Domain Architect
Nokia
IT
Singapore
Posted on Nov 26, 2025
As a Domain Architect, you will play a key leadership role in delivering advanced solution consulting across customer projects. You’ll partner closely with customers to understand their business and technical needs, translating them into innovative, high-impact solutions. This role involves designing and implementing complex integration, operations, or performance architectures while actively sharing your expertise to guide and empower others.
About Nokia
Join us in creating the technology that helps the world act together.
We are a B2B technology innovation leader, pioneering networks that sense, think and act™, putting the world’s people, machines and devices in sync to create a more sustainable, productive and accessible future.
About the Business Group
In Cloud and Network Services, as Nokia's growth engine, we create value for communication service providers and enterprise customers by leading the transition to cloud-native software and as-a-service delivery models. Our inclusive team of dreamers, doers and disruptors push the limits from impossible to possible.
Our recruitment process
We act inclusively and respect the uniqueness of people. Our employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.
If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.
The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia.
Some of our benefits:
- Flexible and hybrid working schemes
- A minimum of 90 days of Maternity and Paternity Leave, with the option to return to work within a year following the birth or adoption of a child (based on eligibility)
- Life insurance to all employees to provide peace of mind and financial security
- Well-being programs to support your mental and physical health
- Opportunities to join and receive support from Nokia Employee Resource Groups (NERGs)
- Employee Growth Solutions to support your personalized career & skills development
- Diverse pool of Coaches & Mentors to whom you have easy access
- A learning environment which promotes personal growth and professional development - for your role and beyond
As a Domain Architect, you will play a key leadership role in delivering advanced solution consulting across customer projects. You’ll partner closely with customers to understand their business and technical needs, translating them into innovative, high-impact solutions. This role involves designing and implementing complex integration, operations, or performance architectures while actively sharing your expertise to guide and empower others.
You have:
Advanced level expertise in SDM solution design {SDL,UDM,HLR, HSS, NDS, IMS Nodes, EIR and MNP} over multiple technologies (3G, 4G, 5G, cloud, enterprise)
- Advanced level expertise on GSM/UMTS/LTE Networks NW Architectures Call flows & International standards : 3GPP/ETSI
- Experience in Subscriber Data base migration of SDL, UDM, HLR, HSS, EIR & MNP
- Cloud knowledge (VNF, CNF) & related products (CBIS/CBAM – NCS/NCOM) or platform VMware/OpenStack
- Good experience in Unix/Linux commands
- Ability to lead complex technical programs & solutions
- Experience on networking troubleshooting using tools such as Wireshark
- Ability to work with both technical and management layers at customer
It would be nice if you also had:
- Basic scripting language expertise (Shell script, PERL, Python, Ansible) would be added advantage
- Develop detailed customer SDM core network solution design & architecture and perform technical risk evaluation for overall technical solution.
- Responsible for Requirement analysis , CIQ , High Level Design ( Architecture & Call Flows ) , Low Level Design , Test Strategy preparation , Migration Strategy & Migration Parameter Mapping , Support to Test execution & Acceptance.
- Lead the technical implementation during the delivery phase
- Support Nokia Sales Team for Core Solutions during sales phases:solution design/architecture, effort estimates, scope of work, bill of material, etc. and holding key role in contract negotiations to protect SI value.
- Liaise with other members of the regional team as well as with Product Managers, Project manager and 3rd party product manager to align customer requirements with available generic solutions, Nokia products and 3rd party products
- Customer interface for offered solution design/architecture and verify/adapt it during realization phase.
- Troubleshooting & Interactions with Care/R&D for closure of issues
- Act as a professional advisor and mentor for staff / work team / taskforces