Sr Systems Administrator

Progressive IT; Denton (TX); In loco; USD 62.000 - 103.000; Tempo pieno

Descrizione del lavoro

Progressive IT in Denton, TX is seeking an experienced Systems Administrator to manage enterprise Windows and Linux infrastructure, virtualization, and cloud services. You will troubleshoot complex issues, implement security controls, and participate in upgrades and automation initiatives.

The role requires hands-on expertise with Windows Server, Active Directory, VMware ESXi, Linux, and CrowdStrike. You will automate tasks with PowerShell, support migrations, and develop documentation and

Competenze

• 7 years of systems administration or infrastructure engineering experience.
• Advanced Windows Server administration, including Active Directory, DNS, DHCP, and file services.
• Strong experience with VMware ESXi or Hyper-V virtualization.
• Working knowledge of Linux administration in mixed environments.
• Understanding of TCP/IP, networks, firewalls, and certificates.
• Experience with server hardening, patch management, and cybersecurity best practices.

Mansioni

• Administer Windows Server environments, VMware ESXi, AD, and related services.
• Deploy and manage CrowdStrike endpoint security agents.
• Patch, harden, remediate vulnerabilities, and monitor performance.
• Troubleshoot infrastructure issues and provide root cause analysis.
• Automate tasks using PowerShell and scripting tools.
• Support migrations, upgrades, storage, backup, and DR initiatives.
• Maintain documentation and collaborate with infrastructure and cybersecurity teams.

Conoscenze

Windows Server

Active Directory

VMware ESXi

Linux administration

PowerShell

Security best practices

Automation

Networking

Formazione

Bachelor's degree in IT/CS

Equivalent experience considered

Strumenti

CrowdStrike

DNS/DHCP

AD tooling

Descrizione del lavoro

Job Type

Contract Seeking an experienced Systems Administrator to manage and support enterprise Windows/Linux infrastructure, virtualization, security, and cloud services. This role involves troubleshooting complex issues, maintaining secure and reliable systems, and supporting infrastructure upgrades and automation initiatives.

Key Responsibilities

• Administer Windows Server environments, VMware virtual machines, Active Directory, Group Policy, and related services.
• Deploy and manage CrowdStrike endpoint security agents.
• Perform server patching, security hardening, vulnerability remediation, and performance monitoring.
• Troubleshoot infrastructure issues, conduct root cause analysis, and serve as a senior technical escalation resource.
• Automate administrative tasks using PowerShell and other scripting tools.
• Support infrastructure migrations, upgrades, storage, backup, and disaster recovery initiatives.
• Maintain technical documentation and collaborate with infrastructure and cybersecurity teams.

Required Skills & Experience

• 7years of systems administration or infrastructure engineering experience.
• Advanced Windows Server administration, including Active Directory, Group Policy, DNS, DHCP, and file services.
• Strong experience with VMware vSphere/ESXi or Hyper-V virtualization.
• Working knowledge of Linux administration in mixed environments.
• Understanding of TCP/IP, VLANs, firewalls, certificates, and network troubleshooting.
• Experience with server hardening, patch management, vulnerability remediation, privileged access, and cybersecurity best practices.
• Proficiency in PowerShell scripting and automation.
• Experience with infrastructure monitoring, alerting, capacity planning, performance troubleshooting, and root cause analysis.
• Experience leading server migrations, infrastructure upgrades, and hardware refresh projects.
• Ability to develop technical documentation, system diagrams, SOPs, build standards, and disaster recovery procedures.
• Strong communication, collaboration, and mentoring skills, including working with networking, security, engineering, and business teams.

Preferred Qualifications

• Bachelor's degree in IT, Computer Science, or a related field; equivalent experience considered.
• Certifications such as Microsoft Windows Server Hybrid Administrator, Azure Administrator, VMware VCP, RedHatRHCSA/RHCE, or CompTIA Security+.
• Familiarity with ITIL, NIST, CIS, and CMMC frameworks.

INDPIT.