IoT Optimization Engineer

Location: Riyadh, KSA
Notice Period: Only Immediate joiners OR not longer than 30 days’ Notice Period.

Job Description

The IoT Optimization Engineer is responsible for ensuring end-to-end performance, reliability, and service quality of IoT connectivity services within a telecom operator environment. This role owns the full IoT service lifecycle, from solution design validation and onboarding to live network optimization, troubleshooting, and large-scale deployment support. The position requires deep hands-on expertise across IoT devices, cellular access networks, mobile core, IP connectivity, and IoT platforms, with a strong focus on root cause analysis, service assurance, and continuous optimization for enterprise and industrial IoT customers.

Key Responsibilities

• Own end-to-end IoT service performance and optimization across:
  • IoT devices
  • Cellular access networks
  • Mobile core and IP transport
  • IoT platforms and enterprise applications
• Review, validate, and optimize IoT solution designs during onboarding and service introduction.
• Perform E2E connectivity troubleshooting across:
  • 2G / 3G / 4G / 5G
  • NB-IoT and LTE-M
• Configure, provision, and assure IoT services, including:
  • SIM and eSIM lifecycle management
  • APN and service profiles
  • IP addressing, routing, NAT, and VPN connectivity
• Conduct deep, hands-on troubleshooting of:
  • Device attach and session establishment failures
  • Intermittent connectivity issues
  • Latency, packet loss, and throughput degradation
  • Power consumption and device behavior anomalies
• Perform structured root cause analysis (RCA) and drive corrective and preventive actions.
• Work closely with:
  • Device and chipset vendors
  • IoT platform providers
  • Internal network, IT, and operations teams
  • Enterprise and industrial customers
• Support pre-sales activities, technical workshops, pilots, and proof-of-concepts.
• Provide operational support for large-scale IoT rollouts and service expansions.

Technical Skills & Expertise (Required hands-on expertise in):

• IoT architectures and design patterns, including E2E service flows.
• Device transmission and communication stacks:
  • PHY, MAC
  • IP, TCP/UDP
  • Application-layer protocols
• IoT protocols:
  • MQTT
  • CoAP
  • HTTP
  • LwM2M
• Cellular IoT technologies:
  • NB-IoT
  • LTE-M
  • GSM / LTE / 5G
• Mobile core network concepts:
  • SGW, PGW, UPF
  • HLR, HSS, UDM
  • PCRF, PCF
• IP networking fundamentals:
  • Routing, NAT, VPNs
  • Private and public IP addressing
• Network troubleshooting and packet analysis tools.
• IoT platforms and service enablement platforms (connectivity management, device management).

Device & Hardware Understanding

• Strong understanding of IoT devices and hardware, including:
  • Chipsets and modem behavior
  • Firmware and software stack interactions
  • Power management and battery optimization
  • RF behavior and coverage considerations
• Ability to diagnose and isolate issues at:
  • Device layer
  • Network layer
  • Core and platform layer

Experience & Qualifications

• 5–10 years of experience in IoT, telecom networks, or enterprise connectivity services.
• Strong preference for candidates with telecom operator experience.
• Background in:
  • IoT service operations
  • Network optimization
  • Technical support or solution engineering
• Bachelor’s degree in Engineering (Telecommunications, Electronics, Computer Science) or equivalent practical experience.

Soft Skills

• Strong analytical and problem-solving mindset.
• Ability to work effectively across cross-functional teams.
• Comfortable engaging with customers, vendors, and internal stakeholders.
• Clear and structured communication skills for both technical and non-technical audiences.
• Ability to operate in live network and customer-impacting environments.

Nice-to-Have Skills

• Exposure to cloud-based IoT platforms (AWS IoT, Azure IoT).
• Experience with automation or scripting (Python, Shell).
• Hands-on involvement in large-scale or mission-critical IoT deployments.
• Familiarity with industrial IoT use cases (utilities, smart metering, logistics, smart cities).

Keywords for LinkedIn Search Optimization: IoT Optimization Engineer, Cellular IoT, NB-IoT, LTE-M, IoT Connectivity, Telecom Operator, Mobile Core Networks, IoT Troubleshooting, E2E Connectivity, IoT Platforms, SIM eSIM, APN Configuration, IP Networking, MQTT, LwM2M, Enterprise IoT, Network Optimization, Service Assurance

If you are interested in this opportunity, please send your resume to Career@flint-international.me ensure the position name is included in the subject line.