Senior Windows Domain & Server Admin (AD/PKI/PowerShell)

Colsa-; Huntsville (AL); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k) with company match

Paid time off

Job summary

COLSA is seeking a Senior Windows Server System Analyst to support Enterprise IT at Redstone Arsenal in Huntsville, AL. You will manage AD DS, DNS/DHCP, PKI, patching, security compliance, and Tier 3 support across Windows Server platforms in a large enterprise environment.

Ideal candidates have 10+ years in similar roles, a Security+CE, and DoD Secret clearance. Experience with IIS, SQL Server, and PowerShell is strongly preferred.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or related field.
• Active Security+CE certification.
• Minimum 10 years of experience administering Windows Server platforms.
• Experience as Windows Enterprise Domain Administrator on large networks.
• Experience deploying and sustaining Windows Domain Controllers and applications servers.
• Experience configuring Windows AD and servers per DISA STIG requirements.
• Experience with DoD STIG POA&Ms and security action plans.
• Experience developing and testing PowerShell scripts for administration.
• Proficiency with Microsoft operating systems and office apps.
• Active DoD Secret clearance; US Citizenship required.

Responsibilities

• Administer, maintain, and troubleshoot Active Directory Domain Services.
• Manage user, computer accounts, and GPOs; handle OU structure.
• Monitor domain controllers, replication, authentication, and directory synchronization.
• Manage AD sites, subnets, replication topology, and directory services.
• Maintain DNS and DHCP with secure zones and dynamic updates; troubleshoot issues.
• Sustain Windows Server platforms with monthly OS/app updates and quarterly config updates per DISA STIGs.
• Develop PowerShell scripts to improve server administration.
• Collaborate with Virtualization, Network Ops, SQL & IIS, Storage, Dev, and Cybersecurity teams.
• Provide Tier 3 support via Service Desk; support enterprise print and license services.
• Create weekly/monthly operation and engineering status documents.

Skills

Active Directory Administration

PowerShell scripting

Windows Server administration

Group Policy management

DNS/DHCP management

Security compliance

Patch management

DoD security clearance

IIS administration

SQL Server administration

Education

Bachelor's degree in Computer Science / Computer Engineering or related field

Master's degree in Computer Science / Computer Engineering

Tools

PowerShell

Microsoft SQL Server

IIS Administration

Broadcom VMware vCenter/vSphere

Delinea Privileged Access Management

Job description

COLSA is seeking a Senior Windows Server System Analyst to support Enterprise IT at Redstone Arsenal in Huntsville, AL. You will manage AD DS, DNS/DHCP, PKI, patching, security compliance, and Tier 3 support across Windows Server platforms in a large enterprise environment.

Ideal candidates have 10+ years in similar roles, a Security+CE, and DoD Secret clearance. Experience with IIS, SQL Server, and PowerShell is strongly preferred.