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.

We are seeking a Principal to join our Management Consulting team! In this role, you will drive new business while also delivering high-impact consulting engagements in the telecommunications sector. This is a hybrid sales + delivery role, ideal for someone who thrives on building client relationships, closing deals, and leading complex engagements end-to-end.

You will be a key member of Cartesian’s leadership team, responsible for shaping strategy, delivering value, and driving revenue growth through new and existing accounts.

Key Responsibilities

Lead business development efforts: identify, pursue, and close new consulting engagements with telecommunications clients (target: $1–2M annually) Develop and manage relationships with C-level and VP-level client stakeholders Shape proposals, SOWs, and go-to-market strategies in collaboration with Cartesian leadership Develop thought leadership to position Cartesian as a partner of choice for new and existing clients Lead project delivery: ensure high-quality outcomes, value-based delivery, and high client satisfaction Guide program governance, stakeholder engagement, and financial oversight for active engagements Serve as a trusted advisor to telecommunications clients, offering insights on industry trends and transformation strategies Guide and mentor consulting teams, fostering a culture of excellence and collaboration

Required Qualifications

10+ years of management consulting experience, including 5+ years in the telecommunications sector Proven ability to generate and grow revenue (ideally with targets of $1-$2Mannually) with consulting clients Experience leading large-scale initiatives involving 5G, fiber deployment, OSS/BSS, network transformation, customer experience, or digital enablement in the telecommunication industry Demonstrated ability to both sell and deliver strategic consulting engagements Experience navigating enterprise sales cycles and working within telecommunications client procurement models Strong communication and stakeholder management skills Motivated by revenue goals and delivery ownership Ability to work independently and collaboratively in a fast-paced environment

Preferred Qualifications

MBA or advanced degree Experience with telecom-specific technologies (e.g., OSS/BSS, 5G, AI/ML, cloud platforms) Familiarity with 5G, fiber deployment, or telecom regulatory frameworks Experience with margin-based

Compensation

models Prior experience at a Big Four or boutique consulting firm.

Management Consulting - Principal