Engagement Lead - Senior Enterprise Systems Analyst

About Cartesian

Cartesian is a specialist consulting firm with over 35 years of experience serving the global telecommunications, media, and technology (TMT) sectors. We partner with clients worldwide to design and implement practical strategies, data-driven transformations, and technology solutions that drive growth and operational efficiency. Our expertise spans analytics, strategy, technical services, content security, and management consulting.
Role Overview

Cartesian is seeking a Lead Enterprise Business Process Architect to serve as the technical lead for business process architecture supporting a Tier 1 Telecommunications provider's large-scale digital transformation. This is a highly hands-on role focused on analyzing complex business and technical artifacts, developing enterprise-level BPMN process models, and ensuring the quality and consistency of process architecture across the program. In addition to creating business process models, this individual will mentor junior analysts, review BPMN deliverables, establish modeling standards, and provide technical guidance while partnering with client stakeholders to ensure successful project delivery.

Key Responsibilities

- Develop end-to-end BPMN business process models across complex enterprise transformation initiatives.

- Review team BPMN deliverables for accuracy and adherence to standards,

- Coach, and mentor junior analysts on BPMN standards, modeling techniques, and process documentation quality.

- Analyze and synthesize business, technical, and architectural artifacts into coherent enterprise-level process and system flows

- Perform hands-on analysis of system artifacts, integrations, and service interactions, to define how systems communicate and exchange data across the enterprise.

- Serve as the primary point of contact for client leadership; facilitate high-level workshops to drive strategic alignment and formal sign-off

- Oversee the creation and review of Application Context Diagrams (ACDs), System Interface Diagrams, and Business Process Models

- Oversee team members, project timelines, resource allocation, and deliverables for the process architecture workstream to ensure on-time, high-quality delivery.

What You'll Bring

Required Qualifications

- 10+ years of experience as a Senior Business System Analyst, Business Process Architect, or similar role within complex enterprise environments.

- Expert-level experience developing BPMN process models for large-scale enterprise transformation initiatives.

- Deep experience leading process architecture efforts for large-scale enterprise systems or digital transformation initiatives

- Strong technical judgment, decision-making, and prioritization skills

- Strong leadership skills with proven experience coaching and mentoring teams on business process modelling and the creation of flow diagrams, with a strong emphasis on BPMN

- Proven ability to lead cross-functional teams and complex client engagements in ambiguous, fast-paced environments

- Strong consulting background with the ability to lead client engagements and influence senior stakeholders

- Excellent communication skills, with the ability to translate complex technical and business concepts into clear, actionable guidance

- Expertise in developing and reviewing ACDs, system interface diagrams, and end-to-end process models

- Strong judgment, decision-making, and prioritization skills Excellent communication skills with the ability to present process models and technical concepts to business and technical stakeholders.

- Experience working in consulting or client-facing environments.

Preferred Qualifications

- Familiarity with SOX and/or operational controls within technical and business processes

- Telecommunications industry experience, particularly within BSS/OSS environments

- Experience supporting Tier 1 service providers or similarly complex enterprises

- Working knowledge of finance and accounting principles as