Senior Windows Systems Engineer

About Ensono

Ensono is an expert technology adviser and managed service provider. As a relentless ally we accelerate clients digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize todays systems across any hybrid environment with services such as consulting mainframe and application modernization public cloud migration and cloud-native development. With certified experts in AWS Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year Ensono has over 3500 associates globally and is headquartered in greater Chicago.

We care about your success offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications whether its public multi or hybrid cloud or mainframe. And because we span across all mission-critical platforms we can meet you wherever you are in your digital transformation journey with 24/7 support when you need it. We are your relentless ally flexing with you when challenges emerge so you dont feel stuck in place. With cross-platform certifications and decades of experience our technology experts have become an extension of your team so youre continuously innovating doing more with less while remaining secure. And thats just the beginning.

Responsibilities:

• Serve as the technical SME for Windows Server Active Directory and VMware technologies providing L3/L4-level support and guidance.
• Own the administration maintenance troubleshooting and lifecycle management of Windows Server 2012/2016/2019/2022/2025 environments.
• Manage and support Active Directory Group Policy DNS DHCP DFS IIS Certificate Services Failover Clustering and File & Print Services.
• Lead complex troubleshooting efforts and act as the highest technical escalation point for critical production incidents major outages and customer escalations.
• Perform server provisioning patching upgrades migrations decommissioning and operating system modernization initiatives.
• Working knowledge of VMware vSphere vCenter ESXi HA DRS vMotion and related virtualization technologies as a primary infrastructure platform.
• Support hybrid infrastructure environments spanning on-premises datacentres and Microsoft Azure including Azure VM administration monitoring backup recovery and identity-related services.
• Drive automation and operational efficiency using PowerShell PowerShell DSC with Azure management Ansible and other automation technologies is an added plus.
• Administer enterprise monitoring and observability platforms including ServiceNow Grafana LogicMonitor SolarWinds SCOM Dynatrace and similar tools.
• Ensure infrastructure compliance with security standards through vulnerability remediation Windows hardening patch management and audit support.
• Support backup recovery disaster recovery and business continuity solutions using Veeam Commvault NetBackup or equivalent technologies.
• Create and maintain technical documentation operational runbooks standards and support procedures.
• Mentor L1/L2 engineers and provide technical guidance across the Windows practices.

Additional Responsibilities:

• Collaborate with customers architects project teams and service delivery leadership to drive infrastructure stability transformation and customer satisfaction.
• Serve as the primary Windows Infrastructure SME supporting multiple enterprise customers within a Managed Services (MSP) environment.
• Participate in service transitions customer onboarding knowledge transfer activities and infrastructure assessments.
• Lead root cause analysis (RCA) problem management and service improvement initiatives to reduce recurring incident

Qualifications

• Bachelors degree in computer science Information Technology Engineering or equivalent experience.
• 10 years of hands-on experience managing enterprise Windows Infrastructure environments.
• Minimum 5 to 7 years of strong hands-on experience with Active Directory Domain Services (AD DS) including administration troubleshooting Group Policy management replication DNS integration and security best practices.
• Technical knowledge of:
  • Windows Server 2012/2016/2019/2022/2025
  • Active Directory Domain Services
  • Certificate Services
  • Group Policy Administration
  • DNS DHCP DFS DFS-R
  • IIS and Certificate Services - optional
  • Windows Failover Clustering
  • File & Print Services
• Strong experience with VMware technologies including ESXi vCenter vSphere HA DRS vMotion and virtualization best practices.
• Working knowledge of Microsoft Azure services including Azure VMs Azure Backup Azure Site Recovery Azure Monitor Azure Arc and Hybrid Identity solutions with the ability to perform day-to-day administration and troubleshooting activities.
• Advanced PowerShell scripting expertise with demonstrated experience in automation orchestration and operational efficiency initiatives.
• Hands-on experience with monitoring tools such as Grafana SolarWinds LogicMonitor Dynatrace BMC Truesight AppDynamics and Microsoft SCOM.
• Strong understanding of ITSM processes including Incident Problem Change Major Incident and Escalation Management using ServiceNow.
• Experience managing enterprise backup and disaster recovery solutions such as Veeam Commvault or NetBackup.
• Strong knowledge of security vulnerability remediation CIS hardening standards Microsoft Defender Qualys Tenable and compliance frameworks.
• Proven experience leading P1/P2 incidents executive escalations customer governance meetings and technical reviews.
• Experience with infrastructure transitions service onboarding due diligence and operational readiness assessments.
• Strong communication stakeholder management customer-facing documentation and leadership skills.

Shift Timings: 24/7 shifts

We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to caste colour creed religion gender gender identity sexual orientation age disability HIV status or any other status protected by law. Candidates with disabilities who require accommodations during the recruitment process are encouraged to contact our Talent Acquisition team to place a request.