Assistant Project Manager

DACON, the construction business unit of Dashiell Corporation, an operating company of Quanta Services (NYSE: PWR), specializes in the construction of medium‑ and high‑voltage electrical infrastructure. DACON delivers construction services across substations and power systems, supporting electric utilities, power generation, industrial, petrochemical, and renewable energy clients.

Backed by more than 60 years of experience through Dashiell, DACON provides field‑proven expertise in substation construction, equipment installation, cable systems, and energized infrastructure projects. DACON is part of a nationwide network of Quanta Services companies delivering safe, reliable, and high‑quality electrical construction solutions. Learn more at

The Assistant Project Manager supports the planning, coordination, and execution of electrical construction projects within DACON’s substation and power systems portfolio. Working closely with Project Managers and Senior Project Managers, the Assistant Project Manager develops foundational project management and estimating skills while contributing directly to project delivery across the full lifecycle — from pre‑construction planning and bid support through project closeout.

The position will be based in our Deer Park, Texas office located at 1300 Underwood Rd, Deer Park, TX 77536 and will report to DACON’s Vice President of Project Management.

• Assist in the development and maintenance of project schedules, budgets, and cost reports for substation and medium‑to‑high‑voltage electrical construction projects.
• Support project managers in coordinating subcontracts, purchase orders, and materials procurement activities.
• Monitor project progress against established milestones; identify and report schedule or budget variances to the Project Manager.
• Prepare and distribute project documentation including meeting minutes, RFIs, submittals, transmittals, and daily reports.
• Coordinate with field supervision, engineering, procurement, and client representatives to facilitate timely project execution.
• Support the development and tracking of project change orders; maintain accurate change‑management logs.
• Assist with project invoicing, cost coding, and review of labor and material costs against project budgets.
• Participate in project safety planning activities and promote adherence to DACON’s safety culture on all projects.
• Assist in preparation of project status reports and presentations for internal and client stakeholders.
• Support the estimating team in preparing quantity take‑offs, material lists, and subcontractor scope packages for high‑voltage and power construction bid projects.
• Assist with the assembly and organization of estimate supporting documentation including drawings, specifications, and vendor quotes.
• Participate in pre‑bid site walks and assist in identifying constructability considerations for inclusion in project estimates.
• Perform special projects and complete other duties as assigned or requested.

• Contribute to on‑time, on‑budget project delivery by providing reliable administrative and coordination support across the project lifecycle.
• Help maintain client satisfaction by ensuring accurate documentation, clear communication, and timely follow‑up on project action items.
• Support a strong safety culture by actively participating in safety planning and reinforcing safe work practices on project sites.
• Enable the project management team to operate efficiently by managing information flow and project documentation with accuracy and attention to detail.
• Build foundational estimating skills that contribute to competitive and accurate bids for high‑voltage and power construction opportunities.

• Bachelor’s degree in Construction Management, Civil Engineering, Electrical Engineering, or a related technical field; relevant field experience may be considered in lieu of a degree on a year‑for‑year basis (4 years = Bachelor’s equivalent).
• Minimum 2 years of experience in project coordination, construction administration, or field engineering, preferably in electrical…