Technical Lead - Brea, CA / Dallas, TX

Please share GC or USC candidates with VALID LINKEDIN and TRAVEL HISTORY. Technical Lead – Infrastructure & End User Computing Location: Brea, CA (Preferred) Dallas, TX (Optional) International Travel: Required – Switzerland (Europe) for 1–2 months during project duration. Candidates must have no travel restrictions and valid documentation for international travel. USC,GC ONLY Virtual interview Role Overview We are seeking a highly experienced Technical Lead responsible for driving architecture, delivery, integration, and operational excellence across enterprise infrastructure platforms including Microsoft 365, VMware, Citrix, End User Computing (EUC), Windows Server, Monitoring platforms, and NOC operations . This role requires strong hands-on engineering expertise , deep troubleshooting across infrastructure and application layers , and the ability to manage enterprise-level application integrations from application layer down to infrastructure . The ideal candidate blends technical leadership, Site Reliability Engineering (SRE) practices, automation expertise, enterprise integration knowledge, and end-to-end ownership of complex enterprise ecosystems. Key Responsibilities Microsoft Infrastructure (AD, MECM, Intune, M365) Manage Windows Server (2016 / 2019 / 2022) environments including patching, performance tuning, and issue resolution. Administer and maintain Active Directory, GPO, DNS, DHCP, PKI , and domain security hardening. Automate server operations using PowerShell and configuration management tools . Architect and optimize Windows 10 / Windows 11 endpoint environments , endpoint security, and device lifecycle management. Administer Microsoft 365 workloads including: Exchange Online Teams SharePoint Online OneDrive Intune Azure AD Implement identity protection, conditional access, compliance policies , and cloud security posture improvements. Manage OS Deployment (OSD), application packaging, patch compliance, baselines, and endpoint reporting . Automate packaging workflows and enhance compliance scoring/reporting. Citrix Administration Administer Citrix Virtual Apps & Desktops (CVAD) including provisioning, image management, policies, profiles, and StoreFront. Manage Citrix ADC (NetScaler) for load balancing, gateway access, and authentication integrations. Perform performance troubleshooting across application layers, hypervisors, and network infrastructure . Support application publishing, profile tuning (FSLogix / UPM) and Citrix infrastructure upgrades. Ensure high availability, DR readiness, and secure remote access environments . VMware Administration Manage VMware vSphere / ESXi environments , including: Cluster operations Provisioning Patching Performance tuning HA / DRS Snapshots and automation Support virtualization capacity planning, disaster recovery strategies, and infrastructure security improvements . Monitoring & Observability Administer enterprise monitoring platforms such as SolarWinds, SCOM, Datadog , or similar tools. Develop custom dashboards, alerts, SLIs, and synthetic monitoring tests . Build telemetry pipelines for observability . Integrate monitoring platforms with NOC operations and SRE workflows . Expand monitoring coverage to reduce operational blind spots and improve operational intelligence . Identity Lifecycle Management Manage Active Roles Server (ARS) – One Identity identity lifecycle workflows. Support Workday to AD/M365 provisioning , job changes, and deprovisioning automation. Maintain RBAC standards and secure access workflows . Implement SSO integrations using Azure AD . Enterprise Application Integration Lead integrations between applications and infrastructure layers including: OS, middleware, networking, identity, virtualization, and database layers. API integrations and authentication mechanisms including: SAML OAuth SCIM Certificates Load balancers Validate infrastructure requirements including: OS compatibility CPU / memory requirements Firewall rules / ports Load balancing SSL certificates Disaster recovery readiness Own the technical integration lifecycle during onboarding, migrations, and modernization projects . Collaborate with internal engineering teams and external vendors. NOC Operations Lead 24×7 NOC operations including monitoring, incident triage, escalation, and availability management. Create runbooks, escalation matrices, SOPs, and service health reports . Improve incident response frameworks, alerting strategies, and SLA performance . Site Reliability Engineering (SRE) Define and monitor SLIs, SLOs, and error budgets across enterprise services. Reduce operational toil through automation and self-service tooling . Implement observability frameworks (logs, metrics, traces, events) . Conduct Root Cause Analysis (RCA) and resilience engineering initiatives. Integrate SRE practices across EUC, Citrix, VMware, M365, and enterprise applications . Technical Leadership Mentor engineering teams across EUC, Cloud, Citrix, Server, Monitoring, and Virtualization platforms . Lead platform transformation, infrastructure modernization, and automation initiatives . Develop architecture documentation, SOPs, runbooks, and standards . Act as a technical advisor to leadership and cross-functional teams . Additional Responsibilities Develop process flows and technical documentation . Mentor client project team members and perform knowledge transfer . Contribute as primary or supporting author on project deliverables. Participate in data conversion and data maintenance activities . Provide industry best practices and alternative solutions . Deliver thought leadership combined with hands-on technical implementation . Collaborate with cross-functional teams to support project execution. Required Skills & Experience 12–15+ years of hands-on experience across: Infrastructure Engineering End User Computing (EUC) Virtualization Microsoft 365 Citrix environments Site Reliability Engineering (SRE) Strong expertise in: Citrix Virtual Apps & Desktops / Citrix Cloud Citrix ADC / NetScaler Microsoft MECM / SCCM VMware vSphere / ESXi Windows Server & Active Directory Microsoft 365 (Exchange, Teams, SharePoint, Intune) Enterprise Monitoring Platforms (SolarWinds, SCOM, Datadog, etc.) Active Roles Server (ARS) & Workday Identity Integration NOC operations and incident management PowerShell automation and scripting Enterprise application integrations (Infrastructure to Application troubleshooting) Travel Requirement International travel required (Switzerland – Europe) for approximately 1–2 months . Candidate must have valid documentation and no travel restrictions . Qualifying Questions Does the candidate have 12+ years of hands-on experience across Infrastructure, EUC, virtualization, M365, Citrix, and SRE domains? Does the candidate have strong expertise in Citrix Virtual Apps & Desktops / Citrix Cloud and Citrix ADC / NetScaler? Does the candidate have experience with MECM / SCCM administration? Does the candidate have experience with VMware vSphere / ESXi environments? Does the candidate have strong experience with Windows Server and Active Directory? Does the candidate have expertise in Microsoft 365 (Exchange, Teams, SharePoint, Intune)? Is the candidate eligible for international travel to Europe with no restrictions?