Mechanical Engineer II

Connelly & Wicker, Inc.; Jacksonville, Northern (FL, KY); Hybrid; USD 90,000 - 110,000; Full time

Job summary

PRIME AE Group, Inc. in Jacksonville, FL seeks a Mechanical Engineer II to join our team. You will design mechanical and plumbing systems across healthcare, education, commercial, and civic projects, collaborating with architects, engineers, and contractors to deliver coordinated construction documents.

You should have a BS in Mechanical Engineering and 7+ years of experience; PE license preferred. Proficiency with AutoCAD, Revit, BIM 360, and ACC is expected, along with strong communication and

Qualifications

• BS in Mechanical Engineering from an ABET-accredited program.
• 7+ years in mechanical and plumbing system design.
• PE license preferred.
• Experience with HVAC, hydronic, controls, plumbing systems.

Responsibilities

• Assist design of mechanical and plumbing systems for a variety of building types.
• Develop layouts and construction documentation from concept through final design phases.
• Coordinate with field staff, architects, contractors, and engineers to ensure compliance with project specifications and design intent during construction.
• Perform engineering calculations, system sizing, and technical analyses to support project development.

Skills

Mechanical design

Plumbing design

Communication skills

Project management

Education

Bachelor of Science in Mechanical Engineering

Tools

AutoCAD

Revit

BIM 360

ACC

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Mechanical Engineer II

Full Time Mechanical Engineer Florida - Jacksonville, Jacksonville, FL, US

30+ days ago Requisition ID: 1872

Salary Range: $90,000.00 To $110,000.00 Annually

We Make Everything Around Us Better

At PRIME AE, that’s not a slogan, it’s how we work.

Every bridge, building, campus, park, and roadway we design exists to improve how people live, move, learn, and connect. Through architecture, engineering, planning, and consulting, we partner with clients to create thoughtful, practical solutions that leave communities stronger than we found them.

If you want your work to matter, and to be surrounded by smart, collaborative people who care about doing things the right way, you’ll feel at home here.

Who We Are:

PRIME AE Group, Inc. (www.primeeng.com ) is a nationally ranked, full-service architecture and engineering firm driven by collaboration, innovation, and a commitment to strengthening the communities we serve. With a growing footprint of offices across the country and a diverse team of more than 550 professionals, we partner with public and private sector clients to deliver thoughtful, high-impact solutions across transportation, education, healthcare, municipal, federal, commercial, and recreational markets.

Our culture blends entrepreneurial energy with the resources of a scaled, multidisciplinary platform—giving our people the opportunity to shape meaningful projects while influencing the future direction of the firm. As PRIME AE continues to expand its capabilities, geographic reach, and leadership bench, this is an exciting time to join a team that is building momentum, investing in growth, and empowering leaders to make a lasting impact.

The Opportunity:

We are currently seeking a Mechanical Engineer II to join our Columbus, Akron, Baltimore, Jacksonville or Pensacola offices.

In this role, you will support the design and delivery of mechanical and plumbing systems across a diverse range of building types and market sectors. Working closely with senior engineers and multidisciplinary teams, you will contribute to system design, coordination, and construction documentation while ensuring compliance with project specifications and industry standards.

You will collaborate with architects, engineers, contractors, and field personnel to help deliver high-quality projects from concept through construction. This position offers an opportunity to grow technical expertise while contributing to complex, high-visibility projects within a collaborative and dynamic engineering environment.

Project types include Healthcare, Federal, Justice, K–12, Higher Education, Corporate Commercial, Pharmacy, Retail, Multifamily & Assisted Living, Hospitality, Cultural & Historic, Data Centers, Industrial, Residential, and Military/DoD facilities.

What You’ll Do:

As a Mechanical Engineer II, you will assist in the development of mechanical system designs, perform engineering analysis, and support project teams throughout the design and construction process. You will work under the guidance of senior engineers while taking increasing ownership of design tasks and coordination efforts.

Key Responsibilities:

• Assist in the design of mechanical and plumbing systems for a variety of building types and industry sectors.
• Develop mechanical system layouts and construction documentation from concept through final design phases.
• Coordinate with field staff, architects, contractors, and engineers to ensure compliance with project specifications and design intent during construction.
• Perform engineering calculations, system sizing, and technical analysis to support project development.
• Apply problem-solving techniques to develop efficient and innovative design solutions.
• Assist with preparation of construction drawings, technical reports, and project documentation.
• Support multidisciplinary coordination with electrical, structural, civil, and architectural teams.
• Provide guidance and technical support to junior staff as appropriate.

What You’ll Bring

• Bachelor of Science in Mechanical Engineering from an ABET-accredited engineering program.
• 7+ years of experience in mechanical and plumbing system design.
• Professional Engineer (PE) license preferred.
• Experience designing HVAC, hydronic, controls, and plumbing systems including domestic water, sanitary, and venting systems.
• Knowledge of medical gas and fire suppression systems is a plus.
• Proficiency with Autodesk AutoCAD, Revit, BIM 360, and Autodesk Construction Cloud (ACC).
• Experience with load calculation software such as Trane Trace or similar tools.
• Familiarity with applicable local, state, and federal codes and standards governing building system design.
• Ability to develop written specifications using AIA MasterSpec or SpecsIntact preferred.
• Strong analytical, organizational, and problem-solving skills.
• Excellent written and verbal communication abilities.
• Ability to manage multiple assignments and meet project deadlines.

Why PRIME AE:

We don’t just fill positions; we invest in people.

At PRIME AE, you’ll find a supportive, flexible environment where careers are built intentionally, not accidentally. You’ll work on projects that improve everyday life, alongside colleagues who challenge and respect one another.

What sets us apart:

• Career Growth: Flexible career paths across disciplines, from technical expertise to project and people leadership.
• People-First Culture: We value trust, integrity, and collaboration, and we mean it.
• Meaningful Work: Projects that strengthen communities, infrastructure, and public spaces.
• Growth with Purpose: Strategic expansion backed by strong leadership and investment.
• National Reach, Local Feel: Big-firm resources with the agility and relationships of local offices.

Our Commitment:

PRIME AE Group is committed to creating an inclusive environment where differences are respected, voices are heard, and everyone has the opportunity to succeed.