The Opportunity
The Principal Architect – B2B is accountable for defining, governing and evolving the target-state architecture across the organisation's Business, Enterprise, Government and Wholesale telco segments.
Reporting to the Head of Enterprise Architecture, this role ensures the B2B technology landscape:
* Enables scalable, differentiated solutions for complex customer requirements
* Supports rapid solution configuration and reduced time to revenue
* Minimises total cost of ownership (TCO) through platform reuse and rationalisation
* Meets stringent security, compliance and availability requirements (particularly for Government and regulated customers)
* Aligns to enterprise-wide architecture principles, reusable patterns and simplification objectives
The role provides architectural leadership across B2B BSS platforms, service orchestration, partner ecosystems and network integration domains. It leads a team of 8 architects and ensures architectural integrity across delivery teams supporting multiple customer segments.
What you'll do in the role
The key responsibilities of the role are listed below. These may change in response to your personal growth and business demands.
B2B Architecture Strategy & Target State
* Define and maintain the target-state architecture for Business, Enterprise, Government and Wholesale platforms
* Develop a 2–3 year architecture roadmap aligned to revenue growth, solution innovation and operational efficiency objectives
* Establish scalable architecture models that support complex product bundling, multi-site solutions, managed services and wholesale partnerships
* Contribute to enterprise-wide architecture strategy, ensuring B2B needs are reflected in shared platform decisions
People Leadership & Capability Development
* Lead, coach and develop 8 direct-report architects across key B2B domains (e.g. Order Management, Service Orchestration, Billing, Integration, Network Systems, Security)
* Set clear domain ownership and architectural accountability across segments
* Establish consistent design standards and review processes
* Build a high-performing architecture practice with strong commercial and customer awareness
* Drive succession planning and capability uplift across the team
Complex Solution & Service Architecture
* Architect scalable platforms that support bespoke enterprise solutions without excessive customisation
* Ensure architecture supports complex quoting, contracting, provisioning and assurance workflows
* Enable solution configurability while protecting core platform integrity
* Support advanced services such as SD-WAN, cloud connectivity, unified communications, managed security and private networks
Wholesale & Partner Enablement
* Define API-led and event-driven integration models to support wholesale partners and ecosystem integration
* Ensure architecture supports product exposure, partner ordering, provisioning transparency and service assurance integration
* Drive standardised models that simplify onboarding of new wholesale partners
* Identify duplication across B2B platforms and segments
* Promote reuse of enterprise services and shared capabilities where appropriate
* Reduce technical debt and legacy fragmentation, especially where acquisitions have introduced platform diversity
* Provide clear build vs buy vs partner evaluations grounded in long-term economics
Security, Compliance & Resilience
* Ensure architecture meets high security and compliance obligations, especially for Government and critical infrastructure customers
* Embed zero-trust, identity and data protection principles into B2B solution design
* Design for high availability, geographic redundancy and operational resilience
* Ensure auditability and regulatory compliance across enterprise-grade services
Governance & Investment Alignment
* Act as architectural design authority for major B2B transformation programs and large deal initiatives
* Partner with Commercial and Sales Engineering teams to ensure proposed solutions align to strategic architecture
* Participate in Architecture Review Boards and capital investment governance processes
* Prevent excessive customisation that increases long-term operational cost
* Evaluate emerging technologies relevant to B2B telco (e.g. AI-driven network optimisation, automation, advanced analytics, edge computing, private 5G)
* Identify opportunities to improve delivery efficiency and solution differentiation
* Support structured experimentation aligned to enterprise strategy
Stakeholder Engagement & Influence
* Partner closely with B2B Product, Sales, Commercial, Operations and Network leaders
* Act as trusted technical advisor for major enterprise and government opportunities
* Translate complex architectural trade-offs into clear commercial impacts for senior stakeholders
What you'll bring to the role
* Significant experience in telecommunications with deep exposure to Enterprise, Government and/or Wholesale environments
* Strong knowledge of OSS/BSS platforms supporting complex contracts, managed services and multi-site solutions
* Experience supporting high-value, low-volume and high-complexity customer environments
Architecture & Technical Leadership
* Proven experience leading architecture teams in complex enterprise environments
* Deep understanding of API-led, service-oriented and event-driven architectures
* Experience with service orchestration, order lifecycle management and integration with network domains
* Strong familiarity with cloud-native and hybrid architectures
Security & Compliance Expertise
* Strong understanding of enterprise security, zero-trust principles and regulated customer obligations
* Experience designing high-availability, geographically resilient systems
* Familiarity with critical infrastructure protection and data sovereignty considerations
Commercial & Strategic Acumen
* Strong understanding of B2B revenue drivers (large deals, managed services margins, SLA obligations)
* Ability to balance bespoke enterprise solutioning with platform standardisation
* Demonstrated ability to reduce TCO while enabling revenue growth
Leadership & Influence
* Proven people leadership capability across multiple architecture domains
* Ability to influence senior business, sales and technology leaders
* Experience operating in federated delivery environments
* Strong executive communication and decision-making capability
Personal Attributes
* Strategic thinker with enterprise-wide perspective
* Commercially pragmatic and customer-oriented
* Strong judgement and ability to manage architectural risk
* Decisive, collaborative and accountable
What We Offer
* Diverse and dynamic teams with a supportive and inclusive culture.
* Supportive career development plans with comprehensive ongoing training, support, and development opportunities.
* Flexible hours and a hybrid working environment
* Generous discounts on power, gas, mobile and internet; plus, discounts to over 400 retailers.
* Competitive leave options, including anniversary leave, purchased leave, parental leave, volunteering leave, study leave, and 5 extra days of Vocus leave each year, plus more.
* Study assistance programs to excel your personal growth, learning and development.
* Health and wellness offerings, including access to our wellbeing initiatives that can help you from a financial, psychological, and physical perspective.
We are a proud equal opportunity employer committed to providing a safe, diverse, and inclusive working environment where all our team members feel like they belong. We know diversity makes us stronger and we encourage applications irrespective of background, age, origin, gender, sexual orientation, identity, or ability.
If you feel comfortable, please let us know if you have any accessibility requirements upon application, so we can make any adjustments required to support you throughout our recruitment process.
#J-18808-Ljbffr