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Security Assistant Jobs in Missouri (NOW HIRING)

Cni

Personnel Security Assistant

Saint Louis, MO · On-site

$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

Part Time Security Officers

Troy, MO · On-site

$18.50/hr

Part Time Security Officers Marksman Security is built on serving our clients and building careers ... Monitor and or detect any suspicious behavior to assist in the prevention of vandalism, theft and ...

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 ...

Dallas College

$77K/yr

Ability to analyze relevant cyber security data and other information sources for suspicious network traffic, attack indicators and potential security breaches; produce reports, and assist in ...

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All JobsSecurity JobsSecurity Assistant JobsSecurity Assistant Jobs in Missouri

Security Assistant information

See Missouri salary details

$26.7K

$41.2K

$55.3K

How much do security assistant jobs pay per year?

As of Aug 9, 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 is a security assistant?

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.

How do you become a security assistant?

To become a security assistant, candidates typically need a high school diploma or equivalent and may require a background check. Relevant skills include attention to detail, communication, and basic knowledge of security procedures; some positions may also require security certifications or training. On-the-job training is often provided, and roles may involve shift work or working in various environments.

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.

How can I get into security assistant with no experience?

To become a security assistant with no experience, focus on developing basic security knowledge, such as understanding access control and surveillance systems. Entry-level roles often require a high school diploma or equivalent, and obtaining certifications like a Security Guard License can improve chances. Gaining relevant skills through training programs or volunteering can also help you qualify for the position.
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 August 2026, with employment types broken down into 82% Full Time, 13% Part Time, and 5% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $41,237 per year, or $19.8 per hour.

Personnel Security Assistant with Security Clearance

Zachary Piper Solutions, LLC

Saint Louis, MO • On-site

$50K - $54K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Re-posted 2 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 8/7/2026. 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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