Cellular Systems Engineer – 5G, Test & DoD Programs

Tri Star Engineering, Inc.; Indiana (PA); On-site; USD 90,000 - 130,000; Full time

Job summary

Tri Star Engineering, Inc. is seeking a skilled Cellular Engineer (JCREW) to advance government R&D and testing in wireless communications. You will design, develop, integrate, and test cellular capabilities across 3G/LTE/5G, using C, C++, and Python, with emphasis on rigorous testing and mission readiness.

The role requires strong programming, systems-level testing, and the ability to operate in secure environments, including travel for field events and briefings. U.S.

Qualifications

• Bachelor’s degree in Computer Engineering, Electrical Engineering, Electronics Engineering, Mathematics, or a related discipline with a concentration in computer science or communications systems.
• 3+ years of related professional experience in software engineering, computer networks, wireless communications, protocol development, or test and evaluation.
• Experience with cellular protocols and standards including 3G, LTE, and 5G.
• Strong programming skills in C, C++, and Python.
• Experience developing, executing, or supporting structured test activities in laboratory or field environments.
• Understanding of wireless protocol fundamentals, device behavior, vulnerabilities, and performance characteristics.
• Ability to analyze technical data and clearly document findings, conclusions, and recommendations.
• Strong written and verbal communication skills and the ability to work effectively across multiple technical teams.
• Highly motivated, self-directed, and detail-oriented with a strong commitment to mission execution.
• U.S. Citizenship required.
• Must be able to obtain and maintain a Secret security clearance.
• Experience with wireless vulnerability analysis, protocol exploitation, or RF/cyber test environments.
• Experience supporting DoD, Navy, EW, cyber, or spectrum-related programs.
• Familiarity with software-based test infrastructure, automated test frameworks, and Git-based development workflows.
• Experience with verification and validation, requirements traceability, and formal test reporting.
• Experience supporting over-the-air, lab, or field-based wireless testing.
• Familiarity with RF analysis tools, signal assessment, signal generation, or software-defined radio environments.
• Ability to support tasking in higher-classification environments, including TS/SCI-eligible efforts, as required by assignment.

Responsibilities

• Support the design, development, integration, testing, and evaluation of cellular and wireless communication capabilities in support of Government research, development, and test activities.
• Develop and assess cellular protocol implementations across 3G, LTE, and 5G environments.
• Perform software engineering activities including design, coding, integration, debugging, and maintenance using C, C++, and Python.
• Develop, execute, and refine test plans, procedures, and protocols for laboratory, simulated, over-the-air, and field test events.
• Support test and evaluation activities through test preparation, execution, data collection, data reduction, analysis, reporting, and briefing development.
• Evaluate protocol behavior, vulnerabilities, quality of service characteristics, device performance, and implementation tradeoffs across wireless systems.
• Support software unit, integration, and system-level testing, including regression testing, requirements traceability, and verification and validation activities.
• Contribute to test automation efforts that improve consistency, repeatability, rigor, and efficiency of test events.
• Analyze system and test data and develop technical recommendations to improve performance, reliability, and mission effectiveness.
• Prepare technical reports, test documentation, briefing materials, and other work products required in support of customer objectives.
• Collaborate with multidisciplinary Government and contractor teams supporting engineering, software, RF analysis, modeling and simulation, and test infrastructure efforts.
• Support work in secure and classified environments and travel as required to support customer test events and mission needs.

Skills

C

C++

Python

Cellular protocols

Test engineering

Documentation

Communication

Education

Bachelor’s degree in Computer/Electrical/Electronics Engineering or related field

Tools

Git

Lab testing environments

Job description

Tri Star Engineering, Inc. is seeking a skilled Cellular Engineer (JCREW) to advance government R&D and testing in wireless communications. You will design, develop, integrate, and test cellular capabilities across 3G/LTE/5G, using C, C++, and Python, with emphasis on rigorous testing and mission readiness.

The role requires strong programming, systems-level testing, and the ability to operate in secure environments, including travel for field events and briefings. U.S.