David Mccallister
Richmond,VA
Summary
Experienced with general cleaning tasks, ensuring sanitary environment. Utilizes effective cleaning techniques and supply management. Strong understanding of teamwork and reliability in maintaining cleanliness standards.
Overview
15
15
years of professional experience
Work History
Instructor
United States Army
01.2017 - 02.2022
- Promoted a positive learning environment by establishing clear expectations and maintaining consistent classroom management techniques.
- Tracked student progress, frequently checking in with struggling students and identifying root causes of problems.
- Boosted student performance by providing individualized support and targeted feedback.
- Initiated new learning methods, eliminating instructional gaps and improving comprehension.
- Promoted classroom safety, collaboration, and best practices.
- Tested and evaluated students on materials presented in workshops and classes.
- Increased student motivation by developing engaging lesson plans that catered to various learning styles.
- Evaluated student assessments to identify areas of growth and improvement, adjusting instructional strategies accordingly.
- Improved student performance by defining clear goals and communicating performance metrics.
- Increased student participation via engaging lectures and assignments.
- Assisted in curriculum development, ensuring alignment with state standards and best practices for effective instruction.
- Oversaw curriculum development and implementation in alignment with best practices.
Senior Maintenance Supervisor
United States Army
11.2013 - 01.2017
- Supervised employee performance, preventive maintenance, and safety.
- Established and documented protocols for preventive maintenance procedures, decreasing equipment issues, and reducing downtime.
- Reviewed technical documentation to complete equipment maintenance and repair.
- Monitored priorities and liaised between maintenance team and management, delegating tasks to complete on time.
- Created and implemented maintenance program to optimize operational efficiency and reduce downtime.
- Contributed to development, implementation, and execution of maintenance programs.
- Procured pricing information from various vendors to support cost-effective purchasing.
- Conducted training, licensing, and vehicle inspections for new employees.
- Increased overall productivity by continually refining preventive maintenance procedures and optimizing resource usage.
- Conducted regular audits of facility systems to identify potential issues before they developed into costly problems.
- Managed efficient teams of up to 90 employees.
Maintenance Technician
United States Army
11.2012 - 11.2013
- Operated varied hand and power tools to complete repairs.
- Used problem-solving skills to alleviate issues efficiently with minimal supervision.
- Troubleshot equipment breakdowns and performed preventive maintenance.
- Followed work orders and specifications for machine and equipment replacement, repair, or maintenance.
- Trained new employees on proper use and care of tools, machinery, and safety protocols.
- Monitored and documented work performance in maintenance logs in compliance with company guidelines.
- Boosted overall productivity with timely preventive maintenance on key equipment.
Squad Leader
US Army
02.2007 - 11.2012
- Maintained discipline within the ranks by enforcing standards of conduct expected from a professional military organization consistently and fairly.
- Conducted thorough after-action reviews following each operation to identify areas for improvement and implement necessary changes.
- Operated heavy equipment, fire equipment and mobile Incident Command Center vehicle.
- Developed tailored training programs to address individual skill gaps, resulting in improved performance across the entire squad.
- Enhanced team cohesion with regular debriefings, feedback sessions, and team-building exercises.
- Provided critical input to higher-level decision-makers during strategic planning sessions based on first-hand experiences from field operations.
- Adapted quickly to changing conditions on the battlefield, allowing the squad to maintain focus on primary objectives without being distracted by unforeseen challenges.
- Maintained property and equipment inventory and crew assignments.
- Upheld a culture of continuous improvement within the squad by encouraging open communication and fostering an environment conducive to constructive criticism.
- Collaborated effectively with other squads to achieve common objectives during joint operations.
- Mitigated potential risks during missions by conducting thorough risk assessments prior to deployment, ensuring proper safety measures were established beforehand.
- Increased operational efficiency by streamlining processes and optimizing resource allocation.
- Managed squad of 6 members engaged in Air Assault operations.
Education
High School Diploma -
Austin Peay State University
Clarksville, TNSkills
- Strong communication skills
- Customer service-focused
- Cleaning expertise
- Custodial machine operation
- Cleaning proficiency
- Restroom maintenance
- Sweeping and mopping
- Sanitation techniques
Timeline
Instructor
United States Army
01.2017 - 02.2022
Senior Maintenance Supervisor
United States Army
11.2013 - 01.2017
Maintenance Technician
United States Army
11.2012 - 11.2013
Squad Leader
US Army
02.2007 - 11.2012
High School Diploma -
Austin Peay State University
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