William Tierra
Philly’s Pristine Cleaning Services
Upper Darby,PA
1
Certification
19
years of professional experience
Results-driven housekeeping leader with 15+ years of experience in property operations, team supervision, and high-standard cleanliness. Brings disciplined, mission-focused leadership from U.S. Army service, with a proven ability to streamline workflows, maintain strict sanitation compliance, and lead teams that deliver consistently excellent guest-ready environments.
Work History
Cleaning Manager / Site Supervisor
4 Years 5 Months- Manage daily labor needs and assign tasks to cleaning crews across multiple client sites.
- Work hands-on alongside the team to ensure all services are completed to company standards.
- Conduct quality-control inspections using customized scorecards to maintain consistent service excellence.
- Maintain compliance with OSHA guidelines, chemical handling protocols, PPE requirements, and EPA-regulated cleaning products.
- Track and order consumables inventory for client locations, ensuring accurate usage and timely replenishment.
- Communicate professionally with team members, upper management, and customers to maintain strong relationships.
- Resolve conflicts quickly and effectively to maintain a positive, productive work environment.
- Prepare and submit weekly progress reports tailored to each site’s requirements.
- Assist with recruiting, interviewing, and onboarding new employees.
- Perform additional duties as needed to ensure all work is completed correctly and on schedule.
- Demonstrate a strong passion for high-quality service and operational excellence.
Project Manager
7 Years- Oversaw renovation and property maintenance projects including cleaning, room refreshes, painting, repairs, and post-construction turnover.
- Ensured all work areas were cleaned, sanitized, and disinfected according to enhanced COVID-19 safety protocols, including high-touch surface treatment and proper PPE usage.
- Implemented COVID-19 cleaning procedures to protect clients, staff, and subcontractors while maintaining uninterrupted project operations.
- Managed project timelines, materials, and subcontractors while upholding strict standards of cleanliness, safety, and regulatory compliance.
- Coordinated supply ordering during COVID-19 shortages, ensuring availability of disinfectants, PPE, and sanitation materials.
- Maintained detailed documentation of cleaning procedures and safety measures to meet client and industry expectations.
8 Years
- Managed logistics operations across forward operating bases, optimizing supply chain efficiency and resource allocation.
- Ensured procurement aligned with mission needs while on deployment in Afghanistan.
- Coordinated with military personnel, contractors, and Operations & Maintenance (O&M) teams to maintain operational readiness and compliance with military protocols.
- Conducting routine inspections, verified performance and ensured the delivery of essential supplies in time.
- Developed training programs to enhance workforce effectiveness and adapt logistics strategies to evolving mission requirements.
Education
BS - Business Administration
Skills
Team supervision and motivation
Conflict resolution and problem-solving
Communication and interpersonal skills
Attention to detail and organization
Customer service and complaint handling
Adaptability and decision-making
Knowledge of cleaning techniques and sanitation standards
Microsoft office proficiency
Certification
- OSHA
- EPA
- HVAC Diploma
- ELECTRICAL Diploma
Languages
Spanish
Full Professional
Timeline
Cleaning Manager / Site Supervisor
Philly’s Pristine Cleaning Services
01.2022 - CurrentRead More
Project Manager
Fresh Look Renovation
01.2015 - 01.2022Read More
U.S. Army Fort Campbell
01.2007 - 01.2015Read More
Drexel University
BS from Business Administration
Read More