14 of 14 RTP Jobs in London

Telco Core Network Engineer

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 60,000 Annual
ePDG) Good understanding of standards and architectures (3GPP, IETF, GSMA etc.) Core Network Protocols (GTP, Gi, Sy, Gx, Gy, Ro, MAP, SIP, RTP, SMPP etc.) Working through logs to debug issues Desirable SIM/eSIM/BAP Testing Oracle/SQL Unix/Linux Please apply ASAP for more information. ...

Core Network/Network Performance and Optimisation Engineer

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 60,000 Annual
ePDG) Good understanding of standards and architectures (3GPP, IETF, GSMA etc.) Core Network Protocols (GTP, Gi, Sy, Gx, Gy, Ro, MAP, SIP, RTP, SMPP etc.) Working through logs to debug issues Desirable SIM/eSIM/BAP Testing Oracle/SQL Unix/Linux Please apply ASAP for more information. ...

Software Engineering Specialist

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
JAIN SLEE framework, SIP Servlet Frameworks Telephony Engines: Hands-on experience configuring and scripting with FreeSWITCH or Asterisk. Voice Protocols: Solid understanding of SIP, RTP/RTCP, and SDP. Speech AI: Experience integrating cloud speech APIs (e.g., AWS Transcribe/Polly, Azure Speech, Google Cloud Speech-to-Text). Multi ...

Network and Voice Engineer

Hiring Organisation
Source Group International
Location
London, United Kingdom
Salary
£ 80 K
Cisco and/or Juniper routing and switching; solid understanding of TCP/IP, DNS, DHCP and network services.Proven experience with voice technologies: SIP, RTP, codecs, QoS for voice, and enterprise telephony/UC platforms.Experience with firewalls and network security principles; familiarity with IDS/IPS and secure access patterns.Exposure ...

Network and Voice Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
/or Juniper routing and switching; solid understanding of TCP/IP, DNS, DHCP and network services. Proven experience with voice technologies: SIP, RTP, codecs, QoS for voice, and enterprise telephony/UC platforms. Experience with firewalls and network security principles; familiarity with IDS/IPS and secure access patterns. ...

Java Developer

Hiring Organisation
Clear IT Recruitment
Location
London, United Kingdom
Salary
£ 60 K
Engine Framework to accommodate unique game designs • Building improvements into the core Game Engine Framework • Building tools and systems to improve game simulation and RTP calculationEssential skills: • Experience of mathematics associated with game design • Experience of Java Development • Scrum and Agile Software Development MethodologiesPreferable skills: • Experience of coding algorithms • Spring ...

IMS / Core Test Engineer - 5G

Hiring Organisation
Qualitest
Location
London, United Kingdom
Salary
£ 80 K
production deployment activities.Required Skills & ExperienceExperience working within telecommunications testing environments.Strong understanding of IMS architecture and protocols.Hands-on experience testing VoLTE, VoWiFi, SIP, Diameter, RTP, and related technologies.Knowledge of EPC and/or 5G Core network components and interfaces.Experience using network analysis tools such as Wireshark, QXDM, or similar.Ability to analyse ...

VoIP QA Automation Architect

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
design scalable test frameworks, author rigorous test cases, and produce detailed reports to guide deployment decisions. The role requires deep knowledge of SIP/RTP, network diagnostics, and CI/CD integration, with hands-on scripting in Python and Robot Framework. Hybrid work in London is offered in this ...

Security Engineer, Institutional Trading

Hiring Organisation
Blockchain
Location
London, United Kingdom
Salary
£ 80 K
critical assets and workflows to identify structural vulnerabilities. You will be responsible for defining the Target State and drafting the strategic Risk Treatment Plans (RTP) required to meet institutional-grade standards (e.g., CCSS, NIST, DORA).Act as the primary security liaison for Senior Management and third-party vendors. You will ...

Security Engineer, Institutional Trading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
critical assets and workflows to identify structural vulnerabilities. You will be responsible for defining the Target State and drafting the strategic Risk Treatment Plans (RTP) required to meet institutional-grade standards (e.g., CCSS, NIST, DORA). Act as the primary security liaison for Senior Management and third-party vendors. ...

Senor QA Automation Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £370/day
packet data using Wireshark and tcpdump to diagnose audio drops, call failures, or one-way media. Validate Protocols: Verify SIP signaling, SDP negotiations, and RTP/SRTP media stream compliance. Assess Quality Metrics: Continuously monitor and log critical VoIP KPIs including jitter, packet loss, latency, and Mean Opinion Score … with Servers DNS/DHCP/LDAP/A.D Experience in Telecom Applications ( Metaswich Rhino, Dialogic Media Server, Perimeta SBC ) and Telecom Protocols ( SIP, RTP ) Have good Knowledge in ITIL Process and Security implementation/System hardening on Telecom Applications and Services Desirable SSCA SIP School Certified Associate Knowledge ...

Games Mathematician

Hiring Organisation
Gaming Realms
Location
Greater London, England, United Kingdom
design, analyse, and optimise the mathematical models behind gaming products. Develop game mathematics that deliver engaging gameplay while meeting target return-to-player (RTP), volatility, hit frequency, and regulatory requirements. This role requires strong analytical skills, attention to detail, and the ability to collaborate with designers, developers, artists … Games Mathematician Lead. Key Responsibilities Design mathematical models for Slingo slot games, table games, instant-win games, and other gaming products. Calculate and verify RTP, volatility, hit frequency, feature frequency, jackpot contributions, and other key performance metrics. Develop game mechanics that are entertaining, balanced, and commercially competitive. Create and maintain ...

Director, Product and Innovation - Tokenisation

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
with engineering, design, and operations teams to deliver solutions that are scalable, compliant, and user-friendly. Ensure interoperability with traditional payment infrastructure (ACH, SWIFT, RTP, card networks). Stakeholder & Client Engagement Collaborate with sales, relationship managers, and key clients to identify needs and co-create payment solutions. Partner with compliance … product management, payments, fintech, or digital assets. Prior experience with blockchain, stablecoins, or tokenisation strongly preferred. Technical Knowledge: Understanding of payment networks (ACH, RTP, SWIFT, card schemes) and blockchain protocols (Ethereum, permissioned chains, Layer 2s). Regulatory Awareness: Familiarity with financial regulations related to payments, AML/KYC, and digital ...

Genesys Cloud CX – Level 3 Engineer (Senior / SME)

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
management, corrective action tracking, and platform stabilization initiatives. Voice, Media & Network Engineering Own advanced troubleshooting of SIP signaling, call setup, and session negotiation Diagnose RTP media issues including one-way audio, packet loss, jitter, latency, and codec mismatches Provide technical leadership for WebRTC media behavior, including ICE, STUN, and TURN … Genesys Cloud CX preferred) Expert-level understanding of: Genesys Cloud CX architecture Voice, digital, routing, and media paths Deep hands-on expertise in: SIP, RTP, WebRTC, BYOC, SBCs, and carrier interconnects Salesforce CTI and Microsoft Dynamics CRM integrations REST APIs, OAuth, JSON, webhooks Proven experience leading P1/P2 incident ...