Tier III Service Desk

Tier 3 Service Desk Engineer

Grow, innovate, and generate progress:
Harness your expertise to solve challenges and celebrate success! Job Summary JCS Solutions is seeking an experienced Tier 3 Service Desk Engineer to provide advanced technical support and operational expertise in support of enterprise endpoint migration initiatives. This role will serve as a senior escalation point for complex endpoint issues and will partner closely with Endpoint Engineering, Infrastructure, Security, and Service Desk teams to ensure successful migration activities and a stable end-user experience.

The ideal candidate will have strong troubleshooting skills across Windows endpoints, enterprise applications, identity, networking, device management, and endpoint security, along with the ability to diagnose and resolve issues that cannot be addressed through standard Tier 1/Tier 2 support processes. Clearance Requirement:
Must hold an active Secret security clearance prior to start. (US Citizenship required)

What's in it for you:

• Join a premier technology firm specializing in innovative solutions.
• Be part of a collaborative, inclusive, and innovative work culture.
• Enjoy tremendous growth potential in a high-performing team environment.
• A robust benefits package:
• Health, dental, and vision insurance
• Life insurance
• Short-and-long term disability
• Paid time off (PTO)
• 401k retirement plan with employer match
• Annual Professional Development Reimbursement Program
• And more!

What you will do:

• Provide Tier 3 technical support for issues associated with endpoint migration, deployment, provisioning, and post-migration stabilization.
• Troubleshoot complex Windows endpoint issues involving operating systems, drivers, applications, profiles, authentication, networking, peripherals, and device configuration.
• Support endpoint migration activities including device replacement, operating system upgrades, hardware refreshes, profile/data migration, application deployment, and user cutover.
• Investigate and resolve migration failures, deployment errors, application compatibility issues, configuration problems, and recurring endpoint incidents.
• Serve as the escalation point for Tier 1 and Tier 2 Service Desk teams and provide technical guidance and knowledge transfer.
• Partner with Endpoint Engineering and other technical teams to identify root causes and develop sustainable remediation strategies.
• Support endpoint management platforms such as Microsoft Intune, Microsoft Configuration Manager (SCCM/MECM), Autopilot, or comparable enterprise management technologies.
• Troubleshoot Microsoft 365, Teams, Outlook, One Drive, authentication, VPN, printing, and other business-critical endpoint services.
• Assist with endpoint security controls, including device compliance, encryption, endpoint protection, and security policy troubleshooting.
• Develop and maintain technical documentation, knowledge articles, troubleshooting procedures, and migration runbooks.
• Analyze incident and migration data to identify trends, recurring failures, and opportunities for automation or process improvement.
• Participate in migration waves, cutovers, hypercare, and other scheduled deployment activities, including occasional after-hours support when required.
• Coordinate with vendors and third-party support organizations when escalation outside the internal environment is necessary.
• Ensure incidents and service requests are accurately documented and resolved in accordance with established service management processes.

What you will bring:

• Requires High School Diploma or equivalent and 2+ years of prior relevant experience
• 5+ years of experience in enterprise IT support, desktop engineering, endpoint management, or service desk operations.
• Demonstrated experience providing Tier 3 /…