[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Veolia Environnement jobs](https://jobs.opennash.com/companies/veolia-environnement/) · [Search jobs](/search/) Veolia Environnement · Aubervilliers, IDF, France # Senior Network Expert & Project Manager M/F Aubervilliers, IDF, France Full-time Manager or lead Operations Listed on Veolia Environnement’s official careers site. Posted September 22, 2026. Check that it is still open and apply there. [Apply on Veolia Environnement’s careers site →](https://jobs.smartrecruiters.com/VeoliaEnvironnementSA/744000151003109-senior-network-expert-project-manager-m-f) [OpenNash Jobs](https://jobs.opennash.com/) / [Veolia Environnement](https://jobs.opennash.com/companies/veolia-environnement/) / Senior Network Expert & Project Manager M/F ## Job description The Senior Network Expert oversees technical architecture, contributes to innovation, leads projects, and ensures a successful handover to operations. He provides high-level technical support to Service Managers or Production teams on complex incidents. A key part of the role is also to drive product or service innovation and animate a product community to communicate strategy and foster continuous improvement. Main activities Maintain expertise in connectivity products and technologies (SDWAN, LAN, WIFI, PROXY, DNS/DHCP, FIREWALL) with vendors (CISCO MERAKI, PALO ALTO, INFOBLOX) and cloud providers (AWS,AZURE,GCP) to drive innovation & technical evolution journey. He contribute to identify and evaluate technical & product opportunities to suggest evolution than can be deployed or reused to impact BU and meet Veolia’s strong stake Contribute to technical standards definition. Manage and ensure compliance of network architectures standard with Technical Architecture and Operations Documents (DATEX) and existing policies Handle L3 support when necessary, contribute or lead crisis management on major incidents. Conduct technical diagnostics, validate action plans, and ensure resolution on complex and critical incidents to guarantee service level for our customers. - Update and maintain technical documentation and architecture compliance - Lead at least medium-sized projects as project manager with project methodology; ensure smooth transition to operational teams led by Service Managers Animate and lead communities around assigned products to communicate on strategy, product evolutions, and service understanding - Drive continuous improvement actions through active community engagement and knowledge sharing Support Service Managers in controlling managed service provider activities, particularly on complex tickets and critical incidents - Ensure technical best practices and compliance with operational procedures are respected - Participate in service definition and continuous improvement initiatives - Participate in vendor management and technical committees ## Qualifications ### Main skills Technical 15 years experience. Expertise in connectivity products and technologies (SDWAN, LAN, WIFI, PROXY, DNS/DHCP, FIREWALL) in multi BU Multi product group environment - Ability do define & present a technical strategy Concrete experience in innovation Project management and transformation: Demonstrated experience on medium-sized projects (minimum) as project manager - Demonstrated experience in complex SI transformation & deployment at scale Community management: Already animate and lead communities around assigned products to communicate on strategy, product evolutions, and service understanding Information Technology Infrastructure Library (ITIL): Integration in a service approach to guarantee Operational Excellence and good transition from project to operational teams. ### Client centric English Fluent to be able to discuss with BU and use international documentation Key behavioral skills Simplifying complex concepts: Ability to make complex information easy to understand for a non-expert audience Communication IT & Business: Ability to transmit information, broadcast a message in a clear and understandable way. Ability to work and communicate with expert, non expert, management Transversality: Ability to work with several teams with no hierarchical link Decision making: Ability to listen, decide or escalate Conviction / Assertivity: Ability to argue to persuade Formalisation & Rigor: Ability to be clear in the communication, to unsure a good undersanting & alignment of the differents stakeholder Autonomy: Ability to understand needs, use hard & soft skill to manage topics without systematic escalation. Define an magenta & approche to solve topic with efficiency Organisation skills: Ability to plan its activities and those of its teams Leadership: Ability to position itself at the head of a group and to lead and motivate teams Sense of performance/ client: Ability to meet commitments, in continuous search for improvement and wish to overperform Interpersonal skills: Ability to interact well with other people, to make the collaborate and cooperate Synthesis skills: Ability to combine separate elements in order to form a coherent whole and quick to understand ## At a glance - Posted by the employer: Sep 22, 2026 - First seen by OpenNash: Oct 23, 2026 - Last checked: Oct 23, 2026 - Listed for: 31 days - Location: Aubervilliers, IDF, France - Employment type: Full-time[Apply on Veolia Environnement’s careers site →](https://jobs.smartrecruiters.com/VeoliaEnvironnementSA/744000151003109-senior-network-expert-project-manager-m-f) ## More jobs at Veolia Environnement ### [Expert courant fort H/F](https://jobs.opennash.com/companies/veolia-environnement/jobs/9bd1c4bf0a4a8eae1b4b/) Aubervilliers, IDF, France ### [Alternance - Plan Stratégique Financier - H/F](https://jobs.opennash.com/companies/veolia-environnement/jobs/ef9daffcda1a6515458a/) Aubervilliers, IDF, France ### [Alternant(e) - Assistant(e) production e-learning - H/F](https://jobs.opennash.com/companies/veolia-environnement/jobs/cae4ee6a9b08bb448329/) Aubervilliers, IDF, France ### [Alternant(e) - Data Science et Plan d’Experiences: Modélisation des Procédés de Valorisation du CO2 - H/F](https://jobs.opennash.com/companies/veolia-environnement/jobs/f72eaf03771a22fc4ee3/) Aubervilliers, IDF, France ### [Alternant(e) - Développeur Mobile Android/iOS - (H/F)](https://jobs.opennash.com/companies/veolia-environnement/jobs/74ff8b2552cb8b7565b4/) Aubervilliers, IDF, France ## Similar jobs at other companies ### [Network Expert (Railway Signalling)](https://jobs.opennash.com/companies/siemens/jobs/e9daa5b2f61ee60ab91d/) Siemens ### [Expert Network Deployment (m/w/d)](https://jobs.opennash.com/companies/vodafone/jobs/8026b9e149642e88c202/) Vodafone · Hannover, Germany ### [Network Expert-Cisco ISE&Firepower](https://jobs.opennash.com/companies/ntt/jobs/d04ee331dcb85fed6d64/) NTT · China, SH, CN ### [Senior Expert Network Optimization & Development (m/f/d)](https://jobs.opennash.com/companies/deutsche-post/jobs/9d1f9708ad1a745d867d/) Deutsche Post · Bonn, Nordrhein-Westfalen, Germany OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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