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Senior Engineer Jobs in Isabela, PR (NOW HIRING)

Eaton

Quality Senior Engineer

Arecibo, PR · On-site

$76K - $103K/yr

The Senior Quality Engineer works closely with Operations, other cross-functional team members and suppliers to ensure stable processes, robust control plans, and reliable product/components ...

Sargent & Lundy

Senior Substation Engineer 1 - Grid

Mayaguez, PR · Hybrid

$104K - $143K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior Substation Engineer, you will: * Take an active role in project conceptualization, work planning, and project execution. * Support challenging assignments that include investigating ...

Eaton

Sr Manufacturing Engineer (Second Shift)

Arecibo, PR · On-site

$78K - $107K/yr

The OPEX Senior Engineer provides leadership and technical support to the Arecibo manufacturing operations, including Feeders, Assembly, and Testing areas. This role is responsible for establishing ...

Baxter

Sr. Opex Engineer

Jayuya, PR

$98K - $135K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This role partners closely with Manufacturing, Quality, Engineering, and Leadership teams to embed a culture of Operational Excellence through the Growth and Performance System (GPS) and Lean/Six ...

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All JobsEngineer JobsSenior Engineer JobsSenior Engineer Jobs in Isabela, PR

Senior Engineer information

See Isabela, PR salary details

$47.8K

$101.6K

$147.3K

How much do senior engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for senior engineer in Isabela, PR is $101,589.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,900.00 and $115,200.00 per year, depending on experience, location, and employer.

What is a senior engineer?

Senior engineers develop and design software programs and applications, but are designated senior because they have more extensive knowledge and years of experience than other engineers on their team. As a senior engineer, you work closely with company managers to ensure the software is created to the required specifications and must troubleshoot issues with applications when they arise. Most senior engineers have mastered a specific set of programming languages, databases, and operating systems.

What is a senior engineer?

A Senior Engineer is an experienced professional responsible for designing, developing, and overseeing complex engineering projects. They often lead teams, mentor junior engineers, and ensure that technical solutions meet organizational goals and industry standards. Senior Engineers are typically experts in their field, possessing advanced problem-solving skills and a deep understanding of relevant technologies and methodologies. Their role also often involves collaborating across departments, managing timelines, and contributing to strategic planning.

How does a senior engineer typically mentor junior team members, and what impact does this have on the team's success?

Senior Engineers often play a key role in mentoring junior developers by providing guidance on technical challenges, reviewing code, and sharing best practices. This mentorship helps foster a collaborative environment where less-experienced team members can develop their skills more rapidly. As a result, the entire team benefits from improved code quality, faster problem-solving, and a culture of continuous learning. Senior Engineers also help set standards and encourage professional growth, which contributes to the overall success and cohesion of the engineering team.

What are the key skills and qualifications needed to thrive as a senior engineer, and why are they important?

To thrive as a Senior Engineer, you need advanced technical expertise in your engineering discipline, a relevant degree, and several years of industry experience. Familiarity with project management software, CAD tools, and compliance with engineering standards or certifications like PE (Professional Engineer) is typically required. Critical thinking, leadership, and effective communication are essential soft skills for mentoring teams and managing complex projects. These skills and qualities ensure successful project delivery, innovation, and strong team performance within engineering environments.

What is the difference between Senior Engineer vs Mechanical Engineer?

AspectSenior EngineerMechanical Engineer
Required CredentialsBachelor's degree in engineering; often a master's; professional engineering license (PE) preferredBachelor's degree in mechanical engineering; PE license optional but advantageous
Work EnvironmentDesign, development, project management; leadership rolesDesign, analysis, testing, manufacturing
Industry UsageUsed across engineering sectors for experienced professionalsEntry to mid-level engineering roles in manufacturing, automotive, aerospace

Senior Engineers typically have more experience, leadership responsibilities, and advanced credentials compared to Mechanical Engineers. While Mechanical Engineers focus on design and analysis, Senior Engineers often oversee projects and mentor teams, making them suitable for higher-level roles within engineering teams.

More about Senior Engineer jobs

What are the most commonly searched types of Engineer jobs in Isabela, PR?

The most popular types of Engineer jobs in Isabela, PR are:

What cities near Isabela, PR are hiring for Senior Engineer jobs?

Cities near Isabela, PR with the most Senior Engineer job openings:

Senior Engineer jobs near you

Senior Engineer, Design Engineering (Hybrid)

Raytheon Technologies

Aguadilla, PR • On-site

$93K - $128K/yr

Full-time

Posted 21 days ago

Job description

Date Posted:
2026-07-28
Country:
United States of America
Location:
US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110
Position Role Type:
Hybrid
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
Security Clearance:
None/Not Required
At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.
What You Will Do
Pratt & Whitney Puerto Rico (PWPR) Auxiliary Power Units (APU) Engineering is seeking a Senior Design Engineer to support APU and Turbojet (TJ) programs across Pratt & Whitney. The PWPR APU Engineering team provides Project Engineering, Design Engineering, and Product Definition services for APU and TJ products in military and commercial programs across all lifecycle phases, from Development through Production and Sustainment. Additionally, the PWPR APU Engineering team supports these engineering services for all hardware within the APU and TJ programs, exposing our engineers to all types of hardware. As a Senior Design Engineer on our team, you will be involved in various design activities related to APU and TJ programs for military and commercial applications. The Senior Design Engineer provides advanced engineering judgment for quality notifications, supplier technical inquiries, producibility investigations, and engineering change activity. Additionally, the engineer will mentor early career engineers, and contribute to improving product robustness, manufacturability, and lifecycle performance. This role is a great opportunity to join a highly collaborative and fast-paced engineering environment where your ideas can have real influence on hardware decisions and solve production issues. Our team offers an opportunity to work with a wide range of APU and Turbojet components, enabling you to rapidly grow your technical depth while making a visible impact across multiple engine programs. If you're looking for a place where engineers are empowered, cross functional learning is encouraged, and innovation directly impacts our company's ability to meet customer requirements, we'd love to have you on board.
  • Lead the support APU/TJ Supply Chain activities by analyzing and dispositioning Quality Notifications (QNs), responding to Electronic Supplier Requests for Information (eSRI), providing engineering support to supplier transitions, executing hardware Engineering Changes to improve quality, cost, and producibility metrics.
  • Coaching and reviewing the work of P1/P2 engineers and contribute to knowledge sharing across the team.
  • Perform Computer-Aided Design (CAD) functions to manipulate and create 2D geometries, 3D models, and 3D assemblies to meet fit, form, and function requirements and support engineering documentation.
  • Interpret and define tolerances and features in part drawings. Lead efforts to develop and incorporate new ways to advance technology and improve processes as an individual and as a team contributor.
  • Perform advanced engineering analyses such as structural assessments, thermal evaluations, tolerance stack-ups, and other calculations required to support design decisions.
  • Lead escape investigations, identifying root causes and execute implementation of corrective actions and design enhancements.
  • Participate as a design support lead in integrated product teams for small projects to provide design solutions that balance performance, cost, schedule, and quality requirements.
  • Prepare and present status and technical content to Program Chief Engineers, APU leadership, customers, and suppliers; effectively communicate complex issues and recommendations.
  • Build and maintain strong relationships with cross-functional teams, suppliers, and customers.
  • Advance continuous improvement efforts, including process updates, Engineering Knowledge Systems document development, and engineering best-practice implementation.
  • English (read, write, speak) is required when communicating with customers, co-workers, or supervisors who only speak English.
  • Travel less than 10%.

Qualifications You Must Have
  • Bachelor's degree in Engineering
  • 5 years of engineering experience or an advanced degree with 3 years of engineering experience.
  • Experience with Microsoft 365 (Word, Excel, Power point, Outlook).
  • Ability to read and interpret engineering drawings and understanding of ASME Y14.5 GD&T standards.

Qualifications We Prefer
  • Bachelor's degree in Mechanical or Aerospace engineering
  • Experience with Computer-Aided Engineering (i.e. FEA, CAD, etc.) software, Teamcenter, SAP and programming languages.
  • Experience working in the Aerospace Industry, Auxiliary Power Units and Jet Engines.
  • Advanced mechanical aptitude to understand the interactions of complex assemblies and how to translate those interactions into sound analytical assumptions.
  • Communication and collaboration skills, ability to influence and resolve complex technical issues, Team oriented, interpersonal, time management and organizational skills.
  • Knowledge of project management concepts (scheduling, risk management, action tracking).

What We Offer:
  • Employee Scholar Program

What Is My Role Type: In addition to transforming the future of flight, we are also transforming how and where we work. We've introduced role types to help you understand how you will operate in our blended work environment. This role is:
  • Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. This means that responsibilities of the job need to be performed onsite on a regular basis.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee's personal responsibility.
This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award.
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.
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