Wholesale SMS Account Specialist

Job Descriptionmodulus SA is an innovative telecommunications company based in Athens, Greece. Since 2012, we’ve been delivering next-generation VoIP telephony services to clients across both domestic and international markets. Today, we are one of Greece’s leading VoIP providers, helping businesses across industries embrace modern, flexible, and cost-effective communication solutions that enable digital agility and remote work.As part of our continued growth, we are expanding our Voice and SMS wholesale team and seeking a detail-oriented and driven Wholesale SMS Account Specialist. If you thrive in a fast-paced environment, excel at building relationships, and have a passion for telecommunications, we’d love to meet you.Role OverviewAs a Wholesale SMS Account Specialist, you will play a pivotal role in driving the growth of modulus’ international SMS wholesale business. You will manage a portfolio of strategic accounts and develop long-term partnerships with carriers, aggregators, CPaaS providers, and OTT platforms. You will be responsible for the commercial success, operational health, and overall customer satisfaction of your accounts.This is a hands-on position suited to individuals with excellent organizational skills, a commercial mindset, and a strong understanding of the A2P SMS market.Key ResponsibilitiesManage and expand a portfolio of key wholesale SMS accounts (both buy and sell side)Identify and develop new business opportunities with international carriers and aggregatorsOptimize routing and pricing strategies to maximize profitability while maintaining service qualityConduct regular business reviews and in-depth performance analyses with key partnersNegotiate commercial terms, contracts, and volume commitmentsCollaborate cross-functionally with internal teams (technical, legal, billing, finance) to ensure seamless service delivery and successful partner onboardingMonitor and analyze SMS traffic quality and proactively resolve issuesRepresent modulus at major industry events and conferences (e.g., Capacity, GCCM) to strengthen our global network and brand presenceWhy join us?We offer a collaborative, growth-oriented environment where your contributions directly impact our success. If you're passionate about making a difference and being part of a team of like-minded individuals, we encourage you to apply today!BenefitsFlexible hours and hybrid/remote work opportunitiesA collaborative team environment with modern office amenitiesPrivate health and medical insurance for you and your familyMeal vouchers via Up Go for EAT e-cardMental health & well-being support through online platformsFree public transport pass via OASACompetitive salary with career advancement opportunitiesJob requirementsMust haveDegree in Telecommunications, Computer Science, Business, or related fieldExperience in SMS wholesale or A2P SMS business development/account managementSubstantial commercial and negotiation skillsExcellent interpersonal and communication abilities, with a collaborative mindsetHighly organized with a strong attention to detailAbility to thrive in a fast-moving, competitive international environmentWillingness to travel internationally to attend key industry eventsFluency in both Greek and English (written and spoken)Good to have1 year of experience in telecoms, preferably in wholesale Voice/SMSFamiliarity with telecom KPIs and tools for traffic analysisExperience working with international carriers or aggregatorsKnowledge of an extra language is a plus (e.g. Spanish, Arabic, French)