Temporary Project Manager Jobs in Rancho Cucamonga, CA

Job Title: Senior Capital Projects Portfolio Manager (Industrial Infrastructure)
Role Overview
We are seeking a Senior Capital Projects Portfolio Manager to lead a dynamic portfolio of high-value infrastructure projects. You will act as the primary owner for a suite of 20+ concurrent industrial construction initiatives, ensuring that every project-from initial scoping to final commissioning-meets our rigorous standards for budget, schedule, and quality.
This role is the bridge between internal engineering/operations teams and our most critical external industrial clients. We are looking for a project leader who is comfortable facilitating high-stakes construction meetings, navigating complex stakeholder relationships, and maintaining the financial health of a multi-million dollar portfolio. If you thrive in an environment where you are expected to deliver "industrial-grade" results while managing aggressive timelines, this is the ideal role for you.
Key Responsibilities
Portfolio Governance & Execution
• End-to-End Ownership: Oversee a diverse portfolio of 20+ concurrent construction/infrastructure projects. You are responsible for the total lifecycle-ensuring scope, budget, and timeline are met at every phase.
• Stakeholder Orchestration: Serve as the primary point of contact for internal staff and external clients. Build high-trust relationships that facilitate clear, transparent, and collaborative decision-making.
• Financial Stewardship: Manage the financial health of your portfolio. Track budget burn rates, forecast capital expenditures, and ensure that every project delivers its intended return on investment.
Project Leadership
• Meeting Facilitation: Lead and facilitate large-scale construction coordination meetings, ensuring that technical and operational teams remain aligned, accountable, and on-schedule.
• Risk Management: Proactively identify project risks-particularly regarding material procurement, site conditions, and scheduling bottlenecks-and implement mitigation strategies before they impact the project's success.
• Process Standardization: Develop and refine project management best practices to ensure that best-in-class methodologies are applied consistently across the entire portfolio.
Qualifications & Requirements
Minimum Qualifications
• Experience Baseline: Proven experience in large-scale construction or industrial infrastructure project management.
• Portfolio Mastery: Demonstrated success in managing a high volume of concurrent projects (20+).
• Communication: Exceptional verbal and written communication skills. You must be able to translate complex technical/construction schedules into clear updates for executive stakeholders.
• Organizational Rigor: Superior ability to prioritize competing responsibilities and manage resources across multiple projects simultaneously.
Preferred Attributes
• Certification: Project Management Professional (PMP) certification or equivalent professional credentials.
• Education: Bachelor's degree in Engineering, Construction Management, or a related field.
• Technical Literacy: Ability to read construction drawings, understand permit/zoning requirements, and navigate the typical lifecycle of industrial infrastructure delivery.
Equal Opportunity Employer / Disabled / Protected Veterans
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The pay transparency policy is available here:
https://www.dol.gov/sites/dolgov/files/ofccp/pdf/pay-transp_%20English_formattedESQA508c.pdf
For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.
We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.
AllSTEM Connections participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.
https://e-verify.uscis.gov/web/media/resourcesContents/E-Verify_Participation_Poster_ES.pdf
We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
Additional Skills
(none specified)
AllSTEM Representative Contact Info
Account Executive:
Nichols
Branch Phone:
(909) 244-1777
Location:
Ontario, CA