Senior Sales EngineerSymphony Communication Services • Belfast, Northern Ireland, United Kingdom
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Senior Sales Engineer
Symphony Communication Services
- Belfast, Northern Ireland, United Kingdom
- Belfast, Northern Ireland, United Kingdom
About
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, our trader‑voice product and rethinking the industry’s approach to identity verification, connection and intelligence.
The opportunity and our ambition are huge. 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 Sales & Implementation 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 Cloud9s 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
3 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 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.
First‑hand 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
Region‑specific competitive benefits.
Build your own benefits (BYOB) perk.
Many other fun and exciting perks and activities!
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process to perform essential job functions and to receive other benefits and privileges of employment.
Required Experience Senior IC
Key Skills
Presentation Skills
Ruby
S3
Data Analytics
SAAS
Product Demos
Teradata
OpenStack
Pre‑sales
MPLS
MongoDB
HBase
Employment Type Full Time
Experience Years
Vacancy 1
Location Senior Sales Engineer • Belfast, Northern Ireland, UK
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Languages
- English
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