Flex Security Officer, San Ramon, CA

Marksman Security Corporation; San Ramon (CA); On-site; USD 28,000 - 36,000; Full time

Job summary

Marksman Security Corporation seeks a Flex Security Officer for a full-time, on-site role based in San Ramon, CA. You will provide a high-visibility security presence, patrol assigned areas, monitor access points, and respond to incidents and alarms per post orders.

You will also complete detailed reports and assist with visitor and vendor management. The position requires standing/walking for long periods, flexibility for varied shifts, and collaboration with clients and staff to maintain a

Qualifications

• Security operations: patrolling, access control, incident response, and report writing.
• Customer service and communication with clients, visitors, and team members.
• Observation and problem-solving to identify risks and de-escalate situations.
• Time management and reliability; flexible to weekends and holidays.
• Ability to stand, walk, and stay alert indoors/outdoors as required.
• Valid security guard license or ability to obtain license; clean background to work in the U.S.
• High school diploma or equivalent; prior security/military experience preferred.
• Basic computer and mobile device skills for security systems and reporting.

Responsibilities

• Provide high-visibility security presence and patrolling.
• Monitor access points and respond to incidents and alarms.
• Complete detailed incident and activity reports.
• Support building ambassadors with visitor and vendor management.
• Adapt to multiple sites/shifts as needed; assist during vacations or events.

Skills

Security operations

Customer service

Observation skills

Time management

Mobility/standing

Security license

High school diploma

Tech/comms skills

Education

High school diploma or equivalent (mandatory)

Job description

Company Description:

Marksman Security, founded in 2003, is committed to delivering excellence in service through customized security and building ambassador programs. The company serves a wide range of vertical markets, including residential, commercial real estate, data centers, industrial, public transit, logistics, maritime, aviation, retail, film and television studios. Marksman Security differentiates itself through strong customer service, advanced technology solutions, and robust operational support. The company is licensed in 20 states and continues to expand its presence across the United States, offering diverse career opportunities for security professionals.

Role Description:

the Flex Security Officer role is a full-time, on-site position based in San Ramon, CA. The individual in this role will provide high-visibility security presence, patrol assigned areas, monitor access points, and respond to incidents and alarms in accordance with post orders and client expectations. Responsibilities include observing and reporting safety or security concerns, completing detailed incident and activity reports, and supporting building ambassadors or client staff with visitor and vendor management. The Flex Security Officer may be assigned to multiple sites and shifts as needed, requiring flexibility to cover vacations, call-offs, or special events. The role involves working closely with clients, team members, and the public to maintain a safe and professional environment.

Qualifications

• Security operations skills, including patrolling, access control, incident response, and report writing.
• Customer service and communication skills to interact professionally with clients, visitors, and team members.
• Observation and problem-solving abilities to identify risks, de-escalate situations, and follow safety procedures.
• Time management and reliability, with flexibility to work various shifts, weekends, and holidays as required.
• Ability to stand, walk, and remain alert for extended periods, and work both indoors and outdoors as site conditions require.
• Valid security guard license or ability to meet state and local licensing requirements; clean background and eligibility to work in the U.S.
• High school diploma or equivalent; prior security, military, law enforcement, or customer-facing experience is preferred.
• Basic computer and mobile device skills for using security systems, incident reporting tools, and communication platforms.