National Account Manager at DSI Security Services – West Chester, Pennsylvania
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About This Position
DSI Security Services is a leading provider of contract security solutions, serving clients across multiple industries nationwide. Founded on the principle of DWYSYWD — “Do What You Say You Will Do,” DSI is committed to accountability, professionalism, and delivering consistent, high-quality service.
We believe success starts with our people. Through thoughtful recruiting, ongoing training, and strong operational support, DSI creates work environments that align with both our clients' expectations and our core values. Our focus on integrity, teamwork, and continuous improvement allows us to build long-term partnerships with clients while providing meaningful career opportunities for our employees.
DSI Security Services is seeking a National Account Manager to oversee multi-site security operations for a large client portfolio based out of the West Chester, PA area.
This role primarily works day shift, Monday through Friday; however, candidates must be flexible to work evenings, overnights, weekends, and holidays as operational needs arise.
Account & Site Management
- Oversee daily security operations at assigned client locations
- Partner with client leadership, Site Supervisors, and DSI management
- Ensure proper staffing, training, and equipment at all sites
- Provide coverage for open posts as needed
- Review daily activity reports for accuracy and completeness
- Manage uniforms, equipment, vehicles, and supplies
- Conduct site visits, inspections, and audits
- Maintain knowledge of client and site-specific SOPs
- Coordinate coverage for remote sites and special events
- Travel to sites to support initiatives and operational needs
- Support invoicing and ensure timely client billing
- Assign and manage system access (Workday, Genetec)
Personnel Management
- Interview, onboard, and train security personnel
- Oversee ongoing training and compliance requirements
- Manage scheduling to optimize coverage and control overtime
- Enforce DSI policies, Code of Ethics, and Uniform Standards
- Support retention initiatives and employee engagement
- Communicate regularly with site supervisors
- Conduct performance evaluations and manage disciplinary actions
- Monitor completion of client-required training
- Account management experience required
- Associate's degree required; bachelor's degree preferred
- Contract security management experience strongly preferred
- Strong verbal and written communication skills
- Proficient in Microsoft Office applications
- Organized, proactive leader with strong time-management skills
- Customer-service driven with relationship-building ability
- Valid driver's license with a clean driving record
- Must meet all pre-employment requirements
- Medical, Dental, and Vision Insurance
- 401(k) with Company Match
- Paid Vacation
- Paid Training
- Free Uniforms
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Job Location
Job Location
This job is located in the West Chester, Pennsylvania, 19380, United States region.