Senior Windows Systems & Active Directory Administrator
Blue Star Partners, LLC, Columbus, OH, United States
Job Title:
Senior Windows Systems & Active Directory Administrator Location:
Columbus, OH Work Model:
Hybrid (Remote Monday & Friday; Onsite Tuesday–Thursday) Rate:
$60–$65/hour Contract Length:
3-Month Contract-to-Hire Conversion Salary:
$135,000 base + 10% bonus Employment Type:
W-2 Only Work Authorization:
U.S. Citizens Only | No visa sponsorship available
Position Overview We are seeking a highly skilled
Senior Windows Systems & Active Directory Administrator
to support and lead enterprise infrastructure operations within a large, complex environment. This is a hands-on technical leadership role responsible for administering, securing, optimizing, and modernizing Windows Server and Active Directory environments while also providing leadership across a team of 10+ professionals. The ideal candidate will bring deep expertise in
Windows Server administration, Active Directory architecture, Group Policy, DNS, DHCP, PKI, patching, vulnerability remediation, and identity-related technologies
across large enterprise environments. This individual will serve as a technical lead for infrastructure initiatives, including upgrades, migrations, remediation efforts, and security-driven improvements, while helping ensure operational stability, compliance, and performance across critical systems. This role is approved for conversion after 90 days and is best suited for a strong technical leader who is comfortable rolling up their sleeves, driving complex infrastructure work, and supporting a highly secure, compliance-driven organization.
Key Responsibilities Windows Server & Active Directory Administration Administer, secure, and maintain enterprise-level
Windows Server
and
Active Directory
infrastructure. Manage core Active Directory services, including
Domain Controllers, Group Policy, DNS, DHCP, PKI, replication, authentication services, and directory components . Design, implement, and maintain Group Policy Objects to support security, configuration management, and operational consistency. Monitor and optimize the performance, availability, and reliability of Windows Server and Active Directory environments. Troubleshoot complex system, authentication, replication, and directory-related issues across enterprise infrastructure. Identity & Cloud-Related Administration Support cloud-connected identity technologies including
Azure AD / Microsoft Entra ID ,
Microsoft 365 , and federation/authentication tools such as
PingID . Help maintain and support hybrid identity architecture and authentication services across on-premises and cloud-connected environments. Ensure identity-related systems are aligned with security standards, access controls, and operational requirements. Patching, Security & Vulnerability Remediation Lead enterprise patch deployment cycles and vulnerability remediation efforts across Windows infrastructure. Use tools such as
Tanium
and
Qualys
to manage patching, scanning, compliance, and remediation activity. Monitor, prioritize, and resolve vulnerabilities in accordance with enterprise security and compliance expectations. Partner with security and infrastructure stakeholders to drive risk reduction and strengthen platform resilience. Infrastructure Projects & Technical Leadership Serve as technical lead for critical infrastructure projects, including
migrations, upgrades, consolidation efforts, and security remediation initiatives . Lead or support infrastructure modernization efforts involving
virtualization environments, cloud-connected systems, and identity platforms . Provide guidance and technical direction across a team of 10+ professionals. Support planning, coordination, and execution of infrastructure improvements in a structured and operationally sound manner. Drive best practices for Windows platform management, system hardening, automation, and operational support. Automation & Performance Optimization Develop and maintain automation scripts using
PowerShell
for patch deployment, vulnerability remediation, system configuration, and operational support. Improve efficiency through scripting and automation of repetitive administrative and maintenance tasks. Troubleshoot and optimize performance across server environments, backups, updates, virtualization platforms, and directory services. Support continuous improvement efforts related to reliability, efficiency, compliance, and supportability.
Day-to-Day Responsibilities Administer and support Windows Server and Active Directory infrastructure in a large enterprise environment. Troubleshoot server, authentication, replication, Group Policy, DNS, and identity-related issues. Lead and support patching and vulnerability remediation cycles using enterprise tools. Provide technical oversight and direction across infrastructure activities and project work. Coordinate with security, infrastructure, and operations teams on remediation, upgrades, and compliance-related initiatives. Write and maintain PowerShell scripts to automate system administration and remediation tasks. Monitor system performance, environment health, and operational stability. Support infrastructure projects involving migrations, virtualization, and cloud-connected technologies.
Required Qualifications 5+ years of hands-on experience administering
Active Directory
and
Windows Server
in large enterprise environments. Expert-level knowledge of
Windows Server
and
Active Directory administration , including:
Domain Controllers Group Policy DNS DHCP PKI Replication Authentication services
Strong experience managing enterprise patching and vulnerability remediation using tools such as
Tanium . Experience with vulnerability management and remediation processes using tools such as
Qualys . Advanced troubleshooting and performance optimization skills across Windows infrastructure and directory environments. Proven experience leading infrastructure upgrades, migrations, remediation projects, and platform improvements. Strong PowerShell scripting and automation experience for patching, remediation, and system configuration tasks. Experience supporting cloud-related Microsoft technologies such as
Azure AD / Microsoft Entra ID
and
Microsoft 365 . Experience with identity federation tools such as
PingID . Experience working in
security-focused
and
compliance-driven
enterprise environments. Strong technical leadership skills and experience guiding or leading a team.
Preferred Qualifications Experience leading teams of 10+ infrastructure professionals in a technical lead or senior administrator capacity. Experience with
VMware
and other virtualization platforms. Experience supporting hybrid cloud infrastructure and identity modernization initiatives. Familiarity with enterprise backup, disaster recovery, and resiliency practices. Experience in large, regulated enterprise environments preferred.
Core Competencies Windows Server Administration Active Directory Administration Group Policy Management DNS / DHCP / PKI Identity & Access Technologies Azure AD / Microsoft Entra ID Microsoft 365 Vulnerability Remediation Tanium / Qualys PowerShell Automation Infrastructure Migrations Technical Leadership
Additional Notes This is an
approved contract-to-hire position
with intent to convert after approximately
90 days , provided minimum required hours are completed. Conversion compensation:
$135,000 base salary plus 10% bonus. Parking is available onsite
but is
not reimbursable
and costs approximately
$95/month . Submission rates above the posted range will not be accepted.
Ideal Candidate Profile The ideal candidate is a senior-level Windows and Active Directory infrastructure professional who combines deep technical expertise with strong leadership capability. They are comfortable working hands-on in complex enterprise environments, leading critical remediation and modernization work, and guiding a team through infrastructure priorities in a secure and compliance-focused organization.
Senior Windows Systems & Active Directory Administrator Location:
Columbus, OH Work Model:
Hybrid (Remote Monday & Friday; Onsite Tuesday–Thursday) Rate:
$60–$65/hour Contract Length:
3-Month Contract-to-Hire Conversion Salary:
$135,000 base + 10% bonus Employment Type:
W-2 Only Work Authorization:
U.S. Citizens Only | No visa sponsorship available
Position Overview We are seeking a highly skilled
Senior Windows Systems & Active Directory Administrator
to support and lead enterprise infrastructure operations within a large, complex environment. This is a hands-on technical leadership role responsible for administering, securing, optimizing, and modernizing Windows Server and Active Directory environments while also providing leadership across a team of 10+ professionals. The ideal candidate will bring deep expertise in
Windows Server administration, Active Directory architecture, Group Policy, DNS, DHCP, PKI, patching, vulnerability remediation, and identity-related technologies
across large enterprise environments. This individual will serve as a technical lead for infrastructure initiatives, including upgrades, migrations, remediation efforts, and security-driven improvements, while helping ensure operational stability, compliance, and performance across critical systems. This role is approved for conversion after 90 days and is best suited for a strong technical leader who is comfortable rolling up their sleeves, driving complex infrastructure work, and supporting a highly secure, compliance-driven organization.
Key Responsibilities Windows Server & Active Directory Administration Administer, secure, and maintain enterprise-level
Windows Server
and
Active Directory
infrastructure. Manage core Active Directory services, including
Domain Controllers, Group Policy, DNS, DHCP, PKI, replication, authentication services, and directory components . Design, implement, and maintain Group Policy Objects to support security, configuration management, and operational consistency. Monitor and optimize the performance, availability, and reliability of Windows Server and Active Directory environments. Troubleshoot complex system, authentication, replication, and directory-related issues across enterprise infrastructure. Identity & Cloud-Related Administration Support cloud-connected identity technologies including
Azure AD / Microsoft Entra ID ,
Microsoft 365 , and federation/authentication tools such as
PingID . Help maintain and support hybrid identity architecture and authentication services across on-premises and cloud-connected environments. Ensure identity-related systems are aligned with security standards, access controls, and operational requirements. Patching, Security & Vulnerability Remediation Lead enterprise patch deployment cycles and vulnerability remediation efforts across Windows infrastructure. Use tools such as
Tanium
and
Qualys
to manage patching, scanning, compliance, and remediation activity. Monitor, prioritize, and resolve vulnerabilities in accordance with enterprise security and compliance expectations. Partner with security and infrastructure stakeholders to drive risk reduction and strengthen platform resilience. Infrastructure Projects & Technical Leadership Serve as technical lead for critical infrastructure projects, including
migrations, upgrades, consolidation efforts, and security remediation initiatives . Lead or support infrastructure modernization efforts involving
virtualization environments, cloud-connected systems, and identity platforms . Provide guidance and technical direction across a team of 10+ professionals. Support planning, coordination, and execution of infrastructure improvements in a structured and operationally sound manner. Drive best practices for Windows platform management, system hardening, automation, and operational support. Automation & Performance Optimization Develop and maintain automation scripts using
PowerShell
for patch deployment, vulnerability remediation, system configuration, and operational support. Improve efficiency through scripting and automation of repetitive administrative and maintenance tasks. Troubleshoot and optimize performance across server environments, backups, updates, virtualization platforms, and directory services. Support continuous improvement efforts related to reliability, efficiency, compliance, and supportability.
Day-to-Day Responsibilities Administer and support Windows Server and Active Directory infrastructure in a large enterprise environment. Troubleshoot server, authentication, replication, Group Policy, DNS, and identity-related issues. Lead and support patching and vulnerability remediation cycles using enterprise tools. Provide technical oversight and direction across infrastructure activities and project work. Coordinate with security, infrastructure, and operations teams on remediation, upgrades, and compliance-related initiatives. Write and maintain PowerShell scripts to automate system administration and remediation tasks. Monitor system performance, environment health, and operational stability. Support infrastructure projects involving migrations, virtualization, and cloud-connected technologies.
Required Qualifications 5+ years of hands-on experience administering
Active Directory
and
Windows Server
in large enterprise environments. Expert-level knowledge of
Windows Server
and
Active Directory administration , including:
Domain Controllers Group Policy DNS DHCP PKI Replication Authentication services
Strong experience managing enterprise patching and vulnerability remediation using tools such as
Tanium . Experience with vulnerability management and remediation processes using tools such as
Qualys . Advanced troubleshooting and performance optimization skills across Windows infrastructure and directory environments. Proven experience leading infrastructure upgrades, migrations, remediation projects, and platform improvements. Strong PowerShell scripting and automation experience for patching, remediation, and system configuration tasks. Experience supporting cloud-related Microsoft technologies such as
Azure AD / Microsoft Entra ID
and
Microsoft 365 . Experience with identity federation tools such as
PingID . Experience working in
security-focused
and
compliance-driven
enterprise environments. Strong technical leadership skills and experience guiding or leading a team.
Preferred Qualifications Experience leading teams of 10+ infrastructure professionals in a technical lead or senior administrator capacity. Experience with
VMware
and other virtualization platforms. Experience supporting hybrid cloud infrastructure and identity modernization initiatives. Familiarity with enterprise backup, disaster recovery, and resiliency practices. Experience in large, regulated enterprise environments preferred.
Core Competencies Windows Server Administration Active Directory Administration Group Policy Management DNS / DHCP / PKI Identity & Access Technologies Azure AD / Microsoft Entra ID Microsoft 365 Vulnerability Remediation Tanium / Qualys PowerShell Automation Infrastructure Migrations Technical Leadership
Additional Notes This is an
approved contract-to-hire position
with intent to convert after approximately
90 days , provided minimum required hours are completed. Conversion compensation:
$135,000 base salary plus 10% bonus. Parking is available onsite
but is
not reimbursable
and costs approximately
$95/month . Submission rates above the posted range will not be accepted.
Ideal Candidate Profile The ideal candidate is a senior-level Windows and Active Directory infrastructure professional who combines deep technical expertise with strong leadership capability. They are comfortable working hands-on in complex enterprise environments, leading critical remediation and modernization work, and guiding a team through infrastructure priorities in a secure and compliance-focused organization.