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 Senior Enterprise Systems Analyst to lead business engagements and technical process architecture efforts supporting a Tier 1 Telecommunications provider’s large-scale digital transformation. This role is responsible for driving the definition, governance, and delivery of end-to-end BPMN process architecture and artifacts required to modernize core BSS/OSS platforms. The Senior Enterprise Systems Analyst operates at the intersection of business analysis, enterprise architecture, and consulting leadership. This individual sets direction, ensures delivery quality, and serves as a trusted advisor to senior client stakeholders while guiding and mentoring process architecture team members. Key Responsibilities Lead the development of end-to-end business and system process architecture across complex, multi-domain transformation initiatives 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 Define and enforce standards of BPMN process documentation, modelling, and governance across programs and teams 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 10–15 years of professional experience in technical architecture, enterprise analysis, or related consulting roles within complex corporate environments 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 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 they relate to operational and system controls Experience in business development or supporting the growth of a consulting practice What We Offer Strategic focus on the TMT sector and a reputation for solving the industry’s toughest challenges Exposure to high-impact projects in the TMT sector Opportunity for professional growth and advancement Collaborative, entrepreneurial culture where your ideas matter Competitive compensation and benefits