L2 Systems Escalation Engineer
Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Nov 2, 2026. ECI scores A on the Alion truth index.
Role Overview:
Seeking a skilled L2 Systems Escalation Engineer to provide L2 support for Windows Server, Azure AD, Microsoft 365, Exchange Online, Cloud PC (Windows 365), Azure Virtual Desktop (AVD), and email security platforms. The ideal candidate will manage, troubleshoot, and optimize Microsoft infrastructure environments while ensuring high availability, security, and compliance across cloud and hybrid platforms.
Key Responsibilities
Administer and support Windows Server (AD DS, DNS, DHCP, Group Policy, DFS, Hyper-V)
Manage Azure AD (Microsoft Entra ID) for identity, authentication, and access management
Provide L2 support for Microsoft 365 (Exchange Online, Teams, SharePoint, OneDrive)
Administer and troubleshoot Exchange Online, mail flow, transport rules, mailbox permissions, shared mailboxes, retention policies, and email deliverability issues
Manage and support Windows 365 Cloud PCs including provisioning, policies, performance monitoring, troubleshooting, and lifecycle management
Administer and support Azure Virtual Desktop (AVD) environments including host pools, session hosts, FSLogix profiles, application delivery, and user access management
Manage and troubleshoot Proofpoint and Mimecast email security platforms, including message tracing, spam filtering, threat protection, email continuity, archiving, and secure mail flow configurations
Troubleshoot and resolve incidents related to user accounts, authentication, mail flow, messaging security, Cloud PCs, virtual desktops, and collaboration tools
Implement and maintain security, compliance, Conditional Access, and email security policies across Microsoft and third-party platforms
10. Perform routine maintenance, updates, vulnerability remediation, and patch management activities
Automate operational tasks using PowerShell scripting
Participate in migration, upgrade, and modernization projects involving Microsoft 365, Azure services, Exchange Online, AVD, and Cloud PC technologies
Monitor platform health, availability, performance, and capacity planning for supported services
Participate in root cause analysis, incident management, problem management, and change management activities
Required Skills
At least 4–8 years of experience in Windows Server, Microsoft 365, and cloud infrastructure environments
Hands-on experience with Exchange Online administration, troubleshooting, and mail flow management
Experience supporting Azure AD (Microsoft Entra ID), Microsoft 365, and hybrid identity environments
Hands-on experience with Windows 365 Cloud PC administration and support
Experience with Azure Virtual Desktop (AVD) deployment, administration, and troubleshooting
Experience administering Proofpoint and/or Mimecast email security platforms
Strong understanding of Exchange Online Protection (EOP), anti-spam, anti-phishing, DKIM, SPF, and DMARC concepts
Strong PowerShell scripting and automation skills
Experience with Microsoft Intune, Conditional Access Policies, and endpoint management is preferred
Strong troubleshooting, analytical, and problem-solving skills
Understanding and execution of ITIL framework (especially Problem Management, Change Management, RCA, and RFC processes and procedures)
Should be well versed in communication (English, written and oral) and be able to coordinate efficiently with onsite subordinates and direct in-line managers
Provide excellent customer service to internal IT customers, application owners, and end users
Remain vigilant while continuing to maintain and enhance the overall security of ECI and the clients receiving our services
Maintain awareness about the potential risks based on the environment they are operating in and the clients they are supporting
Working Conditions
Ability to work in an independent environment with moderate supervision
Ability to work under a moderate noise level (i.e. working on an open floor with printers, telephones, and computers)
Ability to travel for business and work beyond normal business hours when necessary
Ability to be flexible and successfully respond to multiple work pressures
Sitting for extended periods of time
Dexterity of hands and fingers to operate a computer keyboard, mouse, power tools, and to handle other computer components
Lifting and transporting of moderately heavy objects, such as computers and peripherals
About ECI
ECI is a leading provider in the financial industry of cloud and technical solutions. With over 25 years in business, ECI has upheld a reputation of developing top-tier industry technologists by allowing them to work in fast-paced and dynamic environments. Focusing on a “promote from within” culture allows our team to grow both personally and professionally.