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For Companies At a Glance
- Tasks: Design and support voice solutions using cutting-edge technology in a fast-paced environment.
- Company: Join Symphony, a leader in communication and markets technology for global finance.
- Benefits: Enjoy competitive salary, bonus plans, and unique perks tailored to your needs.
- Why this job: Be part of a passionate team redefining voice technology and making a real impact.
- Qualifications: 5+ years experience with Oracle SBCs and strong technical skills in voice technologies.
- Other info: Dynamic workplace with opportunities for growth and exciting team activities.
The predicted salary is between 36000 - 60000 £ per year.
About us @Symphony We’ve spent the last 10 years building a communication and markets technology company, powered by interconnected platforms: messaging, voice, directory and analytics. Over 1000 institutions use our modular technology built for global finance. Security is in our DNA with uncompromising data protection, end-to-end encryption and resilient architecture, all created on a foundation of trust with our customers.
But that was only chapter one. We’re now building on our purpose-built network, expanding AI-powered, real-time collaboration, redefining flexibility with fully cloud-native software with our trader voice product, and rethinking the industry’s approach to identity verification, connection and intelligence. The opportunity and our ambition are huge. But we need passionate, dedicated individuals to get there. At Symphony we work hard and fast. Our unique blend of technology and financial services makes it an environment you won’t get elsewhere.
Role Description:
We are seeking a highly skilled and customer-facing Voice Solutions Engineer with expertise in Oracle Session Border Controllers (SBCs) and voice trading technologies. This role combines technical design, deployment, and troubleshooting with pre- and post-sales engineering support, ensuring our customers achieve seamless integration of Cloud9’s voice products across complex enterprise and trading environments. The ideal candidate is a true technologist who thrives at the intersection of telecoms engineering and customer engagement, with a strong background in SIP, RTP, and VoIP architectures, alongside cloud-based voice and networking solutions.
Responsibilities:
- Pre- & Post-Sales Support
- Act as a trusted technical advisor during the sales cycle, providing design input and solution guidance.
- Deliver post-sales implementation support, ensuring smooth deployment and customer satisfaction.
- Assist in customer lab setups, integration testing, and network/firewall proxy configuration.
- Work closely with internal Product, Support, Development, and DevOps teams to represent customer needs.
- SBC & Voice Infrastructure Engineering
- Design, configure, and maintain Oracle SBCs (Acme Packet series) for SIP trunking, interconnect, and media relay.
- Develop and deploy custom scripts and configuration templates using ERE, ACLI, and XML provisioning.
- Troubleshoot signalling and media path issues using Wireshark, Oracle logs, and protocol traces.
- Integrate SBCs with PBXs, softswitches, and SIP platforms (e.g., Fusion, Asterisk, CUCM, Microsoft Teams Direct Routing).
- Implement security policies including DoS protection, topology hiding, and TLS/SRTP encryption.
- Collaborate with network and voice teams to ensure seamless call routing, codec negotiation, and QoS.
- Document workflows, configuration standards, and onboarding guides for internal and client-facing use.
Required Qualifications:
- 5+ years working with Oracle SBCs (Acme Packet 3900/4500 or virtualized platforms) including installation, configuration, upgrade, migration, troubleshooting and maintenance.
- Strong understanding of SIP/TLS, SDP, RTP/STRP, and NAT traversal techniques.
- Experience with SIP trunking, number normalization, and codec negotiation (G.711, G.729, Opus).
- Experience with handling and troubleshooting security certificates.
- Proficiency in scripting languages (Python, Bash, or similar) for automation and testing.
- Familiarity with network protocols (TCP/IP, DNS, DHCP) and firewall/NAT configurations.
- Firsthand experience with packet inspection tools (Wireshark, sngrep, pyshark).
- Ability to interpret call flows, debug SIP dialogs, and resolve interoperability issues.
- Excellent documentation and communication skills, especially in client-facing scenarios.
Desirable Extras:
- Oracle SBC certification (e.g., Oracle Communications Session Border Controller Implementation Specialist).
- Telecoms / Trading systems experience.
- Familiarity with SSO/SAML2.0 technology.
- Experience with cloud-hosted SBCs (OCI, Azure, AWS).
- Familiarity with voice recording, compliance logging.
- Exposure to Barix Instreamer, FFmpeg, or other RTP multicast tools.
Compensation:
- Competitive salary.
- Bonus plan.
- Benefits and Perks vary based on location.
Benefits and Perks:
- Regional specific competitive benefits.
- Build your own Benefits (BYOB) perk.
- Many other fun and exciting benefits and activities!
Senior Voice Solutions Engineer in Belfast employer: Symphony.com
Contact Detail:
Symphony.com Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Voice Solutions Engineer in Belfast
✨Tip Number 1
Network like a pro! Attend industry events, webinars, and meetups to connect with professionals in the voice solutions space. Don’t be shy—introduce yourself and share your passion for technology and customer engagement.
✨Tip Number 2
Showcase your skills! Create a portfolio or a personal project that highlights your expertise in Oracle SBCs and voice trading technologies. This will give you an edge and demonstrate your hands-on experience to potential employers.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and customer-facing skills. Be ready to discuss real-world scenarios where you've successfully integrated voice solutions and resolved issues—this is your chance to shine!
✨Tip Number 4
Apply through our website! We love seeing passionate candidates who are eager to join our team. Make sure to tailor your application to highlight how your skills align with our mission at Symphony.
We think you need these skills to ace Senior Voice Solutions Engineer in Belfast
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the role of Senior Voice Solutions Engineer. Highlight your experience with Oracle SBCs, SIP, and VoIP technologies. We want to see how your skills align with our needs!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for voice solutions and how you can contribute to Symphony's mission. Let us know why you're excited about this opportunity!
Showcase Your Technical Skills: Don’t hold back on showcasing your technical expertise! Include specific examples of your work with SBCs, troubleshooting, and any relevant projects. We love seeing real-world applications of your skills.
Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It helps us keep track of your application and ensures you don’t miss out on any important updates!
How to prepare for a job interview at Symphony.com
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of Oracle SBCs, SIP, RTP, and VoIP architectures. Be ready to discuss specific projects where you've implemented these technologies, as well as any challenges you faced and how you overcame them.
✨Showcase Your Customer Engagement Skills
Since this role involves a lot of customer interaction, prepare examples that highlight your experience in pre- and post-sales support. Think about times when you acted as a trusted advisor and how you ensured customer satisfaction during deployments.
✨Demonstrate Problem-Solving Abilities
Be prepared to tackle hypothetical troubleshooting scenarios during the interview. Practice explaining your thought process for diagnosing issues with signalling and media paths, and how you would use tools like Wireshark to resolve them.
✨Communicate Clearly and Confidently
Strong communication skills are key in this role. Practice articulating complex technical concepts in a way that's easy to understand. Remember, you’ll need to document workflows and guide clients, so clarity is crucial!
