Assistant Commercial Project Manager — NGFS Alternative Energy Division (PM Growth Track)

Company Name: Cissell Mueller Construction, Inc. / NGFS (Natural Gas Fueling Solutions)

Location: St. Peters, MO (St. Louis Metro / Regional Project Deployment Up to 75% Travel Required)

Job Type: Full Time, Permanent

Schedule: Full Time, Monday through Friday

Industry: Alternative Energy Infrastructure, Compressed/Liquefied Natural Gas (CNG/LNG), Commercial General Contracting, Site Development, and Design-Build

Pay Scale: $70,000.00 to $85,000.00 base annual salary based on experience

Incentives: Structured Performance Bonuses, Conditional Monthly Truck & Fleet Allowance, Corporate Fuel Card, Executive Mentorship Program, Corporate 401(k) with Guaranteed 3% Match (upon 1-year eligibility), Comprehensive Medical Plan with Company Contributions, Company-Paid OSHA 30 Certification

The Opportunity

Cissell Mueller Construction, Inc. is seeking an ambitious Assistant Commercial Project Manager — NGFS Alternative Energy Division (PM Growth Track) to join our project management team based out of St. Peters, MO.

Designed as a structured career bridge for high-performing Project Engineers (PEs) and Assistant PMs, this position provides a defined, milestone-driven pathway to full Project Manager (PM) autonomy within our specialized alternative energy arm, NGFS (Natural Gas Fueling Solutions). Working directly alongside senior corporate executives and experienced PMs, you will take operational ownership over trade procurements, subcontractor buyouts, RFI engineering, submittal workflows, process piping details, and master scheduling across nationwide alternative energy infrastructure and commercial site development projects. If you bring 2 or more years of commercial or industrial construction experience, blueprint reading fluency, and a desire to master project financial structures under 1-on-1 executive mentorship, Cissell Mueller Construction provides competitive compensation, travel allowances, and a fast-track platform to build your legacy.

The Structured PM Career Pathway

Stage 1 — Foundation (Project Engineer): Master document control, submittals, RFI engineering, process piping details, as-builts, and initial site field data capture.

Stage 2 — Acceleration (Assistant Project Manager - Your Role): Learn financial buyout strategies, master critical path CPM modeling, manage trade change orders, and co-lead client-facing OAC meetings under executive mentorship.

Stage 3 — Full Autonomy (Project Manager): Graduate to take complete profit-and-loss (P&L) ownership, commanding multi-million dollar commercial and energy infrastructure portfolios.

Key Responsibilities

• Subcontractor Procurement & Buyout: Coordinate project buyout phases, evaluate vendor scope coverage, and draft detailed subcontracts under PM guidance to learn contract risk allocation across commercial and energy scopes.
• Information Architecture & Submittal Management: Command the submission, engineering review, and tracking of critical material submittals, equipment packages (compressors, dispensers, pressure vessels), and shop drawings to prevent jobsite delays.
• Schedule Architecture & CPM Modeling: Update, analyze, and maintain master project schedules using Microsoft Project to ensure on-time critical path delivery and balanced trade sequencing.
• RFI Engineering & Specification Audits: Formulate, track, and resolve Request for Information (RFI) logs by auditing architectural plans, structural drawings, civil site specs, and P&ID schematics.
• Financial Budget Accountability: Monitor real-time job costing, process trade change orders, audit equipment rentals, and assist with AIA progress billing packages to protect project margins.
• Field Safety Audits & Site Inspections: Conduct routine site inspections alongside field superintendents to enforce corporate safety policies, hazardous area classifications, and OSHA regulations across active job sites.
• Document Control & Data Transparency: Manage digital document distribution (using Bluebeam Revu and project management software) to ensure office and field teams maintain current plan sets.

What You Need to Succeed (Qualifications)

Required

• Professional Tenure: Minimum 2 years of verified experience as a Project Engineer (PE), Assistant Project Manager (APM), or in a closely related commercial/industrial construction management role.
• Educational Foundation: Bachelor's Degree in Construction Management, Civil Engineering, Mechanical Engineering, or a related technical discipline (or an equivalent combination of technical trade education and commercial field experience).
• Blueprint & Spec Literacy: High proficiency in reading, navigating, and cross-referencing architectural blueprints, structural engineering details, civil site plans, and technical piping specifications.
• Software Infrastructure Mastery: Proficiency with Bluebeam Revu, Microsoft Project, and the Microsoft Office 365 suite (Advanced Excel).
• Mobility & Travel Flexibility: Complete willingness and flexibility to travel up to 75% to regional and national jobsite assignments as project schedules dictate.

Preferred

• Specialized Scope Interest: Experience or strong interest in alternative energy infrastructure (natural gas fueling, CNG, LNG, RNG, or process mechanical systems).
• Growth Ambition: A clear desire to absorb structured training and advance rapidly into a full Project Manager role with complete P&L responsibility.
• Technical Civil/Industrial Knowledge: Functional understanding of site development, heavy equipment coordination, concrete footings, pressure piping, and commercial building means and methods.
• Safety Certifications: Active OSHA 30-Hour Construction Safety Certification.

Compensation & Benefits

• Competitive Base Salary: $70,000.00 to $85,000.00 base annual salary customized directly to commercial and technical construction background.
• Fleet & Travel Provisions: Dedicated monthly corporate truck allowance (for months where travel applies), company fuel card, and monthly cell phone/technology stipend.
• Structured Executive Mentorship: Direct 1-on-1 mentorship pairing with executive leaders, weekly project review workshops, and clear milestone tracking toward full PM promotion.
• Performance Upside: Direct eligibility for structured corporate performance bonuses driven by project completion, safety metrics, and execution quality.
• Wealth & Retirement: Corporate 401(k) retirement savings plan featuring a guaranteed 3% direct employer matching contribution upon eligibility (minimum of 1 year with the company).
• Health & Welfare: Comprehensive medical insurance coverage packaging with competitive company contributions alongside company-paid life insurance.
• Work-Life Balance: Earned Paid Time Off (PTO), dedicated personal sick leave, and paid company holidays.
• Professional Growth: Company-provided OSHA 30 training and ongoing technical skill development tracks.

About Cissell Mueller Construction, Inc. & NGFS

Cissell Mueller Construction, Inc. (CMCI) is a premier commercial general contractor recognized across the region for executing structural commercial builds, retail developments, and site projects with absolute integrity, speed, and precision. We foster a supportive, professional work climate anchored by customer satisfaction and internal career cultivation. Learn more about our commercial builds at https://builtbycm.com.

NGFS (Natural Gas Fueling Solutions) is a wholly owned subsidiary of CMCI and operates as the company’s specialized alternative energy infrastructure division. NGFS combines specialized energy infrastructure expertise with the construction experience and resources of CMCI to complete energy projects nationwide. Learn more about our energy experience at https://www.ngfs.com.

Selection choices are guided strictly by job-related capabilities, technical construction management skills, and verified performance records.