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Jobs at OneByZero (Now Hiring) — 7 open

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Portfolio Manager

Singapore · On-site

Senior+

About OnebyZero OnebyZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI…

Skills: Portfolio Management, Client Relationship Management, Commercial Governance, Executive Stakeholder Management, Delivery Leadership

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UI Engineer

Bengaluru, Karnataka, India · On-site

Senior

About OnebyZero OnebyZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI…

Skills: Next.js, Zustand, Redux, Apollo Client, tRPC

OneByZero logoOneByZero

Engagement Manager

Singapore, Singapore · On-site

Senior+

About OnebyZero OnebyZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI…

Skills: Client Leadership, Stakeholder Management, Account P&L Ownership, Delivery Governance, GenAI

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Shared Services Manager – HR Ops & Travel

Hà Nội, Vietnam · On-site

Senior+

About OnebyZero OnebyZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI…

Skills: Travel Management, Expense Management, HR Operations, Payroll Administration, Vendor Negotiation

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Account Partner

Bangkok, Thailand · On-site

Senior+

About OnebyZero OnebyZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI…

Skills: Strategic Account Leadership, P&L Management, C-suite Relationship Building, Financial Services Domain Expertise, Telecom Domain Expertise

OneByZero logoOneByZero

Strategist

Singapore, Singapore · On-site

Senior+

About OnebyZero OnebyZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI…

Skills: Pre-sales Solutioning, Client Facing, Engagement Leadership, Proof Of Concept Development, RFI/RFP Management

OneByZero logoOneByZero

Sr. Software Engineer I - Backend

Singapore, Singapore · On-site

Senior

About OnebyZero OnebyZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI…

Skills: Python, TypeScript, AWS, Backend System Design, API Development

OneByZero logo

Portfolio Manager

OneByZero

Singapore • On-site

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Senior+

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  • Full-time
  • Competitive Compensation, Large-scale Enterprise AI and Cloud Transformation Programmes, Exposure to Strategic Enterprise Clients across APAC, Access to Frontier AI Tooling, AWS Ecosystem Programmes, Regional Delivery Leadership
  • Posted 17d ago
  • ~40 hrs/week

Responsibilities

The Portfolio Manager is responsible for managing a portfolio of strategic enterprise accounts and programs in partnership with AWS Professional Services. This includes overseeing delivery health, managing executive stakeholder relationships, and ensuring commercial and contractual governance.

Requirements

Requires over 10 years of experience in enterprise technology delivery or consulting, with a proven track record of managing large accounts in regulated industries. Candidates should have strong expertise in SOW management, cloud transformation, and executive-level communication.

Full job description

About OnebyZero

OnebyZero is a next-generation Data and AI consulting company, headquartered in Singapore and driving impact across APAC. As an AWS-exclusive partner, we help enterprises modernize data, transform with AI, and apply Generative AI in ways that deliver real business results.

Our vision is simple while at the same time ambitious: to make AI adoption both impactful and human-centered. We collaborate with leading enterprises in banking, telecommunications, retail, and other industries to help them unlock tangible value from their data and AI initiatives. By combining deep industry expertise, trusted partnerships, and a relentless focus on outcomes, OnebyZero empowers organizations to go beyond pilots and achieve lasting, scaled impact

About the Role


The Portfolio Manager is the client-facing delivery owner responsible for managing a portfolio of strategic accounts and programmes where OBZ partners with AWS Professional Services to go to market.

This role sits at the intersection of delivery leadership, client relationship management, commercial governance, and executive escalation handling.

You will act as the bridge between the client, client stakeholders, AWS Professional Services, and OBZ delivery teams to ensure programmes are delivered successfully, commercially governed correctly, and escalations are resolved proactively.

What You'll Do

Portfolio & Delivery Management

  • Own and manage a portfolio of strategic enterprise programmes across AWS PS and OBZ engagements.
  • Ensure successful execution, governance, and delivery outcomes across multiple concurrent projects.
  • Track delivery health, programme risks, dependencies, milestones, escalations, and commercial status across the portfolio.
  • Drive governance cadence including SteerCos, executive reviews, RAID management, status reporting, and delivery reviews.
  • Ensure delivery teams maintain quality, timelines, documentation, and operational discipline.

Client & Executive Stakeholder Management

  • Build and maintain strong relationships with client executives including CIOs, CTOs, CDOs, Heads of Engineering, and programme sponsors.
  • Serve as the senior escalation point for delivery, commercial, and operational issues.
  • Handle sensitive client conversations with professionalism and commercial maturity.
  • Maintain executive visibility and confidence during programme execution.
  • Report weekly status and progress to senior OBZ and AWS ProServe leadership.
  • Act as the bridge between client stakeholders, AWS teams, and OBZ delivery leadership.

Commercial & Contractual Governance

  • Own governance of SOWs, scope management, contractual alignment, and delivery obligations.
  • Ensure programmes are operating within agreed commercials, timelines, and contractual commitments.
  • Drive change requests, scope discussions, and commercial alignment proactively.
  • Partner with finance and account teams on invoicing, forecasting, collections, and revenue tracking.
  • Identify delivery or commercial risks early and drive mitigation plans.

Escalation & Risk Management

  • Lead resolution of critical delivery escalations and client concerns.
  • Coordinate across internal and external stakeholders to unblock delivery issues quickly.
  • Ensure risks are surfaced early with clear ownership and mitigation plans.
  • Protect client trust while maintaining delivery and commercial integrity.

Cross-functional Leadership

  • Work closely with delivery managers, architects, engineers, programme managers, AWS stakeholders, and leadership teams.
  • Provide delivery oversight and strategic direction across multiple squads and programmes.
  • Mentor delivery managers and junior programme leaders on governance, stakeholder handling, and commercial discipline.
  • Drive operational excellence and reusable delivery practices across the organisation.

Business Growth & Account Expansion

  • Support account growth through strong client relationships and successful programme execution.
  • Identify adjacent opportunities within existing accounts.
  • Collaborate with account and sales teams on renewals, expansions, and strategic pursuits.
  • Contribute to proposal reviews, delivery planning, and solution governance for new engagements


Requirements

What We Are Looking For

  • 10+ years of experience in enterprise technology delivery, consulting, systems integration, or programme management.
  • Proven experience managing large enterprise accounts or portfolios across multiple concurrent projects.
  • Strong executive stakeholder management and escalation handling experience.
  • Experience managing enterprise clients in banking, telecom, retail, insurance, or regulated industries.
  • Strong understanding of delivery governance, programme management, and enterprise delivery models.
  • Experience handling SOWs, scope management, contractual governance, and commercial discussions.
  • Strong communication and client-facing leadership skills.
  • Ability to operate in high-pressure enterprise environments while maintaining delivery confidence and stakeholder trust.
  • Strong understanding of cloud transformation, enterprise platforms, AI/data programmes, or digital transformation initiatives.
  • Experience working with AWS ecosystem engagements or hyperscaler-led programmes is highly preferred.

Preferred Experience

  • Experience managing programmes involving AWS Professional Services and partner ecosystems.
  • Understanding of AI transformation, data modernisation, or cloud migration programmes.
  • Familiarity with delivery governance frameworks, PMO structures, and enterprise operating models.
  • Experience working across geographically distributed teams and multi-country delivery environments.
  • Exposure to enterprise commercial models, managed services, and consulting delivery.

What Success Looks Like

  • Client programmes are delivered successfully with strong executive confidence and stakeholder satisfaction.
  • Escalations are managed proactively and resolved effectively.
  • Portfolio delivery health, commercials, and governance remain stable and predictable.
  • SOWs, change requests, and contractual commitments are managed professionally.
  • OBZ is viewed as a trusted strategic partner by client leadership.
  • Delivery teams operate with clarity, discipline, and accountability.
  • Existing accounts continue to expand through delivery excellence and relationship strength.


Benefits

What We Offer

  • Competitive compensation benchmarked to market.
  • Opportunity to work on large-scale enterprise AI and cloud transformation programmes.
  • Exposure to strategic enterprise clients across APAC.
  • Access to frontier AI tooling, AWS ecosystem programmes, and regional delivery leadership.
  • A high-performance environment focused on ownership, accountability, and measurable outcomes.

Why OneByZero

At OBZ, delivery leadership is not project coordination—it is strategic ownership.

The Portfolio Manager role is designed for leaders who can manage complexity, influence executives, drive commercial discipline, and ensure enterprise delivery outcomes at scale.

If you want to operate at the intersection of enterprise transformation, client leadership, and delivery strategy, this role is built for you.



Related keywords

AWSGenerative AICloud MigrationData ModernisationSOWRAID ManagementSteerCoProfessional ServicesEnterprise ArchitectureDigital TransformationAPACBankingTelecommunicationsRetailInsurancePMO

About OneByZero

LinkedInVisit site

AI that means business.

Industry
IT Services and IT Consulting
Company size
51-200 employees
Founded
2023
Headquarters
Singapore, Central Region
LinkedIn followers
6,461

OneByZero (OBZ) is an AWS-exclusive AI frontier firm that transforms large-scale enterprises into AI-native organizations. While others experiment with GenAI, we deploy AI Co-workers, reliable, governed, and scalable agentic systems that run on our proprietary GenAI Factory. From telco-scale CVM to banking-grade data modernization, OBZ is the partner for leaders who demand production-grade results, not just prototypes.

Offices: 60 Paya Lebar Road, Singapore, Central Region 409051, SG

Digital TransformationData & AnalyticsTelecommunicationsBanking & InsuranceRetail & EcommerceTechnology ConsultingBusiness StrategyGenerative AIMLChatbot
View all jobs at OneByZero

About OneByZero

LinkedInVisit site

AI that means business.

Industry
IT Services and IT Consulting
Company size
51-200 employees
Founded
2023
Headquarters
Singapore, Central Region
LinkedIn followers
6,461

OneByZero (OBZ) is an AWS-exclusive AI frontier firm that transforms large-scale enterprises into AI-native organizations. While others experiment with GenAI, we deploy AI Co-workers, reliable, governed, and scalable agentic systems that run on our proprietary GenAI Factory. From telco-scale CVM to banking-grade data modernization, OBZ is the partner for leaders who demand production-grade results, not just prototypes.

Offices: 60 Paya Lebar Road, Singapore, Central Region 409051, SG

Digital TransformationData & AnalyticsTelecommunicationsBanking & InsuranceRetail & EcommerceTechnology ConsultingBusiness StrategyGenerative AIMLChatbot
View all jobs at OneByZero

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