Senior Tier 3 Service Desk Engineer - Secret Clearance

JCS Solutions LLC; Arlington (VA); On-site; USD 85,000 - 128,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Life insurance

Short- and long-term disability

Paid time off

401k with employer match

Professional Development Reimbursement

Job summary

JCS Solutions LLC is seeking an experienced Tier 3 Service Desk Engineer to provide advanced technical support for enterprise endpoint migration initiatives. You will work with Endpoint Engineering, Infrastructure, Security, and Service Desk teams to ensure a stable end-user experience and successful migration activities.

The role requires a Secret clearance (US Citizenship) and strong Windows/M365 troubleshooting, with hands-on experience in Intune, SCCM/MECM, Autopilot, and AD/Entra ID.

Qualifications

• 2+ years in IT support or service desk operations with enterprise exposure.
• 5+ years in enterprise IT support or desktop engineering.
• Experience providing Tier 3/advanced technical support in a large enterprise.
• Strong troubleshooting for Windows endpoints and Microsoft 365.
• Hands-on with endpoint deployment technologies.

Responsibilities

• Provide Tier 3 technical support for endpoint migration, deployment, provisioning and post-migration stabilization.
• Troubleshoot complex Windows endpoint issues including OS, drivers, apps, profiles, authentication, networking, and device configuration.
• Support migration activities including device replacement, OS upgrades, data migration, and user cutover.
• Investigate and resolve migration failures, deployment errors, and recurring endpoint incidents.
• Serve as escalation point for Tier 1/2 teams and provide guidance.

Skills

Windows troubleshooting

Endpoint management

Intune/MECM/SCCM

Active Directory/Entra ID

PowerShell scripting

Networking fundamentals

ITIL knowledge

Problem ownership

Education

High School Diploma or equivalent

Tools

Microsoft Intune

SCCM/MECM

Autopilot

Group Policy

Active Directory/Entra ID

Job description

JCS Solutions LLC is seeking an experienced Tier 3 Service Desk Engineer to provide advanced technical support for enterprise endpoint migration initiatives. You will work with Endpoint Engineering, Infrastructure, Security, and Service Desk teams to ensure a stable end-user experience and successful migration activities.

The role requires a Secret clearance (US Citizenship) and strong Windows/M365 troubleshooting, with hands-on experience in Intune, SCCM/MECM, Autopilot, and AD/Entra ID.