Senior Systems Engineer (Citrix)

Que Technology Group, Inc. is seeking a highly motivated Senior Systems Engineer (Citrix) with extensive experience designing, implementing, and supporting large-scale Citrix environments across Windows and Linux/UNIX platforms. The ideal candidate will serve as a technical lead and subject matter expert responsible for enterprise virtual desktop infrastructure, application delivery, cross-platform identity integration, virtualization, and systems engineering initiatives supporting mission-critical operations.

Responsibilities

• Design, engineer, deploy, and maintain enterprise Citrix environments including XenApp, XenDesktop, Virtual Apps and Desktops, StoreFront, NetScaler, Provisioning Services, and Profile Management.
• Install, configure, and support Citrix application publishing for Windows, Linux, and UNIX-based applications.
• Provide Tier III and Tier IV support for Citrix infrastructure, troubleshooting complex performance, connectivity, authentication, and application delivery issues.
• Administer Microsoft Windows Server environments including Active Directory, Group Policy, DNS, and authentication services.
• Install, configure, and maintain Linux and UNIX operating systems including Red Hat Enterprise Linux and Solaris systems.
• Integrate Linux and UNIX systems with Microsoft Active Directory using Delinea, Centrify, and related identity management technologies.
• Support VMware ESX and vSphere environments hosting Citrix workloads and enterprise services.
• Deploy, configure, and support enterprise storage technologies including NetApp storage systems and SAN infrastructure.
• Perform system hardening, patch management, vulnerability remediation, and compliance activities in accordance with security requirements.
• Develop technical documentation, architecture diagrams, implementation guides, and operational procedures.
• Collaborate with engineering teams, customers, and stakeholders to modernize infrastructure and improve service delivery.

Requirements

• Bachelor's degree plus 8+ years of relevant experience, or equivalent combination of education and experience.
• 5+ years of hands-on experience supporting Citrix XenApp and XenDesktop environments.
• Strong administration experience with Microsoft Windows Server, Active Directory, DNS, and Group Policy.
• IAT II certification.
• Strong Linux and UNIX administration experience, preferably with Red Hat Linux and Solaris.
• Experience with VMware ESX and vSphere virtualization technologies.
• Experience integrating Linux and UNIX systems with Active Directory and enterprise authentication services.
• Experience creating technical documentation and supporting enterprise infrastructure projects.
• Excellent troubleshooting, communication, and customer-facing skills.
• Active TS/SCI with Polygraph required.

Qualifications

• Citrix Certified Administrator, Citrix Virtual Apps and Desktops certification, or equivalent.
• NetApp Certified Data Management Administrator or equivalent enterprise storage experience.
• Experience with Delinea, Centrify, privileged access management, and cross-platform identity integration.
• Experience supporting enterprise virtual desktop infrastructure environments and Citrix NetScaler implementations.
• Experience supporting Department of Defense, Intelligence Community, or other highly secure enterprise environments.

Pay

$170,000 - $210,000 annually

Benefits

• Competitive salary
• Company-paid medical, dental, and vision plans
• Company-paid short-term disability, long-term disability, and life insurance
• Business/First Class travel upgrade for 7-hour or longer flights; company card provided for expenses
• 25 days of vacation/personal days per year
• 11 paid federal holidays
• $5,000 annual professional development fund plus 40 paid hours if in class
• 401K with 6% company match; all contributions are immediately vested
• $10,000 bonus per employee hired based on referral
• Up to 3 paid Code Red days due to customer closure