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Sr Systems​/Citrix Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Aqua IT
Full Time position
Listed on 2026-02-23
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity
  • Engineering
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 90000 - 120000 USD Yearly USD 90000.00 120000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

We are seeking a Senior Systems / Citrix Engineer to support a high-visibility enterprise environment within the Intelligence Community. This role will play a key part in virtualization infrastructure, modernization initiatives, and ongoing AWS cloud migration efforts. The position is highly collaborative and user-facing, requiring both strong technical depth and excellent communication skills.

Responsibilities
  • Serve as a Subject Matter Expert for Citrix technologies and enterprise virtualization platforms.
  • Support design, implementation, upgrades, and maintenance of virtual desktop and application delivery environments.
  • Contribute to AWS cloud migration and modernization initiatives, including infrastructure build-outs and optimization.
  • Assist with system upgrades, performance tuning, and lifecycle management of infrastructure components.
  • Collaborate with cross-functional engineering, security, and operations teams to ensure scalability and reliability.
  • Provide Tier 3 troubleshooting and incident resolution for complex technical issues.
  • Engage directly with end users and stakeholders to gather requirements and provide technical guidance.
  • Create and maintain technical documentation and operational procedures.
Required Qualifications
  • Active Top Secret clearance (TS/SCI preferred)
  • Strong hands-on experience with Citrix technologies in enterprise environments.
  • Broad systems or infrastructure engineering background (Windows Server, virtualization, networking, or similar).
  • Experience supporting large-scale environments and modernization projects.
  • Experience working in user-facing or stakeholder-facing technical roles.
  • Strong troubleshooting and problem-solving skills.
Desired / Nice to Have
  • Experience with AWS cloud services and hybrid infrastructure environments.
  • Familiarity with application delivery, gateway, or load-balancing technologies (e.g., Net Scaler or equivalent).
  • Exposure to automation or scripting (Power Shell, Python, etc.).
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