ATGCitrix Systems Administrator

Job Summary

ATG is seeking a highly skilled Citrix Systems Administrator to support the Navy Maritime Maintenance Enterprise Solution (NMMES). This cloud-based software solution tracks, manages, schedules, and reports on critical maintenance and repairs for the US Naval Fleet across major national shipyards.

In this role, you will take ownership of a Citrix Virtual Apps and Desktops (CVAD) infrastructure supporting over 1,500 active sessions daily. The environment includes web applications as well as an AWS cloud architecture.

• Infrastructure Lifecycle:
  Install, configure, optimize, and maintain Citrix CVAD environments (focusing on versions 1912, 2402, and 2507) along with cloud resources within Amazon Web Services (AWS).
• Tier 3 Troubleshooting:
  Rapidly diagnose and resolve complex session startup errors, performance degradation, and infrastructure bottlenecks utilizing deep knowledge of the OSI model.
• Component Knowledge:
  Manage and fine-tune core Citrix architecture components, including Delivery Controllers (DDC), Store Front (SF), Workspace Environment Management (WEM), and Virtual Delivery Agents (VDA/VDI).
• Cybersecurity Compliance:
  Drive quarterly Security Technical Implementation Guides (STIGs) compliance through proactive vulnerability scanning, aggressive risk mitigation, and robust technical reporting.

• Automation & Scripting:
  Develop and run Power Shell scripts to automate infrastructure tasks, reduce resolution time, and improve overall system availability.
• ITSM & Communication:
  Manage the operational lifecycle of tickets inside Service Now, accurately documenting Incidents (Inc), Knowledge Base entries (KB), Problem Cases (PB), and Change Requests (CR).

• On-Call Operations:
  Because the work directly impacts fleet readiness, these platforms demand a 24/7/365 operational posture with a target of 100% uptime, requiring participation in a structured team on-call rotation requiring an aggressive 15-minute response time on task, when not onsite.
• Represent the engineering team on critical incident bridge calls with Government Command Centers and end-users.
• Relies on extensive experience and judgment to plan and accomplish goals and independently perform a wide variety of complicated tasks.
• May provide consultation on complex projects and is considered to be the top level contributor/specialist.
• May lead and direct the work of others.
• Organizes and directs the configuration and operation of information management systems.
• Responsible for directing the work of other system administrators to provide day-to-day system administration to include system and resource optimization, and user assistance.
• Conducts capacity and performance analysis and provides system configuration change and upgrade recommendations.
• Increases system administrator efficiency and accuracy via the use of automated tools and scripts, develops system administration procedures, and conducts system administrator training and skills assessment.

• Experience:
  
  At least 5 years of experience in the field or in a related area within DoW/Navy programs.
• Familiar with a variety of the field’s concepts, practices, and procedures.
• Requires US Citizenship
• Required Security Clearance:
  Secret. An active Interim Secret clearance is acceptable for onboarding on day one.
• Location: Must be local to Norfolk, VA, and available for 100% onsite attendance.
• DoD Compliance: Ability to achieve 100% compliance with DoD 8140 Cyber Workforce Qualification Program (CWQP) credentials within a six (6) month grace period from hire.
• Certifications: Must have and maintain active technical certifications relevant to the stack (e.g., Citrix CCA-V/CCP-V, AWS Sys Ops Administrator, or Microsoft Certified Server Administrator).

• 4+ years of direct, hands-on experience installing, configuring, and troubleshooting Citrix CVAD platforms.
• Advanced fluency with Power Shell for server management, tasks automation, and tool deployment.
• Demonstrable experience troubleshooting Citrix Session Launch sequences and deep network pathing.
• High familiarity utilizing Service Now for Enterprise IT service request tracking and change control.
• Prior experience working within a military command center structure or supporting US Navy software modernization initiatives.
• 2+ years of hands-on experience deploying, monitoring, and troubleshooting production workloads in AWS, with strong proficiency in core infrastructure services (e.g., EC2, VPC, S3) and IAM security protocols.