Senior-Level staff support engineering design projects with the following responsibilities ... Required Skills and Experience: * BS or MS in Mechanical Engineering, Engineering Mechanics ...
Senior-Level staff support engineering design projects with the following responsibilities ... Required Skills and Experience: * BS or MS in Mechanical Engineering, Engineering Mechanics ...
Sr Engineer - 35492
Juncos, PR · On-site
$101K - $139K/yr
Position Summary The Senior Engineer is responsible for providing technical leadership and ... Bachelor's Degree in Engineering (Mechanical, Electrical, Chemical, Industrial, or related ...
Quick apply
Sr Engineer - 35492
Juncos, PR · On-site
$101K - $139K/yr
Position Summary The Senior Engineer is responsible for providing technical leadership and ... Bachelor's Degree in Engineering (Mechanical, Electrical, Chemical, Industrial, or related ...
Sr Engineer - 35492
Juncos, PR · On-site
$101K - $139K/yr
Position Summary The Senior Engineer is responsible for providing technical leadership and ... Bachelor's Degree in Engineering (Mechanical, Electrical, Chemical, Industrial, or related ...
Sr Engineer - 35492
Juncos, PR · On-site
$101K - $139K/yr
Position Summary The Senior Engineer is responsible for providing technical leadership and ... Bachelor's Degree in Engineering (Mechanical, Electrical, Chemical, Industrial, or related ...
Partner with engineers to implement preventative maintenance strategies and contribute to equipment ... Associate's + 6 months Mechanical work or military experience Or High school/GED + 2 years ...
Partner with engineers to implement preventative maintenance strategies and contribute to equipment ... Associate's + 6 months Mechanical work or military experience Or High school/GED + 2 years ...
Sr. Engineer, Packaging
Guayama, PR · On-site
As a Senior Engineer - Packaging, you will partner closely with Manufacturing, Quality, Maintenance ... Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Industrial Engineering, or a ...
Sr. Engineer, Packaging
Guayama, PR · On-site
As a Senior Engineer - Packaging, you will partner closely with Manufacturing, Quality, Maintenance ... Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Industrial Engineering, or a ...
Sr. Engineer, Packaging
Guayama, PR · On-site
As a Senior Engineer - Packaging, you will partner closely with Manufacturing, Quality, Maintenance ... Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Industrial Engineering, or a ...
Sr. Engineer, Packaging
Guayama, PR · On-site
As a Senior Engineer - Packaging, you will partner closely with Manufacturing, Quality, Maintenance ... Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Industrial Engineering, or a ...
Senior Engineer - Process Optimization & Capital Projects
Juncos, PR · On-site
$101K - $139K/yr
The Senior Engineer independently leads the characterization of process optimization strategies and ... Bachelor's degree in Mechanical, Electrical, or Industrial Engineering with 4+ years of engineering ...
Quick apply
Senior Engineer - Process Optimization & Capital Projects
Juncos, PR · On-site
$101K - $139K/yr
The Senior Engineer independently leads the characterization of process optimization strategies and ... Bachelor's degree in Mechanical, Electrical, or Industrial Engineering with 4+ years of engineering ...
Senior FEA Engineer (Hybrid - Aguadilla, PR)
Aguadilla, PR · On-site
$93K - $128K/yr
... Senior FEA Engineer to join our innovative Vision Systems and Sensors team. In this role, you will ... Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
Senior FEA Engineer (Hybrid - Aguadilla, PR)
Aguadilla, PR · On-site
$93K - $128K/yr
... Senior FEA Engineer to join our innovative Vision Systems and Sensors team. In this role, you will ... Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
Senior FEA Engineer (Hybrid - Aguadilla, PR)
Aguadilla, PR · Hybrid
$93K - $128K/yr
... Senior FEA Engineer to join our innovative Vision Systems and Sensors team. In this role, you will ... Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
Senior FEA Engineer (Hybrid - Aguadilla, PR)
Aguadilla, PR · Hybrid
$93K - $128K/yr
... Senior FEA Engineer to join our innovative Vision Systems and Sensors team. In this role, you will ... Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
Senior Maintenance Engineer
Manati, PR · On-site
Senior Maintenance Engineer - JLL What this job involves: This strategic Senior Maintenance ... Bachelor's degree in mechanical engineering, electrical engineering, industrial engineering, or ...
Senior Maintenance Engineer
Manati, PR · On-site
Senior Maintenance Engineer - JLL What this job involves: This strategic Senior Maintenance ... Bachelor's degree in mechanical engineering, electrical engineering, industrial engineering, or ...
Senior Maintenance Engineer
Manati, PR · On-site
Senior Maintenance Engineer - JLL What this job involves: This strategic Senior Maintenance ... Bachelor's degree in mechanical engineering, electrical engineering, industrial engineering, or ...
Senior Maintenance Engineer
Manati, PR · On-site
Senior Maintenance Engineer - JLL What this job involves: This strategic Senior Maintenance ... Bachelor's degree in mechanical engineering, electrical engineering, industrial engineering, or ...
Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Manufacturing Engineering, or a related engineering discipline. * Minimum of 3-5 years of experience in manufacturing engineering ...
Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Manufacturing Engineering, or a related engineering discipline. * Minimum of 3-5 years of experience in manufacturing engineering ...
Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Manufacturing Engineering, or a related engineering discipline. * Minimum of 3-5 years of experience in manufacturing engineering ...
Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Manufacturing Engineering, or a related engineering discipline. * Minimum of 3-5 years of experience in manufacturing engineering ...
Sr. Engineer - Maintenance Reliability
Aibonito, PR · On-site
$85 - $120/hr
Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Manufacturing Engineering, or a related engineering discipline. * Minimum of 3-5 years of experience in manufacturing engineering ...
New
Sr. Engineer - Maintenance Reliability
Aibonito, PR · On-site
$85 - $120/hr
Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Manufacturing Engineering, or a related engineering discipline. * Minimum of 3-5 years of experience in manufacturing engineering ...
New
Senior Automation Engineer
Guaynabo, PR · On-site
$104K - $136K/yr
Bachelor's or Master's degree in Mechanical Engineering or related discipline * 10+ years in Industrial Refrigeration and Cold room Design * 5+ years in CO2 cold room design and operation
Senior Automation Engineer
Guaynabo, PR · On-site
$104K - $136K/yr
Bachelor's or Master's degree in Mechanical Engineering or related discipline * 10+ years in Industrial Refrigeration and Cold room Design * 5+ years in CO2 cold room design and operation
Partner with engineers to implement preventative maintenance strategies and contribute to equipment ... Associate's + 6 months Mechanical work or military experience Or High school/GED + 2 years ...
Partner with engineers to implement preventative maintenance strategies and contribute to equipment ... Associate's + 6 months Mechanical work or military experience Or High school/GED + 2 years ...
Sr. Project Engineer
Juncos, PR · On-site
$96K - $125K/yr
Bachelor's degree in Packaging Engineering, Mechanical Engineering, or a related field. * 10+ years of experience in packaging engineering or a similar role. * Strong project management skills with ...
Sr. Project Engineer
Juncos, PR · On-site
$96K - $125K/yr
Bachelor's degree in Packaging Engineering, Mechanical Engineering, or a related field. * 10+ years of experience in packaging engineering or a similar role. * Strong project management skills with ...
Sr Manufacturing Engineer
Dorado, PR · On-site
$80K - $109K/yr
Employment type: Full time and onsite role Role Summary The Senior Manufacturing Engineer provides ... Bachelor's degree in Mechanical, Electrical, Industrial, Manufacturing, Biomedical Engineering, or ...
Sr Manufacturing Engineer
Dorado, PR · On-site
$80K - $109K/yr
Employment type: Full time and onsite role Role Summary The Senior Manufacturing Engineer provides ... Bachelor's degree in Mechanical, Electrical, Industrial, Manufacturing, Biomedical Engineering, or ...
Senior Engineer
Juncos, PR · On-site
$101K - $139K/yr
Senior Engineer What you will do Let's do this. Let's change the world. We are seeking a Senior Engineer for our Drug Product Technologies Group in Thousand Oaks, CA. This group is responsible for ...
Senior Engineer
Juncos, PR · On-site
$101K - $139K/yr
Senior Engineer What you will do Let's do this. Let's change the world. We are seeking a Senior Engineer for our Drug Product Technologies Group in Thousand Oaks, CA. This group is responsible for ...
Sr Quality Engineer
Humacao, PR · On-site
$89K - $121K/yr
The Sr. Quality Engineer supports quality assurance activities within a regulated manufacturing ... Designs or specifies inspection and testing mechanisms and equipment; conducts quality assurance ...
Sr Quality Engineer
Humacao, PR · On-site
$89K - $121K/yr
The Sr. Quality Engineer supports quality assurance activities within a regulated manufacturing ... Designs or specifies inspection and testing mechanisms and equipment; conducts quality assurance ...
Senior Mechanical Engineer information
What does a senior mechanical engineer do?
A senior mechanical engineer manages the research and manufacturing of mechanical devices and systems. Day to day responsibilities of a senior mechanical engineer include estimating manufacturing project costs and timelines, making recommendations on system efficiencies and safety, and performing general engineering duties such as the development and testing of machines. A senior mechanical engineer job is a leadership position and requires managerial experience and excellent communication skills.
What does a senior mechanical engineer do?
What is the difference between Senior Mechanical Engineer vs Mechanical Designer?
| Aspect | Senior Mechanical Engineer | Mechanical Designer |
|---|---|---|
| Required Credentials | Bachelor's or Master's in Mechanical Engineering, Professional Engineer (PE) license often preferred | Associate's or Bachelor's in Mechanical Engineering or related field, certifications vary |
| Work Environment | Design, analysis, project management, often in engineering firms or manufacturing | Drafting, CAD modeling, product development, typically in design departments |
| Employer & Industry Usage | Engineering firms, manufacturing, aerospace, automotive | Product design companies, manufacturing, engineering consultancies |
While both roles involve mechanical design, Senior Mechanical Engineers focus on project oversight, analysis, and technical leadership, whereas Mechanical Designers primarily handle CAD modeling and drafting tasks. The senior role requires more advanced credentials and experience, often with broader responsibilities in project management and engineering decisions.
What are the key skills and qualifications needed to thrive as a senior mechanical engineer, and why are they important?
How does a senior mechanical engineer typically collaborate with cross-functional teams during a project?

Full-time
Medical, Dental, Vision, Life, Retirement, PTO
Re-posted 10 days ago
Sargent & Lundy rating
8.4
Based on 10 frontline employees who took The Breakroom Quiz
122nd of 447 rated engineering
Job description
Piping Engineering & Analysis Synopsis
The Piping Engineering & Analysis discipline performs evaluations for piping systems in accordance with ASME Boiler and Pressure Vessel Code, ASME B31.1, ASME B31.7, and other codes as applicable to thespecific evaluation being performed. The Piping Engineering & Analysis discipline also performs the following specialty topics.
- Vibration monitoring and analysis to evaluate system operational vibrations associated with plant modifications and operating events, and to provide vibration prevention and mitigation solutions and designs.
- Evaluation of hydraulic transients, evaluation of piping systems for thermal stratification effects, operability evaluations, and qualification of piping for hydrodynamic loads.
- Pipe rupture evaluations, evaluation of pipe wall thinning due to flow accelerated corrosion (FAC) or microbiological induced corrosion (MIC), and pipe flaw evaluations.
Position Specific Details
Provides senior-level technical support by performing a variety of engineering tasks such as preparing and reviewing calculations and designs of a complex nature. On a task basis, is responsible for the preparation and completion of discipline engineering designs that are responsive to project needs. Monitors the work of assigned staff to ensure requirements are met.
Senior-Level staff support engineering design projects with the following responsibilities:
- Prepares and reviews complex calculations.
- Reviews simple system/structural designs and prepares complex system designs.
- Prepares documented design input for drawing production (i.e., P&IDs and Master Diagrams). Reviews design input for simple system/structures. Performs engineering review of drawings.
- Prepares and reviews equipment specifications. Prepares material specifications.
- Prepares bid evaluations for systems and larger components. Prepares calculations to support economic evaluations. Solicits data from vendors.
- Prepares and reviews simple reports/studies.
- Develops single-discipline/simple-scope project budgets, schedules, and project work plans. Monitors own work to ensure it is completed within budget and on schedule.
- Provides single-discipline input to simple proposals.
- Uses effective written and oral communication skills to convey information to project team members and managers. Presents written technical information in a clear and concise manner in all deliverables.
- Prepares reports and deliverables that are clearly understood and meet client requirements. Communicates clearly in meetings with client, and summarizes meeting notes in a clear and timely manner.
This role offers a hybrid work arrangement, with the expectation of spending three days a week in the office, giving you the flexibility to work remotely for two days.
Dependent upon your location, this opportunity offers a generous relocation package.
QualificationsWe do not sponsor employees for work authorization in the U.S. for this position.
Required Skills and Experience:
- BS or MS in Mechanical Engineering, Engineering Mechanics, Aerospace, or Structural/Civil Engineering, from an ABET Engineering Accreditation Commission-approved program, with an emphasis in solid mechanics, structural analysis, theory of elasticity, metallurgy, and finite element analysis
- 5 or more years of relevant experience
- Must have knowledge of ASME B31.1 and ASME B&PV Section III piping codes
- Knowledge of the design, selection, and application of pipe supporting elements
- Working knowledge of commercially available piping products and their application
- Must be bilingual in Spanish and English (read, speak, and write)
- Strong written and verbal communication skills
Valued but Not Required Skills and Experience:
- P.E. license
- Working knowledge of commercially available piping products and their application
- The ability to navigate a 3D CAD model
- Experience with AutoPIPE or PIPESTRESS software
- Knowledge of gas dynamics and hydraulic transients
- Knowledge of pipe condition assessment
- Experience with ANSYS Workbench and Mechanical ADP
In this role, we expect people to be willing or able to lead others who use modern tools:
- You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
- Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
- Overseeing engineers who program or script (e.g., Python, MATLAB, advanced Excel) to automate engineering tasks, with review of automated outputs, is valued but not required.
- We also value additional learning, such as a minor, certificate, or other experience in Computer Science, Artificial Intelligence, Software Engineering, or related fields that enables effective oversight of automation and agentic AI-enabled engineering workflows.
At Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.
Health & WellnessFinancial BenefitsWork-Life Balance- Health Plans: Medical, Dental, Vision
- Life & Accident Insurance
- Disability Coverage
- Employee Assistance Program (EAP)
- Back-Up Daycare
- FSA & HSA
- 401(k)
- Pre-Tax Commuter Account
- Merit Scholarship Program
- Employee Discount Program
- Corporate Charitable Giving Program
- Tuition Assistance
- First Professional Licensure Bonus
- Employee Referral Bonus
- Paid Annual Personal/Sick Time (PST)
- Paid Vacation
- Paid Holidays
- Paid Parental Leave
- Paid Bereavement Leave
- Flexible Work Arrangements
Join Sargent & Lundy's Nuclear Power Group and be part of a team driving the future of clean, carbon-free energy. Since 1954, we've been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. Our work supports life extensions and digital modernization of existing nuclear plants, coal-to-nuclear conversion initiatives with the Department of State, and international nuclear new-build projects. With a commitment to safety, innovation, and sustainability, we provide cutting-edge solutions that power communities worldwide while reducing emissions. Shape the future of global energy with us!
Equal OpportunitySargent & Lundy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any protected status as defined by applicable law.
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About Sargent & Lundy
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Sargent & Lundy is one of the most experienced full-service architect-engineering firms in the world. Founded in 1891, the firm is a global leader in power and energy with expertise in grid modernization, renewable energy, energy storage, nuclear power, and fossil fuels. Sargent & Lundy delivers comprehensive project services--from consulting, design and implementation to construction management, commissioning and operations/maintenance--with an emphasis on quality and safety. The firm serves public and private sector clients in the power and energy, gas distribution, industrial, and government sectors.
Industry
Civil engineering construction
Company size
1,001 - 5,000 Employees
Headquarters location
Chicago, IL, US
Year founded
1891