Thierry Libersa
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Thierry Libersa Email & Phone Number

EMEA customer support Team manager at Expandium (a VIAVI Solutions company)
Location: Nantes, Pays De La Loire, France 10 work roles 3 schools
1 work email found @alcatel-lucent.com LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

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Role
EMEA customer support Team manager
Location
Nantes, Pays De La Loire, France
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Thierry Libersa is listed as EMEA customer support Team manager at Expandium (a VIAVI Solutions company), a with 68 employees, based in Nantes, Pays De La Loire, France. AeroLeads shows a work email signal at alcatel-lucent.com and a matched LinkedIn profile for Thierry Libersa.

Thierry Libersa previously worked as 5G CAPEX/OPEX Budget manager at Nokia and 5g Maintenance System Program Owner at Nokia. Thierry Libersa holds Ingénieur Esigelec, Option Électronique, Télécommunication Et Hyperfréquences. from Esigelec (Ecole Supérieure D’Ingénieurs En Génie Electrique), Rouen.

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Email format at Expandium (a VIAVI Solutions company)

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{first}.{last}@alcatel-lucent.com
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Profile bio

About Thierry Libersa

My last 23 years of working experience in Telecom (mainly Radio part: 2G / 3G / 4G & 5G) has increased my technical skills, operators knowledge & made me naturally move from customers operations support to project / product / program /support team management.

Listed skills include Program Management, Alcatel, Telecommunications, and Wcdma.

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Thierry Libersa's current company

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Expandium (a VIAVI Solutions company)
Expandium (A Viavi Solutions Company)
EMEA customer support Team manager
pays de la loire, france
Website
Employees
68
AeroLeads page
10 roles

Thierry Libersa work experience

A career timeline built from the work history available for this profile.

Emea Customer Support Team Manager

Current

Saint-Herblain, Pays De La Loire, France

Main objective: managing the support team (10 engineers) of the Viavi’s network monitoring products for mobile network operators (SFR, Orange, etc…) and railway operators (SNCF, Deutsche Bahn, etc…).The products capture and analyze strategic data to measure the quality of service they provide their own customers.* Prioritize, follow the SLAs, do the reporting, follow the tickets updates of the L1/L2 issues* Keep a strong relationship with the R&D department (L3 support)* Manage customers’ escalations, ticket reports and regular reviews

Apr 2022 - Present

5G Capex/Opex Budget Manager

Nozay, Île-De-France, France

* Annual CAPEX / OPEX budget planification and definition for the 5g Radio Access network Productization department* Budget targets control of Paris Saclay Site* 5g CAPEX/OPEX material Ordering: identification of the 5g Lab needs, ordering & follow up until material delivery/invoicing (tools: Atlassian Jira, 4Budget, SAP BP, SAP P20)* Forecast of Lab new HW (new feature analysis and related new HW ordering, etc…)

Oct 2019 - Mar 2022

5G Maintenance System Program Owner

Nozay, Île-De-France, France

The Maintenance SPO orchestrates and leads (after the Nokia "P8" Milestone, general availability of SW for customer commercial deployment):* the problem investigation, solving (including workaround development) and correction work of faults found on customer field network.* the maintenance feature creation for a release.* the resources reservation.Ultimate goal is to deliver 5g maintenance SW packages on time and with expected customers fixes &/or new functionalities contents.

Apr 2019 - Sep 2019

5G Capex/Opex Budget Manager

Nozay, Île-De-France, France

* Annual CAPEX / OPEX budget planification and definition for the 5g Radio Access network Productization department* Budget targets control of Paris Saclay, Wroclaw and Hangzhou Sites* 5g CAPEX/OPEX material Ordering: identification of the 5g Lab needs, ordering & follow up until material delivery/invoicing (tools: Atlassian Jira, 4Budget, SAP BP, SAP P20)* Forecast of Lab new HW (new feature analysis and related new HW ordering, etc…)

Aug 2017 - Mar 2019

Post C5 Release Manager Lte

Nozay, Île-De-France, France

* Gatekeeper of Schedule, Content & Quality of the Post C5 eNB SW loads (FDD & TDD emergency Corrective Loads (CL) / Maintenance Corrective Loads (MNCL)):SCHEDULE:-Facilitate Customer critical tickets resolutions by working closely with L3 & L4 support teams-Ensure L4 Fixes & Final eNB load are delivered on time-Support Post C5 System Test Teams: ensure test strategy & campaign are in schedule + in line with customer network configuration…CONTENT:-Negotiation with customer teams to set the list of critical fixes for each CL/MNCL-Limit CL/MNCL content to service affecting, business critical issuesQUALITY:-Schedule & chair the “Go-NoGo” delivery reviews (Post C5 ST Tests results assessments, etc…)* Interface with all Nokia Customers Teams (CT) Project Managers(PM) & Technical Project Managers(TPM):-Business Unit (BU) information (MNCL/CL roadmaps, Main issues, etc…) shared on a regular basis -Management of CT specific requests (Feature/ SW customer deployment status, Maintenance SW status…)-Generic maintenance SW recommendations to the CT (which SW to take regarding their eNB site hardware (HW) configuration, roadmap…)-Maintenance of all LTE Nokia customers network characteristics (SW running, HW configurations installed)-CL/MNCL Nokia C5 milestone declaration (based on soak reports filled by the CTs)-Approve the maintenance software release introduction by each customer (GOLF process)-In particular crisis cases (WLI/CCI), Management of coordination meetings between the different actors in the BU & the CT* Features Life Cycles:-Post C5 “Churn in” Features: review, approval & support-FMA (First Market activation) activities support-Post C5 features « GA » declaration-Feature Status « Clean up » at Release End of Life Time Frame* Releases Life Cycles:-Part of Release Core Team for C5 (Volume availability readiness) Vote-Support PLM for the release End of Maintenance (C7) & End of Support (C10) preparation + Vote

Mar 2014 - Jul 2017

Post Dr5 Program Management Wcdma

Nozay, Île-De-France, France

WCDMA Business Unit interface with all Alcatel-Lucent PM (or TPM) Customers Teams (CT):- BU information shared on a regular basis (regular package communicated to all CT on the maintenance roadmap, Emergency Patches & the main issues).- Management of CT specific requests (Feature status & SW customer deployment status, Maintenance SW status, etc…).- Generic recommendations to the CT in term of maintenance SW package (which SW to take regarding their HW configuration, roadmap, etc…).- Maintenance of all WCDMA Alcatel Lucent customers network characteristics (SW running, HW configurations installed).- Based on soak reports filled by the CT, “GA” (General Availability <-> Go to open the load to any Live customers) declaration of Maintenance Release.- Approve the maintenance software release introduction on every account.- Release end of life (DR6) preparation in cooperation with the support & service teams.- In particular crisis cases, Management of coordination meetings between the different actors in the BU and the CT.In cooperation with L3 support Teams, the maintenance load:- Delivery Schedule is built.- Fix content is defined (objective = to minimize the number of fixes, tackling only what is critical for customers).

Dec 2010 - Mar 2014

New Product Introduction Project Manager (Solution Program Support / Wireless Access - Emea)

Nozay, Île-De-France, France

- “Post DR5” UTRAN Secured Upgrade Meetings Leader (maintenance of upg SU procedure, weekly SU meetings chair leader, GO/ NO GO upg meetings leader, upg Score Cards updates, etc…).- WCDMA RPEC (Regional Product Expertise Centre) Project LeaderProject manager for [OAM5.2/UA5.1] / [OAM06/UA06] & [OAM07/UA07] Release introduction: -> Technical experts team & CAPEX management. -> Identification of « invests » of new WCDMA products for RPEC platforms. -> Target = on time delivery of operational trainings (by RPEC experts team) to Customer Units experts.

Oct 2007 - Dec 2010

Wcdma / Gsm L2 Technical Support (Utran / Bss, Oam / Omc-R)

Châteaufort, Île-De-France, France

Remote support to Operational Teams for: * Installation & Commissioning, integration of « Wireless » Nortel Networks products (RNC/BSS, NodeB/BTS & OAM/OMC-R) for EMEA (Europe, Midle East Africa) + South Korea customers. * Deployment activities of «in service» products (H/W upgrade, S/W upgrade & roll-out, Live network intégrations). * « On call » 24x7 support.

Jul 2005 - Sep 2007

Wcdma Technical Expert By Alcatel Cit

Région De Paris, France

- On site Operations support (I&C, SW upgrades, Live networks supports & optimization (QOS, Radio parameter tuning, etc...), customers network acceptance (QOS (radio coverage & performance)).Supported customers = Spatial Wireless (Dallas, USA), Orange France, Jersey Telecom (Jersey Island), Telering (Vienna, Austria).- New features validations on R&D platforms (SI Telecom (système d’intégration telecom) team of Evolium).

May 2003 - May 2005

Gsm Technical Expert By Orange France

Région De Paris, France

- 2G Frequency Planning Team: implementation of GSM 900 & 1800 MHz frequency planning of Paris & its suburb (new site radio coverage calculation & simulation (PARCELL tool), automatic frequency allocation (AGORA tool), manual frequency allocation, pre-optimisations of the network, etc...- Cellular Engineery Team: GSM (900 / 1800 MHz) Network Design implementation: design of new site or new Sector addition, on-site visits, design of the site (BTS, feeders, antennas…), simulation of coverage of the planned sites (mecanical / Electrical Tilt, Power, etc...), etc...

Feb 2000 - Apr 2003
Team & coworkers

Colleagues at Expandium (a VIAVI Solutions company)

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3 education records

Thierry Libersa education

Ingénieur Esigelec, Option Électronique, Télécommunication Et Hyperfréquences.

Esigelec (Ecole Supérieure D’Ingénieurs En Génie Electrique), Rouen

Classes Préparatoires Aux Grandes Écoles

Lycée Jean Bart, Dunkerque (59)

Bac C, Baccalauréat C

Lycée St Adrien, Villeneuve D’Ascq (59)
FAQ

Frequently asked questions about Thierry Libersa

Quick answers generated from the profile data available on this page.

What company does Thierry Libersa work for?

Thierry Libersa works for Expandium (a VIAVI Solutions company).

What is Thierry Libersa's role at Expandium (a VIAVI Solutions company)?

Thierry Libersa is listed as EMEA customer support Team manager at Expandium (a VIAVI Solutions company).

What is Thierry Libersa's email address?

AeroLeads has found 1 work email signal at @alcatel-lucent.com for Thierry Libersa at Expandium (a VIAVI Solutions company).

Where is Thierry Libersa based?

Thierry Libersa is based in Nantes, Pays De La Loire, France while working with Expandium (a VIAVI Solutions company).

What companies has Thierry Libersa worked for?

Thierry Libersa has worked for Expandium (A Viavi Solutions Company), Nokia, Alcatel-Lucent, Nortel Networks, and Sivan Consulting.

Who are Thierry Libersa's colleagues at Expandium (a VIAVI Solutions company)?

Thierry Libersa's colleagues at Expandium (a VIAVI Solutions company) include Florian Lespagnol, Hameed Moneef, Florent G., Ziad Al-Tahhan, and Abdel-Rahman Adel.

How can I contact Thierry Libersa?

You can use AeroLeads to view verified contact signals for Thierry Libersa at Expandium (a VIAVI Solutions company), including work email, phone, and LinkedIn data when available.

What schools did Thierry Libersa attend?

Thierry Libersa holds Ingénieur Esigelec, Option Électronique, Télécommunication Et Hyperfréquences. from Esigelec (Ecole Supérieure D’Ingénieurs En Génie Electrique), Rouen.

What skills is Thierry Libersa known for?

Thierry Libersa is listed with skills including Program Management, Alcatel, Telecommunications, and Wcdma.

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