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Network Security Engineer Jobs in Missouri (NOW HIRING)

Jobtailor

Senior Network Security Engineer

California, MO · On-site

$140 - $190/hr

Qualifications * 7+ years of progressive experience in network security engineering, with hands‑on work in firewall management, network segmentation, VPN/ZTNA, and intrusion detection/prevention.

Kohl's

$53.75 - $70.25/hr

Role Specific Information About the Role The Senior Network Engineer, Network Security is a hands-on technical leader responsible for designing, implementing, and operating secure, reliable, and ...

Jobtailor

AI Platform Security Engineer

California, MO · On-site

$140 - $190/hr

... network controls * embed security controls into CI/CD pipelines and infrastructure-as-code ... AI engineers and platform teams to operationalize security standards Requirements * Bachelor ...

Avtech solution

Network Architect

Saint Louis, MO

$63 - $84.25/hr

Strong understanding of DevOPS, Linux, Datacenter Routing and Switching. Strong knowledge of and experience with Network and Security infrastructure such as Firewalls, Network Load balancing and ...

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All JobsNetwork Security Engineer JobsNetwork Security Engineer Jobs in Missouri

Network Security Engineer information

See Missouri salary details

$19.7K

$117.2K

$156.6K

How much do network security engineer jobs pay per year?

As of Aug 29, 2026, the average yearly pay for network security engineer in Missouri is $117,202.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $134,100.00 per year, depending on experience, location, and employer.

What is a network security engineer?

Network Security Engineers are IT professionals responsible for protecting an organization's computer networks from security threats and unauthorized access. They design, implement, and maintain security measures such as firewalls, intrusion detection systems, and encryption protocols. Their role involves monitoring network traffic, responding to security incidents, and ensuring compliance with security policies and regulations. Network Security Engineers also conduct regular vulnerability assessments and work to keep systems up to date against evolving cyber threats.

What does a network security engineer do?

As a network security engineer, your job duties include configuring routers, switches, firewalls, virtual private networks (VPNs), and other network monitoring tools against intrusions. You need technical, analytical, and problem-solving skills to carry out your network security tasks. Your job is to ensure that your company’s internal networks are protected from potential online threats, like hackers and malware that can steal or corrupt sensitive data from websites, computer programs, databases, and servers. You need to remain current with new developments in the field to master fast-evolving network security technologies.

What are the key skills and qualifications needed to thrive as a network security engineer?

To thrive as a Network Security Engineer, you need a solid understanding of networking protocols, firewall management, vulnerability assessment, and typically a bachelor's degree in computer science or a related field. Familiarity with security tools like IDS/IPS, SIEM systems, and certifications such as CISSP or CompTIA Security+ are highly valued. Strong analytical thinking, attention to detail, and effective communication skills help distinguish top professionals in this role. These skills are crucial for safeguarding organizational data, identifying security threats, and ensuring robust network protection.

What are some common challenges faced by network security engineers in maintaining secure and efficient networks?

Network Security Engineers often encounter challenges such as staying ahead of rapidly evolving cyber threats, ensuring minimal downtime during security upgrades, and balancing strong security measures with network performance. Additionally, they must work closely with IT teams and end-users to implement security policies without disrupting daily operations. Keeping up with compliance standards and effectively communicating risks and solutions to non-technical stakeholders are also important aspects of the role.

What is the difference between Network Security Engineer vs Security Analyst?

AspectNetwork Security EngineerSecurity Analyst
CertificationsCCNA, CISSP, CompTIA Security+CISSP, GIAC Security Essentials, CompTIA Security+
Work EnvironmentDesigning, implementing, and maintaining security infrastructureMonitoring, analyzing, and responding to security incidents
Employer & Industry UsageIT departments, cybersecurity firms, large enterprisesCorporate security teams, government agencies, financial institutions

While both roles focus on cybersecurity, Network Security Engineers primarily design and implement security systems, whereas Security Analysts monitor and respond to security threats. They often work together to ensure comprehensive protection of organizational networks.

Are network security engineers in demand?

Network security engineers are in high demand due to increasing cybersecurity threats and the need for organizations to protect their digital assets. The role requires skills in firewalls, intrusion detection, and security protocols, and often benefits from certifications like CISSP or CEH. Job growth in this field is expected to remain strong as cybersecurity remains a top priority for businesses worldwide.
More about Network Security Engineer jobs

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For Network Security Engineer jobs in Missouri, the most frequently searched job titles are:

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Network Security Engineer jobs near you
Infographic showing various Network Security Engineer job openings in Missouri as of August 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 100% In-person job distribution, with an average salary of $117,202 per year, or $56.3 per hour.

Senior Network Security Engineer

California, MO • On-site

Jobtailor
See more jobs at Jobtailorexternal

$140 - $190/hr

Other

This job post has expired 3 days ago. Applications are no longer accepted.

Job description

Responsibilities
  • Own the day-to-day engineering, configuration, and optimization of ZTNA and microsegmentation across environments.
  • Design and implement microsegmentation policies that enforce least‑privilege network access across data center, cloud, and hybrid workloads.
  • Drive enterprise‑wide ZTNA adoption, partnering with infrastructure, application, and DevOps teams to onboard users and services.
  • Build and maintain segmentation maps, traffic flow baselines, and policy rule sets aligned to business‑critical applications and regulatory boundaries.
  • Support and troubleshoot network access issues related to ZTNA policy enforcement, split tunneling, and identity‑aware access controls.
  • Learn to design, build, and manage AI agents (using platforms such as Kindo.ai, n8n, and Claude/Anthropic APIs) that automate routine network security operations including policy reviews, firewall rule audits, segmentation gap analysis, and anomaly triage.
  • Build AI‑assisted runbooks that enable autonomous or semi‑autonomous handling of common network security events, escalating only when human judgment is required.
  • Instrument and monitor AI agent performance, accuracy, and safety using human feedback loops and governance frameworks established by the CISO organization.
Qualifications
  • 7+ years of progressive experience in network security engineering, with hands‑on work in firewall management, network segmentation, VPN/ZTNA, and intrusion detection/prevention.
  • Demonstrated experience with micro segmentation platforms and ZTNA.
  • Strong working knowledge of TCP/IP, DNS, routing/switching, proxy architectures, and cloud networking.
  • Familiarity or strong willingness to learn AI/ML concepts, prompt engineering, and agentic automation frameworks.
  • Excellent communication skills with the ability to translate complex technical concepts for both technical and executive audiences.
  • Bachelor’s degree in computer science, Information Security, or related field (or equivalent experience).
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