Engagement Lead - Senior Enterprise Systems Analyst

Cartesian•Ma, MA

About The Position

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.

Requirements

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

Nice To Haves

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

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.