David O'Brien
McLean
Summary
Active Top Secret/SCI Security Clearance
Security professional with solid expertise in safeguarding assets, maintaining order, and ensuring safety. Strong focus on collaboration, reliability, and adaptability to changing situations. Skilled in threat assessment, emergency response, and conflict resolution. Known for integrity, vigilance, and effective communication.
Overview
19
19
years of professional experience
Work History
Access Control Officer
Constellis
Chantilly, VA
08.2018 - Current
- Perform security/access control duties as a government contractor including but not limited to: monitoring facility security systems to ensure safety and strict compliance with protocols and access to secure areas
- Observing and reporting incidents, suspicious activity/persons, unauthorized access
- Work in close conjunction with government security teams/management to protect building personnel and assets
- Conducted regular patrols to identify and address potential security risks
School Teacher
Fairfax County Public Schools
Fairfax, VA
02.2013 - 12.2018
- Substitute teacher at all grade levels (K-12 & Special Education) and subject areas with emphasis in English, Business/Marketing, ESL, Spanish, Physical Education
- Developed engaging lesson plans using SMART board, PowerPoint, and Internet aligned with curriculum standards to enhance student learning experiences.
Special Police Officer
Triton Security
Fairfax, VA
08.2013 - 08.2018
- Perform security duties in a Class A building including but not limited to: conducting regular foot patrols of building exterior/interior, monitoring CCTV and building lobby for unauthorized personnel or suspicious activity, observing and reporting incidents or suspicious activity, delivering superior customer service
Educational Consultant
TCA Prep
Alexandria, VA
11.2010 - 02.2013
- Helped spearhead and launch new English School in Puebla, Mexico
- Developed partnership with largest franchise chain (Italian Coffee Company) in Mexico to help grow student base
- Performed trouble shooting for technical support team, servicing customers with software installation and performance issues
Client Management Representative
National Student Clearinghouse
Herndon, VA
11.2006 - 11.2010
- Managed, consulted, and assisted college/university client base during all phases of service implementation including but not limited to: strategic planning with administrative/technical teams, testing/data analysis, service activation/training, post activation follow-up
- Developed and maintained strong relationships with educational institutions to streamline service delivery.
- Conducted product and service training for new and existing clients both on-site and via online, interactive training webinars
Education
Bachelor of Arts - Sociology
Pennsylvania State University
University Park, PAGraduate Level - Philosophy/Theology
St. Charles Seminary
Wynnewood, PASkills
Excellent customer relations skills with more than thirteen years’ experience in security/education/business
Superior organizational, management skills with an ability to lead/motivate
Exceptional writing skills with several years’ newsletter compilation/blog writing experience
Highly Proficient in Microsoft Excel, PowerPoint, Publisher, Cisco WebEx, social media platforms
Strong creativity and adaptability skills
Fluency in Spanish Language
Affiliations
Nicaraguan Missionary Group, Legion of Mary - St. Louis Catholic Church (Alexandria, VA)
Languages
Spanish
Timeline
Access Control Officer
Constellis
08.2018 - Current
Special Police Officer
Triton Security
08.2013 - 08.2018
School Teacher
Fairfax County Public Schools
02.2013 - 12.2018
Educational Consultant
TCA Prep
11.2010 - 02.2013
Client Management Representative
National Student Clearinghouse
11.2006 - 11.2010
Graduate Level - Philosophy/Theology
St. Charles Seminary
Bachelor of Arts - Sociology
Pennsylvania State University