Senior Engineer, Field

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

We are seeking a Senior Engineer to join the Field Department in our New York office. The ideal candidate would be within commutable distance to Long Island. The Senior Engineer has a strong knowledge of design, the project process, and the interdisciplinary coordination needed with other engineering trades. The Senior Engineer is able to effectively collaborate with team members to ensure designs meet the standards of the Owner, JB&B, or another Design Engineer.

The Senior Engineer is expected to positively contribute to the office environment, work closely with senior staff to complete tasks, and participate in office activities.

• Reads, understands, and interprets construction documents (e.g. design drawings, submittals, etc.)
• Develops equipment-level testing procedures based on understanding of project documentation.
• Assists in development of system-level testing documents.
• Directs equipment-level testing to confirm operation in accordance with project requirements.
• Reads, understands, and interprets industry standards, guidelines, and certification programs (e.g. LEED, WELL, ASHRAE, etc.).
• Implements project processes to meet industry certification programs.
• Performs review of equipment performance data (e.g. BMS trend data, field measurements, etc.) and identifies normal and abnormal operational characteristics.
• Conducts project site surveys and records technical information.
• Develops technical field reports based on results of site survey events.

• Bachelor’s degree in Engineering or related discipline from an ABET accredited program.
• Minimum of 2+ years of experience.
• Has a basic understanding of miscellaneous design software tools applicable to MEP design (such as Revit and AutoCAD).
• Has a fundamental understanding of Energy and Building Codes as they relate to Field.
• Has an advanced understanding of documentation formats and content for each deliverable phase (ie: preconstruction, construction, turnover, and close out).
• Has knowledge of how to troubleshoot various field-related issues
• Understands basic proposal/add service and scope language.
• Maintains affiliation with a major professional organization (BCA, AEE, ASHRAE, USGBC, etc.).

• Legacy + Innovation
  :
  Our company blends a rich history with forward‑thinking design, including smart building systems and deep carbon reduction strategies.
• Collaborative Culture
  :
  With over 400 professionals, our company fosters mentorship, teamwork, and continuous learning.
• Global Impact
  :
  Now part of Trinity, our company offers opportunities to work on transformative projects across commercial, healthcare, aviation, life sciences, and data center sectors.
• Multiple office locations
  :
  New York, Boston and Philadelphia.

• Hybrid workplace offering the flexibility to work both from home and the office
• Comprehensive benefits package including 401k employer match and stock options
• Paid time off (PTO), volunteer program and employee resource groups
• Training and professional development courses through JB&B University

Estimated compensation range: $85,000-$93,000 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.