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What does an internship Ruby developer do?

An Internship Ruby Developer is an entry-level developer who assists in creating, testing, and maintaining web applications using the Ruby programming language, often within the Ruby on Rails framework. Interns typically work under the guidance of senior developers, contributing to coding tasks, debugging, and learning best practices in software development. They gain hands-on experience with real projects, improve their coding skills, and learn how to collaborate within a professional development team. This internship is an excellent opportunity for students or recent graduates to build a foundation for a career in software engineering.

What typical projects or tasks can an internship Ruby developer expect to work on during their internship?

As an Internship Ruby Developer, you can expect to work on tasks such as writing and debugging Ruby code, assisting with the development of web applications using frameworks like Ruby on Rails, and collaborating with senior developers on code reviews and feature implementation. You might also be involved in writing automated tests, fixing bugs, and contributing to documentation. Interns often participate in daily stand-ups and team meetings, providing valuable learning opportunities through mentorship and feedback from experienced developers.

What are the key skills and qualifications needed to thrive as an internship Ruby developer, and why are they important?

To thrive as an Internship Ruby Developer, you need a solid understanding of Ruby programming, basic web development concepts, and foundational knowledge of computer science principles. Familiarity with tools like Ruby on Rails, Git version control, and relational databases is typically expected in this role. Strong problem-solving skills, eagerness to learn, and effective communication help interns stand out and integrate into development teams. These skills and qualities are crucial for quickly adapting to real-world projects, collaborating with colleagues, and contributing meaningful code as a junior developer.

Are internship Ruby developers in demand?

Internship Ruby developers are in moderate demand as companies seek entry-level programmers familiar with Ruby and frameworks like Rails. Skills in web development, problem-solving, and version control tools such as Git can enhance job prospects in this field.

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Infographic showing various Internship Ruby Developer job openings in New Jersey as of August 2026, with employment types broken down into 10% Internship, 69% Full Time, 18% Part Time, 2% Temporary, and 1% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Energy Engineer: Energy Modeling

Harris Energy Solutions

Piscataway, NJ

$70K - $82K/yr

Full-time

Re-posted 5 days ago

Job description

Position Overview

Harris Energy Solutions, LLC (HES) is a nationwide Energy Consulting Services firm. HES offers a full suite of consulting services, including Building Energy Modeling, Renewable Energy Consulting, Master Planning, Energy Audit, Building Commissioning, Measurement and Verification, and Building Retro-Commissioning. We pride ourselves on the work we perform and the services we provide. HES is hiring an Energy Engineer specializing in Energy Modeling to join our team.

The Energy Engineer (Energy Modeling) will perform whole-building energy simulations to support design decisions, code compliance, certification programs, and decarbonization planning. This role focuses on accurate, well-documented building energy models that translate design intent into actionable energy and cost insights.

Responsibilities

  • Perform Whole-Building Energy Modeling: Develop baseline and proposed energy models in eQUEST, OpenStudio/EnergyPlus, IES-VE, Trane TRACE 3D Plus, or Carrier HAP for new construction, major renovation, and retrofit projects.
  • Drawing and Specification Review: Review architectural, mechanical, electrical, plumbing, and envelope documents to identify model inputs, including geometry, constructions, occupancy, lighting, plug loads, HVAC systems, and operating schedules.
  • Code Compliance and Certification Modeling: Produce ASHRAE 90.1 Appendix G performance-path models, IECC compliance models, and certification submissions for LEED EAp2/EAc1, ENERGY STAR, Passive House, and similar programs.
  • Support Local Decarbonization Compliance: Develop models supporting compliance with local laws and stretch codes (e.g., NYC Local Law 97, Title 24, Boston BERDO, Washington Clean Buildings Act).
  • Parametric and Design Optimization Studies: Run parametric analyses on envelope, HVAC systems, controls, and renewable energy options; quantify life-cycle cost and carbon impacts to support design decisions.
  • Calibrate Existing Building Models: Calibrate energy models against utility billing or interval data per ASHRAE Guideline 14 standards for retro-commissioning, deep retrofit, and ESPC projects.
  • Renewable Energy Modeling: Support photovoltaic, solar thermal, geothermal, and battery storage modeling using tools such as PVsyst, SAM, and integrated simulation tools.
  • Generate Technical Reports: Author energy modeling reports, narratives, and exhibits suitable for clients, design teams, certification reviewers, and authorities having jurisdiction.

Requirements

  • Bachelor's in engineering (Mechanical, Architectural, Electrical, or Facilities) or Building Science
  • 1-3 years of energy modeling experience, including at least one internship, co-op, or full-time role
  • Hands-on experience with at least one of: eQUEST, OpenStudio/EnergyPlus, IES-VE, Trane TRACE 3D Plus, or Carrier HAP
  • Working knowledge of ASHRAE 90.1 (especially Appendix G), ASHRAE 62.1, and applicable energy codes (IECC, Title 24, state stretch codes)
  • Understanding of HVAC system types, controls, building envelope, and renewable systems
  • Familiarity with LEED energy modeling submission requirements preferred
  • Strong Excel skills; experience with Python, Ruby, or scripting against modeling tools is a plus
  • Experience with large commercial and multi-family buildings preferred but not necessary
  • EIT, BEMP, CEM, or LEED AP BD+C credential preferred (or willingness to obtain)
  • Travel throughout the United States as required by project workload

Personal Qualifications

  • Strong analytical, writing, and presentation skills
  • Passionate about mitigating climate change
  • Collaborative and a strong team player
  • Self-motivated with the ability to multitask and pay attention to detail
  • Ability to work independently and within a team environment
  • Enthusiasm to learn and grow as a professional

Applicants must be legally authorized to work in the U.S. without the need for current or future employer-sponsored work authorization

Job Type: Full-time

Pay: $70,000.00 - $82,000.00 per year

Benefits

  • 401(k) (Traditional and Roth options)
  • 401(k) Safe Harbor
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • HSA option
  • Paid Time Off
  • Paid Holidays
  • Profit Share Plan
  • Company Covered Disability Insurance (LTD, STD)
  • Company Covered Life Insurance
  • Company Covered Financial Advising

Schedule

  • 8-hour shift
  • Hybrid with 3 office days

Work Location: Piscataway, NJ & Whitestone, NY (Hybrid - T/W/Th in office)

EEO Statement: All qualified applicants will receive consideration for employment without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, or sex.