Lead Engineer/ Engineer, Transmission & Transport, Mobile Core, xCDI

Home Team Science and Technology Agency (HTX); Singapore; On-site; SGD 110,000 - 170,000; Full time

Job summary

Home Team Science and Technology Agency (HTX) is seeking an experienced Transmission & Transport Architect to design secure end-to-end systems and drive large-scale network projects for the Home Team.

You will gather requirements, write tender documents, manage vendors, plan architecture evolution and lead full project lifecycles from concept to delivery, collaborating with HTX stakeholders and agencies.

Qualifications

• Bachelor/tertiary degree in engineering or information technology.
• Minimum 3 years in a large enterprise environment with telecom focus.
• Strong knowledge of DWDM, MPLS, SD-WAN, NFV/SDN.
• Experience with 5G tech and 3GPP/ETSI standards.
• Security knowledge with QKD and PQC is a plus.
• Vendor networking certifications (CCNP, CCIE) preferred.

Responsibilities

• Design end-to-end transmission/transport systems for HTX needs, ensuring security and long-term sustainability.
• Gather requirements, conduct trials, write tender docs, evaluate tenders, procure, and manage vendors.
• Plan and manage projects for transmission and transport networks including topology, capacity, rollout and performance.
• Plan architectural evolution including technology selection, topology and capacity for new/existing networks.
• Analyze architectural differences and integration across platforms; communicate implications to stakeholders.
• Lead project lifecycle from requirements to tender, procurement, and vendor management.
• Identify and mitigate risks early; escalate critical matters to management when needed.
• Provide regular updates on milestones, issues and expenditure to HTX management.
• Oversee system integration, testing (UAT/FAT/OSAT/SSAT) and ensure deliverables meet specs.
• Ensure proper configuration, change management, and version control; maintain asset docs.
• Monitor vendor performance and system availability; optimize life-cycle costs.
• Engage with stakeholders across agencies and HTDs; perform other duties as assigned.

Skills

Project management

Stakeholder engagement

Problem solving

Independent working

Tech enthusiast

Education

Bachelor's degree in Electrical/Electronic Engineering or related field

Tertiary qualification in Electrical/Electronic Engineering, Computer Science, Information Systems or related engineering fields

Tools

DWDM

MPLS

SD-WAN

NFV/SDN

CCNP

CCIE

Vendor certifications

Job description

What the role is:

HTX is Singapore's Science and Technology agency that brings together diverse scientific and engineering capabilities to develop transformative, operationally ready solutions for public safety. As a statutory board under the Ministry of Home Affairs, HTX works at the forefront of science and technology to empower the Home Team with cutting‑edge capabilities. Guided by our mission to amplify, augment and accelerate the Home Team's advantage, we are committed to keeping Singapore the safest place on planet Earth. Enterprise Communications and Digital Infrastructure (xCDI) architects and delivers transformative enterprise ICT infrastructure, communications and cybersecurity solutions, building on our expertise in:

• Cellular communications
• Networks
• Endpoints
• Sensors

What you will be working on:

• Responsible for end-to-end design (including security) of transmission and transport systems to meet Home Team Departments' (HTDs') operational needs, ensuring long-term sustainability and effectiveness.
• Gather users’ requirements, conduct trials, obtain budget approval, writing tender documents (including requirements and technical specifications), perform tender evaluation, procurement, project management and vendor management.
• Plan and manage projects of new or existing transmission and transport networks, including technology selection, networkbtopology & capacity planning, service rollout and performance improvement etc
• Plan near‑term and long‑term architectural evolution, including technology selection, network topology and capacity planning for new and existing networks.
• Analyse and communicate architectural differences between solution methods, addressing integration challenges across different platforms.
• Lead complete project lifecycle including requirements gathering, trials, budget approvals, tender management (preparation, evaluation, procurement) and vendor management.
• Identify and mitigate project risks early, assess implications, and escalation critical matters to management when necessary.
• Provide regular updates to HTX management on project milestones, issues and expenditure status.
• Oversee system integration, acceptance testing (UAT, FAT, OSAT, SSAT), and regression testing to ensure deliverables meet specifications.
• Ensure proper system configuration, change management, and version control.
• Verify delivered hardware and software support status, maintaining accurate asset documentation.
• Monitor vendor performance in resolving system faults within contractual turnaround time.
• Ensure systems meet contractual availability requirements while optimising life‑cycle cost (LCC) and spare parts management.
• Identify and analyse critical design parameters affecting system performance.
• Monitor and maintain operational requirements compliance within approved budgets.
• Effectively engage with stakeholders, including various agencies and Home Team Departments (HTDs).
• Perform any other duties as assigned by HTX Senior Management or Deputy Director.

What we are looking for:

• Tertiary qualification in Electrical/Electronic Engineering, Computer Science, Information Systems or related engineering fields.
• At least 3 years of relevant experience in a suitably sized enterprise environment.
• Strong technical knowledge of transmission and transport technologies, including Dense Wavelength Division Multiplexing (DWDM), IP/Multiprotocol Label Switching (MPLS), Software-Defined Wide Area Networks (SD-WAN), Service Orchestration and Network Slicing.
• Experience in telecommunications industry, with knowledge of transport technologies (such as DWDM and IP/MPLS).
• Experience in telecommunications industry with 5G technologies preferred, including knowledge of standards such as 3GPP and ETSI.
• Basic knowledge in 5G Network Functions (NFs), NFV and SDN mechanisms.
• Experience in Quantum-Safe Technologies (including Quantum Key Distribution (QKD) and Post-Quantum Cryptography (PQC)), as well as Artificial Intelligence (AI) and automation in transmission networks would be advantageous.
• Preferably relevant disciplines and professional certifications from major telecommunications vendors/suppliers.
• Preference will be given to candidates with project management certifications and professionally recognised networking certifications (such as CCNP, CCIE).
• Strong planning and project management abilities, with demonstrated problem-solving, facilitation and organizational skills.
• Strong interest in technology and innovation.
• Competent, self‑motivated, pro‑active, dedicated and responsible as well as having the ability to work independently without the need for close supervision.All new hires are appointed on a two-year contract in the first instance and will be assessed and considered for permanent tenure over time, based on performance.As part of the shortlisting process for this role, you may be required to complete a medical declaration and/or undergo further assessment.All applicants will be updated on the status of their applications within 4 weeks upon closing of the advertisement.

About Home Team Science and Technology Agency (HTX)

HTX is the world’s first Science and Technology agency that integrates a diverse range of scientific and engineering capabilities to innovate and deliver transformative and operationally-ready solutions for homeland security. As a statutory board of the Ministry of Home Affairs and integral to the Home Team, HTX works at the forefront of science and technology to empower Singapore’s frontline of security. Our shared mission is to amplify, augment and accelerate the Home Team’s advantage and secure Singapore as the safest place on planet earth.