Senior Client Field Engineer - Onsite Deployments & Mentoring

R3 LLC; Washington (District of Columbia); On-site; USD 90,000 - 100,000; Full time

Benefits offered by this job

Competitive wages

Medical, dental, and vision insurance

401(k) with company match

Flexible time off

Community involvement

Training incentives

Job summary

R3 LLC is seeking a Client Field Services Engineer III/Help Desk III to serve as the senior escalation and technical leader onsite for our client. The role involves advanced support for complex IT issues, leading large-scale deployments and refresh projects, mentoring junior engineers, and driving improvements for an outstanding client experience.

On-site presence is required five days a week with on-call rotation as needed.

Qualifications

• Bachelor’s degree or equivalent experience in CS/IS/IT.
• 6–8+ years of client-facing IT support or field services experience.
• Advanced knowledge of endpoints, networking, cloud solutions, and IT security best practices.
• Strong experience with Windows, Mac OS, Microsoft 365, Azure, Intune, and endpoint devices.
• Experience with ITIL-aligned processes and incident management.

Responsibilities

• Respond to client requests and issues via ticketing system and phone, meeting SLA and CSAT targets.
• Prioritize tickets based on urgency and criticality.
• Escalate tickets as needed for broader network or system issues.
• Support end-user software applications, including configuration and usage guidance.
• Travel onsite to client location to provide end-user support.
• Lead large-scale deployments, refreshes, and on-site projects.

Skills

Senior troubleshooting

Leadership in client-facing env.

Mentoring engineers

Cross-team coordination

Problem solving

Time management

Customer-focused

Documentation skills

On-site deployment

Education

Bachelor’s degree in Computer Science, Information Systems, IT, or equivalent experience

Tools

Windows

Mac OS

Microsoft 365

Azure

Intune

Job description

R3 LLC is seeking a Client Field Services Engineer III/Help Desk III to serve as the senior escalation and technical leader onsite for our client. The role involves advanced support for complex IT issues, leading large-scale deployments and refresh projects, mentoring junior engineers, and driving improvements for an outstanding client experience.

On-site presence is required five days a week with on-call rotation as needed.