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Tier 3 Systems Engineer

Mankato, MN · On-site

$85K - $95K/yr

This position combines advanced Tier 3 technical support with systems engineering, cloud infrastructure, networking, cybersecurity, and project responsibilities. When Tier 1 and Tier 2 technicians ...

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Tier 3 System Sustainment Engineer

Aurora, CO · On-site

Perform overall systems and security support functions, including identifying and performing ... Provide Tier 2/Tier 3 sustainment and engineering support for AV and multimedia systems in support ...

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Tier 3 System Sustainment Engineer

Aurora, CO · On-site

Perform overall systems and security support functions, including identifying and performing ... Provide Tier 2/Tier 3 sustainment and engineering support for AV and multimedia systems in support ...

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Tier Iii Systems Engineer information

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$53.5K

$127.2K

$167K

How much do tier iii systems engineer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for tier iii systems engineer in the United States is $127,215.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $157,000.00 per year, depending on experience, location, and employer.

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Infographic showing various Tier Iii Systems Engineer job openings in the United States as of August 2026, with employment types broken down into 86% Full Time, 9% Part Time, 4% Contract, and 1% Nights. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $127,215 per year, or $61.2 per hour.

Tier III Systems Engineer

Glen Allen, VA • On-site

COMPLETE NETWORK INTEGRATION INC
IT Services • 11 - 50 employees
Learn more about COMPLETE NETWORK INTEGRATION INCexternal

$90K - $100K/yr

Full-time

Medical, Dental, Vision, PTO

Re-posted 26 days ago

Job description

Tier III Systems Engineer

 
Position Overview:
CNI is seeking an experienced Tier III Systems Engineer to serve as the senior technical authority for our managed services clients. This role acts as the final escalation point for complex technical issues while also leading infrastructure projects and advising client leadership on best-fit IT solutions.

The ideal candidate is a seasoned systems engineer who combines deep technical expertise with strong problem-solving skills, project ownership, and the ability to communicate confidently with both technical teams and client executives.
The candidate will be working in our Glen Allen Virginia office. 

Key Responsibilities:
Technical Leadership & Escalations
Serve as the final escalation point for Tier I and Tier II support teams
Troubleshoot and resolve complex, high-impact issues across client environments
Perform deep root-cause analysis and implement long-term, sustainable solutions
Mentor and guide Tier I & II engineers on advanced troubleshooting and best practices
Infrastructure & Project Delivery
Lead and execute projects related to clients’ overall IT infrastructure, including:
Server deployments and migrations
Virtualization platforms
Network architecture improvements
Cloud initiatives
Security enhancements
Own projects from design through implementation and documentation
Balance project work with high-priority operational support
Client Advisory & Strategy
Act as a trusted technical advisor to client points of contact and C-level stakeholders
Translate business needs into secure, scalable, and cost-effective IT solutions
Provide guidance on infrastructure roadmap planning and technology decisions
Communicate technical concepts clearly to non-technical audiences
 
Technical Expertise Required:
Advanced knowledge of:
Microsoft 365 platform including Entra, Exchange, Intune, Purview
Windows and/or Linux server environments
Google Workspace Admin platform
Virtualization platforms (VMware, Hyper-V, or similar)
Networking (routing, switching, firewalls, VPNs)
Public and private cloud platforms (Azure, AWS, etc.)
Cybersecurity principles and best practices
Strong troubleshooting methodology and documentation skills
Experience operating in a managed services or multi-client environment preferred
 
Professional Skills & Attributes:
Self-directed and comfortable owning complex problems end-to-end
Strong research skills and persistence when dealing with ambiguous issues
Excellent written and verbal communication
Calm and methodical under pressure
Able to balance technical depth with business awareness
 
Benefits & Compensation
Health Care Reimbursement Account (HRA):
$400/month tax-free for employees
$800/month tax-free for employees with dependents
Eligible after 90 days of employment
(Health insurance required to participate; funds may be used for premiums, dental, vision, medical copays, and prescriptions)
 Paid Time Off: 120 hours accrued annually, eligible after 90 days of employment. Holiday pay begins day 1.
 Competitive salary based on experience
Opportunities for growth, influence, and technical ownership
 
Why This Role Matters:
This position is critical to maintaining technical excellence, client trust, and long-term infrastructure stability. The Tier III Systems Engineer is not just a problem solver — they are a technical leader and advisor who shapes how clients experience CNI.