Sys Admin Operations Team Lead

EHS Technologies Corporation; Maryland; On-site; USD 95,000 - 130,000; Full time

Job summary

EHS Technologies Corporation is seeking a senior Windows administrator to lead and optimize on-premises Windows Server environments, Active Directory, DNS, and GPOs, leveraging SCCM for patching and deployment.

You will drive virtualization (VMware vSphere or Hyper-V), scripting with PowerShell, security and compliance, backups and disaster recovery, and act as a senior escalation point for complex system issues.

Qualifications

• Senior Windows administration experience (5–7+ years).
• Expertise in Windows Server 2016/2019/2022.
• Strong GPO, DNS, AD migrations and SCCM patching deployment.

Responsibilities

• Lead and manage teams; oversee AD, DNS, and GPO implementations.
• Architect AD migrations and consolidate infrastructure components.
• Manage Windows Server, IIS configurations, and patching via SCCM.
• Develop PowerShell scripts to automate tasks and reporting.
• Troubleshoot complex server, service, and network issues.
• Oversee virtualization environments (VMware vSphere or Hyper-V).
• Ensure security, compliance, and policy adherence.
• Coordinate backup and disaster recovery procedures.
• Serve as senior escalation point for critical incidents.

Skills

Leadership

Active Directory

Group Policy

PowerShell

Troubleshooting

Security & Compliance

Tools

SCCM

IIS

VMware vSphere

Hyper-V

DNS

Job description

Description

Key Responsibilities

• Leadership: experience managing teams. Candidate will need to have knowledge of Linux and Windows OS systems. Team members and projects are on both systems.
• Active Directory & Group Policy Management: Extensive experience with Active Directory architecture, DNS, and security, including the application of STIGs. Proven experience executing AD migrations. Ensure security and compliance by applying and managing DNS STIGs.
• System & Application Management: Manage and secure Windows Server environments, including the configuration and maintenance of Internet Information Services (IIS). Deploy patches, applications, and operating system updates using SCCM.
• Infrastructure Projects: Lead and execute complex infrastructure projects, with a strong focus on Active Directory (AD) migrations and consolidations.
• Automation & Scripting: Develop, test, and maintain robust PowerShell scripts to automate administrative tasks, streamline processes, and generate reports.
• Troubleshooting: Act as a senior escalation point for complex system issues; apply solid and methodical troubleshooting skills to resolve problems related to servers, services, and network connectivity.
• Virtualization: Administer and optimize the server virtualization environment (VMware vSphere and/or Microsoft Hyper-V).
• Security & Compliance: Proactively monitor systems, manage security configurations, and ensure adherence to internal security policies and standards.
• Backup & Disaster Recovery: Oversee and validate backup and recovery procedures to ensure data integrity and business continuity.
• Troubleshooting: Demonstrated ability to perform in-depth analysis and resolution of complex technical issues.

Requirements

• 5-7+ years of experience in a senior Windows administration role.
• Windows Server: Expert-level knowledge of Windows Server (2016/2019/2022).
• Group Policy: Deep understanding of creating, testing, and deploying complex GPOs.
• SCCM: Proficiency in using System Center Configuration Manager (SCCM/MECM) for patch management, OS deployment, and software distribution.
• Scripting: Advanced PowerShell scripting abilities for automation and system management.
• IIS: Strong experience in deploying and managing web applications on Internet Information Services (IIS).

Like to Have (Preferred):

• Database Experience: Familiarity with database administration, specifically MS SQL or MongoDB.
• Linux Knowledge: Basic administration skills in Linux environments (RHEL, Ubuntu) is beneficial but not required.