Senior Engineer

Posted Yesterday
Hiring Remotely in United States
Remote
100K-116K Annually
Senior level
Software • Design
The Role
Designs and coordinates mechanical building systems, including HVAC and plumbing, while preparing calculations, specifications, schedules, and construction documents. Oversees BIM modeling, quality checks, code compliance, construction administration, submittal reviews, RFIs, site visits, and project coordination. Advises clients on system selection, energy performance, constructability, and lifecycle considerations. Independently manages deliverable plans, coordinates multidisciplinary teams, supports continuous improvement, and mentors engineers and BIM staff.
Summary Generated by Built In

At Axiom, A Salas O’Brien Company we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they’ll receive great total rewards along the way.

About Us:

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Job Summary: 

 The Senior MEP Engineer - Mechanical Focus is responsible for the technical execution of projects ranging in scope and scale. This role independently designs and coordinates mechanical systems, produces clear calculations and construction documents, directs modeling and drafting activities, and helps ensure the final deliverable is coordinated, constructible, code-compliant, and aligned with client goals.

Primary ResponsibilitiesPrepare mechanical calculations and construction documents that meet quality standards
  • Design HVAC, plumbing, and related mechanical systems within areas of technical proficiency.
  • Perform load calculations, equipment selection, system sizing, energy analysis, and code review.
  • Develop system schematics, sequences, schedules, specifications, and unique details.
  • Provide modeling and drafting direction and coordinate BIM deliverables.
  • Quality-check own work and provide high-level options to the Technical Lead when direction is required.
    Develop and execute sprint plan activities
  • Create and communicate the plan of approach to the Project Manager.
  • Define deliverable tasks, dependencies, and estimated hours.
  • Prioritize high-value, low-risk activities that keep the project moving.
  • Commit to and execute the plan; reconcile progress with the project team as needed.
  • Communicate early and often when roadblocks, scope changes, or schedule risks are identified.
    Manage construction administration activities and report to the Technical Lead
  • Maintain and update the construction administration log.
  • Draft responses to RFIs for Technical Lead approval.
  • Review mechanical submittals and shop drawings and present recommendations to the Technical Lead.
  • Evaluate substitutions, field conditions, and coordination conflicts; elevate scope-creep concerns.
  • Perform site visits, document observations, and support punch-list and closeout activities.
    Independently communicate and manage client and consultant coordination
  • Communicate independently through client meetings, calls, and email exchanges.
  • Coordinate mechanical design with architectural, structural, electrical, civil, and specialty disciplines.
  • Proactively identify coordination issues and offer practical solutions.
  • Advise clients early on system selection, lifecycle considerations, constructability, energy performance, and tradeoffs.
  • Communicate decisions, action items, and updates to the project team.
    Participate in and execute continuous-improvement activities
  • Seek out and participate in continuing education and discipline-specific development.
  • Contribute to standards, details, specifications, calculation tools, and best practices.
  • Support mentoring and technical development of engineers and BIM/modeling staff.
  • Expand proficiency across system types, markets, delivery methods, and project scales.

Qualifications:

Education and Experience
  • Bachelor’s degree in Mechanical Engineering or a closely related engineering discipline required.
  • Active Professional Engineer (PE) license required.
  • Typically 8+ years of progressive mechanical building-systems design experience, including independent project execution and construction administration.
  • Demonstrated experience developing coordinated construction documents and communicating directly with clients and multidisciplinary teams.
Preferred Qualifications
  • Experience with Revit and discipline-specific calculation, energy-modeling, and specification tools.
  • Experience with multiple project types and delivery methods.
  • Working knowledge of applicable mechanical, plumbing, energy, fire/life-safety, and accessibility codes and standards.
  • Experience mentoring technical staff and improving design standards or workflows.

Benefits:

  • Gain invaluable industry experience and practical engineering skills.
  • Work with a diverse team of professionals, fostering network opportunities.
  • Access to mentorship and guidance from experienced engineers.
  • Competitive compensation package.

Location: Remote

Travel: Yes 10-15%

Compensation: $99,750 $115,500

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.

Qualifications Education Required Bachelors or better. Bachelors or better. Experience Preferred Typically 8+ years of progressive mechanical building-systems design experience, including independent project execution and construction administration. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

Skills Required

  • Bachelor's degree in Mechanical Engineering or a closely related engineering discipline
  • Active Professional Engineer (PE) license
  • Typically 8+ years of progressive mechanical building-systems design experience, including independent project execution and construction administration
  • Experience developing coordinated construction documents and communicating directly with clients and multidisciplinary teams
  • Experience with Revit and discipline-specific calculation, energy-modeling, and specification tools
  • Experience with multiple project types and delivery methods
  • Working knowledge of applicable mechanical, plumbing, energy, fire/life-safety, and accessibility codes and standards
  • Experience mentoring technical staff and improving design standards or workflows

Salas O'Brien Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Salas O'Brien and has not been reviewed or approved by Salas O'Brien.

  • Healthcare Strength — Healthcare options include multiple medical, dental, and vision plans with an individual medical option at no premium, plus no‑cost preventive medications and mental‑health resources. Employer‑paid disability and life coverage further strengthen the safety net.
  • Leave & Time Off Breadth — Time off includes a base PTO allotment plus company office‑closure days and paid parental leave for births, adoptions, and foster placements. Feedback suggests the breadth of leave is a standout component of the package.
  • Retirement Support — Retirement benefits include a 401(k) employer match with a potential additional company stock contribution, along with RRSP support in Canada and a student‑loan payment 401(k) match in the U.S. These features provide structured long‑term savings support beyond base pay.

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The Company
HQ: Irvine, California
2,062 Employees

What We Do

Salas O’Brien is an employee-owned engineering and technical services firm focused on advancing the human experience through the built environment. Our team is engineered for impact™, helping clients achieve critical goals, advancing our team members through growth and opportunity, and operating at the center of important global issues, including sustainability and decarbonization. We are a top firm as ranked by Engineering News-Record and Consulting-Specifying Engineer, and we have appeared for over a decade on the Inc. 5000 list of North America’s fastest-growing private companies.

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