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Code 3 Security Jobs in Missouri (NOW HIRING)

Cloud Security Manager Company: The Boeing Company The Boeing Company is looking for a Cloud ... * 3+ years experience implementing Policy As Code (Azure Policy, OPA/Gatekeeper, Rego, or ...

Cloud Security Manager Company: The Boeing Company The Boeing Company is looking for a Cloud ... * 3+ years experience implementing Policy As Code (Azure Policy, OPA/Gatekeeper, Rego, or ...

Cloud Security Manager Company: The Boeing Company The Boeing Company is looking for a Cloud ... * 3+ years experience implementing Policy As Code (Azure Policy, OPA/Gatekeeper, Rego, or ...

Cloud Security Manager Company: The Boeing Company The Boeing Company is looking for a Cloud ... * 3+ years experience implementing Policy As Code (Azure Policy, OPA/Gatekeeper, Rego, or ...

Conduct secure code reviews, threat modeling, and security assessments for new features ... You bring 3+ years of hands-on security engineering experience , ideally in a cloud-based or high ...

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

The (USA) Software Engineer III plays a critical role in designing, developing, and delivering ... Ensure adherence to security policies and coding standards throughout development. What you'll ...

(USA) Software Engineer III

Anderson, MO · On-site

$90K - $180K/yr

The (USA) Software Engineer III plays a critical role in designing, developing, and delivering ... Ensure adherence to security policies and coding standards throughout development. What you'll ...

The (USA) Software Engineer III plays a critical role in designing, developing, and delivering ... Ensure adherence to security policies and coding standards throughout development. What you'll ...

(USA) Software Engineer III

Anderson, MO · On-site

$90K - $180K/yr

As a Software Engineer III, you will lead the design and development of technical solutions for ... Skilled in developing documentation-based code and applying security and quality standards.

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

As a Software Engineer III, you will lead the design and development of technical solutions for ... Skilled in developing documentation-based code and applying security and quality standards.

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Code 3 Security information

See Missouri salary details

$10

$17

$23

How much do code 3 security jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for code 3 security in Missouri is $17.85, according to ZipRecruiter salary data. Most workers in this role earn between $14.42 and $17.60 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Code 3 Security Officer, and why are they important?

To thrive as a Code 3 Security Officer, you generally need a high school diploma or GED, strong observational skills, and relevant security certifications or licenses. Familiarity with security systems, surveillance equipment, and incident reporting tools is typically required. Excellent communication, situational awareness, and the ability to remain calm under pressure are standout soft skills in this role. These skills ensure the safety of people and property, effective response to emergencies, and strong client trust in security operations.

What is the difference between Code 3 Security vs Security Guard?

AspectCode 3 SecuritySecurity Guard
Required CertificationsSecurity license, CPR/First AidSecurity license, CPR/First Aid
Work EnvironmentEvent security, private properties, corporate settingsCommercial, residential, event venues
Employer & Industry UsageSecurity companies, private clientsSecurity firms, private and public sectors

Both Code 3 Security and Security Guard roles require similar certifications and often operate in comparable environments. However, Code 3 Security typically refers to a specific security service level or company name, while Security Guard is a general job title. Understanding these distinctions helps job seekers find the right opportunities in the security industry.

What is Code 3 Security?

Code 3 Security typically refers to a private security company that provides security guard services, patrols, and emergency response for businesses, residential communities, and events. These companies employ trained security officers to deter crime, monitor premises, and respond to incidents as needed. Code 3 Security may also offer specialized services such as surveillance, alarm response, and risk assessments. The term 'Code 3' is often used in law enforcement and emergency services to indicate an urgent situation requiring immediate response, which reflects the company's focus on rapid and effective security solutions.

What are some common challenges faced by security officers at Code 3 Security, and how can they be managed effectively?

Security officers at Code 3 Security often encounter challenges such as handling difficult or confrontational individuals, adapting to varying shift schedules, and staying vigilant during long periods of surveillance. To manage these effectively, officers receive training in conflict resolution, clear communication, and situational awareness. Additionally, teamwork and regular briefings help ensure everyone is informed about ongoing concerns and protocols, fostering a supportive work environment where officers can rely on each other for backup when needed.
What job categories do people searching Code 3 Security jobs in Missouri look for? The top searched job categories for Code 3 Security jobs in Missouri are:
Infographic showing various Code 3 Security job openings in Missouri as of July 2026, with employment types broken down into 1% As Needed, 70% Full Time, 25% Part Time, 1% Temporary, and 3% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $37,136 per year, or $17.9 per hour.
Building Controls System Technician III - Security Systems

Building Controls System Technician III - Security Systems

University of Missouri

Columbia, MO • On-site

$28 - $32/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 12 days ago


University Of Missouri rating

7.2

Company rating: 7.2 out of 10

Based on 67 frontline employees who took The Breakroom Quiz

343rd of 553 rated colleges and universities


Job description

Hiring Department
MU Energy Management
Job Description
Powering Mizzou's Future
At MU Energy Management, we don't just keep the lights on - we energize the future. Our team is responsible for producing, purchasing, and delivering essential utility services across the University of Missouri campus. At the heart of our operations is the cutting-edge Combined Cooling, Heating, and Power Plant (CCHP), which generates steam, chilled water, and electricity to heat, cool, and energize more than 17 million square feet of academic, research, athletic, and healthcare facilities.
Beyond providing utility services to the campus, Energy Management also installs and manages cutting-edge Building Automation Systems that optimize energy consumption across the university. Building Automation systems include HVAC Controls, Lighting Controls, Electronic Locking, Keycard Access, and Security Camera Systems.
Our mission is to provide cost-effective, reliable, and resilient utility services that empower the University to excel in its academic and research goals.
If you are passionate about energy, innovation, and resiliency, join a team that keeps Mizzou running - and thriving.
Position: Building Controls System Technician - Security Systems
Nature and Level of Work:
Perform skilled work at a journey level in the installation, low voltage cabling and wiring, operation, maintenance, service and repair of building automation systems for security cameras, card access systems, security systems and panic/duress systems.
Key Responsibilities:
Installs, maintains, repairs, and tests campus security systems, including video surveillance cameras, electronic access control systems, panic alarms, duress alarms, and related field devices.
Troubleshoots and resolves issues involving security system hardware, devices, controllers, electronic locking mechanisms, and associated equipment.
Coordinates with Information Technology staff on system integrations, network connectivity, device commissioning, and software-related issues.
Responds to service requests, equipment failures, and emergency calls to restore system functionality in a timely manner.
Assists with security system upgrades, renovations, and new installations across campus facilities.
Conducts inspections and acceptance testing of newly installed or modified security systems.
Ensures work is performed in accordance with applicable codes, regulations, university standards, and manufacturer specifications.
Coordinates with other campus departments to support campus safety and security operations.
Provides technical guidance to lower-level technicians.
May serve as lead technician on small to medium-sized projects.
Demonstrates knowledge of electronic access control systems, video surveillance equipment, panic and duress alarm systems, and physical security technologies.
Performs other related duties as assigned.
Shift
7:00 - 3:30, M-F
Minimum Qualifications
Personnel in the Building Controls System Technician employee development program:
• This job is a promotional step from a Building Controls Technician II, and requires successful completion of skill assessments and 1.5 years of experience as a Building Controls System Technician II.
All Personnel:
• A high school graduate with one year of university or technical training in electronics, electrical engineering or an equivalent combination of education and experience from which comparable knowledge and abilities can be acquired is necessary.
• Three years of experience in the skilled maintenance, installation and repair of distributed automation systems for buildings and associated electrical and pneumatic control equipment or two years completion of technical training.
- During the first six months of employment, must complete the same skills assessment required of a Building Controls Systems Technician II as outlined in the Building Controls System Technician Employee Development Program.
• Knowledge of building codes is preferred.
• Skill in use and operation of tools, equipment and materials necessary to complete the essential functions of the job.
• Ability to read blueprints, drawings, schematics and wiring diagrams.
• A valid State of Missouri Driver's License must be held and maintained by incumbents in the position.
• A person working in this classification will need to:
- Grasp, lift, carry and set down objects of moderate weight (50 lbs.) on a regular basis
- Grasp, lift and pull electrical/electronic cabling and wiring on a regular basis
- Climb and work from ladders, scaffolding and staging on an occasional basis
- Ability to get into and work in hot, moist, confined spaces on an occasional basis
Preferred Qualifications
Three years of experience in the installation and maintenance of building automation security cameras, card access systems, and security systems. Must be able to work from ladders and mobile elevated work platforms.
Anticipated Hiring Range
Salary Range: $28.00 - $32.00 hourly
Grade: GGS-G
University Title: Building Controls System Technician III
Internal applicants can determine their University title by accessing the Talent Profile tile in myHR.
Sponsorship Information
Employment visa sponsorship is not available for this position.
Other Information
The internal union bid period for this position ended on 7/1. All qualified internal and external candidates are now welcome to apply.
In order to be considered as a Union Bidder for this position you must:
• complete ALL sections of the application
(including all work experience - incomplete applications will not be considered)
• complete six months of regular service at the University
• apply within the published, five-day posting period
• meet the minimum qualifications for the vacancy
Your qualifications for this position will be evaluated based on the information you provide on your job application. Once the job posting period is closed, there will be no opportunity to submit additional information regarding your qualifications. Therefore, you need to ensure that your application materials are complete when submitted.
Union Bid Period: 06/25/2026 to 07/01/2026
Community Information
Columbia offers small-town friendliness with big city features and a high quality of life for people of all ages and interests. Founded on education and known as an ideal college town, its location also makes it an attractive spot for businesses and travelers. Located on Interstate 70 and U.S. Highway 63, Columbia is right in the middle of the state and the nation. Just a couple hours' drive from St. Louis and Kansas City, Columbia is Boone County's largest population center offering big-city culture, activities, and resources with a low cost of living. Columbia is home to a variety of restaurants and entertainment venues and hosts more than a dozen festivals each year. If you want to grow your career, continue your education, raise a family, and retire, Columbia is a good place to be!
Benefit Eligibility
This position is eligible for University benefits. As part of your total compensation, the University offers a comprehensive benefits package, including medical, dental and vision plans, retirement, paid time off, short- and long-term disability, paid parental leave, paid caregiver leave, and educational fee discounts for all four UM System campuses. For additional information on University benefits, please visit the Faculty & Staff Benefits website at https://www.umsystem.edu/departments-staff/human-resources/benefits-retirement
Equal Employment Opportunity
The University of Missouri is an Equal Opportunity Employer .
To request ADA accommodations, please call the Director of Accessibility and ADA at 573-884-7278.

What University Of Missouri employees say

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About University of Missouri

Sourced by ZipRecruiter

The University of Missouri, based in Columbia, MO, US; is a public, land-grant research institution with an established reputation in academic excellence, industry relevance, and societal impact. Founded in 1839, it was the first public university located west of the Mississippi River. The institution spans various industries in the education sector with its multitude of undergraduate, graduate, and professional degree programs across various disciplines. The University's mission is centered on improving lives, enhancing communities, advancing health, and fostering excellence through its teaching, research, and engagement activities. U-M has some significant achievements under its belt including pioneering the world's first school of journalism and being one of the only six public universities in the US that accommodates medicine, veterinary medicine, and law in one campus.

Industry

Education

Company size

10,000+ Employees

Headquarters location

Columbia, MO, US

Year founded

1839

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