Tier III Systems Engineer

Benefits:

• Bonus based on performance
• Company parties
• Competitive salary
• Health insurance
• Paid time off
• Training & development
  
  
  

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.