To our valued Leidos candidates:

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With that in mind, in an abundance of caution, we are canceling all face to face career events, such as job fairs and open house events. In the coming days and weeks, we will be hosting career events virtually, using our online chat tools so that we may continue our hiring practice safely and securely. You can find available virtual career events at

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Job #: R-00122654
Location: Lorton, VA
Category: Systems Administration
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Standard Plus On Call
Remote Type: No Remote
Clearance: Top Secret/SCI
Referral Eligibility: Eligible
Referral Bonus Amount: $5,000
Group: Digital Modernization

This job posting is no longer active.

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Job Description

The Department of Homeland Security (DHS) has a continuing requirement for Secure Enterprise Network Systems, Services, & Support (SENS3) for the continued operations and maintenance and evolution of the Homeland Secure Data Network (HSDN) and the Classified Local Area Network (C-LAN).

As part of the Enterprise Applications team, the Citrix Engineer will design, implement, and maintain Citrix solutions, ensuring optimal performance, availability, and scalability. You will proactively identify trends, determine incident root causes, and minimize client service interruptions through early identification and resolution of problems. Your expertise in NetScaler ADC/gateway, Citrix PVS, VDI, application publishing, troubleshooting, and disaster recovery will contribute to the success of our virtualization and application delivery initiatives. Support duties may include updating and supporting systems by tuning performance, allocating storage space. Implementing critical patches, reviewing systems performance logs to identify anomalies and troubleshoot issues. solution design and best practices for maintain of the and their configurations.  The position is a self-lead position to not only work incidents, outages, but the deployment/extension of the backup architecture for both networks on windows and Linux systems. 

Primary Responsibilities

  • Deploy and manage Citrix Virtual Apps and Desktops and associated components such as StoreFront, Provisioning Services (PVS), Machine Creation Services (MCS), Director, User Profile Management, Desktop Delivery Controllers (DDC).
  • Deploy, configure, and maintain non-persistent Citrix Virtual Desktops environments based on Windows and Server OS.
  • Conduct regular performance monitoring and optimization of Citrix environments, proactively identifying areas for enhancement.
  • Vulnerability management of server and desktops in the service to ensure compliance with the current patching requirements.
  • Making and implementing recommendations for resources required to maintain and/or expand service levels
  • Performance-monitoring, tuning, scripting, upgrades and maintenance of production Citrix systems
  • Administration on Citrix/Desktops for maintenance, upgrades, and image maintenance, & application updates/upgrades
  • Responsible for the workflow & handling of incident tickets, troubleshooting and their resolution.
  • Documents and tracks hardware and software configurations, migrations, testing and deployment solutions.

Basic Qualifications

  • An active TS/SCI clearance,
  • Degree in Computer Science, Information Technology, or a related field
  • BS degree and 8 – 12 years of prior relevant experience or Masters with 6 – 10 years of prior relevant experience.
  • Experience with installing, configuring, and troubleshooting Windows Operating Systems
  • Experience working in a Citrix Virtual Apps and Desktops environment
  • Experience with Disk Configuration and Installation and Configuration of DNS and Active Directory
  • Experience with Systems Policy and Group Policy;
  • Experience with Windows Performance Tuning and Windows Server troubleshooting.
  • Strong hardware and software troubleshooting skills required
  • Effective communication skills to collaborate with technical and non-technical teams.
  • Proactive, self-learner who is motivated & results-oriented with a positive, team-player attitude.

Preferred Qualifications

  • Strong technical depth in Citrix virtual desktops, VMware, and Windows Operating Systems
  • Hyper-V or other Hyper Visor experience
  • Thin Client using Virtual Desktop Interface Technology
  • Detail-oriented, and able to handle multiple tasks and heavy workloads efficiently.
  • Experience in several of the following areas: Scripting, Powershell, Active Directory, Group Policy, SCCM, Certificates (PKI), Application configurations
  • Knowledge of networking fundamentals, including DNS, TCP/IP, 802.1q tagging, routing protocols preferred.
  • Technical IT certifications or experience with the related technologies preferred – Citrix Certified Administrator (CCA), Citrix Certified Advanced Administrator (CCAA), Citrix Certified Enterprise Engineer
  • (CCEE), Citrix Certified Integration Architect (CCIA), Azure, AWS, VMware VCP-DCV

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Original Posting Date:


While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

About Leidos

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's 47,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2023. For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

This job posting is no longer active.

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