Solutions Engineer III

Sinch; Chicago (IL); Remote; USD 100,000 - 138,000; Full time

Benefits offered by this job

Stay healthy

Virtual counseling

401(k) match

Paid time off

Parental leave

Remote-friendly

Volunteer time off

Job summary

Sinch is seeking a senior Solutions Engineer in the US to drive complex customer opportunities with expert SIP/Telephony knowledge and API-driven solutions. You will lead technical engagements, craft scalable designs, and deliver tailored demos for enterprise prospects.

You will collaborate with Product and Engineering, build trusted advisor relationships, and ensure smooth handoffs to Customer Success for implementation. Remote role with hub-location collaboration.

Qualifications

• 5+ years in Sales Engineering or Solutions Engineering.
• BA/BS in Computer Science, IT, Engineering, or related field, or equivalent practical experience.
• Extensive expertise in SIP/Telephony systems, APIs, AI voice/agentic solutioning, CPaaS, and integrating VoIP tech with enterprise platforms.
• Demonstrated ability to build strong customer relationships and lead technical engagements.
• Proven experience in managing complex technical projects and leading technical strategy in sales engagements.
• Excellent verbal and written communication, with strong influence across stakeholders.
• Strong cross-functional collaboration with Sales, Product, Engineering, and Customer Success.
• Desire to work in a fast-paced, dynamic environment.

Responsibilities

• Serve as the go-to expert in SIP trunking for enterprise customers and programmable voice with APIs.
• Lead technical discovery and deal strategy for high-priority opportunities.
• Design scalable, integrated standard and custom solutions with Product and Engineering.
• Deliver high-impact demos and proofs-of-concept that show product value.
• Present complex information clearly to technical and non-technical stakeholders.
• Develop deep, personalized customer relationships to advance business goals.
• Navigate and resolve complex client issues across departments.
• Create reusable solution patterns and internal tools to boost productivity.
• Provide product feedback and feature requests to Product teams.
• Deliver clear technical handoffs to Customer Success for implementation.

Skills

SIP/Telephony

APIs

AI voice solutions

CPaaS

VoIP integration

Stakeholder management

Cross-functional collaboration

Technical leadership

Education

BA/BS in CS/Engineering/IT

Job description

ABOUT SINCH

Sinch is pioneering the way the world communicates. More than 150,000 businesses — including Google, Uber, Paypal, Visa, Tinder, and many others — rely on Sinch’s Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email.

Whether you need to verify users or craft omnichannel campaigns, Sinch makes it easy. Our AI-infused Super Network, APIs, and applications ensure you can connect with your customers reliably and securely, at every step of their journey.

At Sinch we “Dream Big”, “Win Together”, “Keep it simple”, and “Make it Happen”. These values are our foundation!

DESCRIPTION

We are seeking a senior Solutions Engineer who thrives in complex and dynamic environments. This role serves as a senior technical expert in the sales organization, helping drive the success of complex and strategic customer opportunities. This candidate will possess strong technical, analytical, and communication skills, and bring strategic and critical thinking to the team. The ideal candidate is a proactive problem-solver who excels in a collaborative setting, can lead projects effectively, and will serve as a trusted advisor to both prospects and internal stakeholders.

Your Impact & Responsibilities

• Serve as the go-to expert in SIP trunking for enterprise customers, programmable voice with emphasis on agentic/AI solution components, APIs.
• Lead technical discovery and deal strategy for complex, high-priority opportunities to influence successful outcomes.
• Design scalable, integrated standard and custom solutions, collaborating with Product and Engineering on feasibility and risk.
• Deliver high-impact, tailored demos and proof-of-concepts that clearly articulate product value and solve key business or technical needs.
• Present complex information clearly and concisely, ensuring all communications are impactful and support business objectives with both technical and non-technical stakeholders.
• Develop and maintain deep, personalized customer relationships, leveraging them to advance business objectives.
• Navigate and resolve complex client issues, fostering collaboration across departments.
• Create and share reusable solution patterns, internal tools, and technical artifacts that enhance team productivity.
• Provide actionable product feedback and feature requests to Product teams based on customer challenges and roadblocks.
• Deliver clear technical handoffs to Customer Success to ensure implementation readiness and continuity.

REQUIREMENTS

• 5+ years of related experience in Sales Engineering or Solutions Engineering.
• BA/BS degree in Computer Science, IT, Engineering, or a related field, or equivalent practical experience.
• Extensive expertise in SIP/Telephony systems, APIs, AI voice/agentic solutioning, CPaaS, and integrating VoIP technologies with enterprise-level platforms. Messaging/RCS experience and expertise is desired.
• Demonstrated ability to build strong customer relationships, lead technical engagements, and tailor solutions to customer pain points.
• Proven experience in managing complex technical projects and leading technical strategy in sales engagements.
• Exceptional verbal and written communication skills, with a strong ability to influence stakeholders.
• Strong cross-functional collaboration skills, with the ability to partner effectively with Sales, Product, Engineering, and Customer Success.
• Desire to work in a fast-paced, dynamic environment.

This is a remote opportunity, but candidates must reside near one of our hub locations for occasional collaboration: Atlanta, GA; Chicago, IL; San Antonio, TX; Denver, CO

Benefits

• STAY HEALTHY: We offer comprehensive market competitive medical, dental, and vision plans. A variety of supplemental plans are also provided to meet your individual needs including access to telehealth for all participants.
• CARE FOR YOURSELF: Take advantage of our free virtual counseling resources through our global Employee Assistance Program. Your mental health is as important as your physical health.
• SECURE YOUR FUTURE: Plan for your future with our Roth and Pre-tax 401(k) options including an employer match for all participants.
• TAKE A BREAK: Enjoy a generous paid time off program. We value balance and understand that performance at work requires time to rest at home and/or rejuvenate on vacation.
• PUT FAMILY FIRST: We know that families can be built in a variety of ways; therefore, we offer paid parental leave and family planning support.
• WORK WHEREVER: Our flexible remote work offerings allow you to work wherever you are the most productive and successful. It is what you do, not where you work, that matters.
• MAKE AN IMPACT: Support betterment in your community and beyond by taking paid time off to support a volunteer program of your choice.

The annual starting salary for this position is between $100,000 - 138,000. Factors which may affect starting pay within this range may include geography/market, skills, education, experience, and other qualifications. This role will be accepting applications until November 2, 2026 at a minimum. Please note that the application timeline may be flexible to accommodate a comprehensive candidate evaluation.