ESFAB Telecom Expert Jobs

Principle System Engineer, Microwave & RF Backhaul / Access

2010-09-09T14:35:00.000+02:00

Location: Permanent / Contract
Position Type: Sweden

Responsibilities:

Design and develop microwave & RF Backhaul / Access systems up to 40 GHz, including the system architecture, high level specifications requirements, key MMICs and sub-system chipset solution evaluation.
Work with team in headquarters on module design, debug, integration, and troubleshooting.
Focus on quality and yield related issues during the mass production including design method, integration, testing and components consistency, etc.
Work on advanced microwave & RF technology research and development.

Requirements

More than 10 years experience on microwave & RF products up to 40GHz.
In-depth knowledge of microwave digital radio design and development, communication theory and practices (E1, T1, SDH, PDH, Ethernet, Etc).
Familiar with ETSI and FCC regulatory requirements
Excellent hands-on experience in developing microwave & RF products and experiments to find out the best balanced design on cost, high-volume, and performance.
Proficient in digital radio test methods and use of test equipment Excellent experience on volume production quality and yield related issues in the design, including assembling, testing and components consistency.
Sensitive insight on novel technique and development trend.
Ability to develop and prove innovative solutions.
Master degree plus in Electrical Engineering.
Fluent in spoken and written English
Excellent communication and working skills in multi-cultural team environment.

Send a copy of your CV to : cv[at]esfab.net

Principle Wireless Algorithm & Protocol Engineer, Microwave backhaul

2010-09-09T14:33:00.001+02:00

Location: Permanent / Contract

Position Type: Sweden

Responsibilities:

Develop Algorithm of the baseband modulator/demodulator for Microwave & RF Backhaul/Access products.
R&D experiences in microwave protocol & baseband signal processing algorithms
Responsible for system algorithm design and simulation.
Plan for Algorithm implementation and optimization in integrated circuits.
Work on FPGA simulation and system verification
Work closely with HW/SW engineers to verify the algorithm in hardware platform.

Requirements:

More than 10 years experience on microwave backhaul algorithm design.
Proficient in digital signal processing, synchronization in digital communications, DPLL design, etc.
Good knowledge of wireless communications.
Proficient in ANSI C and simulation tools, such as Matlab, etc.
Bachelor or higher degree in electrical engineering.
Fluent in spoken and written English.
Sensitive insight on novel technique and development trend.
Excellent communication and working skills in multi-cultural team environment.
The ability to develop and prove innovative solutions.

Please send us a copy of your CV in MS Word format , in English to cv[at]esfab.net

DPD（Digital Pre-Distortion） Expert

2010-07-16T11:50:00.006+02:00

Position: Contract 12- 24 month

Location: Sweden

Job Description:

Principal engineer for the development of digital power amplifier linearization algorithms. Also known as digital pre-distortion algorithms.

Responsibilities:

Research and develop next generation DPD algorithms operating on wide bandwidths, with extreme performance requirements, and/or over multiple TX bands.
Create new power amplifier models which take into account transient effects of changing input signals.
Assist the implementation team in creating the final commercial product.

Candidate required skills:

Must have experience with non-linear systems.
MS/PhD in engineering or equivalent
Strong verbal and written English skills so as to create detailed technical reports to be sent to the implementation group.
Must be able to communicate via email and telephone with development teams spread across multiple locations.
Able to assist the ASIC department in architecting an ASIC to implement DPD algorithms.

Candidate desired (but optional) skills:

Experience with Volterra-Wiener systems.
Prior experience with analog or digital linearization of power amplifiers.
Prior experience in the wireless infrastructure industry (GSM, WCDMA, LTE, WiMax, etc.)
Familiar with digital transmitters including digital IF, clipping/ crest factor reduction (CFR).

Send your CV to : cv[at]esfab.net

Microwave Protocol & Baseband Signal Processing Senior Engineers

2010-07-15T09:26:00.004+02:00

Position: Microwave Protocol & Baseband Signal Processing Senior Engineers

Key requirements:

3 to 5+ years direct R&D experiences on Microwave Protocol & Baseband Signal Processing algorithms

Fluent in English

Job description：Work together with Microwave team and Microwave Department to develop commercial Microwave mobile backhaul systems.

Employment: Permanent employee or consultant

To apply: Send us a copy of your CV in English to cv [at] esfab.com

Microwave RF Senior Engineers

2010-04-28T11:50:00.002+02:00

Position: Microwave RF Senior Engineers

Key requirements:

Has 5+ years direct R&D experiences on Microwave RF system development from 10+ GHz up to 38GHz bands
Working experience above 38GHz bands is an advantage
Knowledge on baseband signal processing of the Microwave system is an advantage
Fluent in English

Job description：Work together with Microwave team and Microwave Department to develop commercial Microwave mobile backhaul systems. Proposing RF system design scheme, writing specifications, selecting components/processes, designing part of the RF system, solving difficult problems, etc.

Employment: Permanent employee or consultant (in case of consultant, contract period could be at least for one year if the consultant). The client Will provide competitive salary package.

Send a copy of your CV in English to : cv[at]esfab.com

DPD（Digital Pre-Distortion）algorithms development for RF units in commercial base stations

2010-04-28T11:47:00.001+02:00

Position: DPD（Digital Pre-Distortion）algorithms development for RF units in commercial base stations

Key requirements:

l Has 2 to 5 years direct R&D experiences on DPD algorithms for base stations

l Be able to improve DPD algorithms for certain power amplifiers to make the RF units achieving good performance

l Working experience on Multi-carrier GSM DPD algorithms R&D for base stations is an advantage

l Knowledge on power amplifier design is an advantage

l Fluent in English

Job description：Work together with RF team to propose and develop DPD algorithms for commercial base stations.

Employment: Permanent employee or consultant (in case of consultant, contract period could be at least for one year if the consultant). The client Will provide competitive salary package.

send a copy of your CV in English to : cv[AT]ESFAB.COM

Sr. Digital Pre-distortion Algorithm Engineer

2009-08-18T11:54:00.001+02:00

Location: Sweden

Position Type: Permanent or Contract

Duration: Contract (12month)

Start Date: ASAP

Send A copy of your CV to: cv[at]esfab.com

URL: www.esfab.com

We are seeking for qualified Sr. digital pre-distortion algorithm engineers for our client's worldwide Mobile system turnkey projects.

Good technical knowledge on GSM/WCDMA/LTE

This person needs to have strong experience at base station side digital pre-distrotion algorithm experience for GSM/WCDMA/LTE commercial systems. This person needs to be a technical leader and driver, be able to work independently and in a team, to develop digital pre-distrotion algorithms for our commercial systems.

Requirements:

Required Industry Experience 5 Years

Join us here at Linkedin:

http://www.linkedin.com/groups?gid=1784589

Sr. LTE Baseband Algorithm Engineer

2009-08-18T11:51:00.000+02:00

Location: Sweden
Position Type: Permanent or Contract
Duration: Contract (12month)
Start Date: ASAP
Send A copy of your CV to: cv[at]esfab.com
URL: www.esfab.com

We are seeking for qualified Sr. baseband algorithm engineers for our client's worldwide Mobile system turnkey projects.

Good technical knowledge on LTE / OFDM / MIMO.

This person needs to have strong experience at basestation side：LTE baseband receiving algorithms. This person needs to be a technical driver, be able to work independently and in a team, to develop LTE baseband receiving algorithms for commercial LTE basestations etc.

Requirements:
Required Industry Experience 5 Years

Join us here at Linkedin:
http://www.linkedin.com/groups?gid=1784589

Sr. Power Amplifer Engineer

2009-05-08T12:56:00.002+02:00

Location: Sweden

Position Type: Permanent or Contract

Duration: Contract (12month)

Start Date: ASAP

Send A copy of your CV to: cv[at]esfab.com

URL: www.esfab.com

Job description:

We are seeking for qualified Sr. power amplifier engineers for our client's worldwide Mobile system turnkey projects.

Good technical knowledge on GSM / WCDMA / LTE.

This person needs to have strong power amplifier experience at basestation side. This person needs to be a technical leader and driver, be able to work independently and in a team, to develop power amplifiers for our commercial systems, etc.

Requirements:

• Required Industry Experience 5 Years

Experienced in basestation clipping/DPD (digital pre-distortion) algorithm engineer

2009-04-01T12:11:00.000+02:00

Experienced in basestation clipping/DPD (digital pre-distortion) algorithm engineer
Location: Sweden
Position type: Contract
Duration: 12month
Start ASAP
Send a copy of your CV to cv [at] esfab.com
www.esfab.com

Experienced Basestation Power amplifier engineer

2009-04-01T12:09:00.000+02:00

Experienced Basestation Power amplifier engineer
Location: Sweden
Position type: Contract
Duration: 12month
Start ASAP

Send a copy of your CV to cv [at] esfab.com

www.esfab.com

Experienced LTE basestation physical receiving algorithm engineer

2009-04-01T12:07:00.001+02:00

Experienced LTE basestation physical receiving algorithm engineer
Location: Sweden
Position type: Contract
Duration: 12month
Start ASAP

Send a copy of your CV to cv [at] esfab.com

www.esfab.com

Systems Architect-(Senior Architect of LTE and SAE)

2009-03-13T11:18:00.004+01:00

Location: Sweden

Language Skills: English (Sweden is plus)

Position Type: Contract

Travel Expectation: 20%-25%

Job Description:

---------------------------------------

Responsible Architect for LTE / SAE Solution.

Layout the E2E features for LTE / SAE Solution

Analyses requirements from carriers, standards and competitors.

Deliver LTE / SAE E2E solution requirement and specification.

Send a copy of your CV in MS Word format to: cv[at]esfab.com

Senior Core Network Hardware Design Expert

2009-03-13T11:13:00.004+01:00

Location: Sweden

Language Skills: English (Sweden is plus)

Position Type: Contract

Travel Expectation: 20%-25%

Job description

------------------------------

Design core network hardware including processor, clock and interface.
Design bus topology for hardware, considering reliability, overall performance, etc.
Model and simulate key signal,
Design hardware manufactured with cost and yield.

The contractor will provided the system architecture and key components as the input. The contractor will design the board, circuit level design, include JTAG, Monitor bus, CPU system, interface (hotswap) and so on, draw schematic and pre-layout.

Send a copy of your CV in MS Word format to: cv[at]esfab.com