System Test Engineer - VoIP systems

Jobot; Gaithersburg (MD); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

401(k) with company match

Comprehensive medical and dental

Vision insurance

Paid time off and holidays

Hybrid schedule

Columbia, MD location

Job summary

Jobot is seeking a System Test Engineer to join our Test & Integration team in Columbia, MD. You will develop and execute system-level tests for VoIP, telecom, and ATM-related hardware/software, working hands-on with test equipment and collaborating with engineers and customers. Hybrid schedule with onsite and remote work options.

The ideal candidate has 5+ years of testing experience in mission-critical environments, strong troubleshooting skills, and a BS in IT/CS/EE or equivalent. U.S.

Qualifications

• Bachelor's degree in IT/CS/EE or equivalent experience.
• Hands-on hardware and system-level testing in mission-critical environments.
• Experience with VoIP, T1/ISDN, POTS, and timing/telecom networks.

Responsibilities

• Design, develop, and execute system-level test procedures for hardware and software.
• Perform functional, performance, security, and integration testing.
• Document defects and maintain traceability across test artifacts.
• Collaborate with engineering teams and customers on test plans and results.
• Support customer acceptance testing and test environment management.

Skills

System testing

Hardware testing

VoIP testing

Test plan development

Test execution

Troubleshooting

Analytical thinking

Communication with customers

Education

Bachelor's degree in IT/CS/EE

Tools

Wireshark

TIMS

Viavi T-BERD

Sage Multi-Channel Test Instruments

JIRA

GL Communications TDM tools

Job description

System Test Engineer - VoIP systems

$120000 - $180000 per year | Columbia, MD | Hybrid | Permanent

Exciting opportunity for an experienced System Test Engineer to work on mission-critical communication systems, Air Traffic Management technology, and advanced hardware/software integration!

A bit about us:

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.

Requirements

• 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

Why join us?

• $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

Job Details

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.

Key Responsibilities

• 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

Qualifications

• 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 interpret technical requirements and translate them into test procedures
• Bachelor's degree in Information Technology, Computer Science, Electrical Engineering, or a related field; equivalent experience considered
• Strong written and verbal communication skills
• Ability to work independently and collaboratively across technical teams

Preferred Experience

• Digital and analog telecommunications systems
• Radio communication systems and Air Traffic Management technology
• Test equipment including oscilloscopes, multimeters, TIMS, Viavi T-BERD, and Sage Multi-Channel Test Instruments
• Performance and simulation tools such as VOTER and GL Communications TDM solutions
• Network analysis tools including Wireshark
• Linux operating systems and IP networking
• JIRA, JAMA, and test management platforms
• Agile/Scrum development methodologies
• Industry standards including ED-137, MIL-STD-461G, FCC 47 Part B, FAA-G-2100H, FAA NextGen, and DO-278A
• Experience working in production or highly regulated technical environments

Additional Requirements

• 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

Jobot is an Equal Opportunity Employer. We provide an inclusive work environment that celebrates diversity and all qualified candidates receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, age (40 and over), disability, military status, genetic information or any other basis protected by applicable federal, state, or local laws. Jobot also prohibits harassment of applicants or employees based on any of these protected categories. It is Jobot’s policy to comply with all applicable federal, state and local laws respecting consideration of unemployment status in making hiring decisions.