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Cybersecurity Intern Jobs in Missouri (NOW HIRING)

Cyber Security Engineer III

Saint Louis, MO ยท On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 Month Contract to Hire Clearance Requirement: Active TS/SCI required and ability to obtain poly Job ...

Cyber Security Engineer III

Saint Louis, MO ยท On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 Month Contract to Hire Clearance Requirement: Active TS/SCI required and ability to obtain poly Job ...

Cyber Security Engineer III

Saint Louis, MO ยท On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 Month Contract to Hire Clearance Requirement: Active TS/SCI required and ability to obtain poly Job ...

Cyber Security Engineer III

Saint Louis, MO ยท On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 Month Contract to Hire Clearance Requirement: Active TS/SCI required and ability to obtain poly Job ...

Cyber Security Engineer III

Saint Louis, MO ยท On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 Month Contract to Hire Clearance Requirement: Active TS/SCI required and ability to obtain poly Job ...

IT Support Intern

Saint Louis, MO ยท On-site

$14 - $18.75/hr

The IT Support Intern will gain meaningful, hands-on experience supporting the technology that ... with cybersecurity best practices, system patching, and antivirus maintenance * Assist with ...

New

Nursing Intern

Lone Jack, MO ยท On-site

$14.25 - $18.25/hr

Nurse Intern - Medical Intermediate Saint Luke's East is looking for a nursing student to join the Medical Intermediate unit! Position: Nurse Intern - Medical Intermediate Schedule: PRN; Minimum 1 ...

IT Support Intern

Saint Louis, MO ยท On-site

$14 - $18.75/hr

The IT Support Intern will gain meaningful, hands-on experience supporting the technology that ... with cybersecurity best practices, system patching, and antivirus maintenance * Assist with ...

New

Nursing Intern

Lake Lotawana, MO ยท On-site

$14.50 - $18.75/hr

Nurse Intern - Medical Intermediate Schedule : PRN; Minimum 1 shift per 6 week schedule The Nursing Intern is for students currently enrolled in an accredited RN program who have completed a ...

Nursing Intern

Lees Summit, MO ยท On-site

$14.50 - $19/hr

Nurse Intern - Medical Intermediate Schedule : PRN; Minimum 1 shift per 6 week schedule The Nursing Intern is for students currently enrolled in an accredited RN program who have completed a ...

$14.25 - $18.75/hr

Nurse Intern - Medical Float Pool Schedule : PRN; Minimum 1 shift per 6 week schedule The Nursing Intern is for students currently enrolled in an accredited RN program who have completed a ...

Showing results 21-40

Cybersecurity Intern information

See Missouri salary details

$8

$15

$22

How much do cybersecurity intern jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for cybersecurity intern in Missouri is $15.98, according to ZipRecruiter salary data. Most workers in this role earn between $13.51 and $18.03 per hour, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a cybersecurity intern?

To thrive as a Cybersecurity Intern, you need foundational knowledge of networking, information security principles, and familiarity with operating systems, often supported by coursework in computer science or related fields. Experience with tools such as Wireshark, Kali Linux, and basic scripting languages, as well as certifications like CompTIA Security+ or Cisco's CyberOps Associate, is highly valuable. Strong analytical thinking, attention to detail, and effective communication skills help interns identify vulnerabilities and collaborate with security teams. These skills and qualities are critical for detecting threats, supporting security initiatives, and gaining practical experience in a fast-evolving field.

What does a cybersecurity intern do?

A Cybersecurity Intern assists in protecting an organization's computer systems and networks from security breaches and cyber threats. They typically help monitor network activity, perform vulnerability assessments, and support the implementation of security measures under the guidance of experienced cybersecurity professionals. Interns may also research emerging threats, assist with incident response, and help ensure compliance with security policies. This role provides hands-on experience and valuable exposure to real-world cybersecurity challenges.

What is the difference between Cybersecurity Intern vs Cybersecurity Analyst?

AspectCybersecurity InternCybersecurity Analyst
Required CredentialsTypically pursuing or recently completed relevant degree; certifications like CompTIA Security+ are a plusOften holds a degree in cybersecurity or related field; certifications like CISSP or CEH are common
Work EnvironmentEntry-level, supervised tasks, learning-focusedFull responsibility for security monitoring, incident response, and analysis
Employer & Industry UsageInternships in tech, finance, government sectorsFull-time roles across various industries including tech, finance, healthcare

The main difference between a Cybersecurity Intern and a Cybersecurity Analyst lies in experience, responsibilities, and career level. Interns are typically in training, assisting with basic tasks, while analysts handle complex security issues independently. Internships serve as a stepping stone toward becoming a full-fledged analyst.

What types of projects or tasks can a cybersecurity intern expect to work on during their internship?

As a Cybersecurity Intern, you'll typically assist with monitoring network activity for unusual behavior, analyzing security alerts, and helping with vulnerability assessments. You may also support senior team members in conducting penetration tests, updating security documentation, and responding to minor security incidents. Interns often collaborate closely with IT and security teams, gaining hands-on experience with industry-standard tools and procedures. This exposure provides a strong foundation for understanding real-world cybersecurity challenges and best practices.

What are the most commonly searched types of Cybersecurity jobs in Missouri?

The most popular types of Cybersecurity jobs in Missouri are:

What are popular job titles related to Cybersecurity Intern jobs in Missouri?

For Cybersecurity Intern jobs in Missouri, the most frequently searched job titles are:

What cities in Missouri are hiring for Cybersecurity Intern jobs?

Cities in Missouri with the most Cybersecurity Intern job openings:

Infographic showing various Cybersecurity Intern job openings in Missouri as of August 2026, with employment types broken down into 1% Internship, 92% Full Time, 3% Part Time, and 4% Contract. Highlights an 79% Physical, 8% Hybrid, and 13% Remote job distribution, with an average salary of $33,239 per year, or $16 per hour.

Cyber Security Engineer III

System One

Saint Louis, MO โ€ข On-site

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 12 days ago


Job description

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 Month Contract to Hire Clearance Requirement: Active TS/SCI required and ability to obtain poly

Job Summary

We are seeking a Cyber Security Engineer to support a mission critical NGA cybersecurity program in St. Louis, MO. This role will provide cyber threat intelligence, advanced cybersecurity analytics, security operations support, and incident response coordination across government systems and networks.

The Cyber Security Engineer will collect, analyze, and distribute threat intelligence from government sources, commercial feeds, open source reporting, and partner organizations to improve situational awareness of the cyber threat environment. This role will also support cybersecurity analytics, reporting, detection tuning, operational recommendations, and security monitoring activities for customer systems and networks.

This is a strong fit for someone with hands on cyber operations experience across HBSS, firewalls, IDS, IPS, VPNs, network security tools, threat intelligence, incident analysis, and cybersecurity reporting.

Key Responsibilities

Provide cyber threat intelligence support, including the collection, fusion, analysis, creation, and distribution of threat intelligence from government entities, commercial feeds, open sources, and partner organizations.

Develop and disseminate threat reports, tippers, and situational awareness products to internal and external stakeholders based on events, alerts, and incidents affecting customer systems and networks.

Perform advanced cybersecurity analytics by aggregating and analyzing security data, products, and information to identify trends, patterns, anomalous activity, and potential threats.

Provide operational recommendations, visualizations, tuning requests, and custom signature creation to the CSOC and other stakeholders.

Implement and monitor security measures for communication systems and networks while ensuring systems and personnel follow established security standards and government requirements.

Support network security activities involving HBSS, firewalls, Intrusion Detection Systems, Intrusion Prevention Systems, VPNs, and other point of presence security tools.

Conduct performance analysis of information systems security incidents and support security incident response activities.

Support Network Intrusion Detection and Forensics activities.

Assist with Continuity of Operations and Disaster Recovery planning.

Support certification activities for information systems and networks.

Provide cybersecurity services during core 12x5 support hours and participate in on call support with a two hour response requirement during non core hours.

Support Public Key Infrastructure, Electronic Key Management System operations, and other information security duties as needed.

Develop new concepts, processes, and solutions to improve cybersecurity operations.

Analyze root causes, resolve technical issues, and provide guidance to junior technicians and specialists.

Work individually, participate on integrated teams, and potentially lead tasks, projects, or small teams.

Required Qualifications

Active TS/SCI clearance.

U.S. Citizenship.

Bachelor’s degree in a technical field such as Information Technology, Information Systems, Computer Science, Cybersecurity, or a related discipline.

Equivalent experience may be considered as follows:

High School diploma or GED with 10 years of relevant cybersecurity experience.

Associate degree with 8 years of relevant cybersecurity experience.

Bachelor’s degree with 6 or more years of relevant cybersecurity experience.

Experience working in cybersecurity operations with tools and technologies such as HBSS, firewalls, Intrusion Prevention Systems, Intrusion Detection Systems, VPNs, and related security operations platforms.

Experience supporting cybersecurity monitoring, analysis, threat intelligence, incident response, or security operations center environments.

Ability to analyze cybersecurity events, alerts, incidents, and threat reporting to identify risks and provide actionable recommendations.

Preferred Qualifications

IAT Level III certification.

DoD 8140.01 and DoD 8570.01-M IAT Level III certification.

CSSP Analyst certification.

Ability to obtain required DoD 8140 / 8570 certifications within 6 months of starting if not already held.

Master’s degree in a technical field.

TS/SCI with Polygraph.

Experience supporting NGA, DoD, intelligence community, or mission critical federal cybersecurity environments.

Experience creating cyber threat reports, tippers, custom signatures, tuning recommendations, or operational threat intelligence products.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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