Top 809 Department leader Jobs in Wentzville Mo

Senior Mechanical Engineer - (QA/QC)
DOTec Professional Corporation —Saint Charles, MO
- $85,000 - $130,000 a year
- Full-time
- Hybrid work
- Office
- Residential
- Master's degree
- Paid holidays
- Health insurance
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2d
Staff Accountant
Hosack —O'Fallon, MO
- $65,000 a year
- Mid-level
- Office
- Bachelor's degree
- Paid holidays
- Health insurance
Outside Sales Representative
PestCo LLC —Saint Charles, MO
- Overtime
- Mid-level
- Residential
- Travel
- Health savings account
- Paid holidays
Quick Apply
Inventory Product Specialist, Graduate Gemologist
National Rarities LLC —St. Louis, MO
- Full-time
- Inventory management
- Office
- Analysis skills
- Paid holidays
- Disability insurance
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Training & LMS Program Manager
National Rarities LLC —St. Louis, MO
- Research
- 3 years
- Continuous improvement
- Paid holidays
- Disability insurance
Quick Apply
Senior Accountant
Dierbergs —Chesterfield, MO
- Full-time
- Hybrid work
- Oracle
- CPA
- 5 years
- Disability insurance
- Health insurance
Cook/Prep
Confidential —Saint Peters, MO
- From $18 an hour
- 8 hour shift
- Background check
- 18 years or older
- Management
- Health insurance
- Employee discount
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Industrial Maintenance Tech - Night Shift
Precoat Metals —Washington, MO
- $34.44 - $38.21 an hour
- Full-time
- Computer literacy
- Mid-level
- Windows
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Oncology Manager - Awesome Opportunity for Asst Manager with strong Operational Exp.
i4 Search Group —Missouri
- $83,200 - $135,000 a year
- Full-time
- Nursing
- RN License
- Hospital
- Health savings account
- Health insurance
Quick Apply
5d
Lead Golf Course Superintendent
Forest Hills Country Club —Chesterfield, MO
- $80,000 - $90,000 a year
- Overtime
- Mid-level
- 3 years
- Driver's License
- Paid holidays
- Health insurance
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10d
Senior Finance Manager
TRUE MANUFACTURING GROUP —O'Fallon, MO
- $180,000 - $210,000 a year
- Full-time
- Background check
- CPA
- Office
- Paid parental leave
- Health savings account
System Support Specialist
CCA GLOBAL PARTNERS —St. Louis, MO
- Full-time
- Hybrid work
- Microsoft Outlook
- Research
- Mid-level
Inshop
Jimmy John's —O'Fallon, MO
- From $15 an hour
- Overtime
- No education required
- Fast casual restaurant
- Basic math
- Paid training
- Health insurance
Quick Apply
Inshop
Jimmy John's —Lake Saint Louis, MO
- From $15 an hour
- Overtime
- No education required
- Fast casual restaurant
- Basic math
- Paid training
- Health insurance
Quick Apply
Nurse RN - Full Time
Blue Cloud Pediatric Surgery Centers —Bridgeton, MO
- Full-time
- Nursing
- Surgery
- Patient monitoring
- Paid holidays
- Paid time off
Quick Apply
Safety Engineering Specialist II (Systems)
Leonardo DRS —Bridgeton, MO
- $72,654 - $94,450 a year
- Full-time
- Hybrid work
- Engineering
- Mid-level
- Travel
- Paid parental leave
- Health savings account
Dental Assistant
Nuvia Dental Implant Center —St. Louis, MO
- $23 - $44 an hour
- Contract
- Dental office
- Surgery
- BLS Certification
- Paid training
- Disability insurance
Quick Apply
Director of Financial Planning, Analysis, & Treasury
i3 Broadband —Saint Peters, MO
- $140,000 - $175,000 a year
- Full-time
- Background check
- CPA
- ERP systems
- Health savings account
- Disability insurance
9d
Maintenance Production Manager
Wells Landscaping & Lawn Care, Inc. —Chesterfield, MO
- $70,000 - $80,000 a year
- Full-time
- Sales
- Heavy equipment operation
- Writing skills
- Paid training
- Paid holidays
Quick Apply
Senior Manager Operational Excellence
Leonardo DRS —Bridgeton, MO
- $116,811 - $157,695 a year
- Full-time
- Up to 50% travel
- 5 years
- Writing skills
- Paid parental leave
- Health savings account

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Senior Mechanical Engineer - (QA/QC)

DOTec Professional Corporation
Saint Charles, MO

Quick Apply

Job Details

Full-time
$85,000 - $130,000 a year
2 days ago

Benefits

Paid holidays
Health insurance
Dental insurance
Parental leave
Vision insurance
Opportunities for advancement
Life insurance

Qualifications

HVAC system design and layout
CAD software
Staff supervision
Teamwork
Project engineering
Team supervision
Technical documentation
Professional ethics
BIM model coordination
Mechanical Engineering
Plumbing building codes
Master's degree
Revit
Bachelor's degree in engineering
Mentoring
Design engineering
Leading team collaboration initiatives
Building code analysis
Design of mechanical systems
Building information modeling (BIM) tools
Professional Engineer
ASHRAE Standards
Consulting firm experience

Full Job Description

CAREER OPPORTUNITY | ST. CHARLES, MISSOURI

Senior Mechanical Engineer, PE

Full-Time | On-Site | Monday-Friday, 7:30 a.m.-4:00 p.m. Central Time

The Opportunity

DOTec is seeking a full-time Senior Mechanical Engineer, PE to lead mechanical building-system design and coordinated MEP delivery. This role combines hands-on engineering, responsible technical oversight, multidisciplinary MEP team leadership, quality control, mentoring, and collaboration with project managers, clients, contractors, and executive leadership.

The position is suited to a practical senior engineer who can advance projects from initial criteria through construction, organize mechanical, electrical, and plumbing teams, and make sound decisions while preserving public safety, code compliance, energy performance, constructability, maintainability, and quality. This position integrates MEP work while discipline-specific responsible charge and sealing remain with properly qualified licensed professionals. Project managers retain scope, schedule, budget, client, and administrative controls.

About DOTec

DOTec Professional Corporation is a multidisciplinary engineering and architectural firm headquartered in St. Charles, Missouri. Approximately 50 domestic employees and an extended network of approximately 70 contract professionals across five countries provide structural, mechanical, electrical, plumbing, civil, and architectural services across a diverse project portfolio.

We are intentionally multicultural and value the perspectives and strengths our team members bring to the work. Founder, owner, and CEO Dr. Ildefonso Gonzalez promotes personal achievement, continuous improvement, advanced education, professional licensure, and advancement from within. Approved licensure and credential-development expenses may qualify for reasonable reimbursement under Company policy.

What You Will Do

Lead mechanical building-system design, including loads, system selection, ventilation, heating and cooling, air distribution, hydronic and refrigerant piping, exhaust, central equipment, controls, and energy-efficiency measures.
Lead or coordinate plumbing design within demonstrated competence, including domestic water, sanitary and storm drainage, natural gas, equipment, utility interfaces, and fire-protection coordination.
Lead multidisciplinary MEP design teams of engineers, EITs, designers, and drafters; establish criteria, assignments, milestones, review points, priorities, and coordination expectations while providing practical mentoring and timely decisions.
Perform or review heating and cooling loads, ventilation analyses, duct and piping calculations, pump and fan selections, psychrometrics, energy-code documentation, equipment schedules, and basis-of-design records.
Review calculations, drawings, specifications, models, reports, and equipment selections for accuracy, code compliance, constructability, maintainability, commissioning readiness, and multidisciplinary coordination.
Coordinate with project managers, clients, authorities having jurisdiction, utilities, vendors, contractors, and other design professionals; communicate technical risks, staffing needs, scope changes, and additional-services requirements early.
Resolve permit comments, RFIs, submittals, field conditions, site-observation findings, and commissioning issues; improve MEP standards, details, checklists, and quality-control procedures. Assume responsible charge and seal documents only when legally authorized and personally directing and supervising the work.

What Success Looks Like

Mechanical and coordinated MEP deliverables are safe, code-aligned, energy-conscious, constructible, and issued through a predictable quality-control cadence.
Criteria, calculations, decisions, risks, and review dispositions are documented, and project managers receive reliable technical and staffing forecasts.
MEP teams work from clear milestones, while staff improve through direct mentoring, consistent standards, and accountable follow-through.

Required Qualifications

Bachelor's degree in mechanical engineering or mechanical-focused architectural engineering from an ABET-accredited or demonstrably equivalent program.
Active PE license in good standing in a U.S. jurisdiction; Missouri licensure is strongly preferred, otherwise eligibility and willingness to obtain it by comity within an agreed onboarding period.
Eight (8) or more years of progressively responsible A/E consulting or comparable mechanical-design experience, including building systems, construction-document delivery, and leadership of MEP teams.
Strong command of applicable adopted building, mechanical, plumbing, energy, accessibility, and life-safety requirements, including relevant IBC, IMC, IPC, IECC, ASHRAE, and NFPA provisions.
Experience with HVAC, controls, ventilation, hydronic or refrigerant distribution, equipment selection, energy compliance, construction services, and BIM coordination; proficiency with Revit and AutoCAD and familiarity with appropriate mechanical-design software.
Strong technical judgment, leadership, communication, documentation, mentoring, professional ethics, multicultural-team skills, regular on-site attendance, and occasional business travel.

Preferred Qualifications

Master's degree in mechanical engineering, architectural engineering, building science, energy systems, or a related field.
Multiple state PE registrations and prior service as engineer of record, MEP department or team leader, mechanical discipline lead, or senior technical reviewer.
Experience with central plants, heat-pump or decarbonization strategies, healthcare, laboratory, industrial, multifamily, mission-critical, renovation, commissioning, or advanced energy-modeling work.

Work Location and Schedule

This is a full-time, on-site position at DOTec's office at 118 North 2nd Street, Suite 200, St. Charles, Missouri 63301. The regular schedule is 7:30 a.m. to 4:00 p.m. Central Time, Monday through Friday. On-site presence is essential for MEP team leadership, supervision, mentoring, document review, and multidisciplinary coordination; no routine remote or hybrid arrangement is available. Occasional approved travel or site visits may be required. DOTec will consider reasonable accommodations as required by applicable law.

Compensation, Benefits, and Growth

Competitive compensation commensurate with experience, licensure, technical scope, leadership responsibility, and assigned duties.
Company-paid employee medical, dental, vision, and life insurance coverage, subject to plan eligibility and terms.
Annual paid vacation of two weeks during the first five years of service, three weeks from five through fewer than ten years of service, and four weeks beginning at ten years of service, administered under Company policy.
Six Company-paid holidays: New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, and Christmas Day.
Professional licensure and credential-development support, including reasonable reimbursement for approved expenses under Company policy, direct access to executive leadership, and meaningful advancement opportunities as the firm grows.

Work Authorization

DOTec does not offer employment-based immigration sponsorship for this position, now or in the future. This includes temporary nonimmigrant sponsorship and employment-based permanent-residence sponsorship, including F-1 CPT or OPT, H-1B, H-2A or H-2B, L-1, and TN classifications.

Equal Opportunity

DOTec Professional Corporation is an equal opportunity employer. Qualified applicants receive consideration without regard to legally protected status. Reasonable hiring accommodations are available. Employment is contingent upon required identity and work-authorization verification. This posting does not create an employment contract.

Pay: $85,000.00 - $130,000.00 per year

Benefits:

Dental insurance
Health insurance
Life insurance
Parental leave
Vision insurance

Work Location: In person

Quick Apply

Refine Your Search

department leader jobs in wentzville mo

Senior Mechanical Engineer - (QA/QC)

Staff Accountant

Outside Sales Representative

Inventory Product Specialist, Graduate Gemologist

Training & LMS Program Manager

Senior Accountant

Cook/Prep

Industrial Maintenance Tech - Night Shift

Oncology Manager - Awesome Opportunity for Asst Manager with strong Operational Exp.

Lead Golf Course Superintendent

Senior Finance Manager

System Support Specialist

Inshop

Inshop

Nurse RN - Full Time

Safety Engineering Specialist II (Systems)

Dental Assistant

Director of Financial Planning, Analysis, & Treasury

Maintenance Production Manager

Senior Manager Operational Excellence

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