Security Specialist Jobs in Missouri
Security Specialist jobs in Missouri concentrate in government and defense contracting, corporate security, and critical infrastructure protection, with steady demand at every level from entry-level security officer to senior analyst. St. Louis, Kansas City, and the Jefferson City government corridor anchor most of the hiring, where employers like Leidos, Boeing, and the Missouri Department of Corrections maintain consistent security specialist needs. Physical security, information security, and emergency response coordination are among the most in-demand specialties across the state. Find a role that fits below and apply directly.
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Showing 5 of 23+ Security Specialist jobs
Cybersecurity Operations Specialist III
This position requires an active TS/Sensitive Compartmental Information (SCI) clearance
Criterion Systems LLC is seeking a mission-focused Cybersecurity Operations Specialist III to support and contribute to our government customer’s success in Springfield, Virginia.
Compensation & Benefits:
$110,000-$118,000. Pay commensurate with experience.
Full time benefits include Medical, Dental, Vision, 401K, and other possible benefits as provided. Benefits are subject to change with or without notice.
Cybersecurity Operations Specialist III Responsibilities Include:
- Under broad direction, operates and manages all aspects of Information Systems, data availability, integrity, authentication, confidentiality, and non-repudiation.
- Implements and monitors security measures for communication systems, networks, and provide advice that systems and personnel adhere to established security standards and Governmental requirements for security on these systems.
- Develops and executes security policies, plans, and procedures; designs and implements data network security measures; operates Network Intrusion Detection and Forensics; conducts performance analysis of Information Systems security incidents; develops Continuity of Operation (COOP)/Disaster Recovery (DR) plans and supports certification of Information Systems and Networks.
- Supervises operation of Electronic Key Management System, other information security duties, and Public Key Infrastructure.
- Operates Host Based Security System (HBSS), firewalls, Intrusion Prevention Systems, Intrusion Detection Systems, other point of presence security tools, Virtual Private Networks, and related security operations. Performs other job-related duties as assigned
Cybersecurity Operations Specialist III Experience, Education, Skills, Abilities requested:
Current TS/SCI security clearance
Must meet one of the following:
High School Diploma and minimum of ten (10) years of related experience
Associates Degree and minimum of eight (8) years of related experience
Bachelor’s Degree and minimum of six (6) years of related experience
Master’s Degree and minimum of four (4) years of experience
Ability to develop new concepts and processes.
Ability to analyze root causes and resolve issues.
Ability to support junior level technicians and specialists in their activities.
Ability to perform all tasks of lower level technicians or specialists.
Ability to work individually, actively participate on integrated teams, and lead a task, project or team.
Must pass pre-employment qualifications of Cherokee Federal
Company Information:
Criterion Systems LLC is a part of Cherokee Federal – the division of tribally owned federal contracting companies owned by Cherokee Nation Businesses. As a trusted partner for more than 60 federal clients, Cherokee Federal LLCs are focused on building a brighter future, solving complex challenges, and serving the government’s mission with compassion and heart. To learn more about Criterion , visit cherokee-federal.com.
#CherokeeFederal #LI-CK2 #IntelCareers
Cherokee Federal is a military friendly employer. Veterans and active military transitioning to civilian status are encouraged to apply.
Similar searchable job titles:
Cybersecurity Engineer
Cybersecurity Analyst
Cybersecurity Technician
Cybersecurity Manager
SOC Analyst
Keywords:
Electronic Key Management System
Public Key Infrastructure
Host Based Security System
Security Operations
Information Systems
Legal Disclaimer: Cherokee Federal is an equal opportunity employer. Please visit cherokee-federal.com/careers for information regarding our Affirmative Action and Equal Opportunity Employer Statement, and Accommodation request.
Many of our job openings require access to government buildings or military installations. Candidates must pass pre-employment qualifications of Cherokee Federal.
As required by our governmental client, this position requires being a US Citizen AND an active TS/Sensitive Compartmental Information (SCI) clearance.
Cybersecurity Operations Specialist III
This position requires an active TS/Sensitive Compartmental Information (SCI) clearance
Criterion Systems LLC is seeking a mission-focused Cybersecurity Operations Specialist III to support and contribute to our government customer’s success in Springfield, Virginia.
Compensation & Benefits:
$110,000-$118,000. Pay commensurate with experience.
Full time benefits include Medical, Dental, Vision, 401K, and other possible benefits as provided. Benefits are subject to change with or without notice.
Cybersecurity Operations Specialist III Responsibilities Include:
- Under broad direction, operates and manages all aspects of Information Systems, data availability, integrity, authentication, confidentiality, and non-repudiation.
- Implements and monitors security measures for communication systems, networks, and provide advice that systems and personnel adhere to established security standards and Governmental requirements for security on these systems.
- Develops and executes security policies, plans, and procedures; designs and implements data network security measures; operates Network Intrusion Detection and Forensics; conducts performance analysis of Information Systems security incidents; develops Continuity of Operation (COOP)/Disaster Recovery (DR) plans and supports certification of Information Systems and Networks.
- Supervises operation of Electronic Key Management System, other information security duties, and Public Key Infrastructure.
- Operates Host Based Security System (HBSS), firewalls, Intrusion Prevention Systems, Intrusion Detection Systems, other point of presence security tools, Virtual Private Networks, and related security operations. Performs other job-related duties as assigned
Cybersecurity Operations Specialist III Experience, Education, Skills, Abilities requested:
Current TS/SCI security clearance
Must meet one of the following:
High School Diploma and minimum of ten (10) years of related experience
Associates Degree and minimum of eight (8) years of related experience
Bachelor’s Degree and minimum of six (6) years of related experience
Master’s Degree and minimum of four (4) years of experience
Ability to develop new concepts and processes.
Ability to analyze root causes and resolve issues.
Ability to support junior level technicians and specialists in their activities.
Ability to perform all tasks of lower level technicians or specialists.
Ability to work individually, actively participate on integrated teams, and lead a task, project or team.
Must pass pre-employment qualifications of Cherokee Federal
Company Information:
Criterion Systems LLC is a part of Cherokee Federal – the division of tribally owned federal contracting companies owned by Cherokee Nation Businesses. As a trusted partner for more than 60 federal clients, Cherokee Federal LLCs are focused on building a brighter future, solving complex challenges, and serving the government’s mission with compassion and heart. To learn more about Criterion , visit cherokee-federal.com.
#CherokeeFederal #LI-CK2 #IntelCareers
Cherokee Federal is a military friendly employer. Veterans and active military transitioning to civilian status are encouraged to apply.
Similar searchable job titles:
Cybersecurity Engineer
Cybersecurity Analyst
Cybersecurity Technician
Cybersecurity Manager
SOC Analyst
Keywords:
Electronic Key Management System
Public Key Infrastructure
Host Based Security System
Security Operations
Information Systems
Legal Disclaimer: Cherokee Federal is an equal opportunity employer. Please visit cherokee-federal.com/careers for information regarding our Affirmative Action and Equal Opportunity Employer Statement, and Accommodation request.
Many of our job openings require access to government buildings or military installations. Candidates must pass pre-employment qualifications of Cherokee Federal.
As required by our governmental client, this position requires being a US Citizen AND an active TS/Sensitive Compartmental Information (SCI) clearance.
See All 23 Security Specialist Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
Find Security Specialist JobsSecurity Specialist Jobs by City in Missouri
Where Missouri roles are concentrated, by current openings.
Security Specialist Job Market in Missouri
A snapshot from current Missouri openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Technology & Software
- Construction & Real Estate
- Consulting & Professional Services
What Missouri Employers Look For
The qualifications that appear most often in security specialist jobs across Missouri.
- Active Missouri security contractor license or equivalent registration recognized by the Missouri Division of Professional Registration
- High school diploma or GED required, with associate or bachelor's degree preferred for analyst-level roles
- Completion of state-mandated security officer training hours before deployment on client sites
- Relevant certification such as CPP, PSP, or Security+ depending on physical or information security focus
- Clean background check and valid driver's license with acceptable driving history
- Demonstrated experience with access control systems, surveillance equipment, or incident reporting platforms
Security Specialist Jobs in Missouri: Frequently Asked Questions
How do you become a security specialist in Missouri?
Missouri requires security officers and specialists employed by licensed security contractors to register through the Missouri Division of Professional Registration, which oversees the Private Investigator and Watch, Guard or Patrol Agency licensing framework. Candidates must complete state-approved training hours, pass a background check, and hold at minimum a high school diploma. For corporate or information security roles, employers typically expect a relevant degree or industry certification such as CPP or Security+, though some positions accept equivalent work experience.
How much do security specialists make in Missouri?
Security specialists in Missouri earn a median of about $80,420 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $49,150 for the lowest 10% to over $135,030 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire security specialists in Missouri?
Employers hiring security specialists in Missouri right now include Liberty Defense, Target, and Walmart, based on current listings on Migrate Mate as of August 2026. Missouri's mix of federal contractors in St. Louis, state government agencies in Jefferson City, and large healthcare and financial institutions in Kansas City creates a broad and consistent employer base for security professionals across specialties.
Which Missouri cities have the most security specialist jobs?
St. Louis, Kansas City, and Springfield account for the most security specialist openings in Missouri. St. Louis leads because of its concentration of defense contractors, healthcare systems, and corporate headquarters, while Kansas City's financial services and logistics sectors generate strong demand, and Jefferson City draws openings tied to state government facilities and Capitol complex security operations.
Are there remote security specialist jobs in Missouri?
Yes, but they're limited. Security specialist work is largely site-dependent, covering physical patrols, access control, and on-site incident response that cannot move off-premises. About 11% of security specialist openings tied to Missouri are remote or hybrid as of August 2026, and those positions tend to concentrate in cybersecurity analysis, security operations center monitoring, and compliance or risk assessment functions rather than traditional physical security roles.
How can I get hired as a security specialist in Missouri with little or no experience?
The most realistic entry path is a security officer role with a licensed Missouri security contractor, where employers often hire candidates with no prior experience and provide the state-mandated training on the job. Large Missouri healthcare systems and university campuses frequently post entry-level campus safety and security aide positions that lead to full specialist roles. Earning a basic certification such as Security+ or completing a community college criminal justice program through institutions like St. Louis Community College strengthens applications considerably and distinguishes candidates from others at the same experience level.
Where can I find and apply to security specialist jobs in Missouri?
You can find and apply to security specialist jobs in Missouri on Migrate Mate, which lists current openings from employers hiring across the state. Search the listings to find roles that match your experience and location, then apply directly to the ones that fit.
See All 23 Security Specialist Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
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