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Network Security Engineer Jobs in Missouri (NOW HIRING)

Apex Systems

Network Security Engineer 2

Saint Louis, MO · On-site

$99K - $135K/yr

Job#: 3041286 Remote Network Security Engineer Overview We are seeking a Network Security Engineer to join a team responsible for designing, implementing, and supporting enterprise network security ...

Jobgether

Our partner is looking for a Network Security Consultant based in Netherlands. This part-time ... Collaborate with product managers and AI engineering teams to transform domain expertise into AI ...

New

Advantage Tech

Security Engineer

Kansas City, MO · Hybrid

$120K/yr

Plan, engineer, and monitor overall security implementation of network systems * Support in configuring and implementing network security tools * Test and provide solutions for system weaknesses ...

Advantage Tech

Security Engineer

Kansas City, MO · On-site

$120K/yr

Plan, engineer, and monitor overall security implementation of network systems * Support in configuring and implementing network security tools * Test and provide solutions for system weaknesses ...

Jobgether

As an Offensive Security Engineer, you will own external attack surface testing, reconnaissance ... You will work closely with security operations, infrastructure, network, and IT teams to transform ...

Apex Systems

Network Engineer

Saint Louis, MO · On-site

Job#: 3039814 Network Engineer Location: St. Louis, Missouri (Remote) Role Overview We are seeking ... Support and maintain network security solutions, including firewalls and secure access controls.

Avtech solution

Network Architect

Saint Louis, MO · On-site

$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 ...

Jobgether

Strengthen and maintain perimeter and network security controls, including web application ... across engineering teams. Requirements * At least 5 years of experience in information security ...

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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 Jul 16, 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 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 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 are the key skills and qualifications needed to thrive as a Network Security Engineer, and why are they important?

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 Network Security Engineers?

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 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.

More about Network Security Engineer jobs
What are the most commonly searched types of Network Security Engineer jobs in Missouri? The most popular types of Network Security Engineer jobs in Missouri are:
What are popular job titles related to Network Security Engineer jobs in Missouri? For Network Security Engineer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Network Security Engineer jobs in Missouri look for? The top searched job categories for Network Security Engineer jobs in Missouri are:
What are popular job titles related to Network Security Engineer jobs in MO? For Network Security Engineer jobs in MO, the most frequently searched job titles are:
Network Security Engineer jobs near you
Infographic showing various Network Security Engineer job openings in Missouri as of July 2026, with employment types broken down into 56% Full Time, and 44% Contract. Highlights an 89% In-person, and 11% Remote job distribution, with an average salary of $117,202 per year, or $56.3 per hour.
Network Security Engineer 2

Network Security Engineer 2

Apex Systems

Saint Louis, MO • On-site

$99K - $135K/yr

Other

Medical, Dental, Vision, Life, Retirement

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Job#: 3041286
Job Description:
Remote Network Security Engineer
Overview
We are seeking a Network Security Engineer to join a team responsible for designing, implementing, and supporting enterprise network security solutions. This role offers the opportunity to work across a variety of security technologies and collaborate with multiple IT teams to deliver secure, scalable, and reliable solutions that support business objectives.
The ideal candidate is passionate about network security, enjoys solving complex technical challenges, and thrives in a collaborative environment. This position provides opportunities to expand technical expertise and contribute to the ongoing evolution of security architecture, cloud security, and infrastructure protection.
Responsibilities
  • Design, implement, and support network security solutions across enterprise environments.
  • Configure, deploy, and administer Palo Alto Networks next-generation firewalls.
  • Manage and maintain firewall policies, security controls, and related security technologies.
  • Perform end-to-end security analysis and assessments on infrastructure and technology solutions.
  • Ensure security architecture, configuration standards, and best practices are followed during project delivery.
  • Support cloud security operations across AWS and Azure environments, including:
    • Identity and access management
    • Secure configuration management
    • Network security
    • Infrastructure as Code (IaC)
    • Data protection
    • Monitoring and logging
  • Conduct risk assessments and security reviews to identify vulnerabilities and recommend remediation plans.
  • Evaluate existing technologies, processes, and controls to identify opportunities for security improvements.
  • Participate in testing, research, and investigation activities to improve operational effectiveness and security posture.
  • Create and maintain technical documentation, architecture diagrams, operational procedures, and security standards.
  • Collaborate with cross-functional teams to understand business requirements and deliver secure, high-quality solutions.
  • Troubleshoot and resolve network and security-related issues.
Required Qualifications
  • Must be authorized to work in the United States without current or future sponsorship.
  • Must reside within the United States.
  • Ability to work during U.S. Central Time business hours.
  • 3+ years of experience in network engineering, network security, cybersecurity, or a related field.
  • 2+ years of experience supporting network and cloud security environments (AWS and/or Azure).
  • Hands-on experience designing, deploying, and administering Palo Alto Networks next-generation firewalls.
  • Experience creating and maintaining technical documentation, architecture diagrams, standards, and operational procedures.
  • Strong understanding of network security concepts, technologies, and best practices.
  • Excellent communication skills with the ability to collaborate effectively across technical and non-technical teams.
  • Commitment to incorporating security principles into all aspects of technology design and operations.
Preferred Qualifications
  • Experience administering security technologies such as:
    • Intrusion Prevention Systems (IPS)
    • Data Loss Prevention (DLP) solutions
    • Threat detection and monitoring platforms
  • Knowledge of scripting, automation, and security content development.
  • Experience building dashboards and security reporting solutions.
  • Experience performing security assessments, identifying control gaps, and implementing remediation recommendations.
  • Experience with automation and Infrastructure as Code tools such as Terraform and Ansible.
  • Experience with firewall auditing, compliance, and policy monitoring tools such as FireMon.
  • Experience with Cisco Firepower technologies.
  • Bachelor's degree in Computer Science, Information Systems, Cybersecurity, or a related field.
Nice-to-Have Skills
  • AWS Security
  • Azure Security
  • Palo Alto Networks
  • Cisco Firepower
  • Terraform
  • Ansible
  • FireMon
  • Network Architecture
  • Risk Assessment
  • Security Operations
  • Infrastructure as Code (IaC)

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
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