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Junior Python Developer Jobs in Puerto Rico (NOW HIRING)

Data analytics tools (Minitab, JMP, Power BI, Python for data analysis) * Supplier process ... Mentoring or technical coaching of junior engineers * Strong technical writing (protocols, reports ...

Data analytics tools (Minitab, JMP, Power BI, Python for data analysis) * Supplier process ... Mentoring or technical coaching of junior engineers * Strong technical writing (protocols, reports ...

AI Ops Engineer

San Juan, PR · Hybrid

$68K - $92K/yr

May act as a project lead and provide guidance to junior professionals. Exercises independent ... Collaborate with DevOps, Site Reliability, and security teams to improve platform performance ...

Data Engineer

San Juan, PR · On-site

$65 - $85/hr

Write Python scripts and SQL queries to extract, transform, and load data following established ... Collaborate with senior engineers on code reviews, sprint planning, and incident response, learning ...

Job Summary We are seeking a talented and driven Data Infrastructure Engineer to support the ... Experience with Python (pandas, scripting) to interpret and refactor existing transformation logic

Data Engineer

Carolina, PR · On-site

$65 - $70/hr

Proficient in Python and/or Java for data engineering work * Strong SQL skills and hands-on experience with relational databases (Postgres preferred) * Experience with ETL/ELT design and ...

Data Testing Engineer

San Juan, PR · On-site

$90 - $120/hr

Job Summary We are seeking a detail-oriented and analytical Data Testing Engineer to ensure the ... Working knowledge of Python or scripting for automating data comparison and validation tasks

Data Testing Engineer

San Juan, PR · On-site

$70 - $100/hr

Job Summary We are seeking a detail-oriented and analytical Data Testing Engineer to ensure the ... Working knowledge of Python or scripting for automating data comparison and validation tasks

Showing results 41-60

Junior Python Developer information

What is a junior Python developer?

A Junior Python Developer is an entry-level software developer who specializes in writing, testing, and maintaining code using the Python programming language. They typically work under the guidance of senior developers and assist in building applications, fixing bugs, and improving performance. Their responsibilities may include writing scripts, working with databases, and integrating third-party services. Strong problem-solving skills, knowledge of Python frameworks like Django or Flask, and familiarity with version control systems like Git are often required. Junior developers are expected to learn quickly and contribute to the development team while gaining hands-on experience.

What are the typical daily responsibilities of a junior Python developer?

As a Junior Python Developer, your daily tasks may include writing and testing code, fixing bugs, and participating in code reviews alongside more experienced developers. You'll often work on modules or features under the guidance of senior team members, attend stand-up meetings, and update project documentation as needed. Collaboration with frontend developers, QA testers, and project managers is common, especially when integrating systems or implementing new features. Over time, you can expect to take on more complex tasks and gradually build your expertise through mentorship and hands-on project work.

What are the key skills and qualifications needed to thrive in the junior Python developer position?

To thrive as a Junior Python Developer, you need a solid foundation in Python programming, an understanding of computer science fundamentals, and often a relevant degree or coursework. Familiarity with version control systems like Git, basic experience with web frameworks such as Flask or Django, and knowledge of databases are commonly expected, while certifications like PCEP can be advantageous. Attention to detail, a willingness to learn, effective problem-solving, and strong communication skills are essential soft skills for this role. These competencies ensure you can contribute efficiently to software development projects, adapt to new challenges, and collaborate well within a development team.

Is there a demand for junior Python developers?

There is strong demand for junior Python developers across various industries, including web development, data analysis, and automation. Companies seek candidates with basic programming skills, knowledge of frameworks like Django or Flask, and familiarity with version control tools such as Git. Entry-level positions are available in both startups and established organizations, reflecting Python's popularity and versatility.

What does a junior Python developer do?

A junior Python developer writes, tests, and maintains Python code for software applications under supervision. They often work on tasks such as debugging, implementing features, and collaborating with team members using tools like version control systems. Basic knowledge of programming concepts and familiarity with frameworks like Django or Flask are typically required.

What are the most commonly searched types of Python Developer jobs in Puerto Rico?

The most popular types of Python Developer jobs in Puerto Rico are:

What are popular job titles related to Junior Python Developer jobs in Puerto Rico?

For Junior Python Developer jobs in Puerto Rico, the most frequently searched job titles are:

What job categories do people searching Junior Python Developer jobs in Puerto Rico look for?

The top searched job categories for Junior Python Developer jobs in Puerto Rico are:

Infographic showing various Junior Python Developer job openings in Puerto Rico as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution.

Lead Substation Engineer 1 - Grid

Sargent & Lundy

San Juan, PR • Hybrid

$99K - $131K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 21 days ago


Sargent & Lundy rating

8.4

Company rating: 8.4 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

121st of 453 rated engineering


Job description

Description

This position will offer you the ability to directly apply your knowledge of protective relaying and controls systems for HV and EHV substations. As a Lead Substation Engineer, you will:

  • Lead of an engineering and design team, you will work on a wide range of substation modifications and upgrades to support client requirements and reviews including creating calculations, document designs, and specifications.
  • Prepare relaying philosophies, including selecting relay, control, and communications equipment, developing SCADA and telecommunication concepts and configurations, and overseeing the preparation of I/O assignments and connection diagrams.
  • Guide junior and senior-level engineers and designers in protection and controls engineering design efforts, including providing guidance with the coordination of detailed design phases for all aspects of the engineering work.
  • Support assignments that include investigating, trouble-shooting, and solving a wide variety of engineering issues.
  • Perform analysis and design of single line diagrams, substation relaying & metering diagrams (i.e. A.C. schematic diagrams), and D.C. Schematic diagrams.
  • Prepare engineering studies for client and peer review.
  • Perform independent reviews of work performed by others including calculations and drawing preparation.
  • Coordinate and provide guidance to other engineers, project managers, client personnel, and suppliers to ensure a complete and timely design.
  • Perform reviews of existing facilities to propose upgrades and replacements, and present findings and recommendations to clients and peers.
  • Develop your career via peer-learning through sharing of knowledge with other experienced engineers by way of Sargent & Lundy's systems of process and associated "Communities of Practice."
  • Provide guidance as a mentor in the development of less experienced engineers.
  • There is the potential for you to travel to client and vendor offices for design reviews and to plant site locations for construction coordination and field verification of designs.

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.

Qualifications

We do not sponsor employees for work authorization in the U.S. for this position.

Essential skills and experience:

  • This position requires a Bachelor of Science degree from an ABET-accredited engineering program.
  • 10 or more years experience with a focus on protection / control / telecommunications for high voltage substations; including design, installation, and coordination.
  • PE license.
  • Experience with serving as firm/client liaison in a support or lead engineering role.
  • Experience in writing and providing support documentation for relay calculations.
  • Experience with the design techniques, tools, and principles involved in the production of technical plans, blueprints, drawings, and models.
  • Proficiency with any of the following programs: SKM, ETAP, ASPEN, CDEGS, or vendor software.
  • Familiarity with design codes and standards, such as NEC, NESC, NEMA, IEEE and ANSI.
  • Experience with various vendor protective relay equipment typically used in substation protection, including SEL, ABB, GE, Areva, and Basler.
  • Proficiency with MS Office applications.
  • Excellent written and verbal communication skills.
  • Must be fully bilingual in Spanish and English (read, speak, and write). 

Valued but not required skills and experience:

  • A BSEE degree is preferable.
  • Prior experience is desirable to include in-line, bus and equipment protection, breaker, transformer and similar equipment control, RTU and data concentrator based SCADA systems, telemetering and communications (fiber optics, microwave, power line carrier, etc.).
  • AutoCAD or MicroStation experience.
  • Construction and start-up experience.
  • Testing or commissioning experience.
AI & Automation at Sargent & Lundy

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.
Award-Winning Benefits

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
Equal Opportunity

Sargent & 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.

Employment Type: FULL_TIME

What Sargent & Lundy employees say

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About Sargent & Lundy

Sourced by ZipRecruiter

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

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