Omnissa (Horizon VDI) Administrator (Government)
Bellevue, Nebraska
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.
Our Omnissa (Horizon VDI) Administrator's earn between $71,600 - $90,501. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.
Joining our team comes with amazing perks and benefits:
- Medical/Dental/Vision coverage
- 401(k) plan
- Tuition reimbursement program
- Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
- Paid Parental Leave
- Paid Caregiver Leave
- Additional sick leave beyond what state and local law require may be available but is unprotected
- Adoption Reimbursement
- Disability Benefits (short term and long term)
- Life and Accidental Death Insurance
- Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
- Employee Assistance Programs (EAP)
- Extensive employee wellness programs
- Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone
Weekly Hours:
40Time Type:
RegularLocation:
Bellevue, NebraskaIt 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.
Job ID R-87598 Date posted 10/22/2025
Benefits
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- Paid Time Off
- Tuition Assistance
- Insurance Options
- Discounts
- Training & Development
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