Carrier Manager

1GLOBAL

. Manage outbound voice traffic costs and routing across the carrier base, optimizing quality, coverage, and margin .

Posted 9/18/2026full-timeLondon • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing outbound and inbound voice and SMS traffic, optimizing costs and revenue while ensuring regulatory compliance and strong carrier relationships. Proven ability to negotiate agreements and manage operational performance across telecom partners.

Highest-signal resume keywords

Carrier Relations ManagementVoice Routing OptimizationSMS Aggregation ExpertiseRegulatory Compliance KnowledgeNegotiation Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Voice InterconnectSMS MessagingMobile Number PortabilityCost OptimizationRevenue ManagementAnalytical SkillsTraffic ManagementLeast-Cost RoutingPorting ProcessesCommercial Terms Negotiation

Soft Skills

Excellent CommunicationHighly OrganisedCreative ThinkingRelationship BuildingResilience Under Pressure

Tools & Technologies

Traffic Management ToolsLCR PlatformsSMS Firewall TechnologyA2P Monetization Models

Industry Keywords

Telecom Carrier EcosystemAggregator ManagementNumbering PartnersService-Level AgreementsCross-Functional Coordination

About the role

Key responsibilities & impact

Manage outbound voice traffic costs and routing across the carrier base, optimizing quality, coverage, and margin
Own inbound voice revenue relationships with carrier partners to maximize termination revenue across routes
Manage outbound and inbound SMS traffic across P2P and A2P channels, including cost, revenue, partner, and aggregator management
Own relationships with numbering partners and implement and manage Mobile Number Portability (MNP) agreements
Own MNP as a business discipline, including regulatory compliance, porting performance, and cross-functional coordination with product, legal, and network teams
Negotiate carrier, aggregator, and numbering partner agreements and addendums, including commercial terms, SLAs, and technical requirements
Own operational performance against contracts across voice, SMS, and numbering partners, including service-level measures, escalations, and change requests

Requirements

What you’ll need

Good experience in carrier relations / mobile wholesale, ideally voice interconnect, SMS aggregation, or numbering/MNP
Strong understanding of the telecom carrier ecosystem, including voice routing, SMS messaging (P2P/A2P), and numbering/porting processes
Excellent commercial skills and strong analytical ability, particularly around cost, margin, and revenue optimization
Excellent communication skills; highly organised; forthright; able to work independently with minimal supervision
Driven, energetic, and resilient, able to thrive under pressure in a fast-paced, high-growth environment
Ability to think creatively and strategically and translate strategic thinking into solid deliverables and plans
Able to form strong relationships with carrier, aggregator, and numbering partners and internal stakeholders
A solid base of industry contacts across carriers, aggregators, and numbering partners (nice to have)
Experience negotiating voice interconnect, SMS aggregation, or numbering agreements (nice to have)
Knowledge of MNP regulatory frameworks and porting processes across relevant markets, including Ofcom, FCC, and national regulators (nice to have)
Familiarity with SMS firewall/filtering technology and A2P monetization models (nice to have)
Experience with least-cost routing (LCR) platforms and traffic/cost management tools (nice to have)

Benefits

Comp & perks

Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 50% year-on-year under the leadership of successful tech entrepreneurs.
Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry.
Work with a Talented Team: Collaborate daily with the Board, Founders, Senior Management Team, renowned external advisors, and talented and driven individuals.
Dynamic Work Environment: Collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
International Experience: Opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
Open Communication Culture: Supportive and transparent work environment where ideas are heard and open dialogue is encouraged.
Get Things Done Attitude: Results-driven team valuing efficiency, creativity, and tangible impact.
Equal opportunity employer with a collaborative, dynamic, and international work environment.