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Omnissa (Horizon VDI) Administrator (Government)

AT&T

Engineering Jobs

Omnissa (Horizon VDI) Administrator (Government)

full-timePosted: Oct 22, 2025

Job Description

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.

    Locations

    • Bellevue, Nebraska, United States

    Salary

    71,600 - 90,501 USD / yearly

    Estimated Salary Rangemedium confidence

    85,000 - 140,000 USD / yearly

    Source: ai estimated

    * This is an estimated range based on market data and may vary based on experience and qualifications.

    Skills Required

    • Systems administration for Omnissa (Horizon VDI)intermediate
    • Installation, configuration, and maintenance of VDI solutionsintermediate
    • Troubleshooting servers, hardware, applications, and softwareintermediate
    • System performance monitoringintermediate
    • Security compliance and policy adherenceintermediate
    • Server resource evaluationintermediate
    • Virtual machine configuration and deploymentintermediate
    • Backup configuration proceduresintermediate
    • Patch management and installation strategiesintermediate
    • Tier 2 and Tier 3 troubleshooting supportintermediate
    • Image creation, updating, and maintenance for VDI terminalsintermediate
    • Application support and baseline managementintermediate
    • VMware backend administration and capacity planningintermediate
    • Documentation maintenanceintermediate
    • Best practices for system administrationintermediate
    • Shift work for 7x24 coverageintermediate
    • Network and computer systems administrationintermediate
    • Cyber and network monitoring operationsintermediate
    • Analytical and problem-solving skillsintermediate
    • Communication skillsintermediate
    • Supporting local applications within virtual OS imagesintermediate

    Required Qualifications

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

    Preferred Qualifications

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

    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.

    Benefits

    • general: Medical/Dental/Vision coverage
    • general: 401(k) plan
    • general: Tuition reimbursement program
    • general: Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
    • general: Paid Parental Leave
    • general: Paid Caregiver Leave
    • general: Additional sick leave beyond what state and local law require may be available but is unprotected
    • general: Adoption Reimbursement
    • general: Disability Benefits (short term and long term)
    • general: Life and Accidental Death Insurance
    • general: Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
    • general: Employee Assistance Programs (EAP)
    • general: Extensive employee wellness programs
    • general: 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

    Target Your Resume for "Omnissa (Horizon VDI) Administrator (Government)" , AT&T

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    Check Your ATS Score for "Omnissa (Horizon VDI) Administrator (Government)" , AT&T

    Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

    ATS compatibility check
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    Tags & Categories

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    AT&T logo

    Omnissa (Horizon VDI) Administrator (Government)

    AT&T

    Engineering Jobs

    Omnissa (Horizon VDI) Administrator (Government)

    full-timePosted: Oct 22, 2025

    Job Description

    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.

      Locations

      • Bellevue, Nebraska, United States

      Salary

      71,600 - 90,501 USD / yearly

      Estimated Salary Rangemedium confidence

      85,000 - 140,000 USD / yearly

      Source: ai estimated

      * This is an estimated range based on market data and may vary based on experience and qualifications.

      Skills Required

      • Systems administration for Omnissa (Horizon VDI)intermediate
      • Installation, configuration, and maintenance of VDI solutionsintermediate
      • Troubleshooting servers, hardware, applications, and softwareintermediate
      • System performance monitoringintermediate
      • Security compliance and policy adherenceintermediate
      • Server resource evaluationintermediate
      • Virtual machine configuration and deploymentintermediate
      • Backup configuration proceduresintermediate
      • Patch management and installation strategiesintermediate
      • Tier 2 and Tier 3 troubleshooting supportintermediate
      • Image creation, updating, and maintenance for VDI terminalsintermediate
      • Application support and baseline managementintermediate
      • VMware backend administration and capacity planningintermediate
      • Documentation maintenanceintermediate
      • Best practices for system administrationintermediate
      • Shift work for 7x24 coverageintermediate
      • Network and computer systems administrationintermediate
      • Cyber and network monitoring operationsintermediate
      • Analytical and problem-solving skillsintermediate
      • Communication skillsintermediate
      • Supporting local applications within virtual OS imagesintermediate

      Required Qualifications

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

      Preferred Qualifications

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

      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.

      Benefits

      • general: Medical/Dental/Vision coverage
      • general: 401(k) plan
      • general: Tuition reimbursement program
      • general: Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
      • general: Paid Parental Leave
      • general: Paid Caregiver Leave
      • general: Additional sick leave beyond what state and local law require may be available but is unprotected
      • general: Adoption Reimbursement
      • general: Disability Benefits (short term and long term)
      • general: Life and Accidental Death Insurance
      • general: Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
      • general: Employee Assistance Programs (EAP)
      • general: Extensive employee wellness programs
      • general: 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

      Target Your Resume for "Omnissa (Horizon VDI) Administrator (Government)" , AT&T

      Get personalized recommendations to optimize your resume specifically for Omnissa (Horizon VDI) Administrator (Government). Takes only 15 seconds!

      AI-powered keyword optimization
      Skills matching & gap analysis
      Experience alignment suggestions

      Check Your ATS Score for "Omnissa (Horizon VDI) Administrator (Government)" , AT&T

      Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

      ATS compatibility check
      Keyword optimization analysis
      Skill matching & gap identification
      Format & readability score

      Tags & Categories

      TelecommunicationsTelecommunications

      Answer 10 quick questions to check your fit for Omnissa (Horizon VDI) Administrator (Government) @ AT&T.

      Quiz Challenge
      10 Questions
      ~2 Minutes
      Instant Score

      Related Books and Jobs

      No related jobs found at the moment.