Senior Systems Engineer - Telephony

SES S.A Brazil; Chennai District; On-site; INR 1,200,000 - 1,500,000; Full time

Job summary

SES S.A Brazil is looking for a Senior Systems Engineer to design and maintain enterprise Unified Communications platforms and voice infrastructure. This role involves deploying communication solutions globally, providing technical leadership, and troubleshooting issues within Unified Communications and contact center environments.

Candidates should have a Bachelor's degree in a relevant field and at least 7 years of experience in systems engineering. The position offers the opportunity to innovate and improve communication services within the organization.

Qualifications

• Minimum 7+ years of experience in systems engineering or unified communications engineering.
• Proven experience designing and implementing enterprise unified communications solutions.
• Experience with voice platforms, call center technologies, and collaboration tools.

Responsibilities

• Support deployment, configuration, and maintenance of Unified Communications platforms.
• Manage voice integrations and troubleshoot call routing issues.
• Collaborate with teams to ensure stable communication services.

Skills

Unified Communications architecture and design

Voice infrastructure and collaboration platforms

Networking and troubleshooting

Education

Bachelor’s degree in Computer Science, Information Technology, Telecommunications, or a related technical field

Job description

Role Description Summary

The Senior Systems Engineer plays a key role in designing, implementing, and maintaining enterprise Unified Communications platforms and voice infrastructure. The role contributes to system architecture, technical evaluation, and deployment of communication solutions that support global operations. The position provides technical leadership, supports complex problem resolution, and ensures consistent architecture and operational standards across environments. This role also supports innovation, operational excellence, and continuous improvement in communication services.

Primary Responsibilities / Key Result Areas

• Support the deployment, configuration, and maintenance of Unified Communications and collaboration platforms, including Microsoft Teams voice, conferencing systems, and enterprise telephony services.
• Configure and support Microsoft Teams voice features including call queues, auto attendants, voice routing, and enterprise calling capabilities.
• Support and maintain contact center integrations, including NICE inContact (CXone), ensuring proper call routing and interaction between Teams infrastructure and contact center platforms.
• Assist in the administration and support of RingCentral communication services, including number management, messaging integrations, and service configurations.
• Manage and maintain SIP trunking and voice integrations, including coordination with telecom providers and session border controllers (SBCs).
• Support service renewals and vendor coordination for communication platforms such as RingCentral, contact center services, and telecom providers, ensuring continuity of service and compliance with enterprise standards.
• Troubleshoot and resolve voice, call routing, signaling, and media-related issues across Unified Communications and contact center environments.
• Collaborate with network, infrastructure, and security teams to ensure stable and secure communication services across the enterprise.
• Assist in system upgrades, migrations, and platform improvements, including transitions between communication platforms and contact center solutions.
• Monitor system performance and availability of communication platforms and recommend improvements to maintain reliability and operational efficiency.
• Develop and maintain technical documentation, operational procedures, and configuration standards for Unified Communications and contact center platforms.
• Provide technical support and escalation assistance for complex communication platform issues and participate in on-call support rotations when required.

Competencies

• Unified Communications architecture and design
• Voice infrastructure and collaboration platforms
• Networking and troubleshooting

Qualifications & Experience

Bachelor’s degree in Computer Science, Information Technology, Telecommunications, or a related technical field.

Experience

• Minimum 7+ years of experience in systems engineering or unified communications engineering.
• Proven experience designing and implementing enterprise unified communications solutions.
• Experience with voice platforms, call center technologies, and collaboration tools.
• Knowledge of online meeting platforms and conferencing systems.
• Experience with Windows and Linux server operating systems.

SES and its Affiliated Companies are committed to providing fair and equal employment opportunities to all. We are an Equal Opportunity employer and will consider all qualified applicants for employment without regard to race, color, religion, gender, pregnancy, sex, sexual orientation, gender identity, national origin, age, genetic information, protected veteran status, disability, or any other basis protected by local, state, or federal law.