Top IT Support & Helpdesk Jobs in Washington DC,

Lead and mentor a POS support team to ensure installation, configuration, maintenance, and high performance of POS systems. Act as escalation point for technical issues, collaborate cross-functionally, manage vendor relationships, create training, monitor performance metrics, and implement system improvements.

Provide L2/L3 technical and product support to enterprise customers for a customizable Loan Origination System. Investigate logs and configurations, reproduce issues, triage to Product and Engineering, document Help Center content, and advocate product/process improvements. Participate in occasional after-hours incident coverage and biannual offsites.

Provide Level 2 Linux/Unix systems administration in a 24×7 NOC: troubleshoot OS/service/connectivity issues, perform patching/reimaging, manage packages, own incident remediation, monitor systems, produce reports, maintain documentation, and train Level 1 analysts.

Provide Tier 1/2 support for macOS/Windows and cloud SaaS, manage onboarding/offboarding and IAM (SSO/MFA), administer MDM, document and resolve ITSM tickets, maintain assets/licenses, and drive automation and AI-based process improvements.

Provide mainframe operations and application support across IBM and Unisys environments (OS2200, z/OS, z/VM). Monitor and troubleshoot batch jobs, scheduling (OpCon/BMC), tape systems, and incidents using ITSM tools, perform IPLs, change management, RCA, and coordinate with government and customer personnel. Work 3rd shift and follow DISA processes and SLAs.

Provide 24x7 technical support for ClickHouse users and prospects via tickets, chat, Slack, and calls. Triage issues, run POCs, create documentation and knowledge-base content, collaborate with Engineering, Product, and GTM teams, mentor colleagues, and help improve support processes.

Provide first-line technical support and training for Electronic Logging Devices (ELDs), monitor ELD data for FMCSA/HOS compliance, generate compliance reports, troubleshoot hardware/software/connectivity issues, escalate recurring problems, and keep company practices aligned with federal and state ELD regulations.

Serve as the primary US IT contact, providing first-line support, managing helpdesk tickets, configuring and imaging devices via Workspace ONE, handling onboarding/offboarding and device lifecycle, maintaining IT asset records, and coordinating office infrastructure with vendors to ensure secure, reliable workplace technology.

Provide application system analysis and support activities including requirements gathering, configuration, testing, troubleshooting, documentation, training, reporting, and implementation. Track issues and work effort, participate in projects and on-call rotation, develop foundational knowledge of applications and client workflows, and support departmental processes under supervision.

Lead Level 3 application support and root-cause analysis for cloud-based solutions, manage incidents/on-call rotations, monitor observability tooling, collaborate with engineering/DevOps/product teams, drive automation and improvements, and own technical projects to maintain platform stability and client relationships.