Top 8998 Locate technician st. charles, mo Jobs in St. Louis, Mo

VoIP Technician - Tier III
Gabbit, LLC —Olivette, MO
- $85,000 - $95,000 a year
- Full-time
- Background check
- 3 years
- Analysis skills
- Paid training
- Health insurance
Quick Apply
11d
Senior Verification Engineering Technician
Leonardo DRS —Bridgeton, MO
- $54,586 - $70,962 a year
- Full-time
- Travel
- Mentoring
- Senior level
- Paid parental leave
- Health savings account
7d
Earn a $250 New Driver Promotion Driving with Via in St. Louis, MO!
Via Transportation —St. Louis, MO
- Up to $30 an hour
- Part-time
- Background check
- Local
- Pass drug screening
Call Center Specialist | Hiring Now | Onsite-Chesterfield
Blink Health —Chesterfield, MO
- Full-time
- HIPAA
- Research
- High school diploma or GED
- Paid holidays
- Health insurance
Quick Apply
Warehouse Worker / Delivery Driver (MO Class E)
Capitol Group Inc —Hazelwood, MO
- $23.40 an hour
- Full-time
- Clean driving record
- Driver's License
- Warehouse
- Disability insurance
- Health insurance
Customer Service Representative
Riverworks Coworking —St. Louis, MO
- $18.42 - $23.40 an hour
- Part-time
- Background check
- Computer literacy
- Analysis skills
- Health insurance
- 401(k)
Quick Apply
5d
Dock Worker - St. Louis, MO
ADM —St. Louis, MO
- $23.79 an hour
- Extended hours
- Background check
- Heavy lifting
- Cleaning
- Paid parental leave
- Health savings account
Administrative Assistant
Lefty's Fried Rice —St. Louis, MO
- $20.00 - $25.75 an hour
- Full-time
- Hybrid work
- Google Workspace
- Microsoft Outlook
- Computer literacy
Quick Apply
3d
Data Entry Clerk
HITS Corporation —St. Louis, MO
- $15 - $16 an hour
- Part-time
- Background check
- Office
- Administrative experience
Quick Apply
IT Technician (Inventory Support)
U.S. District Court Eastern District of Missouri —St. Louis, MO
- $45,835 - $82,301 a year
- Full-time
- Computer science
- Computer Science
- Word processing
- Free parking
- Commuter assistance
Quick Apply
12d
Pet Insurance Sales Associate - St. Louis, MO
Fetch Pet Insurance —St. Louis, MO
- $50,000 - $85,000 a year
- Full-time
- Background check
- Sales
- Customer service
- Health insurance
- Dental insurance
Quick Apply
Company Driver - 2 Years Experience
Arch Express —Maryland Heights, MO
- $20.00 - $21.50 an hour
- 8 hour shift
- Mid-level
- Driver's License
- Driving
- Health insurance
- Dental insurance
Quick Apply
Aviation Line Service Technician
Strategic Air Services —Chesterfield, MO
- $19 - $20 an hour
- Weekends as needed
- Driver's License
- Organizational skills
- In-person
- Health insurance
- Dental insurance
Quick Apply
NOW HIRING: CDL CLASS A DRIVERS – LOCAL USPS (ST. LOUIS)
AVAX LOGISTICS INC —St. Louis, MO
- $32 - $36 an hour
- Overtime
- Dedicated
- Clean driving record
- Local
Quick Apply
Office Administration
DCRS Solutions —St. Louis, MO
- From $50,000 a year
- Full-time
- Microsoft Excel
- Computer literacy
- Research
- Health savings account
- Health insurance
13d
Merchandiser II- St Louis, MO
ADM —St. Louis, MO
- $70,400 - $131,200 a year
- Overtime
- Background check
- Microsoft Outlook
- Sales
- Paid parental leave
- Health savings account
Behavioral Health Technician (BHT)
Queen of Peace Center —St. Louis, MO
- From $18 an hour
- Overnight shift
- Background check
- CPR Certification
- BLS Certification
- Health insurance
- Dental insurance
Quick Apply
Direct Support Professional (Arnold/Imperial, MO)
Sunnyhill Inc. —Fenton, MO
- $19.03 - $21.50 an hour
- Part-time
- High school diploma or GED
- Mentoring
- Communication skills
- Paid training
- Opportunities for advancement
Quick Apply
Post Harvest Technician
Blue Arrow Missouri —St. Louis, MO
- $16 - $17 an hour
- Full-time
- Background check
- Basic math
- English
- Health insurance
- Dental insurance
Quick Apply
Help Desk Technician Level 1
NWO IT SERVICES —St. Louis, MO
- $40,000 - $45,000 a year
- Full-time
- Microsoft Outlook
- Research
- Mid-level
- Health insurance
- Dental insurance
Quick Apply

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VoIP Technician - Tier III

Gabbit, LLC
Olivette, MO

Quick Apply

Job Details

Full-time
$85,000 - $95,000 a year
11 days ago

Benefits

Paid training
Health insurance
Dental insurance
401(k)
Paid time off
On-the-job training
Vision insurance
401(k) matching

Qualifications

Customer communication
Technical documentation
CCNA
Incident Escalation
Troubleshooting audio issues
VLAN
Firewall
Bachelor's degree
Quality issues
Problem-solving
CompTIA Network+
Customer support ticket management
AV system troubleshooting
Voice over internet protocol (VoIP) configuration
Linux
Technical writing experience within technology
Escalation handling
Network Address Translation (NAT)

Full Job Description

Job Summary

We are seeking an experienced Tier III VoIP Technician to provide advanced technical support for our voice and network environments. This position serves as a senior escalation point for complex VoIP, SIP, RTP, and network-related issues that cannot be resolved through standard Tier I or Tier II troubleshooting.

The ideal candidate has a strong understanding of SIP-based voice communications, IP networking, and real-time media troubleshooting. This individual should be comfortable analyzing packet captures, diagnosing call-flow and audio issues, working directly with customers, and taking ownership of technically challenging cases through resolution.

Key Responsibilities

Serve as a Tier III escalation point for complex VoIP, network, and customer-impacting technical issues.
Troubleshoot SIP signaling, registration, authentication, call routing, call setup, and call teardown issues.
Diagnose RTP and media-related problems, including one-way audio, no audio, intermittent audio, latency, jitter, and packet loss.
Analyze SIP traces, call logs, packet captures, and other diagnostic information to determine root cause.
Use tools such as Wireshark and related network diagnostic utilities to troubleshoot signaling and media problems.
Troubleshoot network connectivity and voice-quality issues involving TCP/IP, UDP, DNS, DHCP, NAT, VLANs, routing, firewalls, and QoS.
Identify problems involving customer networks, firewalls, routers, switches, SIP devices, carriers, and upstream service providers.
Work directly with customers to gather technical information, reproduce issues, explain findings, and coordinate resolution.
Take ownership of escalated cases from initial investigation through resolution and customer communication.
Collaborate with internal support, engineering, operations, and network teams on complex or recurring technical issues.
Escalate carrier or vendor-related issues when appropriate and provide the technical evidence necessary to drive resolution.
Document troubleshooting steps, root causes, resolutions, and relevant technical findings in support tickets.
Identify recurring problems and recommend improvements to processes, documentation, monitoring, or system configuration.
Assist Tier I and Tier II technicians with advanced troubleshooting and technical guidance.
Contribute to internal knowledge-base documentation and troubleshooting procedures.

Required Qualifications (MUST HAVE)

1) Advanced understanding of SIP signaling and RTP media.

2) Ability to read and interpret SIP call flows, headers, response codes, SDP, and related signaling information.

3) Experience analyzing packet captures using Wireshark or similar tools.

4) Strong understanding of IP networking concepts, including:

TCP/IP and UDP
DNS and DHCP
NAT
VLANs
Routing and subnetting
Firewalls and access-control rules
QoS and traffic prioritization

5) Experience troubleshooting voice-quality issues such as latency, jitter, packet loss, one-way audio, and dropped calls.

6) Ability to distinguish between application, endpoint, network, carrier, and customer-environment issues.

7) Minimum of 3 years of experience working directly with customers on complex technical problems.

8) Strong written and verbal communication skills, including the ability to explain technical issues clearly to both technical and non-technical audiences.

9) Strong analytical and problem-solving skills with the ability to independently investigate complex issues.

10) Ability to manage multiple escalated cases while maintaining accurate technical documentation.

Preferred Qualifications

Experience supporting hosted or cloud-based VoIP platforms.
Experience with SIP trunks, SBCs, IP phones, ATAs, and related voice infrastructure.
Familiarity with common PBX and unified communications platforms.
Experience troubleshooting carrier and PSTN-related call-routing issues.
Familiarity with Linux command-line troubleshooting.
Experience with network monitoring, logging, or centralized diagnostic platforms.
Networking or VoIP certifications such as CCNA, Network+, SIP School, or equivalent practical experience.
Previous experience in a Tier III, senior technical support, NOC, telecom, or network engineering environment.

What Success Looks Like

A successful Tier III VoIP Technician can take an ambiguous customer-reported voice problem, methodically isolate the issue, gather and interpret the necessary technical evidence, identify the root cause, and drive the issue to resolution.

This role requires someone who is comfortable going beyond scripted troubleshooting and understands how voice applications, SIP signaling, RTP media, and IP networks interact in real-world environments.

Ideal Candidate

You are naturally curious and persistent when troubleshooting difficult technical problems. You do not stop at identifying a symptom—you want to understand why the problem occurred and how to prevent it from happening again.

You are equally comfortable reviewing a SIP trace or packet capture and communicating with a customer about what is happening. You take ownership of escalations, document your findings clearly, and work effectively across teams to resolve complex issues.

Pay: $85,000.00 - $95,000.00 per year

Benefits:

401(k)
401(k) matching
Dental insurance
Health insurance
On-the-job training
Paid time off
Vision insurance

Education:

Bachelor's (Required)

Experience:

VoIP systems support: 3 years (Required)

Ability to Commute:

Olivette, MO 63132 (Required)

Work Location: In person

Quick Apply

Refine Your Search

locate technician st. charles, mo jobs in st. louis, mo

VoIP Technician - Tier III

Senior Verification Engineering Technician

Earn a $250 New Driver Promotion Driving with Via in St. Louis, MO!

Call Center Specialist | Hiring Now | Onsite-Chesterfield

Warehouse Worker / Delivery Driver (MO Class E)

Customer Service Representative

Dock Worker - St. Louis, MO

Administrative Assistant

Data Entry Clerk

IT Technician (Inventory Support)

Pet Insurance Sales Associate - St. Louis, MO

Company Driver - 2 Years Experience

Aviation Line Service Technician

NOW HIRING: CDL CLASS A DRIVERS – LOCAL USPS (ST. LOUIS)

Office Administration

Merchandiser II- St Louis, MO

Behavioral Health Technician (BHT)

Direct Support Professional (Arnold/Imperial, MO)

Post Harvest Technician

Help Desk Technician Level 1

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