Security Field Supervisor

Marksman Security•El Segundo, CA

6d•Onsite

About The Position

Marksman Security is seeking a reliable, proactive Security Field Supervisor to oversee daily security operations across field sites in Los Angeles, Orange, and San Bernardino Counties. The supervisor manages on-duty security officers, conducts site inspections, ensures compliance with post orders, and serves as the primary operational lead during field emergencies. The role includes responding to field calls and coverage gaps, temporarily covering open posts, training and evaluating officers, communicating with clients, reviewing incident and activity reports, and confirming officers maintain valid licenses, certifications, and required equipment.

Requirements

High school diploma or GED.
At least 2 years of security experience.
At least 1 year in a supervisory or team lead role.
Valid state security guard license or guard card.
Valid driver’s license and clean driving record meeting company motor vehicle standards for operating company patrol vehicles.
CPR/AED/First Aid certification, or ability to obtain it within 30 days of hire.
Proficiency with security reporting software, guard tour tracking platforms, GPS navigation, and standard office software such as Microsoft Office or Google Workspace.
Ability to sit, stand, walk, climb stairs, and perform physical patrol duties for extended periods, including in varied weather conditions.
Excellent verbal and written communication skills for writing clear reports and interacting with clients and law enforcement.
Decisive judgment and a calm demeanor under high-stress conditions.

Nice To Haves

Associate or bachelor’s degree in criminal justice or a related field.
Background in security, law enforcement, or the military.
Armed guard license or permit, if applicable.

Responsibilities

Conduct unannounced field audits and inspections to assess officers’ uniform standards, punctuality, post-order compliance, and performance.
Lead on-scene operations during incidents, alarms, site emergencies, and security breaches.
Respond promptly to field calls, officer callouts, post coverage gaps, and client emergencies.
Temporarily cover open security posts or duties when staffing shortages arise.
Train, mentor, and guide security personnel on site-specific protocols, equipment use, and company procedures.
Provide real-time feedback, conduct formal performance reviews, and document corrective actions or disciplinary measures as needed.
Lead by example and foster a professional, respectful, and safe workplace.
Communicate with client representatives during shifts to address operational concerns, special requests, and site-specific issues.
Review and edit Daily Activity Reports, Incident Reports, and shift logs to ensure accuracy before submission to management.
Ensure field officers maintain valid security licenses and certifications and have required gear while on duty.