CDI Corporation

CDI Corp. (NYSE:CDI) is an integrated, market-leading engineering and technology services organization providing differentiated, client-focused solutions in select global industries. Its operating segments include the Americas, EMEA, APAC, and MRI.  Its new service lines include Global Engineering and Technology Solutions and Professional Services Staffing. With more than 60 years in the industry, CDI has the expertise, speed and scale to help clients achieve a faster and higher return on cap... Read More

WHY WAIT?

Are you looking for an exciting new opportunity?
This may be your lucky day!
It is time for a change and CDI can help.

We have an immediate need for a Systems Test Engineer- Wireless

Job Description:

Systems Test Engineer position available immediately in the exciting area of Wireless Packet Core Technology.

Knowledge of 3GPP Packet Core networks and protocol stacks (GPRS, UMTS, LTE).

Software test and debugging skills.

Knowledge of Spirent Landslide, Nethawk (EXFO) EAST platform.

Understanding of IP networks and routing protocols.

They are not looking for technician level they must be system engineer level skills.

Description

Building on a successful 2G/3G product heritage, our client develops strong 4G MME and 2G/3G SGSN Products and is seeking an experienced software systems engineer for long-term (1 year +) contract position.
Responsibilities and requirements include:
Role:

Design and develop requirements-based test plans and test cases to verify the operation, functionality, and performance of our client’s Packet Core Carrier-Grade Products.

Using Automation Tools and Traffic Simulators, create and execute test cases ensuring that activities are completed according to project plan and with high quality.

Generate and track problem reports for any software, hardware or documentation issues found.

Execute test cases for Interoperability Testing (IOT) and technically support such activities as required.

Work closely with local and remote test and design teams to collaborate on test case execution, issue resolution and document reviews.

Some travel may be required.

Required Skills:

Extensive knowledge and understanding of the end-to-end 2G/3G/4G wireless core network architecture is required. Prior Software Product Verification hands-on experience in testing 2G/3G/4G wireless core data network products such as SGSN, GGSN, MME, and S-GW is highly desirable.

Must have in depth knowledge and understanding of 3GPP technical and product specifications with an ability to interpret the specification requirements into well planned and thorough test cases.

Must have hands-on experience in Performance testing, Interoperability Testing, Conformance Testing, Stress/Capacity/Scalability/Traffic testing, and Trials support.

Experience in developing complex 2G/3G/4G wireless technology call-flow scripts for functionality testing as well as experience in developing and implementing customer call models for traffic/load testing using automation and/or simulation tools such as Exfo Nethawk EAST, CATT, Spirent Landslide and/or INET Spectra.

Scripting experience using Expect/TCL, Perl, PHP, Shell and/or similar in a Linux environment and knowledge of UNIX/Linux operating system and configuration is highly desirable.

Product test hands-on experience is essential in majority of the domain/protocol areas such as: TCP/IP, Networking/Switching protocols, 2G/3G - GPRS/UMTS - SGSN/GGSN, 4G - LTE -MME/S-GW, IP Forwarding/Routing protocols – RIP, OSPF, BGP, Authentication – AAA/RADIUS/DIAMETER protocols and Frame Relay.

Education and Experience:

Minimum of Bachelor’s Degree in Computer Science/ Engineering of Electrical Engineering with 5 years if relevant experience.


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