To our valued Leidos candidates:

Coronavirus is on everyone's mind with the effects being felt around the world. The markets are volatile, and we're all concerned for the health and safety of our families, friends, and colleagues. Please know that we're taking all necessary measures to safeguard our employees, customers and the communities in which we live, including following all recommended best practices around social distancing.

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

We are using telephone meetings and online chats via Brazen to conduct interviews and hiring discussions, and we are offering options for video interviews so that you can have a virtual face to face meeting with your potential new leader. We do not conduct interviews or extend offers via text or chat based social media, such as WhatsApp or MySpace.

Leidos will never ask you to provide payment-related information at any part of the employment application process, nor will Leidos ever advance money as part of the hiring process. And Leidos will communicate with you only through emails that are generated by automated system. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to Chris Scalia, Leidos’ Senior Vice President of Talent Acquisition, at [email protected].

As a company, as a country, as a world, we have confronted challenging moments before. We are confident that, guided by our values and the strength of our community as well as the commitment we have to the important work we do each day, we will find our way through this time together. We will do this with the care and concern for one another and the common good that defines. Please keep those impacted by the virus in your thoughts.

Close Window
Join our talent network
Skip to main content

Job #: R-00128126
Location: Lorton, VA
Category: Systems Engineering
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Standard Plus On Call
Remote Type: No Remote
Clearance: Top Secret/SCI
Referral Eligibility: Eligible
Referral Bonus Amount: $5000
Group: Digital Modernization

This job posting is no longer active.

Share: mail twitter linkedin


The Department of Homeland Security (DHS) has a continuing requirement for Homeland Enterprise IT Secure Services and Support (HEITS) 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 Senior Citrix Engineer role will be responsible for designing, implementing, managing, and securing Citrix Virtual Apps and Desktops, Netscaler/ADC, and Citrix Cloud systems. You will be responsible for deployment and management of Virtual Apps and Desktops environments, Netscaler/ADC, and associated components. Support duties may include updating and supporting systems by tuning performance, implementing critical patches, reviewing systems performance logs to identify anomalies and troubleshoot technical issues related to the Citrix environment.

Primary Responsibilities

  • Leads design, performance-monitoring, tuning, scripting, upgrades and maintenance of production Citrix systems
  • Test, upgrade, and migrate virtual environments and components, while ensuring that change management and defined security protocols for all assigned systems are executed in accordance with DHS policies and procedures.
  • Demonstrate your ability to troubleshoot applications within a Citrix environment, identifying and resolving issues to maintain a high level of performance and user experience.
  • Contribute as a subject matter technical expert for Citrix Virtual Apps and Desktops administration and maintenance/operations/troubleshooting and all elements related the application environment
  • Stay abreast of related technology and recommend future system enhancements, improving troubleshooting and reducing the manual tasks

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. 
  • Must have a solid foundation in Citrix Virtual Apps and Virtual desktops from initial requirements gathering, testing, documentation, and installation through all troubleshooting aspects.
  • Experience in designing, deploying and supporting large-scale Citrix environments using, Virtual Applications, Virtual Desktops, Provisioning Server (PVS) deployments, and management of on-premise controllers.
  • 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
  • 10+ years of experience in virtual desktop, performance engineering, systems engineering role
  • 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

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.

Pay Range:

Pay Range $101,400.00 - $183,300.00

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.

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 global workforce of 47,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 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.

Talent Community

Join our Talent Community to create a profile, enabling a streamlined application process and to help our recruiters better understand your areas of expertise and interest.

Join our Talent Community