Systems Administrator

Mission And Purpose

At Omega Cor, our purpose is to empower our clients, staff, and community to achieve excellence. A key element of fulfilling this mission is providing high-value IT consulting services that align technology with business objectives.

At Omega Cor, our purpose is to empower our clients, staff, and community to achieve excellence. A key element of fulfilling this mission is providing high-value IT consulting services that align technology with business objectives.

We are looking for a mid-to-senior level System Administrator to support a secure, hybrid Microsoft 365 and Windows Server environment within a federal agency. This position requires expertise in identity and access management, endpoint and policy management, and support of day-to-day server and infrastructure operations. Emphasis will be placed on M365 tenant administration, Azure Active Directory, Teams Voice, and effective use of ticketing systems and change control processes.

• Install, configure, and maintain operating systems, servers, and related software.
• Administer the Microsoft 365 tenant (Exchange Online, SharePoint, Teams, One Drive), including licensing and security configuration.
• Support Microsoft Teams Voice, including call plan configuration and Teams Phone System management.
• Manage user identities and group policies via Windows Server Active Directory and Microsoft Entra  (Azure AD).
• Support file and print services, domain administration, DHCP/DNS services, and GPO/Intune.
• Manage Microsoft Intune for device compliance, app deployment, and endpoint protection.
• Perform server and workstation maintenance tasks (patching, performance tuning, hardware upgrades) across physical and virtual systems.
• Utilize ticketing systems for incident, change, and service request management.
• Follow agency-approved change management procedures and ensure detailed documentation is maintained.
• Perform backup/restore operations and DR testing using enterprise backup tools.
• Collaborate with cloud and network teams on shared infrastructure responsibilities.
• Provide technical training and support to end users.

• Deep knowledge of Windows, Linux, and/or macOS systems, including installation, configuration, maintenance, and troubleshooting. Understanding of LAN, WAN, firewalls, routers, switches, and network security protocols.
• Ability to identify, diagnose, and resolve complex technical issues.
• Experience with Azure virtualization platforms for creating and managing virtual machines.
• Microsoft 365 tenant and license management
• Azure AD Connect, Conditional Access, and MFA enforcement
• Microsoft Intune and Autopilot deployment
• Knowledge of system security practices, intrusion detection systems, and data backup/recovery.
• Knowledge of Microsoft Purview Records Management

• 5+ years of experience in a system administration role in a mid-to-large enterprise or government environment
• U.S. Citizenship required by government agency
• Demonstrated experience with Microsoft 365, Windows Server AD, and virtualization platforms
• Preferred
  
  Certifications:
  
  Microsoft Certified:
  Azure Administrator, M365 Enterprise Admin Expert, VMware VCP

The above is intended to describe the general content of and requirements for the performance of this job. It is not to be construed as an exhaustive statement of duties, responsibilities, or physical requirements. Nothing in this job description restricts management's right to assign or reassign duties and responsibilities to this job at any time. Reasonable accommodation may be made to enable individuals with disabilities to perform essential functions.

Omega Cor Technologies is an equal-opportunity employer. Qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, veteran's status, age, or disability.

Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

As part of our commitment to providing a safe and secure work environment, Omega Cor Technologies conducts background checks on all prospective employees.

Background Check: Candidates who receive a conditional offer of employment will be subject to a comprehensive…