Citrix Infrastructure Administrator

General information Job Posting Title Citrix Infrastructure Administrator Date Thursday, July 9, 2026 City Arlington State VA Country United States Working time Full-time Description & Requirements Maximus is seeking a Citrix Infrastructure Administrator to support the Defense Information Systems Agency (DISA) Compartmented Enterprise Services Office (CESO) program in Rosslyn, VA.The Citrix Infrastructure Administrator will be responsible for configuring, administering, maintaining, and securing an enterprise Citrix environment supporting geographically distributed users across mission-critical Department of Defense networks. The ideal candidate will possess strong expertise in Citrix Virtual Apps and Desktops (CVAD), Citrix ADC (NetScaler), virtualization technologies, and enterprise infrastructure operations. This role requires outstanding troubleshooting abilities, strong communication skills, and experience supporting highly secure environments. This role is on-site, five days a week and requires an active TS/SCI security clearance. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS136, T4, Band 7 Job-Specific Essential Duties and Responsibilities:- Configure, administer, and maintain Citrix Virtual Apps and Desktops (CVAD) environments supporting enterprise users.- Manage and support Citrix ADC (NetScaler), StoreFront, Citrix Gateway, and other Citrix access components.- Troubleshoot and resolve user connectivity, latency, performance, and application delivery issues across multiple geographic locations.- Perform routine patching, upgrades, firmware updates, health checks, and maintenance activities for Citrix infrastructure and supporting platforms.- Manage security controls, user access, and Active Directory integrations while ensuring compliance with government security requirements.- Develop and maintain automation scripts using PowerShell and other scripting technologies to improve operational efficiency.- Monitor system performance, availability, and capacity to proactively identify and address infrastructure issues.- Create and maintain technical documentation, system configurations, procedures, and operational runbooks.- Support incident management, change management, and problem resolution activities in accordance with established processes.- Collaborate with engineering, operations, cybersecurity, and customer stakeholders to ensure reliable and secure service delivery.Job-Specific Minimum Requirements:- Active Top Secret security clearance with SCI eligibility. - DoD 8570 IAT Level II certification (Security+ CE, CySA+, GSEC, GICSP, or equivalent). - Hands-on experience administering enterprise Citrix technologies including Citrix Virtual Apps and Desktops (CVAD), XenApp, XenDesktop, StoreFront, and Citrix Gateway. - Experience administering and troubleshooting Citrix ADC (NetScaler). - Strong understanding of networking concepts including TCP/IP, DNS, DHCP, load balancing, and SSL/TLS certificates. - Experience integrating Citrix solutions with Microsoft Active Directory environments. - Strong troubleshooting, analytical, and problem-solving skills. - Experience supporting mission-critical systems requiring high availability and operational resilience.- Ability to work independently while collaborating effectively with cross-functional technical teams.- Excellent written and verbal communication skills.Preferred Skills & Qualifications:- Bachelor's degree in information technology, Computer Science, Information Systems, Engineering, or related field; additional relevant experience may be substituted for a degree.- Minimum of 4 years of experience supporting enterprise virtualization architectures and Citrix technologies.- Experience supporting large-scale enterprise infrastructure environments.- Experience supporting the Department of Defense, federal government, or similarly regulated environments is preferred- Citrix Certified Associate – Virtualization (CCA-V), Citrix Certified Professional – Virtualization (CCP-V), or equivalent Citrix certification.#techjobs #clearance #veteranspage Minimum Requirements TCS136, T4, Band 7 EEO Statement Maximus is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics. Pay Transparency Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Annual salary is just one component of Maximus's total compensation package. Other rewards may include short- and long-term incentives as well as program-specific awards. Additionally, Maximus provides a variety of benefits to employees, including health insurance coverage, life and disability insurance, a retirement savings plan, paid holidays and paid time off. Compensation ranges may differ based on contract value but will be commensurate with job duties and relevant work experience. An applicant's salary history will not be used in determining compensation. Maximus will comply with regulatory minimum wage rates and exempt salary thresholds in all instances. AccommodationsMaximus provides reasonable accommodations to individuals requiring assistance during any phase of the employment process due to a disability, medical condition, or physical or mental impairment. If you require assistance at any stage of the employment process—including accessing job postings, completing assessments, or participating in interviews,—please contact People Operations at View email address on click.appcast.io. Minimum Salary $ 116,500.00 Maximum Salary $ 165,000.00