Job Title: A2P SMS Technical Engineer
Location: India (Hybrid)
Job Type: Full-Time
Department: Engineering
Reports To: CTO
About Us:
HookZ.ai is a leading provider of UCaaS, CCaaS &
CPaaS. HookZ Connect, our CPaaS portfolio covers A2P (Application-to-Person)
SMS, RCS and WhatsApp Business API solutions for global businesses. We enable
enterprises to communicate with their customers via SMS, ensuring real-time,
reliable, and scalable messaging experiences. We are looking to expand our
engineering team with a talented A2P SMS Technical Engineer who thrives in a
fast-paced environment.
Job Description
We are seeking an experienced and results-driven A2P
SMS Technical Engineer to join our team. This role will involve managing and
optimizing A2P SMS routes, handling carrier onboarding, troubleshooting issues,
and ensuring the seamless functioning of the SMS platform. The ideal candidate
will have a strong understanding of SMS platforms, carrier routing, SMPP over
TLS, LCR routing, Sender ID management, and platform configuration.
Key Responsibilities:
• Carrier Routing & Onboarding: Manage carrier
relationships and ensure seamless A2P SMS traffic routing, including testing,
monitoring, and optimization.
• SMPP Over TLS: Configure and manage SMPP
connections over TLS for secure SMS exchanges.
• Platform Configuration & Troubleshooting:
Handle platform configurations, monitor SMS traffic, and troubleshoot technical
issues related to SMS delivery and platform performance.
• LCR Routing: Implement and maintain Least-Cost
Routing (LCR) strategies to ensure cost-effective and efficient message
delivery.
• Sender ID Management: Oversee the setup and
management of sender IDs, ensuring compliance with regulatory requirements and
industry standards.
• Technical Support: Provide escalation support for
internal and external stakeholders, resolving SMS-related issues with
promptness and technical expertise.
• Monitoring & Reporting: Regularly monitor SMS
traffic, delivery success rates, and key performance indicators (KPIs). Provide
actionable insights and recommendations to improve service quality and
operational efficiency.
• Documentation: Maintain detailed documentation of
configurations, troubleshooting processes, and best practices for internal
teams and clients.
Key Skills & Qualifications:
• Experience with A2P SMS Platforms: Hands-on
experience in managing A2P SMS traffic, including routing, platform setup, and
performance optimization.
• Carrier Routing & Onboarding: Proven experience
in onboarding new carriers, configuring and managing carrier routing for A2P
traffic.
• SMPP Over TLS: In-depth knowledge of SMPP protocol
and experience with configuring secure SMPP over TLS.
• LCR Routing: Experience in implementing and
managing LCR strategies for cost-efficient message routing.
• Sender ID Management: Expertise in managing sender
IDs, understanding regulatory compliance, and preventing issues related to
sender ID fraud or misuse.
• Troubleshooting & Technical Support: Strong
troubleshooting skills, with the ability to diagnose, resolve, and escalate
issues quickly.
• Communication Skills: Excellent communication
skills to collaborate with internal teams and provide clear explanations to
clients or partners.
• Education: A degree in Computer Science,
Engineering, or a related technical field is preferred, but not mandatory with
relevant experience.
Nice to Have:
• Experience with SMS Gateways: Familiarity with
leading SMS gateway solutions (e.g., Twilio, Nexmo, Sinch, etc.).
• Knowledge of Regulatory Compliance: Understanding
of A2P SMS regulations across different regions (e.g., US, EU, Asia, etc.).
• Familiarity with APIs: Knowledge of API integration
and management for SMS services.
Why Join Us?
• Competitive salary and benefits package
• Dynamic work environment with opportunities for
growth and career advancement
• Hybrid work setup in Yerevan, Armenia, combining
remote flexibility with in-office collaboration
• Be part of a forward-thinking team, working with
cutting-edge A2P SMS technologies
• Opportunity to make a real impact in a high-growth
sector
How to Apply:
Please send your resume and a cover letter
highlighting your relevant experience and skills to