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Assistant Construction Project Manager

Job in San Antonio, Bexar County, Texas, 78208, USA
Listing for: Lemartec Corporation, a MasTec company
Per diem position
Listed on 2026-01-12
Job specializations:
  • Management
    Operations Manager, Program / Project Manager, Contracts Manager
  • Construction
    Operations Manager
Salary/Wage Range or Industry Benchmark: 70000 - 90000 USD Yearly USD 70000.00 90000.00 YEAR
Job Description & How to Apply Below

Apply for the Assistant Construction Project Manager role at Lemartec Corporation, a Mas Tec company.

Overview

The Assistant Project Manager assists the assigned Project Manager in planning, managing direction, project completion, client satisfaction, and financial outcome of assigned construction projects. The ideal candidate assists the Project Manager in coordinating contractual requirements, design drawings, and project specifications.

Location & Travel Details

Travel across the US, up to 100% time, potentially on projects in NC, VA, GA, TX, FL, IA, WY. Typical assignment 6-8 months per project. Eligible for daily per diem, vehicle allowance, and travel home rotation one weekend per month away from the jobsite.

Company Overview

Founded in 1979, Lemartec is a national General Contractor / Construction Management Firm and Mas Tec’s Vertical construction arm. It provides construction services for industrial, aviation, power, and large commercial projects, across 16 disciplines. Mas Tec’s Clean Energy and Infrastructure Group (CE&I) is a $4B annual revenue business providing services for industrial facilities, solar, wind, etc.

Responsibilities
  • On‑Site Project Management
  • Project Coordination & Project Controls
  • Construction Billings & Cash Projections
  • Cost tracking for sequential costing
  • Job Cost Analysis
  • Project Schedule Adherence
  • Weekly OAC Meetings
  • Meeting Minutes and Documentation
  • Project Monthly Report Generation
  • Job Costing Reports
  • Payment Verification Application
  • Contract Administration
  • Punch‑List Management
  • Warranty Review & Procurement
  • As‑Built Document Procurement
Qualifications
  • Bachelor’s degree in Construction Management or related field
  • 3‑5 years work experience in the construction industry (or 7+ years experience if no degree)
Knowledge, Skills, and Abilities
  • Proven ability to manage multiple projects/activities in a dynamic fast‑paced environment
  • Superior communication and organizational skills
  • Strong interpersonal skills and ability to work with and manage cross‑functional teams
  • Experience with Microsoft Office
  • OSHA Certification
  • Project Scheduling Experience
  • Document Control Experience
Preferred Qualifications
  • Experience in projects greater than $20 million
  • Ability to travel within the U.S.
  • Bilingual (English/Spanish)
Benefits
  • Financial Wellbeing: Compensation $70,000-$90,000/year, competitive pay with ongoing performance review and merit increase, 401(k) with company match & Employee Stock Purchase Plan (ESPP), flexible spending account (Healthcare & Dependent care).
  • Health & Wellness: Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children;
    Diabetes Management;
    Telehealth Coverage;
    Prescription Drug Plan;
    Pet Insurance.
  • Family & Lifestyle: Paid Time Off, Paid Holidays, Bereavement Leave, Military Leave with Differential Pay and Benefits Continuation, Employee Assistance Program.
  • Planning for the Unexpected: Short and long‑term disability, life insurance, accidental death & dismemberment; voluntary life insurance; accident & critical illness, hospital indemnity coverage; emergency travel assistance program; group legal plan.

Position may be subject to pre‑employment screening, which may include background check and drug testing. Accessibility:
If you need accommodation as part of the employment process, contact  Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up‑to‑date information.

Mas Tec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories.

It is also Mas Tec's policy to comply with all applicable state, federal and local laws regarding consideration of unemployment status in making hiring decisions.

Mas Tec Clean Energy & Infrastructure and our subsidiaries do not work with any third‑party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.

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Position Requirements
5+ Years work experience
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