Principal Windows Administrator

Job Description

Job Title: Principal Windows Administrator

Location: Remote + Quarterly Travel

Security Clearance: Active Top Secret Clearance

We question. We listen. We adapt.

Be honest. Be pragmatic.

Omni Federal , founded in 2017 and headquartered in Washington, DC, is a highly specialized software solutions provider with a robust presence in key locations across the United States, including Boston, MA, Colorado Springs, CO, San Antonio, TX, and St. Louis, MO. Born out of the Department of Defense's software factory ecosystem, Omni has rapidly distinguished itself by delivering both mission-critical and enterprise solutions that enhance the technological capabilities of the federal government. With a focus on areas such as Command and Control, Cybersecurity, Space, Geospatial, and Modeling & Simulation, Omni leverages cutting-edge commercial technology tailored to government objectives, improving mission performance and delivering transformative outcomes for the Department of Defense (DoD), Intelligence Community (IC), and their end-users. The company's innovative approach is backed by its Omni Labs and SBIR Innovation centers, where they develop advanced platforms and tools in data mesh, secure connectivity, and intelligent automation.

Why Omni?

• Environment of Autonomy
• Innovative Commercial Approach
• People over process

We are seeking a strong DCSA Portfolio Acquisition Executive (PAE) MSP Principal Windows Administrator to support our managed service provider operations serving Defense Counterintelligence and Security Agency requirements. This role requires a security-cleared professional with strong Windows administration and Microsoft Entra (Formally Azure AD) expertise to maintain and optimize secure IT infrastructure for government clients.

Windows Administration

• Administer, configure, and maintain Windows Server environments (2016/2019/2022) in compliance with DCS security requirements
• Manage Active Directory Domain Services (AD DS), Group Policy Objects (GPOs), and organizational units
• Perform system hardening and security baseline implementation per DISA STIGs and NIST standards
• Monitor systems performance, troubleshoot issues, and implement proactive maintenance procedures
• Manage Windows updates, patches, and vulnerability remediation in accordance with DCSA timelines
• Configure and maintain Windows-based security and monitoring solutions

Microsoft Entra (Azure AD) Management

• Administer Microsoft Entra ID (Azure Active Directory) tenant configurations
• Implement and manage Conditional Access policies, Multi-Factor Authentication (MFA), and identity protection
• Configure and maintain hybrid identity solutions including Azure AD Connect
• Manage user provisioning, role-based access controls (RBAC), and privileged identity management (PIM)
• Implement and monitor single sign-on (SSO) and federation services
• Ensure compliance with zero-trust security principles and government identity standards
• AD migration experience or Entra build out experience

DCSA PAE Compliance

• Maintain systems in accordance with DCSA Personnel Assurance requirements
• Support continuous monitoring and assessment activities
• Document configurations, procedures, and security controls
• Participate in security audits, assessments, and remediation efforts
• Implement and maintain security controls per NIST SP 800-171 and CMMC requirements

MSP Operations

• Provide tier 2/3 technical support for managed service clients
• Participate in on-call rotation for critical infrastructure support
• Create and maintain technical documentation and standard operating procedures
• Collaborate with security, network, and application teams
• Support incident response and disaster recovery activities

Requirements

• Active Top Secret clearance (required)
• Must be eligible for DCSA Personnel Assurance Program enrollment
• CompTIA Security+ (DoD 8570 IAT Level II minimum)
• Bachelor's Degree
• 8-10 years of relative experience

Nice to Have:

• Familiarity with DCSA security requirements and compliance frameworks
• Microsoft Certified: Azure Administrator Associate
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• Microsoft Certified: Identity and Access Administrator Associate

Our team is always hungry for more - more knowledge, more problem solving, more growth, more innovation, and, ultimately, customer success. This hunger and hustle fuel our determination to excel in everything we do. It's not just about meeting established goals; it's about exceeding them. We take immense pride in applying our expertise in cutting-edge technologies and our ability to adapt to emerging trends directly to the users in the field, as our nation's protectors deserve nothing less.

Omni Federal is an equal opportunity and affirmative action employer. Omni Federal is committed to administering all employment and personnel actions on the basis of merit and free of discrimination based on race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or status as an individual with a disability. Consistent with this commitment, we are dedicated to the employment and advancement of qualified minorities, women, individuals with disabilities, protected veterans, persons of all ethnic backgrounds and religions according to their abilities.