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Assistant Project Manager

Mastec

Listing collected from Mastec's career site. NextChapter is independent of Mastec.

Brewerton, NY · Posted August 14, 2026

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About the job

Overview Three Phase Line Construction, Inc. (3Phase) has proven expertise in all areas of distribution, substation, transmission, and communication work. In every stage of every project, 3Phase adheres to the strictest environmental and safety compliances. With highly skilled professionals, advanced equipment, and an unprecedented work ethic, 3Phase takes pride in delivering the highest quality service by combining all three phases of electrical contracting: Safety, Service, and Productivity. 3Phase is a purpose-driven company. Our core values guide our strategy, performance, and culture. We believe in maintaining an environment where team members can make an impact, grow, and thrive. A place where they find meaning and purpose in doing the important work of ensuring communities have the vital energy, light, and communications to prosper. Our culture is inclusive and welcoming. Our teams are empowered with abundant training, tools, and opportunities to follow their curiosity and ambitions. Everyone has an equal chance to advance. Everyone is supported, respected, and challenged to be their best. We’re always looking for talented and dedicated people to join us and love where they work. 3Phase is a proud subsidiary of MasTec (NYSE: MTZ), a Fortune 500 Company ranked by Energy News-Record as one of the leading contractors in the country. 3Phase is part of the MasTec Power Delivery segment. We are certified as a minority-controlled company by the National Minority Suppliers Development Council (NMSDC). Our rich diversity of people and ideas makes us a stronger, more innovative organization. Job Description Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results. Responsibilities Help oversee a construction project from start to finish Manage day-to-day project activities including the POD and time sheets Assist in project planning, budgeting, and identification of resources needed Work with project manager to ensure understanding of all project activities, schedules and deliverables Help to manage client responsibilities and expectations Work with management to develop the objectives/goals of each member and assign individual responsibilities Ensure that construction activities move according to pre-determined schedule Monitor the progress of the construction activities on a regular basis Effective time management and logical decision-making ability Qualifications Skills & Abilities: Ability to multitask and maintain effectiveness with multiple priorities Professional demeanor; remain calm and emotionally controlled under pressure Ability to follow directions and take initiative when required Excellent communication, accounting and organizational skills Familiar with Microsoft Office and Timberline A basic to good understanding of construction means and methods Basic understanding/proficiency with spreadsheets, Email and other software used in the construction industry. Completed OSHA ET&D Training Physical Demands: Field visits to the job site Education and/or Work Experience: At least one of the following: Degree in Engineering/Construction Management Construction Management with 1-2 years of experience with a commercial and/or Industrial general contractor; 2+ years of directly related experience with no degree

Help oversee a construction project from start to finish Manage day-to-day project activities including the POD and time sheets Assist in project planning, budgeting, and identification of resources needed Work with project manager to ensure understanding of all project activities, schedules and deliverables Help to manage client responsibilities and expectations Work with management to develop the objectives/goals of each member and assign individual responsibilities Ensure that construction activities move according to pre-determined schedule Monitor the progress of the construction activities on a regular basis Effective time management and logical decision-making ability

Skills & Abilities: Ability to multitask and maintain effectiveness with multiple priorities Professional demeanor; remain calm and emotionally controlled under pressure Ability to follow directions and take initiative when required Excellent communication, accounting and organizational skills Familiar with Microsoft Office and Timberline A basic to good understanding of construction means and methods Basic understanding/proficiency with spreadsheets, Email and other software used in the construction industry. Completed OSHA ET&D Training Physical Demands: Field visits to the job site Education and/or Work Experience: At least one of the following: Degree in Engineering/Construction Management Construction Management with 1-2 years of experience with a commercial and/or Industrial general contractor; 2+ years of directly related experience with no degree