Principal Application Engineer

The role

The Principal Application Engineer serves as the senior technical authority for the Customer Success team in the APAC region. This person provides technical leadership, oversight, and direction to the regional Application Engineering team to ensure sound customer implementations of Litmus products.

What you will do

• Serve as the senior technical authority for Customer Success application engineering in APAC.
• Provide technical direction, guidance, standards adherence, and oversight to Application Engineers.
• Establish technical priorities for the regional team based on customer commitments and business value.
• Assign technical resources and determine engineering support levels for customer engagements.
• Ensure technical solutions support customers' operational and digital transformation objectives.
• Identify implementation dependencies, assumptions, risks, and technical gaps.
• Support Application Engineers during customer meetings.
• Maintain consistency in how Litmus products are designed, configured, deployed, tested, and supported.
• Onboard, mentor, and coach Application Engineers.
• Serve as the regional escalation point for complex implementation issues and critical customer incidents.

Required qualifications

• 10–15 years of progressive experience in application engineering, solution architecture, systems integration, technical consulting, customer success engineering, industrial technology, or a related te
• Significant experience leading complex software, infrastructure, automation, IIoT, analytics, edge-computing, or shop-floor implementations in manufacturing or industrial environments.
• Demonstrated experience providing technical leadership, architecture oversight, design approval, and implementation governance across multiple simultaneous customer engagements.
• Experience directing or overseeing the work of engineers, including setting technical priorities, reviewing deliverables, mentoring team members, and making technical decisions.
• Strong understanding of industrial and enterprise solution architecture, including networks, security, protocols, Linux-based systems, databases, APIs, data pipelines, and distributed deployment envir
• Deep hands-on experience with product configuration, systems integration, technical troubleshooting, performance analysis, root-cause analysis, and production support.
• Strong customer-facing skills, including the ability to lead architecture workshops, explain complex technical concepts, manage technical objections, and communicate risk clearly.
• Excellent written and verbal communication skills.
• Strong organizational and prioritization skills.
• Ability to operate independently as a senior technical leader while collaborating effectively across regional and global teams.
• Willingness and ability to support customers and engineers across APAC time zones and to travel regionally when required.

Nice to have

• Experience with Litmus Edge, Litmus Edge Manager, industrial data platforms, edge orchestration platforms, or similar technologies.
• Strong knowledge of industrial protocols and systems, including OPC UA, MQTT, Modbus, PLCs, SCADA, historians, MES, and industrial control environments.
• Experience designing highly available, secure, and scalable industrial edge architectures across multiple facilities or geographic regions.
• Knowledge of cybersecurity practices for operational technology, industrial networks, edge devices, and hybrid cloud environments.
• Experience supporting regulated, mission-critical, or high-availability customer environments.
• Experience with pre-sales architecture, technical discovery, proposal approval, statement-of-work review, RFI/RFP responses, and commercial scope validation.
• Experience working with systems integrators, channel partners, value-added resellers, and regional technology partners.
• Experience contributing to product roadmaps, design reviews, beta programs, technical validation, or release-readiness processes.
• Experience developing technical standards, reference architectures, implementation methodologies, and reusable engineering assets.
• Relevant certifications in cloud architecture, Kubernetes, networking, cybersecurity, industrial automation, or solution architecture.

About the company

Litmus is a growth-stage software company building the data foundation that powers industrial AI. The platform helps manufacturers access, structure, and use real-time data from machines, systems, and sensors at the edge.