Tier 3 Service Desk Engineer

Platinum Technologies is a Northern Virginia based integrated solutions firm that specializes in PaaS, Cybersecurity & AI Platform development for the Defense and Federal Sectors. Our team solves hard problems and helps our Mission Partners achieve their goals. If you are self-motivated, possess demonstrated learning agility, and are passionate about delivering high-quality work products – we want to hear from you.

We lead with technical expertise, but that is just the tip of the iceberg – the ‘Why’ matters. At Platinum, we don’t hire people to just do a job. We provide professional and leadership development to complement our self-motivated domain experts. Our teammates are dot-connecting leaders that operate in a mutually accountable environment to deliver thought leadership, expert technical analysis, and quality execution for our clients. 

Platinum Technologies 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. 

This role is REMOTE. 

*Candidates must hold an active Secret clearance.*

• →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, OneDrive, 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. 
• →Candidates must hold an active Secret Clearance

• 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 / advanced technical support in a large enterprise environment.
• Strong troubleshooting experience with Windows 10/11 endpoints and Microsoft 365.
• Hands-on experience with endpoint management and deployment technologies such as Microsoft Intune, MECM/SCCM, Autopilot, Group Policy, and Active Directory/Entra ID.
• Experience supporting enterprise endpoint migrations, hardware refreshes, operating system upgrades, or large-scale device deployments.
• Strong understanding of networking fundamentals including DNS, DHCP, TCP/IP, VPN, Wi-Fi, and authentication.
• Experience troubleshooting endpoint applications, drivers, peripherals, certificates, profiles, and system configuration.
• Ability to analyze logs and system information to isolate complex technical issues.
• Strong incident management, problem management, and root-cause analysis skills.
• Excellent written and verbal communication skills.
• Ability to work independently while collaborating effectively across technical teams.
• Must maintain and be 8570 compliant. 

• Experience supporting large-scale Windows 11 migrations or enterprise device modernization programs.
• Experience with Microsoft Autopilot and modern endpoint management.
• Experience with PowerShell scripting and endpoint automation.
• Familiarity with Microsoft Entra ID, Conditional Access, Defender for Endpoint, BitLocker, and endpoint compliance.
• ITIL certification or experience working within an ITIL-based service management environment.
• Microsoft certifications related to endpoint administration, Microsoft 365, or Azure.
• Experience working in a project-based migration or transformation environment 

The Company is an Equal Opportunity/Affirmative Action employer. All qualified candidates will receive consideration for employment without regard to disability, protected veteran status, race, color, religious creed, national origin, citizenship, marital status, sex, sexual orientation/gender identity, age, or genetic information.