Lead/Engineer, App & Service Enablement, Mobile Core & Transmission, xCDI

About the role

HTX, Singapore's science and technology agency under the Ministry of Home Affairs, develops ICT infrastructure, communications and cybersecurity solutions for the Home Team. This role sits in Enterprise Communications and Digital Infrastructure (xCDI) and covers application and service enablement, mobile core and transmission, with a focus on Mission Critical Communication Services (MCX) for Home Team Departments.

Key responsibilities

• Manage end-to-end application development, including security, for MCX services, from interpreting user requirements and writing technical specifications to implementation.
• Develop Communications-as-a-Service (CaaS) based on 5G design, security, Service Orchestration, NFV, Network Slicing and Android API skills.
• Plan near- and long-term architecture evolution and new capability needs for Applications Enablement.
• Present complex technical designs clearly to non-technical stakeholders and integrate solutions across different platforms.
• Ensure systems meet contractual availability and life-cycle cost requirements, and work with the Day 2 team on resilient design, automated recovery and scaling.
• Take part in acceptance tests (UAT, FAT, OSAT, SSAT) and initial configuration management, and keep delivered hardware and software supported with proper versioning.
• Manage vendor fault resolution, run regression testing after software fixes, and perform system upgrades.
• Keep projects on schedule and budget, identify risks early, and report milestones, issues and expenditure to management.
• Engage stakeholders and work with external agencies and Home Team Departments.

Required profile

• Minimum Bachelor's degree in Electrical or Electronics Engineering, Computer Science, Information Systems or a related field.
• At least 3 years of experience as an Engineer or Lead Engineer in an enterprise environment.
• Experience or training in 4G/5G telecommunications is preferred; knowledge of cloud telecommunications and service orchestration is an advantage.
• Competent, self-motivated and able to work independently; new hires start on a two-year contract with possible permanent tenure later.

Required skills

• Preferred: 4G/5G, 3GPP/ETSI standards, Android smartphone systems design, wireless design.
• Preferred: stakeholder engagement, project deployment and planning.