Atos is a leader in digital services with annual revenue of € 12 billion and 100,000 employees in 72 countries. Serving a global client base, Atos offers Consulting & Systems Integration, Managed Services & BPO, Cloud, Big Data & Cyber-security solutions. With deep technology expertise and industry knowledge, Atos works with clients across many business sectors: Defense, Financial Services, Health, Manufacturing, Media, Utilities, Public Sector, Retail, Telecommunications, and Transportation.
Atos is focused on business technology that powers progress and helps organizations to create their firm of the future. In addition, Atos is the Worldwide Information Technology Partner for the Olympic & Paralympic Games and operates under the brands Atos, Bull, Canopy, Unify and Worldline.
Atos offers a broad professional perspective and the opportunity to build a rewarding career across either the technical or business paths. With our worldwide presence and our broad range of professional services, Atos provides training programs across all our competencies and markets worldwide for employees in all stages of their career. In addition, we offer programs that are focused on engaging and developing people who are at the beginning of their career through internships and graduate opportunities.
For more information, please see the Atos corporate web site: www.atos.net.
Atos is an EEO employer, providing employment opportunity regardless of race, color, religion, sex, age, national origin veteran status, disability or other factors protected by law.
The Sr. Network Voice Engineer (Cisco Voice over IP Engineer) supports the planning, deployment, implementation, and maintenance of our client's enterprise IP telephony infrastructure.
Responsibilities include technology development and research, design and implementation, infrastructure design, engineering of network-based telephony services, level-2 and level-3 technical problem management.
Much of the work of the Sr. Cisco VoIP Engineer will be split between project-based efforts and operational support. This position works independently with vendor-partners on technology products and services to ensure smooth operations as well migrations from legacy PBX system to the new Cisco CUCM.
The Sr. Cisco VoIP Engineer also coordinates with other groups within IT to resolve multi-disciplinary issues—specifically with the WAN and LAN engineers on technical issues that span these domains.
Qualifications
- Expert knowledge of Cisco Unified Communications Manager (Call Manager) ver. 6x/7x/8x/9x/10x
- Expert knowledge in SBC SIP trunking specifically ACME Packet
- Expert enterprise multi-cluster design, integrating CUCM (Call Manager), Unity and Unity Connections, Expert enterprise Contact Center Design and implementation, integration/engineering of UCCX
- Expert knowledge of Cisco Unity and Unity Connections
- Cisco Emergency Responder (CER)
- IPCC and related applications
- Cisco IOS Telephony T1-PRIs/Gateways/MGCP/SCCP/SRST
- Cisco QoS for VoIP
- Expert knowledge of LAN/WAN communications
Top Skills
What We Do
Atos is a global leader in digital transformation with 110,000 employees and annual revenue of € 12 billion. European number one in Cybersecurity, Cloud and High-Performance Computing, the Group provides tailored end-to-end solutions for all industries in 73 countries.
Pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos operates under the brands Atos and Atos|Syntel. Atos is a SE (Societas Europaea), listed on the CAC40 Paris stock index.
The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence.
Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.







