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Allegiance Group · Allentown, Pennsylvania
Senior Mechanical Engineer
Allentown, PA
Our client is a full-service HVAC and mechanical contractor with offices and sister companies across the Northeast. The Allentown office is the group's only design hub, delivering mechanical design for clients across the Lehigh Valley and supporting the wider group when needed.
The Role
Lead the engineering and design effort for mechanical and plumbing projects. This role is well suited for an experienced engineer who enjoys owning projects, working directly with clients, mentoring developing staff, and turning field conditions and project goals into coordinated, code-compliant, construction-ready solutions. You'll be accountable for technical quality, project execution and day-to-day engineering coordination on assigned work.
You'll join the Allentown design team as an engineer of record, alongside a PE-licensed Director and a PE-licensed Senior Engineer, and help mentor junior designers on their path to becoming engineers.
This is a client-facing role. Beyond the design work, the team needs a strong communicator who can meet clients, run site surveys and explain technical decisions clearly.
Key responsibilities
Lead the engineering and design effort on mechanical and plumbing projects, from concept to construction documents
Own technical quality, project execution and day-to-day engineering coordination on assigned work
Turn field conditions and project goals into coordinated, code-compliant, construction-ready designs
Design HVAC, plumbing and sheet metal systems, including load calculations and equipment sizing
Act as engineer of record on projects (once PE-licensed)
Meet clients, carry out site surveys and present design solutions
Support design needs for the wider group's offices across the Northeast as required
What we're looking for
Essential
Hands-on HVAC, plumbing and sheet metal design
Professional Engineer (PE) license
If not yet licensed, a clear commitment to obtaining the PE
Experience mentoring or supervising junior designers
Interested? APPLY NOW
clayton@allegiance-grp.com
(689) 232-0072
Details
| Company | Allegiance Group |
| Location | Allentown, Pennsylvania |
| Type | FULL TIME |
| Niche | Engineering professionals (excluding electrotechnology) |