We are looking for a Telecom Engineer to support and operate SMS Firewall platforms across the LATAM and CIS markets. The role focuses on ensuring the availability, stability, and performance of SMS Firewall services, detecting and preventing fraudulent and unauthorized messaging activities, and providing technical support and troubleshooting in a 24/7 operational environment.
Who We Are
GMS is the AI-driven communications solutions partner for Mobile Network Operators and Enterprises globally. Our vision is to become the leading creator of value in the communication world. Together with our clients, we identify growth opportunities and co-create secure, engaging AI-driven communications solutions that build trust between brands and their audiences, enabling next-generation customer experiences. We are the strategic partner of choice, ready to greenlight tomorrow.
What Will You Do
- Provide 24/7 on-call operational support and maintenance for SMS Firewall platforms, ensuring service availability, stability, and performance.
- Implement, configure, and maintain SMS Firewall rules and policies to detect, identify, and block grey routes, fraudulent traffic, and other unauthorized messaging activities.
- Provide L1 technical support and troubleshooting for SMS Firewall-related incidents, alarms, and service issues.
- Develop and maintain automation scripts using Bash and other scripting or programming languages to improve operational efficiency and reduce manual activities.
- Prepare and distribute daily SMS Firewall operational reports covering traffic trends, blocked and allowed traffic, incidents, and key performance indicators.
- Monitor and analyze SMS traffic statistics and trends to identify anomalies, potential fraud, routing issues, and service-impacting conditions.
- Analyze High-Level Design (HLD) and Low-Level Design (LLD) documents to understand SMS Firewall architecture, network topology, configurations, and deployments across different MNO environments.
- Handle and resolve customer complaint tickets assigned by the NOC team, ensuring timely investigation, troubleshooting, and resolution in line with operational procedures and SLAs.
- Collaborate with L2/L3 support, engineering, and vendor teams to investigate and resolve major and critical SMS Firewall incidents.
- Participate in incident escalation, root cause analysis, and service restoration activities for major or critical issues affecting SMS traffic and Firewall services.
What We Expect
- 2+ years of experience as an Engineer in a Telecom Operator, Telecom Vendor, or SMS Firewall environment.
- University degree in Telecommunications, IT, or a related field.
- Strong knowledge of SMS Firewall concepts and understanding of SMS protocols, including SS7 and SMPP.
- Experience with scripting languages such as Bash and Python.
- Proficiency in Linux systems and CLI commands.
- Knowledge of REGEX.
- Experience in troubleshooting and resolving technical incidents in a fast-paced operational environment.
- Ability to manage multiple customers simultaneously while maintaining a high level of service quality.
- Strong analytical and problem-solving skills.
- English – upper-intermediate level or above.
- Spanish – fluent (mandatory).
What We Offer
- Multicultural & dynamic environment in fast-growing worldwide business.
- One-of-a-kind company culture – a mixture of open mindset, high dedication, striving for success, and team spirit.
- Professional team that is committed and stands for the highest standards of performance.
- Our values – Integrity, Agility, and Commitment – are vivid in day-to-day company activities.
- Customer-oriented culture with high respect for both internal and external customers.
- Competitive salary and bonus system.
Join GMS
Fill the form below or send your CV and cover letter to jobs@gms.net.
We are looking forward to receiving your submission.
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