Jaros, Baum & Bolles, Inc.
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
About the Role We are seeking a Senior Engineer to join our dynamic Electrical team in our Boston office. This role is ideal for a professional with a proficient understanding of electrical design, project execution, and interdisciplinary coordination.
As a Senior Engineer, you will making a positive impact on the office environment by:
Sharing technical knowledge and best practices with colleagues.
Acting as a mentor to junior engineers, supporting their professional development.
Actively participating in office initiatives, team‑building events, and knowledge‑sharing activities.
Key Responsibilities
Design tenant fit‑out projects and complete specific tasks on base building/infrastructure upgrades; assemble riser diagrams, schedules, and floor plans.
Plan and coordinate routing of major distribution, main equipment rooms, closets, shafts, and risers.
Lead design tasks that support the overall trade system (e.g., branch circuiting, ductwork distribution, piping distribution, etc.).
Review shop drawings, perform site visits and punch‑lists with limited supervision to verify accurate implementation.
Understand documentation requirements and develop relevant content for each deliverable phase (e.g., SD, DD, CD, and specifications).
Implement office procedures related to both design (e.g., archiving drawings, filing drawings and forms, etc.) and construction administration (e.g., updating shop drawing log, updating RFI log, etc.).
Minimum Qualifications
Bachelor’s degree in electrical or mechanical engineering.
2+ years of experience.
Excellent oral and written communication.
Proficient in all design calculations and software tools (e.g., Revit, AutoCAD) applicable to the discipline.
Knowledge of trade‑specific scope of project (e.g., proposal/add‑service), trade‑related codes (including energy, building, etc.) and required coordination with other trades.
Why Work at JB&B?
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.
What We Offer
Hybrid workplace offering the flexibility to work both from home and the office.
Comprehensive benefits package including 401(k) 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 annual salary
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.
Protected Veteran Self‑Identification (Optional) A “disabled veteran” is one of the following:
A veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or would be entitled if not for retired pay) under laws administered by the Secretary of Veterans Affairs.
A person who was discharged or released from active duty because of a service‑connected disability.
A “recently separated veteran” means any veteran during the three‑year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.
An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval, or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval, or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.
Voluntary Self‑Identification of Disability (Optional) Disabilities include, but are not limited to:
Alcohol or other substance use disorder (not currently using drugs illegally)
Blind or low vision
Cancer (past or present)
Cardiovascular or heart disease
Celiac disease
Cerebral palsy
Deaf or serious difficulty hearing
Diabetes
Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
Epilepsy or other seizure disorder
Mental health conditions, e.g., depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
Missing limbs or partially missing limbs
Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s), and/or other supports
Nervous system condition, e.g., migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
Neurodivergence, e.g., attention‑deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
Partial or complete paralysis (any cause)
Pulmonary or respiratory conditions, e.g., tuberculosis, asthma, emphysema
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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
About the Role We are seeking a Senior Engineer to join our dynamic Electrical team in our Boston office. This role is ideal for a professional with a proficient understanding of electrical design, project execution, and interdisciplinary coordination.
As a Senior Engineer, you will making a positive impact on the office environment by:
Sharing technical knowledge and best practices with colleagues.
Acting as a mentor to junior engineers, supporting their professional development.
Actively participating in office initiatives, team‑building events, and knowledge‑sharing activities.
Key Responsibilities
Design tenant fit‑out projects and complete specific tasks on base building/infrastructure upgrades; assemble riser diagrams, schedules, and floor plans.
Plan and coordinate routing of major distribution, main equipment rooms, closets, shafts, and risers.
Lead design tasks that support the overall trade system (e.g., branch circuiting, ductwork distribution, piping distribution, etc.).
Review shop drawings, perform site visits and punch‑lists with limited supervision to verify accurate implementation.
Understand documentation requirements and develop relevant content for each deliverable phase (e.g., SD, DD, CD, and specifications).
Implement office procedures related to both design (e.g., archiving drawings, filing drawings and forms, etc.) and construction administration (e.g., updating shop drawing log, updating RFI log, etc.).
Minimum Qualifications
Bachelor’s degree in electrical or mechanical engineering.
2+ years of experience.
Excellent oral and written communication.
Proficient in all design calculations and software tools (e.g., Revit, AutoCAD) applicable to the discipline.
Knowledge of trade‑specific scope of project (e.g., proposal/add‑service), trade‑related codes (including energy, building, etc.) and required coordination with other trades.
Why Work at JB&B?
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.
What We Offer
Hybrid workplace offering the flexibility to work both from home and the office.
Comprehensive benefits package including 401(k) 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 annual salary
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.
Protected Veteran Self‑Identification (Optional) A “disabled veteran” is one of the following:
A veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or would be entitled if not for retired pay) under laws administered by the Secretary of Veterans Affairs.
A person who was discharged or released from active duty because of a service‑connected disability.
A “recently separated veteran” means any veteran during the three‑year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.
An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval, or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval, or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.
Voluntary Self‑Identification of Disability (Optional) Disabilities include, but are not limited to:
Alcohol or other substance use disorder (not currently using drugs illegally)
Blind or low vision
Cancer (past or present)
Cardiovascular or heart disease
Celiac disease
Cerebral palsy
Deaf or serious difficulty hearing
Diabetes
Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
Epilepsy or other seizure disorder
Mental health conditions, e.g., depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
Missing limbs or partially missing limbs
Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s), and/or other supports
Nervous system condition, e.g., migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
Neurodivergence, e.g., attention‑deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
Partial or complete paralysis (any cause)
Pulmonary or respiratory conditions, e.g., tuberculosis, asthma, emphysema
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