About Aeris Communications Inc.

For more than three decades, Aeris has been a trusted cellular IoT leader enabling the biggest IoT programs and opportunities across Automotive, Utilities and Energy, Fleet Management and Logistics, Medical Devices, and Manufacturing. Our IoT technology expertise serves a global ecosystem of 7,000 enterprise customers and 30 mobile network operator partners, and 90 million IoT devices across the world. Aeris powers today’s connected smart world with innovative technologies and borderless connectivity that simplify management, enhance security, optimize performance, and drive growth.

As an L2 CS/VAS Engineer, you will play a critical role in managing and supporting IOTA Core CS networks, troubleshooting complex issues, and ensuring seamless integration of new services for global customers. You will collaborate with cross-functional teams, provide advanced technical support, and contribute to process improvements to deliver high-quality services within agreed SLAs. Your work will directly impact customer satisfaction and service excellence.

Key Responsibilities

• Manage the IOTA Core CS networks ensuring high availability and performance.
• Troubleshoot and resolve issues on Core CS nodes including HLR/HLR-FW, HSS/HSS-FE, CUDB, STP, DEA/DSC/DRA.
• Troubleshoot and resolve issues on VAS nodes including: SMSC, Location Based Services,
• Provide technical support to sales, marketing, project managers, and customers, including pre-sales activities and supervision of core network implementations.
• Develop, manage, and implement automation scripts to streamline operations.
• Verify and support configuration change implementations.
• Analyze risk and assess impact of new service integrations or design changes.
• Coordinate with L1 support, Engineering, and other teams to resolve complex technical issues.
• Deliver remote support and troubleshooting for integration engineers, customers, and third-party partners.
• Create, review, and update processes and procedures for new configurations or common issue fixes.
• Actively participate in problem management processes when required.
• Provide 24x7 on-call support, when needed, to assist the L1 team.
• Coordinate, support, and execute proactive and reactive maintenance activities to ensure service quality within SLAs.
• Prepare and deliver KPI reports and dashboards to track performance.

Minimum Requirements

• Bachelor’s degree in Telecommunications, Computer Information Systems, or related field.
• 3 to 5 years of experience in the Telecom Core Network domain.
• Solid knowledge of mobile telecom networks and signaling.
• Good understanding of IP networking principles (experience in IP networking is a plus).
• Proven hands-on experience and strong understanding of at least one of the following technical areas (multiple areas strongly preferred):
• • Core CS: MSC/MSC Server, STP, HLR/HLR-FE, CUDB, HSS/HSS-FE, DEA/DRA/DSC, APG 43/43L, IMS, Protocol Analyzer, SS7, SIGTRAN, Diameter, SIP, VoLTE, CCDM, 5G Core.
  • VAS: SMSC, SMPP, SMS over SGd/IMS, Location Based Services (3G & 4G).
  • Tools: OSIX
• Experience with Ericsson products (STP, HLR/HLR-FE, CUDB, HSS/HSS-FE, DEA/DRA/DSC) is a plus.
• Good knowledge of Linux; Google Cloud, OpenStack, and Kubernetes experience is a plus.
• Scripting skills (Python, Bash) are a plus.
• Availability for on-call rotations.
• Proficiency in English.
• Demonstrated knowledge and experience with AI tools and technologies, with a commitment to leveraging artificial intelligence to drive innovation, enhance security, and optimize performance in IoT solutions

Preferred Skills

• Quick reaction times with strong problem-solving capabilities.
• Excellent communication and collaboration skills in multicultural teams.
• Perseverance and strong documentation skills.
• Practical mindset with a focus on advising, helping, and developing others.
• Tact, diplomacy, ambition, and self-confidence.
• Strong analytical and technical thinking abilities.