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Senior Modem Software Engineer - C++​/Linux Security Clearance

Job in Scottsdale, Maricopa County, Arizona, 85250, USA
Listing for: Moseley Technical Services, Inc.
Full Time position
Listed on 2026-06-04
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 83.34 - 88.34 USD Hourly USD 83.34 88.34 HOUR
Job Description & How to Apply Below
Position: Senior Modem Software Engineer - C++ / Linux with Security Clearance
Check out this new opportunity! Senior Modem Software Engineer - C++ / Linux Restricted Ground Systems Scottsdale, AZ Pay Estimated: $83.34 - $88.34/Hour Active Top Secret/SCI Clearance Required U.S. Citizenship is required by Federal Law We are hiring a Senior Modem Software Engineer in Scottsdale, Arizona to support advanced Restricted Ground Systems and mission-critical defense communications programs. This onsite role requires expertise in software-defined modems, C/C++ development, Linux environments, networking, cloud technologies, Agile development, and Dev Sec Ops  methodologies supporting secure DoD communication systems and TS/SCI-cleared environments.

Responsibilities:
* Perform software requirements analysis, design, development, integration, testing, and documentation activities
* Develop and enhance:
* Software applications
* Embedded systems
* Software-defined modem technologies
* Supporting engineering tools
* Code, test, integrate, and maintain software solutions
* Apply software engineering, networking, and communications principles to develop complex systems and architectures
* Research and evaluate:
* Customer design proposals
* Communication technologies
* Industry trends
* Technical specifications and manuals
* Participate in technical reviews of software components and modem systems
* Define scope, schedules, and technical execution plans for assigned efforts
* Independently troubleshoot and resolve complex technical problems
* Support completion of major programs and technical projects
* Collaborate with senior engineering leadership, cross-functional teams, and external customers
* Provide technical leadership and mentorship to junior engineers as needed
* Support Agile and Dev Sec Ops  development activities

Qualifications:

* U.S. Citizenship is required by Federal Law
* Active DoD TS/SCI Security Clearance required at time of hire.
* Bachelor's degree in Software Engineering, Computer Science, Engineering, Mathematics, or related technical discipline
* 8+ years of software engineering, modem engineering, communications systems, or related experience; or Master's degree with 6+ years of related experience.
* Experience with communication protocols and software-defined modem technologies.
* Experience working in Linux development environments.
* Proficiency with C++ and/or C software development.
* Experience supporting network systems and communications architectures.
* Experience with cloud technologies, preferably AWS.
* Experience supporting Dev Sec Ops  methodologies and secure software development practices.
* Experience supporting software development lifecycle activities within Agile development environments.
* Ability to work onsite in Scottsdale, AZ.

Preferred Qualifications:

* Experience supporting Restricted Ground Systems or mission-critical defense communication programs.
* Experience with embedded systems development and integration.
* Experience supporting secure networking and cloud-based communications architectures.
* Experience mentoring junior software engineers within Agile development teams. Moseley Technical Services, Inc. is an AA/EEO/Veterans/Disabled Employer What to Expect
* Applicants selected for employment will be required to pass a pre-employment drug screening and background investigation, which may include education, criminal, and work history verifications.
* Accepted applicants will be eligible for benefits, including medical and supplemental insurance, and a 401(k) plan. Appreciation and gratitude for employees are hallmarks of organizations with low turnover.
* Final position level and pay will be based on experience. Resources
* To apply, send a resume to:  
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* For more information about Moseley, visit:
About Us Moseley Technical Services, Inc. (Moseley) was incorporated in 1994 to provide engineering and professional services to the aerospace/defense, manufacturing, government, and commercial industries. Our Mission is to deliver superior service to our customers and employees. We have been successful in our vision by building long-term relationships with customers and employees through integrity, transparency, and appreciation. We stand by our 30-year-old commitment of "World Class Service.

World Class Company."
Position Requirements
10+ Years work experience
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