Position: Senior Systems Engineer
Reports to: Senior Manager of Engineering and NPI
Position Location:Company HQ in Suburban Philadelphia, PA
The Senior Systems Engineer will be responsible for driving the development of the next generation of SLIM based ion mobility instruments coupled with LC-MS/MS. This multi-disciplinary role requires basic technical knowledge across electrical, software, and mechanical engineering. The Senior Systems Engineer will drive the collection of requirements from the business, users, & technical teams and then work to ensure that these requirements are addressed at each stage of the product development process. The Senior Systems Engineer will follow the product development lifecycle and operate within the Quality Management Systems’ policies, procedures, and protocols to ensure compliance with regulatory and industry standards and practices.
Responsibilities:
- Facilitate user, business, and product requirement collection from key stakeholders and cross-functional teams.
- Lead the review of product requirements across functional groups.
- Development of system timing, signal allocation, interface definition, and architecture diagrams.
- Participate in design reviews for all subsystem components.
- Plan and execute system integration and requirement verification.
- Manage system configuration (software, firmware, hardware) of the product during development.
- Manages product FMEAs and performs product risk analysis.
- Create procedures, protocols, and reports to support product development lifecycle and stage gate review.
- Lead external safety and environmental regulatory certifications.
- Work with manufacturing and service personnel to improve quality, cost, manufacturability, and serviceability of products.
- Adhere to MOBILion’s QMS policies, procedures, and protocols to ensure compliance with regulatory and industry standards and practices.
Required Skills & Qualifications:
- Bachelor’s degree in engineering (Electrical, Software, Mechanical, Chemical).
- At least 5 years’ experience with system or subsystem engineering including drafting requirements and verification activities.
- Demonstrated experience in the design, development, and integration of complex systems involving mechanical, electrical, firmware, and software components.
- Excellent written and verbal communication skills, with the ability to effectively collaborate across multidisciplinary teams.
- Experience with product development in an ISO9001 environment.
- Detail oriented documentation skills.
- Strong analytical and debugging skills with hands-on experience using tools such as oscilloscopes, logic analyzers, JTAG/SWD debuggers, and protocol analyzers.
- Proficient in diagnosing hardware-software integration issues and resolving system-level faults in real-time environments.
- The ability to lead product development from lab prototype to commercial launch.
- Ability to read and understand mechanical drawings, electrical schematics, and source code.
- Authorized to work in the United States
Preferred Skills & Qualifications:
- An advanced degree in engineering, physics, or related discipline.
- 8 years’ experience with complex instrumentation and data acquisition systems.
- Ion mobility-Mass spectrometry instrumentation development experience.
- Strong project management skills.
- Regulatory and quality control experience.
- Experience in the development and integration of embedded systems across mechanical, electrical, firmware, and software domains.
- Proficient in designing real-time applications using ARM Cortex-M microcontrollers, RTOS environments, and communication protocols such as SPI, I²C, UART, and CAN.
- Skilled in C/C++ firmware development, hardware-software interfacing, and system-level debugging.
Key Relationships
- Internal Interactions: Electrical Engineering, Mechanical Engineering, Software, Applications Scientists, Research and Development, Manufacturing, Field Service
Cultural, Behavioral and General Characteristics
- Integrity
- Collaborative
- Work standards/high work ethic – initiative and drive
- Innovativeness & creativity
- Self-sufficient, self-driven, self-motivated (work with minimal supervision)
- Curiosity
- Ability to quickly adapt and learn
- Ability to dissect complex problems into small resolvable issues
Our vibrant culture is built on shared values and our passion to positively impact healthcare. We foster amazing teams and have a bias toward action. We encourage everyone to bring their whole selves to work and grow together through development opportunities, mentorship, and shared successes. We’ve also got amazing benefits!
- Healthcare insurance for employees and their families
- Rich 401(k) offering with Company match
- Annual bonus potential
- Employee Stock Ownership program
- Generous flexible time off benefits
- Flexible work arrangements
- Fitness center
- Energetic & inclusive culture
MOBILion Systems is proudly committed to recruiting and retaining a diverse and inclusive workforce. As an Equal Opportunity Employer, we never discriminate based on race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical condition), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
Top Skills
What We Do
MOBILion’s technology makes it easy to separate, identify and analyze the most challenging molecules that other instruments fail to detect. Our higher resolution, faster analysis and simpler workflows reveal molecules that are most important in characterizing biologic therapeutics, discovering biomarkers, and improving the accuracy of diagnostic tests. We make today’s treatment’s safer and more effective, empower tomorrow’s disease prediction and diagnosis, and accelerate the development of new therapies.







