Principal Citrix Engineer

Philadelphia, PA, US, 19107

Job Type: 

Req ID: 24004

Shift: Days

Employment Status: AF - Active - Regular - Full Time 

Job Summary

  • Provides technical direction, evaluates and recommends the use of new technologies.
  • Performs system engineering analyses across multiple platforms. Is able to perform requirements gathering, requirement validation and verification.
  • Takes the lead to coordinate with team members inside and outside of the organization to support project, planning and policy issues.
  • Develops and documents systems engineering standards.
  • Devises solutions to operational and project problems using creative solutions and working within the capacity and limitations of the organization.
  • Evaluates designs, documents, tests, monitors, tunes and sets standards.
  • Assists upper management in identifying potential new products or business opportunities and defines associated program requirements.
  • Evaluates highly complex system designs and architectures and recommends design modifications to eliminate single points of failure.

Job Responsibilities

A Principal Citrix Engineer has similar responsibilities to Engineer III personnel. However, a Principal Citrix Engineer is deemed to be the subject matter expert and in-house advisor on complex problems and issues. A Principal Engineer also:

  1. Works independently to initiate assignments and draws upon extensive professional knowledge and experience to make independent judgments regarding the appropriate approach to complex projects and in determining objectives.
  2. Plans, coordinates and performs complex assignments under minimal supervision.
  3. Provides time and cost estimation for project planning.
  4. Has the capability to work with MS Project for including project asset needs.
  5. Possesses strong verbal and written communications skills, including proficiency Microsoft Visio and other MS Office products to develop technical documentation and participate in design review efforts.
  6. Interacts and manages Tiers 1 - 3, and assists with production application support as needed.
  7. Counsels management, customer personnel and colleagues on resolving complex technical issues

Job Responsibilities (Continued)

* Citrix 
o Architecture, design, and deployment of multi-site enterprise Citrix solution – XenServer, XenApp/XenDesktop, Provisioning Services, StoreFront, Delivery Controllers 
o Integrate new features and requests (e.g. Single Sign-on, Content redirection, device integration, multi-factor authentication) 
o Support and troubleshoot environment (including after-hours support) 
o Deployment and configuration of XenServer hypervisor 
o Deploy, configure, and update Provisioning Services (PVS), including setup for highly available TFTP and PXE 
o Deploy and configure NetScaler Gateway for secure resource access by external users 
o Configure access policies and troubleshoot connectivity issues 

* Epic 
o Setup and configure multi-site, load balanced applications as part of Epic’s Web and Service Server tier   
o Responsible for the following applications - Epic Print Service, Web Blob Service, Interconnect, Hyperspace, System Pulse, Hyperspace Web 
o Responsible for underlying infrastructure of all Epic Windows infrastructure  
o Maintenance and monitoring of system health 
o Integration with other Epic components and third party applications such as Imprivata Single Sign-on, Chartmaxx, and Entrust two-factor authentication 
o Configure access and integration with external organizations and vendors – SureScripts for e-Prescribing, ZocDoc for appointment scheduling, MedAction Plan for patient medication management - as well as providing entry points into the EHR for homegrown application development   
o Act as lead during Epic version upgrades for applications noted above 
o Coordinate closely with analysts (both CHOP and Epic) and Cache DBAs for updates, upgrades, and other system changes 
o Troubleshoot application and infrastructure issues 

* Citrix NetScaler 
o Design and configure multi-site NetScaler deployment for both DMZ and internal applications using GSLB and HA NetScaler Pairs 
o Write custom application-based policies for load balancing and monitoring 
o Configure complex rules for routing application traffic 
o Configure IP routing, SSL, Content switching, App Firewall 
o Configure NetScaler Gateway for secure remote access of Citrix published resources with advanced multi-factor authentication based on traffic source and Active Directory membership 
o Troubleshoot traffic and network issues related to load balanced applications 

* Citrix XenMobile 
o Deployment, configuration, and troubleshooting of XenMobile infrastructure 
* General Infrastructure 
o Deploy, configure, and maintain Cisco UCS blade chassis 
o Deploy, configure, and maintain HP blade chassis 
o Responsible for setup of both HP and Cisco platforms for use in virtual and physical environments 
o Configuring web services for secure communication (protocol/cipher lockdown, IP filtering, proxy configuration) 
o Develop scripts (VBScript, PowerShell, C#) to automate repeated tasks and provide for less technical users’ self-serviceability.   
o Capacity planning and review for all Citrix and Epic subsystem components  


Required Education and Experience

  • Mutually Agreed upon Advanced certification in area of concentration required
  • 8-10+  years of experience performing system administration and engineering for one of the following systems Red hat Linux UNIX, Windows, IBM, HDS, Citrix, Infrastructure as a service/ Cloud and/or Virtualization technologies (Xen, Vmware, Microsoft Server).
  • Extensive track record engineering, leading and implementing large, complex, enterprise class solutions in a global environment. 
  • Senior level experience in developing emerging technology solutions will be considered along side of technology experience listed above.

Preferred Education, Experience & Cert/Lic

* Soft Skills 
o Communication 
* Excellent speaking, writing, and listening 
* Interaction between stake holders (internal and external) and with partners and/or clients 
o Creativity 
* Problem solver 
o Adaptability 
* Think on your feet, assess problems, and find solutions 
o Collaboration 
* The ability to work with other people from different backgrounds is essential 
o Leadership 
* Assess risk, take initiative, make decisions in the face of uncertainty, sense of urgency, the will to deliver on time in the face of constraints or obstacles, resourcefulness and flexibility, trust and loyalty in a team setting, ability to relate to others 

Additional Technical Requirements

  • Technical Expertise

    It is required that a Principal demonstrate in depth knowledge at the highest level of a specific technical discipline.  Including but not limited to understanding of technical functionality, integration points with other services, industry roadmaps associated with both their specific discipline but also competitive services where applicable.  It is expected that a Principal will maintain current certification within their technical discipline as appropriate. 

    Examples of activities that demonstrate Principal level technical skill:  Published or sited technical materials used by vendors or technical user groups.  Presentation of technical materials in broader than CHOP forums.  Active participation in product development and testing.

  • Training & Mentoring

    The Principal is expected to be the lead for training and education of fellow staff members within that specific discipline.  Structured information sharing cover areas such are technical innovation, operational management, and process functionality should be conducted frequently both formally and informally.  The Principal is in large part responsible for guiding other team members to increase their skill in their specific discipline.  At a minimum structured training and mentoring should occur quarterly and with any major change in technical services such as, version changes, new product deployment, or service decommissioning.  The principal needs to follow the technology training guidelines.   

  • Business impact of technology

    It is expected that a Principal will have a clear understanding of the current and potential use and impact of the technology in their discipline.  They should be able to clearly articulate this information to both technical and non-technical audiences.  Principal should have a clear understanding of the user base they are supporting and should drive structured customer feedback activities at least twice a year.  In addition to solicited feedback development of service the Principal should drive creation and support of minimally three specific technical and non-technical KPI.  

  • Fiscal responsibility in Design/Service Delivery

    The Principal must design keeping in mind the best technical options for their discipline as well as the financial implication of any suggested designs.  Taking into account not only up-front costs but recurring costs through the life cycle of the service.

  • Security and Compliance

    The Principal must be capable of performing security risk assessments for existing and for new services. They should be able to recommend risk mitigation solutions and work to improve security compliance and system hardening standards.    Principals have an obligation to report any deviation from approved use of technology. 


  • The principal is to lead RCA effort’s within their domain and provide technical verification/approval during the RCA.  Principal will provide service reviews at scheduled intervals after a service go live (120, 180, 365).

All CHOP employees who work in a patient building or who provide patient care are required to receive an annual influenza vaccine unless they are granted a medical or religious exemption.

Children's Hospital of Philadelphia is committed to providing a safe and healthy environment for its patients, family members, visitors and employees. In an effort to achieve this goal, employment at Children's Hospital of Philadelphia, other than for positions with regularly scheduled hours in New Jersey, is contingent upon an attestation that the job applicant does not use tobacco products or nicotine in any form and a negative nicotine screen (the latter occurs after a job offer).

Children's Hospital of Philadelphia is an equal opportunity employer. We do not discriminate on the basis of race, color, gender, gender identity, sexual orientation, age, religion, national or ethnic origin, disability or protected veteran status.

VEVRAA Federal Contractor/Seeking priority referrals for protected veterans.  Please contact our hiring official with any referrals or questions.

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Philadelphia, PA 19146 

Phone: 866-820-9288




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