Site Project Engineering Manager
Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Sep 21, 2026.
At GAF Commercial we cover more than buildings. We cover each other. No matter what role, tenure, or department, under this roof you are helping to build the market leader in commercial roofing. Under this roof, we are assembling a winning team that puts the customer at the center of every decision and doesn't back down from hard work. Under this roof, we support one another in delivering operational excellence daily, while working to make a positive impact for our planet and our communities. Becoming the market leader only happens when everyone feels they have the opportunity, and the support, to thrive. We are GAF. And under this roof, we protect what matters most.
Job Summary
The Site Project Engineering Manager will function as a key member of the Siplast leadership team and GAF Commercial network. This individual will lead the site project engineering team and will be responsible for providing project engineering services to the organization by coordinating development between Production, Maintenance, Technical Services, Supply Chain, Research and Development, and Quality Assurance.
Essential Duties
- Coordinate development, submission, and approval of annual and five-year capital plan(s). Coordinate, update, and maintain the strategic roadmap for the site.
- Ensure successful completion of the Site Capital Project Plan meeting the objectives of the projects, on-time and on-budget as planned. Host Quarterly review with plant leadership. Serve as the primary point of contact for rapid response engineering efforts to address high-priority, tight timeline efforts across the site.
- Maintain and update accurate site capital spending forecasts and provide project and spending updates to site leadership. Ensure site monthly fixed asset additions/retirements are completed along with annual fixed asset auditing.
- Responsible for reviewing Authority For Capital Expenditure (AFCE) requests to ensure they are aligned with the strategic direction of the company, and that they comply with GAF Capital Spending policies and procedures. Review new equipment designs and recommend modifications to minimize cost, support production needs, and enhance safety.
- Develop and present business cases to Senior Leadership for large capital projects. Support Senior Director with large capital project preliminary review submissions (Large Capital Intake Process).
- Support new product development and manufacturing with equipment/material development, installation, and start-up.
- Set the standard within the department for documentation control (AutoCAD drawings file standards, MOC’s for equipment installs & modifications, etc.)
- Serve as the site technical expert for equipment and process-related issues. Support and participate in plant problem-solving in mechanical, electrical, and instrument are as requested by Production/Maintenance. Provide technical engineering support for the Plant continually. (participate in RCFA process for operations looking for future Capital project improvements).
- Proactively evaluate value-added benefits of short-term and long-term continuous improvement opportunities through capital project execution.
- Maintain thorough engineering standards for project design and execution, feasibility analysis, equipment standards, safety, construction, execution, and site implementation.
- Evaluate and design new equipment systems, and recommend modifications for continuous improvement to minimize cost, optimize maintenance and production capabilities, and enhance safety.
- Provide support for corporate-level initiatives throughout the life cycle of the project’s activities. Set the department standard for Capex cost tracking. Manage Capex project within 10%, detail report out to leadership.
- Ensure that complete plant drawings exist and P&IDs are kept up-to-date.
- Hire, train, develop, and evaluate all site project engineers to ensure adequate capabilities and provide a talent pipeline for the greater organization. Identifying development opportunities for direct reports. Ensure training of individuals in technical engineering skills, GAF project management methodology, leadership, communications, and business acumen. Manage the plant project Engineering Co-op Program to evaluate talent and prepare engineering students for roles as full-time project engineers at GAF creating a pipeline of rotation engineering candidates.
- Drive engagement between the Project Engineering team and the Front Line Operations team. Serve as Primary liaison between the Site and the Corporate Project Engineering team.
Qualifications Required
- Bachelor's degree in Mechanical, Electrical, or Chemical Engineering. (Mechanical Engineering a plus)
- 10 years’ engineering experience in a manufacturing setting.
- Experience managing and leading teams directly. Proven record of developing Engineers.
- Experience in Project Management with a demonstrated record of success.
Technical Knowledge, Skills and Abilities
- Thorough knowledge of Statistics, Statistical Process Control (SPC), Design of Experiments (DOE), Root Cause Analysis, Variable Process Control, and Kepner Tregoe Rational Process
- Detailed Engineering capability applicable to a Continuous Web manufacturing process
- Advanced skills in project planning, project estimation, and engineering resource allocation
- Intermediate skills in Autocad, and ability to read detailed machine drawings.
- Excellent communication skills: written, verbal and listening
- Demonstrated advanced proficiency in Google Suite and/or Microsoft Office
- Excellent planning and organizational skills including ability to manage multiple priorities simultaneously
- Demonstrated skill in problem solving, statistical expertise and leading problem solving teams
- Intermediate financial/budgetary understanding including project management budgetary understanding and capabilities
- Ability to lead and direct the work
Qualifications Preferred
- Experience working in a continuous web manufacturing environment
- Experience and application of standard Manufacturing concepts, practices, and procedures
- Demonstrated expertise in a multi-discipline engineering role
- Advanced degree and/or professional registration
How We Protect What Matters Most:
1. We offer a wide range of health insurance options that include medical, dental, and vision for you and your family. 2. Our Family-Building benefits support the many different journeys to fertility and parenthood. 3. Our robust 401K plan includes an employer match contribution with your pre-tax and/or Roth contributions. 4. Other exciting programs and perks are available to help employees achieve work-life balance, including (but not limited to) a wellness program, free financial coaching, a referral program, and product rebates when purchased for an employee’s primary residence. 5. Professional growth and development are very important to us! We offer internal training programs and courses, as well as a generous tuition reimbursement program. 6. We're committed to fostering a culture that reflects our values to connect, empower, evolve, and inspire. We offer many opportunities for employees to connect with one another, including through our Employee Resource Groups who focus on education and allyship for all of our employees.GAF complies with federal, state, and local disability laws and makes reasonable accommodations for applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact HR Services at 833-HR-XPERT.
At Siplast, we believe our employees are our greatest resource. We offer competitive salary, benefits, and vacation package for all full-time permanent positions. Siplast is proud to be an equal opportunity workplace.
We are committed to equal employment opportunity on the basis of each candidate's qualifications, experience, and merit, without regard to race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know. Must be eligible to work in the U.S. without need for employer-sponsored visa (work permit).
If you are an internal employee, please do not apply here. Please click on the Careers bubble in Workday, which can be accessed via the HR Portal.