Omnissa (Horizon VDI) Administrator (Government) na AT&T

Job Description:

This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No relocation is offered.

AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government.   We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission.

AT&T is hiring to support a US Government Program that provides IT Services to US Strategic Command located in Omaha Nebraska.

Job Duties/Responsibilities:

• Perform systems administration for enterprise Omnissa (Horizon VDI) solutions, including installation, configuration, and maintenance.
• Analyze and resolve issues related to servers, hardware, applications, and software within the Omnissa environment.
• Monitor system performance and ensure compliance with security standards and organizational policies.
• Oversee daily system operations, evaluate server resource availability, and manage all Omnissa software activities.
• Assist in configuring, deploying, and maintaining virtual machines and backup configuration procedures.
• Maintain and monitor patch releases, design and implement patch installation strategies, and ensure systems are updated per program standards.
• Provide Tier 2 and Tier 3 troubleshooting support, working with end users and technical teams to resolve complex issues.
• Support the creation, updating, and maintenance of images for VDI terminals, including application support and baseline management.
• Ensure VMware backend capacity and stability to support virtual desktops and overall VDI infrastructure.
• Maintain documentation and adhere to best practices for system administration and service support.
• Perform shift work to provide continuous 7x24 coverage.

Required Clearance:

TS/SCI (#tssci)

Additional Clearance Requirements:

Can start with a TS (#topsecret)

Required Qualifications:

• Bachelor’s degree (B.S.) in a related field.
• 10+ years of experience in network and computer systems administration, with focus on cyber and network monitoring operations
• At least one of the following certifications: CEH, CFR, Cloud+, GICSP, SSCP, Security+, GSEC, or CySA+.

Desired Qualifications:

• ITIL v4 certification.
• Extensive hands-on experience administering Omnissa (Horizon VDI) or similar virtual desktop infrastructure solutions.
• Strong expertise in troubleshooting and providing Tier 2/3 support in enterprise environments.
• Experience with patch management, system baselining, and image building for virtual environments.
• Proficiency in VMware backend administration and capacity planning.
• Familiarity with secure configuration and deployment of virtual machines in compliance-driven environments.
• Strong analytical and problem-solving skills for diagnosing complex system issues.
• Effective communication skills for interfacing with end users and cross-functional technical teams.
• Experience supporting local applications within virtual OS images.
• Demonstrated ability to adhere to and implement organizational policies, standards, and best practices.

Weekly Hours:

Time Type:

Location:

It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.