Tier III Systems Engineer

Complete Network Integration; Glen Allen (VA); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

HRA $400/month for employees

HRA $800/month for employees with-dep

120 hours PTO annually

Holiday pay from day 1

Competitive salary based on experience

Growth opportunities

Job summary

Complete Network Integration (CNI) is seeking an experienced Tier III Systems Engineer to serve as the senior technical authority for our managed services clients, based in Glen Allen, Virginia. This role acts as the final escalation point for complex technical issues while leading infrastructure projects and advising client leadership on IT solutions.

The candidate will be a seasoned systems engineer with deep technical expertise, strong problem-solving skills, project ownership, and the

Qualifications

• Extensive experience in managed services or multi-client environments.
• Strong problem-solving and troubleshooting methodologies.
• Ability to mentor Tier I & II engineers and lead complex projects.
• Effective communication with technical teams and client executives.

Responsibilities

• Provide technical leadership and escalation for complex issues.
• Lead and deliver IT infrastructure projects (servers, virtualization, networking, cloud).
• Mentor Tier I & II engineers on advanced troubleshooting and best practices.
• Act as trusted advisor to client contacts and C-level stakeholders.
• Document solutions and project designs clearly for clients.

Tools

VMware

Hyper-V

Windows Server

Linux Server

Microsoft 365

Entra

Exchange

Intune

Purview

Google Workspace Admin

Azure

AWS

Networking (VPNs/Firewalls)

Cybersecurity basics

Documentation

Job description

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.