Lead Network Test Engineer/ Telecom Test Engineer / Network Test Automation Engineer
Location – Bellevue, WA
Number of days onsite - 3
Mandatory Areas
- Expertise with Landslide test tool and any other Spirent tools: 8+ Years
- Expertise with Keysight IxLoad/LoadCore test tool: 8+ Years
- Validate protocols and call flows for 4G EPC, 5G Core, Diameter, SIP (VoLTE, VoNR), and HTTP2: 8+ Years
- Experience/Knowledge of Rest API/SOAP validation: 5+ Years
- Knowledge of Netscout, IP protocols: 5+ Years
Mandatory Skills:
- Expertise with Landslide test tool and any other Spirent tools
- - Expertise with Keysight IxLoad/LoadCore test tool
- - Protocols: 4G EPC, 5GC, Diameter, http2, SIP flows for VONR and VoLTE, Non-3GPP access
- - 3GPP spec awareness for 4G, 5G call-flows
- - Experience/Knowledge of Rest API/SOAP validation
- - Working knowledge of Basic IP protocols (IP, subnetting, vlan, etc)
- - Knowledge of Netscout, IP protocols (v4 and v6)
- - Additional scope: Knowledge/System Admin tools such Grafana, nagios etc..
- - Programming for streamlining system management and test tool execution
- - Interpersonal skills & Project management: Comfortable reaching out to different teams to realize a project from start to finish, co-ordinate troubleshooting sessions.
Position Overview:
This role involves testing and validating telecom network infrastructure and services, particularly in the 4G and 5G domains. The engineer will work with industry-standard testing tools (e.g., Landslide, Spirent, IxLoad), simulate complex call flows, and ensure conformance to 3GPP specifications. The responsibilities include traffic generation, protocol testing, system monitoring, and automation of test scenarios to evaluate performance and scalability.
Key Responsibilities:
- • Execute and automate performance and functional tests using Spirent Landslide, Keysight IxLoad, and related tools.
- • Validate protocols and call flows for 4G EPC, 5G Core, Diameter, SIP (VoLTE, VoNR), and HTTP2.
- • Interpret and apply 3GPP specifications to ensure test cases and network behavior are standards-compliant.
- • Perform API validation (REST/SOAP) and basic network troubleshooting (IP, VLANs, subnetting).
- • Monitor systems using tools like Grafana and Nagios.
- • Use scripting or programming to automate system and tool operations.
- • Collaborate cross-functionally with multiple teams for test planning, execution, issue resolution, and project delivery.
Ideal Candidate Profile:
- • Strong hands-on experience with telecom test tools and traffic generators.
- • In-depth knowledge of mobile network architecture (4G/5G).
- • Comfortable working in a multi-team, collaborative environment with some project management or coordination responsibilities.
- • Capable of both manual and automated test execution, with solid scripting skills for automation.
Additional Information
All your information will be kept confidential according to EEO guidelines.
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What We Do
Chabez Tech is a fast growing IT services and software development firm providing services across several domains. Chabez Tech is headquartered in Pennsylvania with a client base all around the world. Chabez Tech provides a wide variety of IT services, Application development and IT solutions. We have an offshore hub for back end operations and support for clients all over the world.
We strongly believe in providing value to our customers by providing accurate and state of the art solutions. We are continuously keeping ourselves on cutting edge of the technology to provide best IT solutions. Business needs are changing rapidly in order to cope up with the ever changing technology we are always trying to reinvent ourselves. We are committed to address your needs with solutions that are highly reliable and scalable.
Chabez Tech always looks to develop out of the box solutions to run the business operations in much more efficient way. We strive to excel and focus on customer engagements so that we always exceed the expectations of our clients. Also provides innovative solutions so that our clients are leading the way and have a competitive advantage over others. We measure our success with the success of our clients.
Chabez Tech has a dedicated team which is expertise, has rich experience and strong knowledge amongst most of the domains. This perfect blend strives to work towards customer satisfaction and relationship with the clients. Our team works round the clock and available at your service 24/7. We have a passionate team which is always striving for customer satisfaction.
Chabez Tech is committed to provide high quality software and IT solutions for your needs. We have a created a place for us in this industry with a basket of existing Domestic and International projects. We are expertise in ERP, Application development, IT Training, DBA services, BPO services and other IT solutions.
