The document announces job openings at Viettel Network Technologies Center for developing 4G network equipment. Positions include SGW/PGW and MME software architects, data plane expert developers, signaling expert developers, and a database architecture role. Candidates should have bachelor's degrees and experience of 5+ years developing 4G networks. Fluency in English and experience with vendors like Ericsson, Huawei, and Nokia is required. Salaries range from $10,000 to $20,000. Interested candidates should contact Mr. Dinh Viet Quan.

1. Viettel Network Technologies Center – Viettel Group is responsible for research, development
and manufacturing state-of-the-art 4th generation include eNodeB and EPC. While our members
are all young, deep knowledge, professional, with experience inherited from operating domestic
and oversea telecommunication network, we desire to produce MADE-IN-VIETNAM
equipment, to contribute to national telecommunication market and deliver a Vietnamese brand
name – Viettel globally. Now, we're developing EPC, so we're looking for the candidates
(working in Vietnam and America) that fit the requirements of this project with numbers and
positions as below:
1.SGW/PGW Software Architecture
Job descriptions
- Research software solutions and technologies for SGW/PGW/GGSN in compliance with 3GPP
Release 10,11,12 specifications
- Participate in High Level Design-HLD and Low Level Design-LL for the SGW/PGW/GGSN
which meets capacity of 5 million subscribers.
- Participate in the process of evaluating and choosing hardware and software platform for
SGW/PGW/GGSN.
- Research technology trends and participate in building technology roadmap
- Participate in the process of assessing technologies and features of products of partners
Requirements
'- Qualifications: Bachelor degree in Electronics and Telecommunications, IT and related majors
- Fluency in English
- In-depth knowledge in telecommunication: 2G, 3G, 4G, especially LTE network (more than 5
years)
- Experienced in designing SGW/PGW/GGSN
- Experienced in software architecture solutions, high-performance computing, distributed
design, high availability system
- In-depth knowledge in programing on Linux and 10 years+ experience in C/C++ programing
on Linux.
- Experienced in designing communication platform on the telecommunications systems.
- Experienced in core network of Ericsson, Huawei, Alcatel, Nokia, ZTE ...
Salary: $15.000 - $20.000
2. MME Software Architecture
Job descriptions
- Research software solutions and technologies for MME/SGSN in compliance with 3GPP
Release 10,11,12 specifications
- Participate in High Level Design-HLD and Low Level Design-LL for the MME/SGSN which
meets capacity of 5 million subscribers.
- Participate in the process of evaluating and choosing hardware and software platform for
SGW/PGW/GGSN.
- Research technology trends and participate in building technology roadmap
- Participate in the process of assessing technologies and features of products of partners.
Requirements
- Qualifications: Bachelor degree in Electronics and Telecommunications, IT and related majors
- Fluency in English

2. - In-depth knowledge in telecommunication: 2G, 3G, 4G, specially LTE network (more than 5
years)
- Experienced in designing MME/SGSN.
- Experienced in software architecture solutions, high-performance computing, distributed
design, high availability system
- In-depth knowledge in programing on Linux and 10 years+ experience in C/C++ programing
on Linux.
- Experienced in designing communication platform on the telecommunication systems.
- Experienced in core network of Ericsson, Huawei, Alcatel, Nokia, ZTE ...
Salary: $15.000 - $20.000
3. Data plane Expert Developer
Job descriptions
- Participate in building detailed design (Low Level Design-LLD) SGW/PGW/GGSN product.
- Research Packet Processing Platforms on dedicated hardware platform and Intel DPDK.
- Compare, evaluate and choosing data processing technology.
- Develop data processing operations of the system with a large capacity.
- Implement the DPI (Deep Packet Inspection) functional.
- Optimize performance and data processing technology which meet capacity requirements (over
than 30Gbps throughput).
Requirements
- Qualifications: Bachelor degree in Electronics and Telecommunications, IT and related majors
- Fluency in English
- Knowledge in telecommunication: 2G, 3G, 4G; preferably candidate with experience in
developing telecom core system of the big vendor such as Alcatel, Ericsson, Nokia...
- In-depth knowledge in programing on Linux and 10 years+ experience in C/C++ programing
on Linux.
- Having at least 2 years experienced in data processing system on DPDK technology.
- Experienced in designing parallel processing system and large data processing
- Experienced in data structures, algorithms and design patterns
- Experienced in writing detailed system design documents
Salary: $10.000 - $15.000
4. Signaling Expert Developer
Job descriptions
- Develop 2G/3G signaling module based SIGTRAN
- Develop 4G signaling module based Diameter
- Developing the system for dispersion problem and signaling routing module which meets
capacity of 10 million subscribers
- Optimize performance and technology of signaling module
Requirements
- Qualifications: Bachelor degree in Electronics and Telecommunications, IT and related majors
- Fluency in English
- Knowledge in telecommunication: 2G, 3G, 4G; preferably candidate with experience in
developing telecom core system of the big vendor such as Alcatel, Ericsson, Nokia...
- In-depth knowledge in programing on Linux and 10 years+ experience in C/C++ programing
on Linux.
- Having at least 4 years experienced in 3G(Sigtran) or 4G(Diameter)

3. - Experienced in designing parallel processing system and large data processing
- Experienced in data structures, algorithms and design patterns
- Experienced in writing detailed system design documents
Salary: $10.000 - $15.000
5. Database Architecture
Job descriptions
- Orient and choose database technology platform for SGSN/MME. Build database architecture
and database schema.
- Research database solutions for SGSN/MME with capacity of 10 million subscribers
- Participate in distribution database design for MME/SGSN.
- Research database solutions for center database for whole EPC system.
Requirements
- Qualifications: Bachelor degree in Electronics and Telecommunications, IT and related majors
- Fluency in English
- In-depth knowledge in database, in-memory, big-data
- Experienced in data structures, algorithms and design patterns
- Experienced in designing parallel processing system and large data processing
- Having at least 5 years experienced in in-memory database (especially database for
telecommunication system).
- Experienced in developing large database system, preferably candidates with experience in
developing storage module of MME/SGSN of the big vendor such as Alcatel, Ericsson, Nokia...
Salary: $10.000 - $15.000
For more detail, please contact with:
- Mr: Dinh Viet Quan
- Mobile: +01689828181
- email: quandv@viettel.coml.vn, quandv@gmail.com