System Administrator

The System Administrator (Level 2/3) is responsible for administering, securing, and supporting Microsoft-centric infrastructure in a production environment. This role manages Windows Server systems, Active Directory, Azure networking, virtualization, access governance, and infrastructure automation. The position supports system reliability, security compliance, lifecycle management, and continuous improvement while minimizing downtime. Success requires strong troubleshooting, documentation, communication, and independent problem-solving skills., * Administer, maintain, and troubleshoot Windows Server 2016, 2019, and 2022 environments.

• Manage Active Directory, DNS, DHCP, Windows infrastructure services, and Domain Controller upgrades, migrations, and decommissioning.
• Support Azure networking, including Virtual Networks, subnets, Network Security Groups, VPN connectivity, and Azure Virtual Machines.
• Develop and maintain PowerShell scripts and infrastructure automation using PowerShell and VMware PowerCLI.
• Administer, review, optimize, and troubleshoot Group Policy Objects, including security policy implementation and removal of obsolete policies.
• Support user access governance, identity and access management, and Active Directory security administration.
• Identify, track, and remediate vulnerabilities while implementing Windows Server security hardening and scheduled patching.
• Provision and maintain virtual machines, monitor server performance, and troubleshoot infrastructure issues.
• Manage server lifecycle activities, disk and storage capacity, unsupported software removal, and remediation of unauthorized or concerning applications.
• Document processes, procedures, operational standards, maintenance activities, and infrastructure changes.

• 3+ years of systems administration experience.
• Strong experience administering Windows Server environments and Microsoft infrastructure services.
• Proficiency with Active Directory, DNS, DHCP, Group Policy administration, and Domain Controller lifecycle management.
• Experience with Azure cloud networking fundamentals, Azure Virtual Machines, and VPN connectivity.
• Strong PowerShell scripting and automation skills, with experience using VMware PowerCLI.
• Knowledge of Windows Server security hardening, vulnerability remediation, patching, IAM, and access governance.
• Experience with virtualization, server performance monitoring, storage management, and capacity planning.
• Strong troubleshooting, problem-solving, organization, and prioritization skills.
• Ability to support production environments with minimal downtime and manage multiple priorities independently.
• Excellent communication skills and the ability to interact directly with client stakeholders.

At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline - it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are: GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more! For more detailed information on benefits, please go to GDH’s website under the tab for candidates.