1

Code 3 Security Jobs in Missouri (NOW HIRING)

Write clean, minimalistic code following coding standards and best practices across multiple ... Implement telemetry and security features to meet compliance and performance standards. * Create ...

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

Write clean, minimalistic code following coding standards and best practices across multiple ... Implement telemetry and security features to meet compliance and performance standards. * Create ...

(USA) Software Engineer III

Anderson, MO · On-site

$90K - $180K/yr

Write clean, minimalistic code following coding standards and best practices across multiple ... Implement telemetry and security features to meet compliance and performance standards. * Create ...

Relaxed Dress Code: At Caleres, we believe that the right shoes can take you anywhere, and your ... Bachelor's degree in Information Systems and 3 years' experience; Or 5+ years in IT Security field ...

Relaxed Dress Code: At Caleres, we believe that the right shoes can take you anywhere, and your ... Bachelor's degree in Information Systems and 3 years' experience; Or 5+ years in IT Security field ...

Security Officer

Saint Louis, MO · On-site

$15.50 - $18.50/hr

... 3% contribution; medical, dental and vision insurance; flexible spending accounts and long term ... Remains alert for unauthorized individuals and/or security code violators. Approach suspicious ...

Security Officer

Saint Louis, MO · On-site

$15 - $17.75/hr

... 3% contribution; medical, dental and vision insurance; flexible spending accounts and long term ... Remains alert for unauthorized individuals and/or security code violators. Approach suspicious ...

Network Security Engineer 2

Saint Louis, MO · On-site

$99K - $135K/yr

Network security * Infrastructure as Code (IaC) * Data protection * Monitoring and logging ... Central Time business hours. * 3+ years of experience in network engineering, network security ...

New

Contribute to secure coding practices, reusable patterns, and continuous improvement across ... The ~3,000 professionals in DT - US deliver services including: * Cyber Security * Technology ...

Security Engineer

Kansas City, MO · On-site +1

$80K - $150K/yr

The ideal candidate has 2-3 years of cybersecurity experience, a strong SOC foundation, hands-on ... Infrastructure as Code: Familiarity with Terraform, CloudFormation, CDK, or similar tools.

(USA) Software Engineer III

Anderson, MO · On-site

$90K - $180K/yr

Develop, test, and maintain scalable, secure, and high-quality code following coding standards and ... Strong problem-solving skills with a focus on quality, security, and performance. At Walmart, we ...

Develop, test, and maintain scalable, secure, and high-quality code following coding standards and ... Strong problem-solving skills with a focus on quality, security, and performance. At Walmart, we ...

(USA) Software Engineer III

Noel, MO · On-site

$90K - $180K/yr

Develop, test, and maintain scalable, secure, and high-quality code following coding standards and ... Strong problem-solving skills with a focus on quality, security, and performance. At Walmart, we ...

next page

Showing results 1-20

Code 3 Security information

See Missouri salary details

$10

$17

$23

How much do code 3 security jobs pay per hour?

As of Jul 15, 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.
(USA) Software Engineer III

(USA) Software Engineer III

Walmart

Cassville, MO • On-site

$90K - $180K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 21 days ago


Walmart rating

6.0

Company rating: 6.0 out of 10

Based on 22,085 frontline employees who took The Breakroom Quiz

24th of 39 rated national retailers


Job description

Position Summary... What you'll do...Role summary:
As a Software Engineer III, you will contribute to the design and development of scalable software solutions by collaborating with cross-functional teams including product management and user experience. This role involves troubleshooting complex issues, performing root cause analysis, and delivering high-quality code aligned with business requirements. You will manage project tasks, support continuous integration and deployment, and provide technical guidance to small engineering groups. The position demands strong problem-solving skills, adherence to coding standards, and a commitment to delivering sustainable, efficient software that meets organizational goals and enhances operational performance.
About the team:
The Contact Center Engineering team develops and maintains platforms that enable seamless customer support experiences. They design scalable call, chat, and routing workflows, integrate enterprise systems, and ensure high reliability across interactions. By optimizing solutions, the team supports efficient service delivery through agents and automation. Their work drives fast, consistent, and reliable communication within the contact center ecosystem, enhancing operational performance and customer satisfaction. The team emphasizes technical excellence, collaboration, and continuous improvement to address evolving business needs and deliver robust, scalable software solutions.
What you'll do:
  • Analyze and scope business and technical requirements to support agile development processes.
  • Develop, configure, and maintain software components ensuring scalability, availability, and maintainability.
  • Write clean, minimalistic code following coding standards and best practices across multiple languages and platforms.
  • Build automation scripts to streamline continuous integration and delivery pipelines.
  • Implement telemetry and security features to meet compliance and performance standards.
  • Create and execute test cases to identify defects and ensure code quality.
  • Monitor application performance, troubleshoot issues, and perform maintenance activities.
  • Collaborate with stakeholders to align solutions with business objectives and technical needs.

What you'll bring:
  • Proven expertise in object-oriented programming and coding standards using languages such as JavaScript, Python, or C.
  • Strong knowledge of agile methodologies, including requirement scoping, user story creation, and iterative development.
  • Experience with continuous integration and continuous delivery (CI/CD) pipelines, automation scripting, and telemetry implementation.
  • Ability to analyze and troubleshoot defects, perform root cause analysis, and apply corrective actions effectively.
  • Familiarity with software testing strategies, tools, and quality assurance processes.
  • Technical acumen in platform design, API development, and component services.
  • Commitment to delivering scalable, maintainable, and secure software solutions aligned with business objectives.
At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see https://one.walmart.com/notices. Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
The annual salary range for this position is $90,000.00 - $180,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
- Stock

‎ 

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 2 years’ experience in software engineering or related area.
Option 2: 4 years’ experience in software engineering or related area. Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area, We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture. Masters: Computer Science Primary Location... 2501 Se J St, Ste A, Bentonville, AR 72716-3724, United States of America Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

What Walmart employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Walmart logo

About Walmart

Sourced by ZipRecruiter

From our humble beginnings as a small discount retailer in Rogers, Ark., Walmart has opened thousands of stores in the U.S. and expanded internationally. Through innovation, we're creating a seamless experience to let customers shop anytime and anywhere online and in stores. We are creating opportunities and bringing value to customers and communities around the globe. Walmart operates approximately 10,500 stores and clubs in 19 countries and eCommerce websites. We employ 2.1 million associates around the world — nearly 1.6 million in the U.S. alone.

Industry

Retail and transportation and warehousing

Company size

10,000+ Employees

Headquarters location

Bentonville, AR, US

Social media