Engineer will be responsible for integration and acceptance testing of Security Computer Systems, including user interfaces, server applications, integrated video surveillance subsystems, integrated access control and intrusion detection subsystems, and various other software and system components related to the security of critical infrastructure facilities such as nuclear power plants.

Candidate may work on multiple stages of testing including: requirements and design, software verification, and system integration and validation.

JOB RESPONSIBILITIES, DUTIES & CORE FUNCTIONS



  • Capturing and analyzing customer and stakeholder requirements.
  • Developing and maintaining test documentation, including plans, procedures, and reports.
  • Performing manual execution of written test procedures, exploratory testing, regression testing, and performance testing.
  • Developing and maintaining automated test scripts.
  • Identifying and documenting software and system defects.
  • Reviewing software defect trends, identifying systemic root causes and process improvements, and recommending new approaches, tools, and techniques that drive continuous improvements in software and system testing processes.
  • Configuring and using lab equipment and components utilized in the test environment.
  • Participating in cross-functional project teams representing the test engineering team.
  • Understanding and following all related software and systems engineering processes and procedures.
  • Travel 0-25%
  • Other duties as required.



KNOWLEDGE, EXPERIENCE, & SKILLS

Required



  • Bachelor of Science degree in a technical discipline (Engineering, Computer Science, Information Systems, etc.) with minimum 2 years' experience, or 5 years' experience in a related field.
  • Formal software and system engineering life cycles and processes (planning, documentation, execution, analysis, and reporting).
  • Requirements-based testing and management of requirement-test case traceability.
  • Software verification testing.
  • System validation testing.
  • Demonstrated ability to complete assigned tasks on-time and within budget in a results-driven environment. Ability to operate multiple projects/assignments concurrently while adjusting to changing priorities.
  • Strong problem solving, analytical skills, and attention to detail.
  • Ability to learn and adapt to new technologies and engage in continuous learning.
  • Excellent communication skills, both oral and written, including the ability to work with remote team members.
  • Interpersonal skills to collaborate and build strong relationships with people of diverse roles and all levels of management to develop and improve solutions, and to build and maintain rapport and teamwork.


Preferred



  • Basic knowledge of Kanban software development methodology and waterfall project lifecycle.
  • Defect tracking tools and workflows (e.g. Jira).
  • Requirements capture and traceability (e.g. Jama Connect).
  • Test case development and management (e.g. IBM Engineering Test Management).
  • Automated test tools and developing automated test procedures/scripts (e.g. Python, TestComplete).
  • Automated build and continuous integration (e.g. Jenkins, TeamCity).
  • Programming in high-level software development languages (e.g. C++, C#).
  • Use of relational databases (e.g. Oracle, SQL).
  • Virtualized environments (e.g. VMware).
  • Familiarity with cyber security controls (e.g. endpoint protection, firewalls, intrusion detection, Active Directory, security information and event management).
  • Industry familiarity (e.g. physical security, SCADA, biometric scanners).
  • Adherence to software quality standards (e.g. ISO-9001).
  • US. Citizenship.



PHYSICAL REQUIREMENTS/WORK ENVIRONMENT

Physical Requirements



  • Required to sit or stand, bend, type and reach while performing daily functions.
  • Daily work with office equipment and materials.


Work Environment



  • The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
  • While performing the duties of this job, the employee is sitting at a desk or standing to perform other tasks.

Qualifications
Education
Bachelors (required)
Experience
Bachelor of Science degree in a technical discipline (Engineering, Computer Science, Information Systems, etc.) with minimum 2 years' experience, or 5 years' experience in a related field. (required)
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.
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