Principal Solution Architect

PiA (People in Action); Fatih; On-site; TRY 600,000 - 900,000; Full time

Benefits offered by this job

Private health insurance

In-company training

Transportation and meal support

Free breakfast and snacks in offices

Job summary

PiA is seeking an experienced Solution/Integration Architect to own end-to-end telecom BSS architecture on the DNext platform. You will connect business, enterprise, and technical architecture, guiding multi-vendor projects across BSS/OSS.

You will drive architecture workshops, define standards, and deliver documentation while partnering with stakeholders and delivery teams in a fast-paced Telecom environment.

Qualifications

• 10+ years in telecom BSS, including 5+ years as solution/integration architect.

Responsibilities

• Own end-to-end BSS solution architecture built on DNext.
• Run stakeholder workshops and manage scope against baseline.
• Identify gaps vs DNext baseline and align with TM Forum best practices.
• Advise on enterprise architecture across BSS, OSS and enterprise systems.
• Prepare solution documentation (BRS, SRS, HLD/LLD, journeys, catalog, process models, integration specs) and build backlog.
• Support delivery teams, triage defects, and report risks and changes to PM.
• Act as design authority: set standards and approve solution documents.

Skills

End-to-end telecom BSS architecture

Solution/integration architecture

TOGAF knowledge

Advisory with senior stakeholders

Cloud, microservices, event-driven

AI tools usage in daily work

Strong communication & negotiation

Turkish & English fluency

Education

Degree in CS or Telecommunications Eng

Equivalent experience

Tools

Apache Kafka

Camunda BPM

Keycloak

Job description

PiA is specialized in delivering custom IT business solutions, professional and managed services especially in Business Support Systems’ domain since its establishment in 2009. Our engineering team growth rapidly and has proven track record of success in delivering BSS integration, customization and complete customer management solutions for several telecom service providers in Turkey and EMEA. In PiA we follow agile development practices, see each team member as key asset and value individual strengths, opinions and ideas in achieving goals.

What Will You Do?

You will own the end-to-end solution architecture of telecom BSS projects built on DNext, our cloud-native, event-driven, TM Forum-compliant BSS suite. You will connect business, enterprise and technical architecture.

• Run stakeholder, scoping and requirement workshops, and hold scope against the agreed baseline.
• Identify gaps against the DNext baseline, recommend TM Forum and industry best practices, and challenge requirements that deviate from them.
• Align solutions with the customer’s enterprise architecture and strategy, and advise on program-level architecture across BSS, OSS and enterprise systems.
• Prepare solution documentation (BRS, SRS, HLD/LLD, journeys, catalog and process models, integration specs), and build the project backlog.
• Support delivery teams and defect triage, and report risks and change requests to the Project Manager.
• Act as design authority: set standards, and review and approve solution documents.

What Do You Need?

• 10+ years in telecom BSS, including 5+ years as a solution or integration architect in customer-facing projects.
• Proven end-to-end architecture experience across BSS domains and their integration with OSS and enterprise systems; working knowledge of TOGAF.
• Advisory experience on multi-vendor programs and with senior stakeholders.
• Deep TM Forum knowledge (eTOM, ODA, TMF Open APIs incl. schema extensions).
• Experience with party, lead-to-order, catalog modelling, and order and fulfillment design.
• Integration design (REST, SOAP, file-based), BPMN, data migration mapping and RBAC design.
• Architectural understanding of cloud, microservices and event-driven design.
• Hands-on use of AI tools in daily work, with the judgment to validate their output.
• Strong communication, negotiation and consensus-building skills.
• Native Turkish and fluent English.
• Degree in Computer Science, Telecommunications Engineering or a related field, or equivalent experience.

Nice to have: TOGAF certification, Apache Kafka, Camunda BPM, Keycloak.

What Do We Offer?

• Private health insurance
• In-company training
• Transportation and meal support
• Free breakfast every morning, and free snacks throughout the day in the offices

Process:

• Firt interview: If your application seems a good fit, we’ll contact you and get the details.
• Technical Interview: Let’s interview. (If your first interview meets expectations.)
• Decision: After your interview, you will get a response within 14 days.

At PiA Group, we believe in the power of diversity and aim to create an inclusiveworkplace where everyone feels valued. As an equal opportunity employer, weevaluate all applicants without discrimination based on race, color, religion,gender, age, national or ethnic origin, sexual orientation, gender identity,marital status, or disability.