Omnissa (Horizon VDI) Administrator (Government)

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: 40 Time Type: Regular Location: Bellevue, Nebraska 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. We are pioneers of making connections and have been ever since Alexander Graham Bell invented the telephone and founded our company. That was nearly 150 years ago, and we haven’t stopped innovating since. At our core, we help bring families, communities, and businesses together with the products and services they need to thrive every day. From the widespread and growing availability of 5G and Fiber to working on things we once only dreamed of—at AT&T, we create connections that change the world. Apply tot his job