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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on building and maintaining a global voice infrastructure for contact centers and back-office operations. Key technologies include Genesys Cloud CX, SIP, SDP and REST APIs integrations. Responsibilities include designing and implementing voice solutions, creating and maintaining call flows and IVR, backend integrations, optimizing and troubleshooting SIP/SDP, coordinating releases and providing out-of-hours technical support. Required minimum is 2 years hands-on with Genesys Cloud CX and experience in voice network engineering.
Voice Network Engineer – Genesys Cloud CX & Contact Center Integrations
Company: SQUARE ONE RESOURCES sp. z o.o.
from: 3 November 2026
to: 3 December 2026
120 - 150 złnet (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
Genesys Cloud CX
Session Initiation Protocol
Session Description Protocol
VoIP
Voice over IP
Interactive Voice Response
Network Routing
Audio Codecs
Optional technologies
AWS
Azure DevOps
Our requirements
- At least 2 years of hands-on experience supporting Genesys Cloud CX.
- Experience with voice network engineering, administration, configuration, and troubleshooting.
- Practical experience integrating third-party systems and services using REST APIs or other API technologies.
- Strong knowledge of network architecture, design, configuration, operations, and administration.
- Solid knowledge of Session Initiation Protocol (SIP), including troubleshooting signaling messages such as REGISTER, INVITE, ACK, and CANCEL, as well as understanding the different stages of communication flows.
- Good understanding of Session Description Protocol (SDP), including troubleshooting voice, video, and data negotiation messages, interpreting response codes, and identifying communication failures.
- Experience designing and documenting call flows and IVR routing scenarios.
- Excellent verbal and written communication skills, with the ability to communicate effectively with both technical and non-technical stakeholders at different organizational levels.
- Strong analytical, problem-solving, and decision-making skills.
- Excellent organizational, teamwork, and time management skills.
- Bachelor's degree in Computer Science, Engineering, or equivalent professional experience.
Optional
- Experience working in large-scale, global contact center environments.
- Experience working with cloud platforms such as AWS, Microsoft Azure, or other cloud providers.
- Knowledge of cloud-based communication architectures and enterprise voice solutions
Your responsibilities
- Design, develop, implement, and maintain voice network solutions supporting global contact center and back-office operations.
- Work closely with architecture teams to design, develop, deploy, and consume APIs.
- Manage and optimize voice systems, providing Subject Matter Expertise (SME) input into technical architecture and solution design.
- Design and implement call flows, IVR solutions, chat functionalities, and integrations with backend systems using APIs.
- Coordinate and execute release planning, development, testing, and deployment of IVR enhancements across multiple business units.
- Monitor and review technical support tickets, providing guidance and overseeing issue resolution.
- Create and maintain detailed call flow diagrams, ensuring all call variables and routing scenarios are properly addressed.
- Review functional and technical designs to identify potential risks, gaps, and missing requirements.
- Troubleshoot voice network and communication issues, including SIP signaling and SDP-related problems.
- Collaborate with technical teams and business stakeholders to ensure solutions meet operational and business requirements.
- Provide on-call, out-of-hours, and weekend support when required.
- Ensure the reliability, performance, and continuous improvement of voice and network infrastructure.
About the project
We are looking for an experienced Senior Voice Network Engineer specializing in Genesys Cloud CX and Contact Center Integrations to join a team responsible for developing and maintaining global voice and digital communication infrastructure.
The project focuses on establishing and supporting a reliable, scalable voice network that enables global voice and digital traffic for contact center and back-office operations.
The successful candidate will play a key technical role in implementing the company's cloud strategy, contributing to the design, planning, integration, maintenance, and optimization of cloud-based voice solutions.
You will collaborate closely with architecture teams and business stakeholders to translate business requirements into technical solutions, ensuring seamless communication across voice and digital channels. The role combines expertise in voice networking, Genesys Cloud CX administration, API integrations, and contact center technology.
This is how we organize our work
This is how we work
at the client's site
SQUARE ONE RESOURCES sp. z o.o.
#OneSquareOne - one team, many talents
Square One Poland specializes in IT outsourcing and supporting companies in building and scaling technology teams. We help international organizations access proven IT specialists, carefully matched to project requirements and company culture.
We act as a strategic partner, enabling effective team scaling — from individual experts to complete project teams — based on transparent cooperation and long-term, win–win relationships. For IT professionals, we offer inspiring projects delivered with modern technologies, clear communication, and real opportunities for professional growth.
Operating internationally, we combine years of experience with creativity, agility, and flexibility. Despite our market maturity, we retain a start-up DNA that allows us to respond quickly to changing business needs.
Our organizational culture is confirmed by the Great Place to Work® 2026 certification.
This is how we work
Voice Network Engineer – Genesys Cloud CX & Contact Center Integrations
120–150 zł / hr. (B2B)
I apply to:
SQUARE ONE RESOURCES sp. z o.o.
Warszawa, Masovian
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