Cybersecurity Engineer Jobs in Missouri
Cybersecurity Engineer jobs in Missouri are concentrated in financial services, defense contracting, and healthcare IT, with strong demand at every level from entry-level security analysts moving into engineering roles to senior architects leading enterprise programs. Kansas City and St. Louis anchor the market, with secondary activity in Columbia and around Scott Air Force Base, where employers like Cerner (now Oracle Health), World Wide Technology, and the Department of Defense's regional contractors maintain large and lasting security teams. Cloud security, threat detection, and OT/ICS security for industrial and defense clients are among the most sought-after specialties in the state. Find a role that fits below and apply directly.
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The Opportunity
Reporting to the Lead of Focused Operations, under the Branch Chief of Defensive Cyber Operations, you will be tasked with developing and maintaining defensive countermeasures for the enterprise. Working within a Fusion model, will collaborate with other teams within Focused Operations with the distinct task of proactively preventing a successful compromise and eradicating persistent adversaries already in the enterprise. This will be done through various means such as: reviewing future and past intelligence reports, reviewing incident reports, through regular Purple Teaming exercises, and continuously validating Defensive Countermeasures already deployed.
Responsibilities
Analyzes trends and patterns of data on NGA networks to identify and predict previously undiscovered events and incidents, and develop or tune rules/signatures/scripts as needed.
Coordinates with Defensive Cyber Operations and Focused Operations to develop or tune rules/signatures/scripts.
Coordinates with other Cybersecurity Operations Services to investigate and obtain information about potential sources of compromise on enterprise systems, and develop or tune rules/signatures/scripts as needed.
Correlates and analyzes precursors to incidents, and develop or tune rules/signatures/scripts as needed.
Will collaborate with the Cyber Data Analytics team to achieve SIEM alert efficiency though evaluation of valid alerts and false positives, and develop or tune rules/signatures/scripts as needed
Work with the Cyber Incident Response Team by assessing ongoing incident activity to predict adversary responses and locations of compromise to assist with triage.
Documents all work in the authorized ticketing system with a sufficient level of detail to ensure all stakeholders can systematically reconstruct the analysis;
Provide input to reoccurring meetings and briefings as required.
Qualifications
Required
Must be a US Citizen with an Active TS/SCI.
8+ years of related advanced cyber security analytics work experience.
Must have a certification that is compliant with DoD 8140.01 and DoD 8570.01-M IAT Level III and CSSP Analyst.
Experience with data mining or building queries in a SIEM.
Strong understanding of signature development and tuning.
Strong understanding of network protocols and analysis with protocol analyzers.
Knowledge of static file signatures, i.e. "magic numbers" and how it applies to developing countermeasures for files in transit and that reside locally on a host.
Good working knowledge of regular expressions.
Desired
Comfortable in a hex editor.
Ability to write python/bash/powershell scripts.
Ability to analyze each use case, as it pertains to detection logic, and identify the corresponding capability.
Good understanding of Purple Team Tactics.
Familiarity with security in a cloud environment and how it applies to visibility gaps, data lakes and data mining.
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What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range :
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$75,200-$158,100CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
See All 6 Cybersecurity Engineer Jobs in Missouri
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Find Cybersecurity Engineer JobsCybersecurity Engineer Jobs by City in Missouri
Where Missouri roles are concentrated, by current openings.
Cybersecurity Engineer Job Market in Missouri
A snapshot from current Missouri openings, updated as new roles post.
Who's Hiring



What Missouri Employers Look For
The qualifications that appear most often in cybersecurity engineer jobs across Missouri.
- Bachelor's degree in cybersecurity, computer science, or a closely related field required
- Industry certifications such as CISSP, CEH, or CompTIA Security+ strongly preferred
- Hands-on experience with SIEM platforms, firewalls, and endpoint detection tools
- Familiarity with NIST, CMMC, or HIPAA compliance frameworks relevant to Missouri industries
- Active DoD security clearance or eligibility to obtain one for defense-sector roles
- Proficiency in scripting languages such as Python or PowerShell for security automation
Cybersecurity Engineer Jobs in Missouri: Frequently Asked Questions
How do you become a cybersecurity engineer in Missouri?
Missouri does not require a state-issued license to work as a cybersecurity engineer, so the path runs through education and industry credentials. Most employers expect a bachelor's degree in cybersecurity, computer science, or information systems, followed by certifications like CompTIA Security+, CISSP, or CISM. Missouri's defense sector employers additionally look for candidates who can obtain a federal security clearance, which typically requires U.S. citizenship and a clean background.
How much do cybersecurity engineers make in Missouri?
Cybersecurity engineers in Missouri earn a median of about $103,440 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $60,700 for the lowest 10% to over $161,430 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire cybersecurity engineers in Missouri?
Missouri cybersecurity engineer roles are posted by CACI International, SAIC, and Clayco and others right now, based on current listings on Migrate Mate as of November 2026. Missouri's mix of large defense contractors, regional health systems, and financial technology firms means hiring happens across a wide range of industries rather than clustering in a single sector.
Which Missouri cities have the most cybersecurity engineer jobs?
St. Louis lead Missouri for cybersecurity engineer openings. Kansas City's concentration of financial services firms and healthcare IT companies, St. Louis's anchor in defense contracting and enterprise technology through employers like World Wide Technology, and Columbia's growing university and health system presence together explain why these metros consistently generate the most postings.
Are there remote cybersecurity engineer jobs in Missouri?
Yes, and more than most fields. About 0% of cybersecurity engineer openings tied to Missouri are remote or hybrid as of November 2026, reflecting how much of the work involves monitoring dashboards, analyzing logs, and responding to alerts from anywhere with a secure connection. Roles focused on cloud security, threat intelligence, and SOC analysis tend to be the most remote-accessible, while positions requiring physical access to on-premises infrastructure or classified environments typically remain on-site.
How can I get hired as a cybersecurity engineer in Missouri with little or no experience?
The most realistic entry point is a security operations center analyst role, which many Missouri employers use as a pipeline into engineering positions. World Wide Technology and Oracle Health in the Kansas City and St. Louis areas run structured associate and early-career programs that recruit candidates with CompTIA Security+ or Network+ certifications even without prior professional experience. Lateral moves from IT support, network administration, or systems administration are also common. Building a home lab, earning a recognized entry-level certification, and demonstrating hands-on skills through a portfolio or capture-the-flag competitions meaningfully strengthen a Missouri application.
Where can I find and apply to cybersecurity engineer jobs in Missouri?
You can find and apply to cybersecurity engineer jobs in Missouri on Migrate Mate, which lists current Missouri openings across Kansas City, St. Louis, Columbia, and beyond. Search the listings to find roles that match your experience level and specialization, then apply directly to the ones that fit.
See All 6 Cybersecurity Engineer Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
Find Cybersecurity Engineer Jobs