Senior Virtualization Engineer - Warner Robins - TS/SCI clearance

Senior Virtualization Engineer

Location: Warner Robins, GA (100% Onsite)
Salary Range: $135,000–$165,000 annually, depending on experience
Security Clearance: Active TS/SCI required
Certification: CompTIA Security+ required

Position Overview

PGTEK is seeking an experienced Senior Virtualization Engineer to manage, maintain, and optimize an enterprise virtual desktop infrastructure (VDI) environment built around Omnissa Horizon and Workspace ONE. This role is responsible for the administration, security, performance, and availability of the virtualization environment, including desktop pools, access infrastructure, authentication integrations, and supporting VMware infrastructure.

The ideal candidate brings extensive hands-on experience managing production VMware Horizon environments, strong troubleshooting skills, and the ability to maintain secure, reliable, and well-documented infrastructure in a mission-critical environment.

This is a fully onsite position in Warner Robins, Georgia. Candidates must possess an active TS/SCI security clearance and CompTIA Security+ certification.

Key Responsibilities

Virtualization Environment Management

• Administer and maintain the Omnissa Horizon and Workspace ONE environment, including Connection Servers, Unified Access Gateway, and supporting infrastructure components.
• Design, deploy, configure, and maintain persistent and non-persistent Horizon desktop pools.
• Manage Horizon licensing and ensure compliance with applicable licensing requirements.
• Maintain the reliability, availability, and performance of the virtual desktop environment.

Operations and Maintenance

• Perform routine health checks and monitor Horizon infrastructure components.
• Execute software patching, upgrades, and maintenance activities while minimizing service disruptions.
• Troubleshoot and resolve login issues, session failures, connectivity problems, and other virtual desktop incidents.
• Monitor performance metrics and optimize resource allocation to maintain a reliable end-user experience.
• Serve as a technical escalation point for complex Horizon-related incidents.

Security and Compliance

• Implement and maintain security policies and controls within the Horizon environment.
• Manage access controls and authentication integrations, including Active Directory, single sign-on (SSO), and multifactor authentication (MFA).
• Ensure compliance with organizational security standards and applicable requirements.
• Conduct regular security audits and implement remediation measures as needed.

Documentation and Technical Support

• Maintain accurate architecture documentation, technical procedures, and operational runbooks.
• Document change management procedures, maintenance activities, and disaster recovery plans.
• Provide technical guidance and knowledge transfer to support teams.
• Communicate technical issues, risks, and resolutions effectively to stakeholders

Requirements

• 5+ years of hands-on experience administering and managing VMware Horizon environments in production.
• Deep technical knowledge of VMware Horizon 7.x and/or 8.x.
• Experience with Horizon display protocols, including PCoIP and Blast Extreme.
• Hands-on experience deploying and managing Instant Clones and virtual desktop pools.
• Strong understanding of VMware vSphere, Active Directory, DNS, and storage fundamentals.
• Experience troubleshooting complex virtualization, authentication, desktop session, and connectivity issues.
• Knowledge of security controls, access management, and enterprise infrastructure best practices.
• Strong analytical and problem-solving skills.
• Excellent documentation, communication, and stakeholder coordination skills.
• Active TS/SCI security clearance.
• Current CompTIA Security+ certification.

Preferred Qualifications

• VMware Certified Professional – Data Center Virtualization (VCP-DCV) or VMware Certified Advanced Professional – Data Center Virtualization (VCAP-DCA).
• Experience with Omnissa Horizon Cloud Service or hybrid Horizon deployments.
• Knowledge of App Volumes and Dynamic Environment Manager.
• Familiarity with automation and scripting tools, including PowerCLI and Ansible.
• Understanding of network requirements supporting Horizon environments, including firewall rules, load balancing, and GFE.
• Previous experience serving as a subject matter expert (SME), technical lead, or senior virtualization administrator.

Benefits

Our comprehensive benefits package for full-time salaried employees is effective immediately upon the start date. Benefits include comprehensive PPO medical coverage with access to a Health Savings Account (HSA) option, a vision plan, and dental insurance with the base dental plan option paid for by PGTEK. Life Insurance, Short and Long-Term disability, and Critical Illness insurance have premiums covered.