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Security Assistant Jobs in Missouri (NOW HIRING)

Cni

Personnel Security Assistant

Saint Louis, MO

$36K - $38K/yr

The Personnel Security Assistant provides administrative and technical support to personnel security operations in compliance with security programs, policies, and requirements. Provides personnel ...

Marksman Security LLC

Part Time Security Officers

MO · On-site

$18.50/hr

Marksman Security is built on serving our clients and building careers - just like yours. We are ... Monitor and or detect any suspicious behavior to assist in the prevention of vandalism, theft and ...

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Security Assistant information

See Missouri salary details

$26.7K

$41.2K

$55.3K

How much do security assistant jobs pay per year?

As of Jul 27, 2026, the average yearly pay for security assistant in Missouri is $41,237.00, according to ZipRecruiter salary data. Most workers in this role earn between $35,600.00 and $44,600.00 per year, depending on experience, location, and employer.

What are Security Assistants?

Security Assistants are professionals who support the security operations of an organization. Their main duties include monitoring surveillance systems, checking identification, assisting with access control, and ensuring that security protocols are followed. They often serve as the first point of contact for visitors and employees, helping to maintain a safe environment. Security Assistants may also respond to incidents, report suspicious activities, and work closely with other security personnel. The role requires attention to detail, strong communication skills, and the ability to stay calm under pressure.

Why do security guards quit?

Security guards often quit due to low pay, long or irregular hours, high stress, and limited opportunities for advancement. Job dissatisfaction can also stem from inadequate training, lack of support, or unsafe working conditions.

What do security assistants do?

Security assistants support security operations by monitoring surveillance systems, conducting security checks, and assisting with access control. They often work under the supervision of security officers and may be responsible for maintaining security logs and responding to incidents. Strong observation skills and basic knowledge of security procedures are important for this role.

What Is a Security Assistant?

A security assistant is responsible for performing security services such as patrols and checks for a business or facility. At the direction of the security officer, you may perform job duties such as checking badges at entryways, standing guard at a particular position, and apprehending a potential suspect. You also help to implement security procedures. The educational qualifications for this career include a high school diploma and CPR training. The hiring company may also provide on-the-job training to improve skills and provide practical experience.

What are the key skills and qualifications needed to thrive as a Security Assistant, and why are they important?

To thrive as a Security Assistant, you need a solid understanding of security protocols, surveillance techniques, and often a high school diploma or equivalent. Familiarity with security systems such as CCTV, alarm systems, and access control software is typically required. Strong observational skills, integrity, and effective communication set standout candidates apart in this role. These capabilities are vital for maintaining safety, preventing incidents, and ensuring efficient coordination during security operations.

What are some common challenges Security Assistants face when monitoring access control systems?

Security Assistants often encounter challenges such as managing a high volume of visitors, quickly verifying credentials, and responding to unexpected security alerts. Staying attentive and maintaining composure under pressure is key, especially during peak hours or emergency situations. Effective communication with other security staff and building occupants is essential for resolving issues swiftly and maintaining a secure environment.

What is the difference between Security Assistant vs Security Guard?

AspectSecurity AssistantSecurity Guard
Required CredentialsHigh school diploma, certifications like CPR, basic security trainingHigh school diploma, security guard license or certification
Work EnvironmentOffices, corporate buildings, event venuesPublic spaces, retail stores, industrial sites
Employer & Industry UsageBusinesses, government agencies, private firmsSecurity companies, retail, manufacturing, public facilities
Common Search & ComparisonYesYes

The main difference between a Security Assistant and a Security Guard lies in their roles and work environments. Security Assistants typically support security teams in administrative and operational tasks within offices or corporate settings, requiring certifications like CPR. Security Guards focus on patrolling and protecting physical premises, often working in retail or industrial environments, with licensing requirements. Both roles are essential in security operations but serve different functions based on their responsibilities and work settings.

What is the easiest security job to get?

The easiest security job to get is often a security guard position, which typically requires minimal training and no formal education. Entry-level roles may only require a high school diploma, a background check, and sometimes a security license or certification, making them accessible for many job seekers.

How can I get into security with no experience?

To become a security assistant with no experience, focus on developing basic skills such as observation, communication, and customer service. Obtaining entry-level certifications like the Security Guard Card or First Aid certification can improve your chances, and some employers offer on-the-job training for new hires.
More about Security Assistant jobs
What are the most commonly searched types of Security jobs in Missouri? The most popular types of Security jobs in Missouri are:
What are popular job titles related to Security Assistant jobs in Missouri? For Security Assistant jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Security Assistant jobs in Missouri look for? The top searched job categories for Security Assistant jobs in Missouri are:
What cities in Missouri are hiring for Security Assistant jobs? Cities in Missouri with the most Security Assistant job openings:
Security Assistant jobs near you
Infographic showing various Security Assistant job openings in Missouri as of July 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $41,237 per year, or $19.8 per hour.
Personnel Security Assistant with Security Clearance

Personnel Security Assistant with Security Clearance

Zachary Piper Solutions, LLC

Saint Louis, MO • On-site

$50K - $54K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 19 days ago

Job description

Zachary Piper Solutions is looking for a Personnel Security Assistant to join a large DOD program. This is a full-time position and fully onsite in downtown St Louis, MO. Essential Duties of the Personnel Security Assistant: * Provides personnel security with an emphasis on administering personnel security program duties in the areas of position risk designation and sensitivity levels, fingerprint review, completion of initial investigation or reinvestigation requirements, investigative case review and adjudication, and processing of personnel separations.
* Reviews Public Trust (Low, Moderate, or High Risk) and National Security investigation (Onboarding and periodic reinvestigation) requests, when received for completeness and accuracy.
* Provides recommendations, answer questions, and provide guidance to internal and external customers, peers, supervisors, and managers concerning personnel security processes, investigations, and policies. Qualifications of the Personnel Security Assistant: * 1+ year pf related personnel or physical security.
* Experience with fingerprinting, eQuip, PIPs or similar system like DISS.
* Must be able to obtain and maintain an active Secret or Top Secret clearance.
Compensation for the Personnel Security Assistant: * $50,000 - $54,000 (based on experience)
* Company paid parking
* Comprehensive benefit package; Cigna Medical, Cigna Dental, Vision, 401k w/ ADP, PTO, paid holidays, Sick Leave as required by law, paid holidays
This job opens for applications on 7/10/2026. Applications for this job will be accepted for at least 30 days from the posting date. #LI-LS3 #LI-ONSITE Keywords: 401k, 401k match, pto, paid time off, holiday, medical, dental, health, culture, ts/sci, top secret, government clearance, security clearance, ssbi, secret clearance, dod clearance, department of defense, army, navy, military, marines, air force, personal security, security assistant, personnel security, security specialist, security technician, security coordinator, security admin, security administrator, security assistant, security operations, fsa, afso, equip, eqip, cvs, diss, security systems, security system, fingerprint, fingerprinting, public trust, e-qip, electronic questionnaire, personnel security, security teacking, pips, Defense Information Security System, Personnel Investigations Processing System, Central Verification Systems, pips/cvs, Electronic Questionnaire for Investigations, sf-86, sf86, sf 86, cfr, 5cfr, cfr731, security database

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