Senior Systems Engineer

Senior Systems Engineer – Loveland, CO

As the leading transit bus manufacturer in the United States, GILLIG buses play a critical role in the environmental and social initiatives in communities across our nation. GILLIG is on the forefront in the transition to zero‑emission vehicles and has an unmatched reputation in the industry for quality, reliability, durability, service, and support. From initial design through final assembly, each GILLIG bus is designed and built in Livermore, CA.

• Leader in environmentally friendly mobility solutions including battery electric, hybrid electric, near‑zero CNG and clean diesel transit buses.
• Renowned for its inclusive team/family‑oriented culture.
• Stable, successful, and growing organization – a Bay Area business for over 132 years!
• Flexible schedules (
  * depending on project needs).
• Excellent compensation including company paid medical premiums, generous retirement plan and other comprehensive benefits.

GILLIG Engineering is responsible for the development, customization, and configuration of GILLIG's clean technology heavy‑duty transit buses. We are committed to developing the most reliable buses that connect communities, eliminate congestion, and contribute to a greener environment. Our engineers are engaged in designing, analyzing, testing, launching, and problem solving across a wide range of technical areas.

We are looking for a Senior Systems Engineer who will be responsible for defining the requirements for the entire bus from vehicle‑level to system‑level, ensuring the designs meet safety, regulatory, and program requirements. You will develop and optimize processes to streamline the development cycles and ensure consistent quality results across all GILLIG programs. This role requires you to excel at solving complex problems, conceptualizing innovative solutions, and leading the integration of hardware and software into commercial products.

As a technical expert, you will lead systems engineering in new development programs, partnering with cross‑functional teams and external stakeholders to ensure alignment, technical excellence, and program success. You will be required to engage with diverse areas of expertise, including Control Systems, Electrical Systems, Mechanical Systems, and Thermal Systems.

This is a hands‑on, on‑site role at our Loveland, CO Colorado Technology Center (CTC) and reports to the CTC Systems Engineering Manager.

• Define vehicle, system, and subsystem requirements to ensure vehicle systems meet functional, safety, and performance goals.
• Break down program objectives (stakeholder needs) into actionable engineering requirements, identify potential shortfalls, and evaluate tradeoffs to develop practical solutions.
• Lead program engineering requirement management from start to finish, ensuring all requirements are met at each stage of the development lifecycle. Provide technical leadership to ensure all design decisions align with defined system requirements and program objectives.
• Conduct trade studies, lead design reviews, and perform technical assessments to determine optimal solutions for new and existing vehicle systems.
• Collaborate with cross‑functional teams, including Electrical, Mechanical, Controls, and Validation Engineering, to drive system architecture and solutions throughout the development process.
• Lead DFMEA and risk assessments to identify potential risks, resolve technical challenges, and ensure successful integration of all vehicle systems, subsystems, and components to deliver cohesive and optimized vehicle systems.
• Support validation efforts to confirm that system performance meets safety, regulatory, and program requirements.
• Use INCOSE principles to create standardized processes and workflows to implement systems engineering in product development, offering training and support for those involved.
• Utilize requirements management tools such as Jama, DOORS, or Team Center/Polarion to document requirements, system design decisions, and validation results, ensuring full traceability to maintain transparency and support knowledge transfer across the…