Senior Project Engineer, Field and Commissioning

Join JB&B and shape the future of the built environment!

Founded in 1915, Jaros, Baum & Bolles has been a pillar of engineering innovation in New York City for over a century. Specializing in mechanical, electrical, plumbing (MEP), JB&B has contributed to some of the most iconic buildings.

In October 2025
, JB&B joined forces with Trinity Consultants
, a global consulting firm focused on the natural and built environments. JB&B now operates within Trinity’s Built Environment division
, combining its deep expertise in high-performance building systems with Trinity’s strengths in acoustic design, facility operations, commissioning, and technology strategy
.

This strategic merger expands JB&B’s capabilities and offers employees:

• Access to a broader portfolio of international projects and clients
• Enhanced career mobility across Trinity’s global network
• Interdisciplinary collaboration with experts in sustainability, environmental science, and digital infrastructure

The Senior Project Engineer is a technically skilled and experienced engineer with developed communication, coordination, project management and leadership skills. The Senior Project Engineer manages larger projects and is the key lead for MEPFP fieldwork, and a liaison for the MEPFP design team. The Senior Project Engineer is expected to proactively coordinate, communicate, problem solve across disciplines, and exhibit the ability to balance the client relationship with the project’s financial goals.

• Reads, understands, and interprets construction documents (e.g. design drawings, submittals, etc.)
• Distills data from project specifications, contract drawings, and relevant code sections to prepare project-specific inspection/test scripts of multidisciplinary systems, or client-requested method of procedures, and/or system level testing documentation.
• Directs equipment and system level testing to confirm operation in accordance with project requirements.
• Records results of testing and technical description of discrepancies.
• Reads, understands, and interprets industry standards, guidelines, and certification program (e.g. ASHRAE, LEED, WELL, etc.) requirements.
• Oversees and confirms project processes are in place to meet industry certification programs.
• Approves review of equipment performance data (e.g. BMS trend data, field measurements, etc.) and identified normal and abnormal operational characteristics.
• Conducts project site surveys and records technical information.
• Has a firm understanding of local Building Code (BC) requirements

• Bachelor’s degree in Engineering or related discipline from an ABET accredited program.
• Minimum of 4+ years of experience.
• Specific dedicated Retro-Cx experiences, LL87 experience
• Holds a professional certification title (LEED, CCP, CEM, etc.).
• Has understanding of all trades scope of project.
• Has advanced understanding of firm/team production capacity in establishing and maintaining project deliverables.
• Has a fundamental understanding of miscellaneous design software tools applicable to MEP design (such as Revit and AutoCAD).
• Has advanced understanding of Energy and Building Codes as they relate to Field services.

• Hybrid workplace offering the flexibility to work both from home and the office
• Paid time off (PTO), paid parental leave and inclusive holidays.
• Training and professional development courses through JB&B University.
• Multiple employee resource groups.

$105,000-$120,000 base salary per year

Jaros, Baum & Bolles is an equal-opportunity employer. All qualified candidates will receive consideration for employment without regard to race, ethnicity, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, marital status, military veteran status, unemployment status, or any other status protected by law.