About OneByZero
OneByZero is a Frontier Systems Integrator building agentic AI systems for leading banks, telecommunications companies, insurers, and retailers across Asia Pacific.
We work on high-impact problems for institutions operating the financial and digital infrastructure of the region.
We operate exclusively on AWS and leverage partnership programmes that provide co-sell reach, funded innovation opportunities, and delivery credibility across multiple markets. We value individuals who are technically capable, collaborative, commercially aware, and focused on delivering measurable business outcomes.
The Role
The Principal Engagement Manager holds portfolio-level accountability for OBZ's most strategic client relationships, overseeing delivery governance, commercial performance, and account growth across multiple enterprise accounts. This role operates as a senior trusted advisor to client and OBZ executive leadership, shaping long-term account strategy, driving large-scale AI transformation outcomes, and strengthening OBZ's delivery capability across the region.
The Principal Engagement Manager is expected to set the standard for delivery excellence, commercial discipline, and executive engagement across the practice, while developing the next generation of delivery leaders.
At OBZ, all team members are expected to use AI tools effectively in their daily work. AI assistants and workflow automation platforms are expected to improve portfolio-level governance, commercial analysis, reporting, executive stakeholder preparation, and delivery execution.
What You Will Do
- Hold portfolio-level accountability for delivery governance, commercial performance, and account growth across multiple strategic client engagements.
- Oversee forecasting, invoicing, collections, realised margins, and financial performance across a portfolio of accounts.
- Set commercial strategy for SOW negotiations, large-scale change requests, and complex delivery governance processes.
- Guide bottoms-up delivery estimation practices across squads and ensure commitments remain operationally achievable at scale.
- Establish and oversee programme governance standards including milestone tracking, RAID management, executive reporting, and escalation frameworks across accounts.
- Build and maintain executive relationships with client leadership including CDOs, CTOs, CIOs, COOs, CEOs, and transformation leaders.
- Serve as a senior trusted advisor to client executives, shaping enterprise AI transformation strategy and long-term transformation roadmaps.
- Drive strategic account growth by identifying new opportunities, shaping multi-year account strategies, and expanding OBZ's footprint within client organisations.
- Provide leadership and direction to Senior Engagement Managers, Engagement Managers, and cross-functional delivery squads across the portfolio.
- Champion delivery excellence, accountability, and reusable intellectual property creation across all managed accounts.
- Mentor and develop Senior Engagement Managers and Engagement Managers, strengthening delivery leadership capability across the practice.
- Own client satisfaction and executive relationship health across the portfolio, intervening proactively on complex or escalated matters.
- Shape OBZ's pre-sales strategy for major pursuits, including commercial structuring, solution strategy, and executive-level proposal reviews.
- Lead the evolution of OBZ's delivery governance frameworks, commercial models, and operational methodologies across the practice.
What We Are Looking For
- 14-25 years of experience in consulting, systems integration, enterprise technology services, or AI transformation delivery environments.
- At least 8 years of direct account-level or portfolio-level commercial ownership and delivery governance leadership.
- Proven track record managing multiple enterprise-scale client engagements across BFSI, telecommunications, insurance, or other regulated industries.
- Demonstrated success negotiating complex SOWs, change orders, and commercial agreements at executive level.
- Deep understanding of enterprise AI transformation engagements, agentic AI systems, AWS-based delivery environments, and operational AI adoption at scale.
- Strong track record engaging C-suite stakeholders and shaping enterprise-wide transformation strategy.
- Advanced commercial acumen across pricing models, portfolio forecasting, margin optimisation, and multi-account profitability.
- Experience leading multiple concurrent multi-squad delivery programmes across the full engagement lifecycle.
- Deep expertise in programme governance frameworks, executive reporting, escalation handling, and enterprise risk management.
- Strong technical fluency across enterprise systems, integrations, data pipelines, and AI-enabled delivery environments.
- Demonstrated leadership capability, having developed senior delivery leaders and shaped organisational delivery capability.
What Sets You Apart
- You use AI tools strategically to elevate governance, commercial analysis, and executive engagement across a portfolio of accounts.
- You have led strategic enterprise account portfolios with clear commercial and delivery accountability at scale.
- You balance executive relationship management, delivery excellence, and commercial discipline across multiple engagements simultaneously.
- You have a track record of shaping and closing significant account expansions and complex commercial negotiations.
- You are recognised as a senior delivery leader who develops talent and elevates delivery maturity across an organisation.
Travel and Location
OBZ clients are based across Southeast Asia, ANZ, and Japan. This role may require travel across multiple markets to support portfolio-level client relationships and major engagements. Relocation support may be provided based on business requirements.
What Success Looks Like
- The portfolio of accounts managed expands consistently with measurable business outcomes and strong executive relationships.
- Delivery governance and commercial discipline remain consistently strong across all managed engagements.
- Realised margins align closely with sold margins across the portfolio through effective operational and commercial management.
- Client engagements generate durable strategic partnerships, reusable references, and case studies.
- Senior Engagement Managers and Engagement Managers within the portfolio operate with strong accountability and growing capability.
- The portfolio contributes significantly to OBZ's growth, market credibility, and delivery reputation.
Language
Fluency in spoken and written English is required across all markets. Strong communication skills are essential for working with client stakeholders, delivery teams, and leadership across multiple regions. Local language proficiency is considered an advantage, particularly in Japan, Vietnam, Thailand, and the Philippines.
Certifications
AWS Certified Cloud Practitioner and AWS Certified AI Practitioner certifications are expected. Familiarity with AWS services relevant to AI transformation, data modernisation, and cloud migration programmes is required at a conceptual level. AWS Partner certifications related to delivery, co-sell, and partner programmes are expected.
What We Offer
Competitive compensation aligned to market standards. Opportunities to lead a portfolio of enterprise-scale AI transformation programmes across Asia Pacific. Exposure to advanced AI tooling, AWS partnership ecosystems, strategic enterprise accounts, and senior delivery leadership responsibility across the region. OneByZero is an equal opportunity employer committed to building a diverse and inclusive workplace.
Why OneByZero
The enterprise accounts OBZ supports represent some of the most complex AI transformation programmes in regulated industries across Asia Pacific. The Principal Engagement Manager role combines portfolio-level commercial accountability, senior delivery leadership, and AI transformation expertise, shaping how OBZ engages its most strategic clients across the region.