Nelson Vieira Da Silva

Nelson Vieira Da Silva Email and Phone Number

Contracts and Costs Manager @ NOS SGPS
Porto, PT
Nelson Vieira Da Silva's Location
Porto, Porto, Portugal, Portugal
Nelson Vieira Da Silva's Contact Details

Nelson Vieira Da Silva work email

Nelson Vieira Da Silva personal email

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About Nelson Vieira Da Silva

Experienced telecommunication engineer with extensive work on project management, team management, network operations, contract governance, performance metrics, procurement and negotiation. Main focus in - Managed Services and Field Operations management (set-up and operations)- Contract Management (procurement, negotiation & contract administration)- Network Operations (for both, mobile and fixed networks including TV) - Access & Transmission technologies (roll-out and operations) More than 20 years of experience on telecom area, and more than 10 years within management of field service operations for telecommunications, with full responsibility from procurement phase until contract administration, including all operations activities and measurement of performance.Acknowledged track record on project management including fixed wireless network roll-out, national xDSL network roll-out, FTTx operations setup, team building and management, environmental (ISO 14001) and quality (ISO 9001) managements, change management during companies merge phases, tools for supporting operations (ex: ITIL, SAP BI/BO, OBIEE/ODS, Power BI, BMC ITSM, BMC Remedy, Cramer) and mastering of IT tools (ex: Excel, Word, Visio, Sharepoint, Powerpoint, MS Project). Extensive experience on managing Field Service operations for mobile (GSM, 3G. 4G, LTE), transmission (SDH. DWDM, IP, dark fiber networks) and fixed networks (xDSL, FTTx, HFC), coordination several contracts for Operation, Maintenance and Roll-Out activities.Specialties: Engineering, Implementation, Operations Mobile and Fixed TelecommunicationsAccess Networks, Transmission NetworksContract Management, SLA monitoring, negotiation, performance evaluationKey Performance Indicators: definition, implementation and control Budget controlField Service ManagementQuality ManagementEnvironmental ManagementProject ManagementChange Management

Nelson Vieira Da Silva's Current Company Details
NOS SGPS

Nos Sgps

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Contracts and Costs Manager
Porto, PT
Website:
nos.pt
Employees:
4026
Nelson Vieira Da Silva Work Experience Details
  • Nos Sgps
    Contracts And Costs Manager
    Nos Sgps
    Porto, Pt
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  • Nos Sgps
    Energy, Hvac And Field Operations Manager
    Nos Sgps Jan 2021 - Present
    Leading the Power and HVAC infrastructures operations team: including operation, maintenance, implementation and support of NOS technical sites (from small cabinets to large datacenters for both fixed and mobile networks), energy efficiency, sustainability and energy budget control. Design and implement analytics solutions for energy optimization.Follow-up energy efficiency in modernization of mobile network towards 5G.Advisory for Field Service O&M contracts: negotiation and governance (for all technologies and infrastructures).
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  • Nos Sgps
    Field Service Manager
    Nos Sgps May 2014 - Jan 2021
    Portugal
    Managing Field Service O&M Contracts (managing several outsourced contracts with more than 300 field technicians): drafting, procurement, negotiation, preparations and setup procedures, management governance, monitoring SLA metrics, KPI measuring, budget control, improving performance, claims and dispute resolution.Interface with Operations and Roll-Out teams for Field Operations.Business continuity management for Field Operations.Process definition for Field Operations (corrective, preventive, change procedures) including sharing operation with other operators.
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  • Optimus - Comunicações S.A.
    Contract Manager
    Optimus - Comunicações S.A. Sep 2006 - May 2014
    Introduced the function of Field Service contract administration role, including drafting, procurement, negotiation, setup procedures, management governance, monitoring performance and budget control.Designed and implemented IT tools for monitoring contractual SLA and KPI metrics. Evaluated operational and financial synergies in technical contracts within Zon and Optimus companies as a preparation for their merge (2013).Headed projects in Technical Operations including process optimization, review of infrastructures operational processes, quality and environmental management, tools customization and business continuity management programs.
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  • Sonaecom
    Transmission Manager
    Sonaecom Jan 2006 - Sep 2006
    Implemented a change process after the merge between Novis and Optimus: organized productively the team, established a budget control, improved processes and introduced new IT tools. Coordinated Transmission Operations: upgraded the cellular backhaul (GSM, 3G, UMTS), upgraded backbone network, established provisioning processes for TDM and IP circuits.Focus on the reliability of transmission network to minimize impact on service availability and customer experience. Established SLA and KPI metrics for team performance monitoring.Managed a team with 3 team leaders and around 30 technicians/engineers, ruled the operational coordination of O&M Field Service teams (around 40 technicians), controlled the support contracts for Transmission equipment suppliers and conducted the procurement of equipment and materials for O&M and implementation.
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  • Novis
    Access And Transmission Manager
    Novis Dec 2004 - Dec 2005
    Established Access and Transmission team with 25 technicians/engineers. Implemented SLA and KPI metrics for performance monitoring. Designed, customize and coordinated the implementation of IT tools for supporting the team activity. Managed roll-out and operations of DWDM, SDH, SDH and PDH Microwave, fibre optic networks; access TDM technologies: WLL and SHDSL networks. Implement the scheme for management of leased lines network, circuit provisioning for corporate customers and setting up the operations of head-end for TV service. Coordinated the Request for Quotation for equipment, support services and field services: procurement, drafting, analysing proposals, negotiation and contract implementation.
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  • Novis
    Access Network Manager
    Novis Jan 2000 - Nov 2004
    Managed Access networks engineering, roll-out and operations of access networks. Introduced IT tools for supporting operations (ex: Business Objects, Remedy, Cramer, in-house tools).Head a project of design, plan and implement a national wide Wireless Local Loop network for corporate services and cellular backhaul and related operational processes.Designed and implemented a national xDSL (ADSL, ADSL2+, SHDSL, GSHDL) integrated with a V5.2 voice multiplexer voice solution.Coordinated Request for Quotation processes within Access Networks and conducted equipment technical tests.
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  • Sonae Redes De Dados
    Project Manager
    Sonae Redes De Dados Mar 1999 - Dec 1999
    Started a technical pre-sales team for technical design advisory to sales. Involved in procurement and negotiation of customer solutions for telecommunications.Coordinated the technical team with France Telecom in preparations of the launch of Novis (colaboration between Sonae and France Telecom) on wireless access networks. Personal involvement in coordination of technical advisory for the Regulatory processes. Coordinated Request for Quotation processes within Wireless Access Networks, setting up technical team and site procurement.
  • Inesc Porto
    R&D Engineer
    Inesc Porto Aug 1996 - Feb 1999
    Researcher, Software Engineer and Developer on several Network Areas: V5.x, TCP/IP, QoS, ATM, Internet, Linux, C, C++, Perl.Presented a paper “TCP/IP Over ATM -- Performance Evaluation And Optimisation” in ATMTU’99 conference in Kosice, Slovakia (Technical University of Košice, February 1999).
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Nelson Vieira Da Silva Skills

Telecommunications Project Management Ip Sdh Transmission Umts Contract Management Gsm Negotiation 3g Wireless Mobile Devices Dwdm Networking Pre Sales Cellular Communications Managed Services Fiber Optics Outsourcing 2g Gprs Lte Atm Networks Qos Tcp/ip Microwave Dsl Rollout Operations Management Internet Protocol Universal Mobile Telecommunications System Internet Protocol Suite Wireless Technologies Team Management Team Leadership Field Service Business Strategy Management Budget Management Contract Negotiation Interpersonal Skills Microsoft Excel

Nelson Vieira Da Silva Education Details

Frequently Asked Questions about Nelson Vieira Da Silva

What company does Nelson Vieira Da Silva work for?

Nelson Vieira Da Silva works for Nos Sgps

What is Nelson Vieira Da Silva's role at the current company?

Nelson Vieira Da Silva's current role is Contracts and Costs Manager.

What is Nelson Vieira Da Silva's email address?

Nelson Vieira Da Silva's email address is ne****@****nae.com

What schools did Nelson Vieira Da Silva attend?

Nelson Vieira Da Silva attended Universidade Do Porto, Universidade Do Porto, Nova School Of Business And Economics, Nova School Of Business And Economics, Sap Portugal, Aese, Laboratório Da Formação, Nova Forum / Sonaecom.

What skills is Nelson Vieira Da Silva known for?

Nelson Vieira Da Silva has skills like Telecommunications, Project Management, Ip, Sdh, Transmission, Umts, Contract Management, Gsm, Negotiation, 3g, Wireless, Mobile Devices.

Who are Nelson Vieira Da Silva's colleagues?

Nelson Vieira Da Silva's colleagues are Mayara Azevedo, José Maria Graça Moura, Filipe Fortunato, Julião Miguel Afonso Afonso, Melissa Cunha, Joana Jethá, Pedro Caldas.

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