System Test Engineer - VoIP systems

Salary: $120,000 - $180,000 per year

We are an established technology and engineering organization specializing in mission-critical communication systems and advanced hardware and software solutions. Our technology supports complex, high-reliability environments where performance, security, and system reliability are essential.

We are looking for an experienced System Test Engineer to join our Test & Integration team in Columbia, MD. This is an excellent opportunity to work with sophisticated telecommunications, networking, and Air Traffic Management systems while collaborating with engineering teams, customers, and technical stakeholders.

• Must be a U.S. Citizen
• Must have a clean background
• Must be able to obtain a Public Trust clearance if required in the future
• Must be able to work onsite in Columbia, MD, three days per week

• $120K-$180K base salary, depending on experience
• Hybrid schedule - 3 days onsite / 2 days remote
• 401(k) with company match
• Comprehensive medical and dental insurance
• Vision insurance
• Paid time off and holidays
• Opportunity to work on mission-critical systems and advanced technologies
• Collaborative engineering environment
• Exposure to complex hardware, software, and telecommunications systems

We are seeking a System Test Engineer with strong experience in hardware and software system-level testing, preferably within mission-critical communications, Air Traffic Management (ATM), telecommunications, or advanced networking environments. This position will be responsible for developing and executing test procedures, validating system performance, troubleshooting hardware/software issues, and supporting customer acceptance testing. The ideal candidate will be comfortable working hands‑on with test equipment, analyzing technical requirements, documenting defects, and collaborating with engineering teams and customers.

• Design, develop, and execute system-level test procedures for hardware and software components
• Conduct functional, performance, security, and integration testing
• Support informal testing, system verification, and customer acceptance testing
• Develop test plans and verification strategies based on system requirements and use cases
• Review system and software requirements for testability, coverage, and traceability
• Manage test environments, equipment, scripts, and supporting documentation
• Identify, troubleshoot, and document hardware/software defects and unexpected system behavior
• Maintain accurate test results, defect reports, and historical test documentation
• Work with engineering teams to investigate and resolve technical issues
• Interface directly with customers and partners regarding technical requirements, test plans, and system performance
• Support testing of telecommunications, VoIP, radio communications, and networking systems
• Participate in multiple testing and integration activities simultaneously

• 5+ years of system testing experience, including hands-on hardware testing
• Experience testing Air Traffic Management systems, radio control equipment, VoIP systems, advanced networking, or other mission-critical systems
• Strong understanding of hardware/software integration and system-level verification
• Experience developing and executing test plans, test cases, and formal test procedures
• Background working with telecommunications technologies such as VoIP, T1, ISDN, POTS, and TDM
• Strong troubleshooting, analytical, and problem-solving skills
• Experience documenting defects and maintaining test traceability
• Ability to…