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Sr Network Infrastructure Engineer Jobs in Missouri

Meridian Systematics

Sr Network Engineer

Saint Louis, MO · On-site

$140 - $190/hr

The Senior Network Engineer delivers Tier III SME-level support across customer Data Center networks, application delivery platforms, and network security environments. This role spans the full ...

Meridian Systematics

Sr Network Engineer

Saint Louis, MO · On-site

$110K - $136K/yr

The Senior Network Engineer delivers Tier III SME-level support across customer Data Center networks, application delivery platforms, and network security environments. This role spans the full ...

GDIT

Sr Network Engineer

Saint Louis, MO

$101K - $138K/yr

None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Data Center ... Our work depends on a Sr. Network Engineer with TS/SCI security clearance and willing to take CI ...

Segra

Infrastructure Senior Engineer

Kansas City, MO · On-site

$105K - $143K/yr

The Infrastructure Senior Engineer is a senior-level technical leader within the Information ... CompTIA (Server+, Network+, Security+). Key Competencies: * Hands-on data center experience is ...

lumos

Infrastructure Senior Engineer

Kansas City, MO · Hybrid

$105K - $143K/yr

The Infrastructure Senior Engineer is a senior-level technical leader within the Information ... CompTIA (Server+, Network+, Security+). Key Competencies: * Hands-on data center experience is ...

JE Dunn

Network Manager

Kansas City, MO · On-site

$110 - $160/hr

... infrastructure. This role oversees a team of network analysts, engineers, and architects, ensuring ... Senior Network Operations Manager Key Role Responsibilities - Core NETWORK MANAGEMENT FAMILY - CORE

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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.

Senior Infrastructure Engineer

Moore Computing LLP

Saint Louis, MO • On-site

$105K - $143K/yr

Full-time

Re-posted yesterday

Key responsibilities

  • Assess, design, and implement on-premise and cloud infrastructure solutions.

  • Work with end users and client network administrators to resolve technical issues and share technical experience.

  • Respond to and resolve critical issues to restore service levels and develop action plans to prevent future disruptions.

Job description

Sr. Infrastructure/Cloud Engineer




Overview


If you are an experienced infrastructure or cloud engineer with a passion for designing, implementing and supporting cloud (Azure) and on-premise infrastructure solutions, Moore Computing may be the destination you have been looking for!


Moore Computing is seeking experienced infrastructure engineers to exceed the needs of our growing customer base and rapidly expanding portfolio of customers migrating to Microsoft Azure!


What You Will be Doing


  • Act as a lead technical resource to multiple customers guiding their technology adoption to accelerate their business.
  • Work with a multi-tiered team of experienced engineers to deliver world-class support and solutions.
  • Assess, design and implement on-premise and cloud infrastructure solutions
  • Work with end users and client network administrators to resolve technical issues and share technical experience to elevate others
  • Develop technology plans for customers based on customer interactions and needs.
  • Respond and resolve critical issues (emergencies) when they arise to quickly restore service levels and develop action plans to prevent similar service disruptions in the future.
  • Continually working to elevate your own technical and professional skills through self-study, R&D, and shared experiences from others.
  • Work will be performed in various locations: on-premise (in and around the St. Louis area), at the Moore Computing offices, and remotely.


Desired Skills and Abilities


  • 5 years of experience delivering technology solutions and support for multiple customers.
  • Extensive experience supporting the Microsoft stack of products (Windows Server, Windows 7/10, Office365, and more)
  • A proven track record of successfully diagnosing and resolving both complex and simple technology challenges
  • Must be able to pass a background check




Behaviors


  • A passion for delivering world-class service!
  • Be a productive member of multiple teams to deliver service and solutions
  • A deep desire to learn new technologies and grow professionally
  • Be a teacher/mentor to others in areas that you have experience, and a student of those that have knowledge to share
  • Ability to quickly change direction and react to changes in priorities and work assignments in a fast-paced environment
  • Communicate in a clear, concise, direct, and respectful manner




What’s in it for You


  • Competitive salary
  • Strong benefits package
  • Career training and experience
  • Opportunities to work with the latest technologies
  • Advancement opportunities
  • Leadership opportunities




Not ready for this challenge or looking to apply your skills and abilities in a different role?  Moore Computing has many other opportunities.  We are seeking top talent at all skill levels, including project managers, automation guru’s, desktop engineers, long-term IT staffing, Support Center (help desk) and more!