[All remote jobs](https://jobicy.com/jobs.md)[![Five9 logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2025/08/7c3d754e-221.png)](https://jobicy.com/company/five9.md)[Five9](https://jobicy.com/company/five9.md) # Telecom Engineer – Voice Deployment Review the role, location requirements, compensation details, and application process before deciding whether this opportunity fits your next career move. [Apply for this job](#job-application)[View company](https://jobicy.com/company/five9.md)ShareRemote from[Portugal](https://jobicy.com/job-region/portugal.md)SalaryUndisclosedDepartment[DevOps & Infrastructure](https://jobicy.com/categories/admin.md)EmploymentFull TimeExperienceOpen levelPublished18 Oct 2026Apply before17 Nov 2026Listing views63Application actions3Application toolkit ## Make your next move. Prepare your resume, explore your fit, and draft a cover letter for this opportunity. AI Summary ## The role, at a glance. Five9 is hiring a Telecom Engineer for its Voice Deployment team to design and deploy scalable, resilient voice infrastructure across data centers and public cloud environments. The role focuses on SIP-based telecom platforms, service reliability, incident prevention, automation, and operational readiness. The engineer will work closely with Cloud Operations, Product, and Engineering teams while documenting solutions and transferring knowledge to operations. Candidates need at least three years of enterprise or service-provider voice-network experience, with Ribbon SBC and PSX expertise strongly preferred. This is a Portugal-based remote role, with a hybrid office requirement for residents of specified Porto-area municipalities. ## Role DNA A quick view of the complexity, pace, ownership and collaboration implied by the job description. ### Job Complexity 4/5EasyHard ### Pace & Pressure 4/5RelaxedFast-paced ### Autonomy Level 4/5GuidedFull ownership ### Communication Load 4/5IndependentCollaborative AI insightThe role requires hands-on expertise in carrier or enterprise voice systems, including SIP, high-availability design, Ribbon SBCs, and incident root-cause analysis. It also carries cross-functional delivery and mentoring responsibilities in a reliability-sensitive platform environment. ## Salary analysis Estimated compensation compared with the broader US market for similar roles. Estimated job median (per year)Market rate$80,000US market range (per year)$65k–$100k0$110.00k AI insightThe yearly pay period is inferred from the job context; it was not explicitly stated by the employer. No employer salary was disclosed. Estimated annual USD compensation for a mid-level telecom/voice deployment engineer is approximately $65,000–$100,000, with an estimated midpoint of $80,000; this is an AI market estimate rather than verified employer compensation. ## Core skills Skills and capabilities most closely associated with this opportunity. [SIP](https://jobicy.com/jobs?search_keywords=SIP.md)[WebRTC](https://jobicy.com/jobs?search_keywords=WebRTC.md)[Ribbon SBC](https://jobicy.com/jobs?search_keywords=Ribbon%20SBC.md)[PSX](https://jobicy.com/jobs?search_keywords=PSX.md)[Cisco networking](https://jobicy.com/jobs?search_keywords=Cisco%20networking.md)[Voice network engineering](https://jobicy.com/jobs?search_keywords=Voice%20network%20engineering.md)[Telecom deployment](https://jobicy.com/jobs?search_keywords=Telecom%20deployment.md)[High availability](https://jobicy.com/jobs?search_keywords=High%20availability.md)[Incident root cause analysis](https://jobicy.com/jobs?search_keywords=Incident%20root%20cause%20analysis.md)[Ansible](https://jobicy.com/jobs?search_keywords=Ansible.md)[Cloud infrastructure](https://jobicy.com/jobs?search_keywords=Cloud%20infrastructure.md)[Technical documentation](https://jobicy.com/jobs?search_keywords=Technical%20documentation.md)[Network automation](https://jobicy.com/jobs?search_keywords=Network%20automation.md)[Project coordination](https://jobicy.com/jobs?search_keywords=Project%20coordination.md) Sample interview questionsHow would you design a highly available SIP voice deployment across data centers and public cloud?I would begin by defining call-flow, capacity, latency, and failure-domain requirements. I would deploy redundant SBCs and supporting services across separate availability zones or data centers, use health checks and controlled failover, and validate routing, DNS, and observability before production rollout. I would also document rollback procedures and regularly test failover scenarios. Describe your approach to investigating a recurring voice-quality or call-failure incident. I would correlate signaling traces, SBC logs, media-path metrics, network telemetry, and recent configuration changes to establish the scope and timeline. After identifying the root cause, I would implement a durable corrective action, such as a routing, codec, capacity, or monitoring change, then verify the outcome and document prevention steps. What experience do you have with Ribbon SBCs and PSX, and how would you use them in a deployment? I would use Ribbon SBCs to secure and control session-border connectivity, including interoperability, routing, topology hiding, and policy enforcement. PSX would centrally manage routing and policy decisions, enabling consistent deployment patterns and controlled changes across the voice estate. How would you use automation to improve telecom deployment reliability? I would use Ansible or a similar tool to create version-controlled, repeatable configurations and pre-deployment validation checks. Automation should include idempotent changes, peer review, inventory management, post-change verification, and a clear rollback path to reduce manual errors and deployment variance. How do you ensure operations teams can successfully support a newly deployed telecom service? I would provide concise architecture diagrams, call-flow documentation, runbooks, monitoring and alerting guidance, escalation paths, and known failure modes. I would also conduct a knowledge-transfer session, walk through operational scenarios, and incorporate feedback so the documentation is practical for on-call support. Opportunity details ## About this role. Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. To support our continued growth, Five9 is seeking a Telecom Engineer to join our Voice Deployment team. In this role, you will be responsible for the design and deployment of next-generation voice technologies, ensuring reliable service delivery and contributing to the ongoing enhancement of our telecom infrastructure. Key Responsibilities * Design and deploy scalable, redundant, and highly available telecom solutions across Five9’s data centers and public cloud. * Ensure reliability and performance of the voice platform through proactive deployment practices and incident prevention. * Collaborate with Cloud Operations, Product, and Engineering teams to introduce new telecom features, devices, and services. * Drive platform improvements by initiating and contributing to projects focused on resilience, automation, and service quality. * Develop and maintain operational standards and processes to support deployment efficiency and platform reliability. * Analyze telecom incidents to identify root causes and implement corrective actions that prevent recurrence. * Evaluate deployment requests for feasibility, scope, and delivery timelines. * Provide knowledge transfer and deployment documentation to operational teams for continued support. * Collaborate with and mentor a global team of Voice Engineers to elevate team capabilities. * Support ongoing operations and act as a customer advocate to ensure deployment quality aligns with service expectations. Qualifications * Bachelor’s degree in Engineering or a related technical field preferred. * Minimum of 3 years of experience working on a service provider or enterprise voice network. * Strong understanding of SIP protocols; experience with WebRTC is a plus. * Hands-on experience with Ribbon SBCs and PSXs highly preferred. * Familiarity with Cisco technologies and CCNA certification is a plus. * Proficiency in documenting technical solutions including diagrams and written procedures. * Experience with Ansible or similar automation tools preferred. * Strong analytical, organizational, and communication skills. * Experience with project planning or coordination is a plus. Workplace location: This role is fully remote for candidates who reside outside Porto, Maia, Matosinhos, Gondomar, Valongo e Vila Nova de Gaia. Candidates who reside within those municipalities would be required to work in-office 3 days a week. Benefits: * Five9 Shares * Bonus Scheme * 10% Flexi Benefit * Meal Allowance * Medical Insurance * Life Insurance * 25 day Annual Leave + Public Holidays Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law. View our privacy policy, including our privacy notice to California residents here: [https://www.five9.com/pt-pt/legal](https://www.five9.com/pt-pt/legal). Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9. Show more [Apply now >](https://jobicy.com/jobs/155639-telecom-engineer-voice-deployment.md) > Annual salary information is not provided for this position. 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