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Sr Network Infrastructure Engineer Jobs in Missouri

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Senior Engineer-Network

Louisiana, MO · On-site

$90 - $120/hr

Senior Engineer-Network Application Deadline: 30 September 2026 Department: NOC Employment Type ... Design, implement, and maintain secure network infrastructure (LAN, WLAN, WAN, and SD-WAN) across ...

Hubbell Incorporated

Senior Engineer, Network

Centralia, MO · On-site

$87K - $119K/yr

You will work closely with infrastructure, security, and operations teams to ensure reliable ... network architecture. This is an excellent opportunity for a senior engineer who enjoys owning ...

Hubbell Incorporated

Senior Engineer, Network

Cuba, MO · On-site

$92K - $126K/yr

You will work closely with infrastructure, security, and operations teams to ensure reliable ... network architecture. This is an excellent opportunity for a senior engineer who enjoys owning ...

Hubbell Incorporated

Senior Engineer, Network

Fenton, MO · On-site

$99K - $136K/yr

You will work closely with infrastructure, security, and operations teams to ensure reliable ... network architecture. This is an excellent opportunity for a senior engineer who enjoys owning ...

Hubbell Incorporated

Senior Engineer, Network

Centralia, MO · On-site

$87K - $119K/yr

You will work closely with infrastructure, security, and operations teams to ensure reliable ... standards and network architecture. This is an excellent opportunity for a senior engineer who ...

Lewis Brisbois

Senior Network Manager

Kansas City, MO · Hybrid

The Senior Network Manager collaborates with Information Security, Applications, and Business ... network engineering and infrastructure experience. * 5+ years of management or team leadership ...

Posted today

Advantage Tech

Sr. Infrastructure Engineer

Kansas City, MO · On-site

$105K - $143K/yr

Position Summary The Network Engineer is responsible for designing, maintaining, and supporting the client?s enterprise network and IT infrastructure. This role is split approximately 50% network ...

Jobgether

Close collaboration with experienced senior network engineers and opportunities for mentorship. * Exposure to cloud networking, software-defined networking, infrastructure automation, and CI/CD ...

New

ESO

Senior Network Engineer

California, MO · On-site

$110 - $160/hr

How You'll Support Our Mission We are looking for a Senior Network Engineer who brings deep ... Design, deploy, and maintain cloud and hybrid network infrastructure across environments.

LRS

Senior Network Engineer

Saint Louis, MO · On-site

$65 - $75/hr

LRS Consulting Services is seeking a Senior Network Engineer who enjoys solving complex infrastructure challenges, partnering with business leaders, and building reliable network solutions that ...

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Sr Network Infrastructure Engineer information

What does a Sr Network Infrastructure Engineer do?

A Sr Network Infrastructure Engineer is responsible for designing, implementing, and maintaining complex computer networks within an organization. This role involves ensuring network security, optimizing performance, and troubleshooting issues to support business operations. They often work with routers, switches, firewalls, and other network hardware, as well as collaborate with IT teams to support projects and upgrades. Senior engineers also play a key role in planning network growth and integrating new technologies.

What are the key skills and qualifications needed to thrive as a Sr Network Infrastructure Engineer?

To thrive as a Sr Network Infrastructure Engineer, you need deep expertise in network architecture, routing and switching, and a strong understanding of security protocols, typically supported by a bachelor's degree in a related field and relevant certifications like CCNP or CCIE. Proficiency in configuring and maintaining network hardware (e.g., Cisco, Juniper), network monitoring tools, and automation platforms is essential. Exceptional problem-solving, communication, and project management skills help you lead initiatives and collaborate across departments. These skills and qualities are vital for ensuring reliable, secure, and scalable network operations in complex enterprise environments.

What are some typical challenges a Sr Network Infrastructure Engineer faces when managing large-scale network deployments?

Sr Network Infrastructure Engineers often encounter challenges such as ensuring network scalability, minimizing downtime during upgrades, and integrating new technologies with legacy systems. They must also address security vulnerabilities and maintain high performance across complex, multi-site environments. Effective communication and collaboration with cross-functional teams, such as security and cloud operations, are essential to successfully navigate these challenges and maintain robust network infrastructure.

What is the difference between Sr Network Infrastructure Engineer vs Network Engineer?

AspectSr Network Infrastructure EngineerNetwork Engineer
CertificationsCCNA, CCNP, Cisco certificationsCCNA, CompTIA Network+
Work EnvironmentData centers, enterprise networks, large-scale infrastructureSmall to medium business networks, office environments
ResponsibilitiesDesign, implement, and maintain complex network infrastructureConfigure and troubleshoot network devices and connections

The main difference is that Sr Network Infrastructure Engineers focus on large-scale, complex network systems and often hold advanced certifications, while Network Engineers typically handle day-to-day network setup and troubleshooting in smaller environments. Both roles require strong networking skills but differ in scope and complexity.

What are popular job titles related to Sr Network Infrastructure Engineer jobs in Missouri?

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

What job categories do people searching Sr Network Infrastructure Engineer jobs in Missouri look for?

The top searched job categories for Sr Network Infrastructure Engineer jobs in Missouri are:

What cities in Missouri are hiring for Sr Network Infrastructure Engineer jobs?

Cities in Missouri with the most Sr Network Infrastructure Engineer job openings:

Sr Network Infrastructure Engineer jobs near you
Infographic showing various Sr Network Infrastructure Engineer job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 9% Part Time, and 6% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

Sr. Network Engineer - CCNA/CCNP Certifications Req - LA METRO

Cornerstone Concilium

California, MO • On-site

$131 - $240/hr

Other

Posted 3 days ago

New

Key responsibilities

  • Design and implement secure network architectures for IT and data center systems.

  • Plan and execute security protocols, address security incidents, and conduct post-event analyses.

  • Oversee system upgrades, conduct routine security assessments, and integrate networks to enhance security posture.

Job description

Sr. Network Engineer - CCNA/CCNP Certifications Req - LA METRO

LA Metro is seeking a skilled Network Engineer to spearhead the implementation of a robust enterprise network. As the key transportation planner and operator for one of the nation’s largest counties, employing over 11,000 professionals, LA Metro is dedicated to continuously enhancing the safety, efficiency, and effectiveness of Los Angeles County's transportation system. Within the Information and Technology Systems Department (ITS), this role involves overseeing a complex technology infrastructure spanning 25 facilities within a 60-mile radius of the headquarters. Managing over 4,000 computers, 600 servers, 170 critical applications, and a diverse range of communication systems, the Network Engineer will contribute to more than 300 ongoing projects focused on optimizing existing technologies and introducing innovative solutions in alignment with Metro’s strategic business goals. Join us at LA Metro and be part of reshaping transportation in Los Angeles County.

Role Description

As a Senior Network Engineer at LA Metro, your primary role involves designing and implementing secure network architectures for IT/Small Data Center systems. Your responsibilities include planning and executing security protocols aligned with business strategies, promptly addressing security incidents, and conducting thorough post-event analyses. Additionally, you'll oversee system upgrades, conduct routine security assessments, and seamlessly integrate networks, all aimed at fortifying the network's security posture. Your expertise is crucial in ensuring a resilient and secure environment within LA Metro's network infrastructure.

Key Qualifications
  • Completion of a bachelor's degree in computer science or a related field from an accredited institution is a mandatory requirement.
  • Five or more years of senior-level network engineering experience.
  • Cisco CCNA/CCNP certifications.
  • Experience managing large mission critical network infrastructure.
Experience
  • Senior Network Engineer with over 5 years of experience in a mission-critical Cisco and Aruba environments.
  • Proficiency in scrutinizing, setting up, customizing, advancing, and preserving various elements within an expansive enterprise network.
Skills & Qualifications
  • Five years of verifiable and recent senior-level Network Engineer experience analyzing, installing, configuring, enhancing, and maintaining components of an enterprise network.
Knowledge of
  • Basic and advanced functions for core hardware and software components that comprise complex large systems or enterprise networks.
  • Analysis and evaluation techniques to plan, design, integrate, implement, maintain, and troubleshoot large complex systems or networks across similar and dissimilar technology platforms.
  • Advisory knowledge of network security is a plus.
Ability and Skill to
  • Assess, plan, and upgrade enterprise data systems efficiently.
  • Resolve issues without major system disruptions.
  • Apply judgment and creativity in designing and integrating complex networks.
  • Offer alternative solutions within standards.
  • Communicate well with professionals, vendors, and management.
  • Read and interpret technical literature.
  • Manage competing service requests effectively.
  • Be self-motivated with time management skills.

Full-time Onsite with some flexibility for partial remote work.

Location: Metropolitan Transportation Authority Once Gateway Plaza, Los Angeles, CA 90012

Salary Range: $131,000.00 to $240,000.00 YR

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