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Software Engineer-Developer Level 4 Security Clearance

Job in Maryland Heights, St. Louis city, Missouri, 63043, USA
Listing for: Indotronix International Corp
Full Time position
Listed on 2026-06-05
Job specializations:
  • Software Development
    Software Engineer, DevOps
Job Description & How to Apply Below
Position: Software Engineer-Developer Level 4 with Security Clearance
Location: Maryland Heights

Indotronix is seeking an :

Software Engineer-Developer Level 4

Location:

Maryland Heights, MO

Shift: First Hybrid, 3 days onsite required Ability to obtain a U.S. Secret Clearance Bachelor's Degree and 15+ years of experience

Key Responsibilities
* Support the design, development, testing, deployment, and maintenance of weapon planning software.
* Review, analyze, and translate customer requirements into software designs and technical solutions.
* Develop, enhance, optimize, and maintain software products and system integrations.
* Support the development and maintenance of software architectures, requirements, algorithms, interfaces, and designs.
* Troubleshoot, debug, and resolve software issues to ensure product reliability and performance.
* Assist in developing and improving software engineering processes, standards, and best practices.
* Collaborate with systems engineers, hardware engineers, product owners, and program managers.
* Support unit testing, integration testing, and system-level validation activities.
* Maintain software documentation, interface specifications, and test plans.

Required Qualifications
* Bachelor's Degree in Computer Science, Software Engineering, Engineering, or a related field.
* Ability to obtain a U.S. Secret Security Clearance.
* 15+ years of software development experience.
* Strong experience with JavaScript, Type Script, React, C#, and/or C++.
* Experience developing and consuming RESTful APIs.
* Experience with Agile software development methodologies.
* Experience with Agile project management tools such as Jira, Jira Align, or Azure Dev Ops.
* Experience with unit testing, integration testing, and system validation.
* Proficiency with version control and configuration management tools such as Git and Azure Dev Ops.
* Strong analytical, troubleshooting, and problem-solving skills.
* Excellent written and verbal communication skills.

Preferred Qualifications
* Experience supporting defense, aerospace, or mission-critical software programs.
* Knowledge of Open Mission Systems (OMS) and open architecture frameworks.
* Understanding of cybersecurity principles and secure coding practices.
* Experience with modular and open systems design.
* Experience integrating software using standardized interfaces and protocols.
* Strong understanding of software architecture, design patterns, and development best practices.
* Experience with .NET MAUI. Education & Experience
* Bachelor's degree and typically 15+ years of related software engineering experience, or an equivalent combination of education and experience.
* Ability to obtain and maintain a U.S. Secret Security Clearance.
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