Windows Administrator

AVATAR Computing, Inc.; Worcester (MA); On-site; USD 80,000 - 100,000; Full time

Job summary

A technology company is seeking a Windows Administrator to support critical systems related to identity services. The role involves managing Windows Server environments, ensuring compliance, troubleshooting issues, and implementing security controls. Candidates should hold a valid Security+ certification, possess strong expertise in server administration, and have an active Secret Clearance. The position is based in Worcester, MA and focuses on securing identity access services. A commitment to enhancing system reliability is essential.

Qualifications

• US Citizen (No Dual Citizens) required.
• Active Secret Clearance required.
• Security+ or equivalent certification needed.
• Strong expertise in Windows Server administration and security.
• Familiarity with enterprise security concepts necessary.
• Proficiency in PowerShell scripting required.

Responsibilities

• Manage and maintain Windows Server environments.
• Perform patching, hardening, and vulnerability remediation.
• Manage Active Directory and Windows authentication services.
• Support ICAM applications hosted on Windows servers.
• Implement security controls and compliance frameworks.
• Troubleshoot Windows OS, AD, and application issues.

Skills

Windows Server administration

Active Directory

Group Policy

PowerShell scripting

Security protocols (ADFS, LDAP, Kerberos)

Identity Access Management (IAM) concepts

Tools

Event Viewer

Splunk

Sentinel

DSC

SCCM/MECM

Ansible

Job description

Description

Avatar Computing is seeking a Windows Administrator to support the Army's Enterprise Application/System Modernization and Migration (EAMM) program. You will be responsible for supporting, maintaining, and securing Windows-based infrastructure that underpins identity, authentication, authorization, and access services. This role ensures the reliability, compliance, and performance of systems integrated with ICAM platforms.

Key Responsibilities:

• Manage, configure, and maintain Windows Server environments (2016/2019/2022)
• Perform patching, system hardening, vulnerability remediation, and lifecycle management
• Manage Active Directory-related OS components, Group Policies, and Windows authentication services
• Maintain DNS, DHCP, and other foundational Windows services supporting ICAM solutions
• Support ICAM applications hosted on Windows servers (e.g., federation services, access gateways, identity connectors)
• Ensure secure operations for identity-related services such as AD, ADFS, Azure AD Connect
• Implement security controls, baselines, and compliance frameworks (CIS, DISA STIGs)
• Manage logs, event monitoring, certificate services, and PKI components
• Use PowerShell and automation tools (DSC, SCCM/MECM, Ansible, CI/CD pipelines) to streamline administration
• Troubleshoot Windows OS, AD, and ICAM application issues
• Participate in on-call support for identity platform escalations

Qualifications

• US Citizen (No Dual Citizens)
• Active Secret Clearance Required
• Security+ or equivalent certification
• Strong expertise in Windows Server administration, Active Directory, Group Policy, and Windows security
• Experience supporting identity-related technologies (ADFS, LDAP, Kerberos, SAML, OAuth, PKI, certificate management)
• Familiarity with enterprise security and IAM concepts (authentication, SSO, MFA, RBAC, identity lifecycle)
• PowerShell scripting proficiency
• Experience with monitoring tools and log platforms (Event Viewer, Splunk, Sentinel, etc.)

Avatar Computing is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.