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Tier Three Network Engineer Jobs in Missouri (NOW HIRING)

Summary: The Network Engineer designs, implements, and maintains secure, scalable, and high ... Tier 3 support and participate in on-call rotation. Supervisory Responsibilities: None Education ...

Summary: The Network Engineer designs, implements, and maintains secure, scalable, and high ... Tier 3 support and participate in on-call rotation. Supervisory Responsibilities: None Education ...

Senior Network Engineer

Saint Louis, MO · On-site

$101K - $138K/yr

Strong expertise in Layer 2 / Layer 3 networking , including routing protocols such as BGP, OSPF ... and network security engineering . * Strong hands-on experience delivering complex network ...

Senior Network Engineer

Saint Louis, MO · On-site

$101K - $138K/yr

Strong expertise in Layer 2 / Layer 3 networking , including routing protocols such as BGP, OSPF ... and network security engineering . * Strong hands-on experience delivering complex network ...

Senior Network Engineer

Saint Louis, MO · On-site

$101K - $138K/yr

Strong expertise in Layer 2 / Layer 3 networking , including routing protocols such as BGP, OSPF ... and network security engineering . * Strong hands-on experience delivering complex network ...

Senior Network Engineer

Saint Louis, MO · On-site

$101K - $138K/yr

Strong expertise in Layer 2 / Layer 3 networking , including routing protocols such as BGP, OSPF ... and network security engineering . * Strong hands-on experience delivering complex network ...

Network Engineer II

Clinton, MO · On-site +1

$85K/yr

Network Engineer II Department: Information Technology Services Employment Type: Full Time Location ... Three (3) years equivalent work experience preferred * Expert knowledge of various routing ...

Hybrid 2-3 days a week on site after first 6 months getting up to speed on site every day. Position Summary We are seeking a seasoned Network Engineer to design, implement, optimize, and support a ...

The Network Engineer provides design, implementation, and support for hardware and software with a ... Qualifications Experience:3+years of CISCO routers, switches, and related equipment, LAN's, WAN ...

Network Engineer I

Clinton, MO · On-site +1

$76K/yr

Network Engineer I Department: Information Technology Services Employment Type: Full Time Location ... Three (3) years equivalent work experience preferred * Expert knowledge of various routing ...

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Tier Three Network Engineer information

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Infographic showing various Tier Three Network 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.

Engineer Network

VIVOS HOLDINGS

Saint Louis, MO • On-site

Full-time

Re-posted 28 days ago


Job description

Summary:

The Network Engineer designs, implements, and maintains secure, scalable, and high-performance enterprise network infrastructure. This role supports IT operations across multiple locations and cloud environments, ensuring reliable connectivity, strong security, and efficient troubleshooting.

Essential Duties and Responsibilities:

· Design, deploy and maintain enterprise network architecture (LAN/WAN/Wi-Fi/SD-WAN).

· Configure and manage firewalls, VPNs, and access controls.

· Monitor performance, resolve connectivity issues, and support cloud networking.

· Automate network tasks using scripting (PowerShell, Python).

· Collaborate with cybersecurity teams and document network standards.

· Manage vendor activities and ensure alignment with technical and project requirements.

· Lead hardware/software deployments and testing efforts to meet project timelines.

· Assist in preparing and maintaining disaster recovery (DR) procedures and documentation.

· Provide Tier 3 support and participate in on-call rotation.

Supervisory Responsibilities:

None

Education Requirements:

Bachelor’s degree in computer science, Information Technology, or a related field.

Experience Requirements:

Minimum of 5 years in Enterprise Network Engineering

Competencies:

· Proficient in TCP/IP, BGP, OSPF, VLANs, and QoS.

· Experience with Cisco, Palo Alto, Fortinet, and cloud platforms (M365, Azure).

· Skilled in automation, troubleshooting, and performance optimization.

· Familiar with Cybersecurity protocols and mitigation steps.

· Strong communication, documentation, and cross-functional collaboration.

· Knowledge of ITIL and Agile methodologies.

Certifications: Certificates, Licenses, Registrations:

· Any relevant certifications from Microsoft, Cisco, Fortinet, Palo Alto or VMWare would be considered a plus.

Travel:

Limited

Work Environment:

This job operates in a professional office environment. This role routinely uses standard office equipment such as computers, phones, photocopiers, filing cabinets and fax machines.

Physical Demands:

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; use hands to finger, handle or feel; and reach with hands and arms.