Tier III Systems Engineer

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

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