Principal Software Engineer

Principal Software Engineer - Test Equipment

Active Secret Clearance Required

A confidential aerospace and defense organization is seeking a Principal Software Engineer to support advanced test equipment software used in mission-critical engineering, factory, production, and sustainment environments. This role is focused on developing, integrating, troubleshooting, and maintaining Windows-based software applications that interface with complex engineering systems, instrumentation, and production test equipment.

This is a strong fit for a hands-on software engineer who has built object-oriented applications in C# and C++ within Microsoft Visual Studio, enjoys working closely with electrical, systems, test, and manufacturing engineering teams, and can support high-reliability equipment in a secure on-site environment. Candidates must be comfortable working 100% on site in Tucson, AZ and must meet U.S. citizenship and Secret clearance requirements.

Compensation & Benefits

• Estimated pay range: $105.25 to $123.50 per hour, based on experience and final approval.
• Yearlong renewable contract with ability to extend multiple years or convert to permanent.
• Schedule: 1st shift, 40 hours per week.
• Work arrangement: 100% on site in Tucson, AZ.
• Openings: 2.
• Arizona paid sick time: up to 5 eight-hour days per year, based on applicable state requirements.
• Eligible contract employees may have access to medical, dental, vision, weekly pay, direct deposit, referral bonus opportunities, and recruiting/account-management support after 30 days of employment.
• 401(k) eligibility begins after 12 months as a CRG employee.

Responsibilities

• Design, develop, integrate, and maintain object-oriented software applications using C# and C++ in Microsoft Visual Studio.
• Develop Windows-based software solutions that support engineering, factory, production, and sustainment test environments.
• Troubleshoot software issues involving test equipment, instrumentation, hardware interfaces, and production support systems.
• Work with multidisciplinary engineering teams across software, test, systems, electrical, hardware, and manufacturing functions.
• Develop and derive software requirements for test-equipment applications and related system-level tools.
• Support all phases of the engineering lifecycle, including development, integration, verification, production support, and post-production sustainment.
• Prioritize and manage multiple software engineering tasks in a fast-moving technical environment.
• Lead technical workstreams and mentor junior software engineers when needed.

Qualifications

• U.S. citizenship required.
• Active Secret clearance required.
• Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, or another STEM discipline.
• 8+ years of professional software engineering experience, or 5+ years with an advanced STEM degree.
• Strong experience developing object-oriented software in C# and C++.
• Experience using Microsoft Visual Studio in a Windows operating system environment.
• Experience troubleshooting software, instrumentation, test equipment, or hardware/software integration issues.
• Ability to work 100% on site in Tucson, AZ.
• Strong communication skills and ability to work across engineering disciplines.