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The Citrix VDI Engineer (Sr. Systems Administrator) provides seniorlevel system administration, integration, and sustainment support for missioncritical applications and systems supporting United States Space Command. This role performs installation, upgrades, daily operations, backups, troubleshooting, and lifecycle maintenance across virtualized environments, physical servers, storage systems, and specialized mission applications. Work is performed with minimal supervision. This role requires advanced technical expertise, strong communication skills, a high adherence to quality & standards, and the ability to support geographically dispersed customers and engineering teams. The VDI Engineer will be responsible for:

• Supporting VDI system administration for United States Space Command
• Assisting engineering teams during software integration, testing, PITCO, SOVT, and installation events
• Providing troubleshooting and technical support for hardware/software discrepancies identified during installation or after
• Supporting secure system configurations, cybersecurity compliance, and RMFaligned hardening activities
• Assisting with activities for United States Space Command's transition to Red Stone Arsenal
• Participating in technical & project planning meetings with NIWC Pacific, United States Space Command, OEMs, and contracting partners

• Providing on-call or surge support during mission-critical events, exercises, or transition windows as required
• Supporting facility transitions, stand-ups, and relocations, including VDI cutovers, migrations, and capacity planning for new or expanded mission locations
• Developing and maintaining technical documentation, including architecture diagrams, SOPs, operational runbooks, and recovery procedures

#LI-LH1

• Experience: 10+ years of systems administration experience in a Department of Defense (DoD) Windows enterprise environment.
• VDI: Hands-on administration of Citrix CVAD (Virtual Apps & Desktops) deployments, alongside general enterprise virtualization (e.g., VMware ESXi, Dell VxRail, Nutanix HCI) and VDI ecosystems.
• Systems Administration: Advanced management of Microsoft Group Policy Objects (GPOs), software/patch management (WSUS, MECM, SCCM), SQL Server (Always On availability groups), and profile management technologies.
• Security & Compliance: Deploying DISA STIGs, hardening Windows 10/11 endpoints, and managing Public Key Infrastructure (PKI) certificates.
• Hardware & Facilities: Assisting with desktop deployment activities as needed (installing clients & peripherals/KVMs). The physical ability to get into confined spaces when needed. Able to assist with server and cabling installs in a datacenter type environment & handle and lift up to 50 lbs. of hardware.
• Advanced Networking & Traffic Management: Strong understanding of OSI model, routing/switching, packet analysis (Wireshark, tcpdump), and experience configuring mainstream load balancers (F5, NetScaler) and Global Server Load Balancing (GSLB).
• Technical Engineering & Design: Ability to research and translate vendor white papers and industry best practices into actionable system configurations, paired with strong technical communication skills.
• Certifications: Active DoD 8570 IAT Level II (e.g., Security+ CE, CCNA Security) and a professional-level VDI administration certification.

• Education & DoD Environment Context: Bachelor's degree in a related discipline (or equivalent experience) and experience supporting high-tempo operational DoD environments (e.g., COCOMs, Joint Operations Centers, or Service Branch enterprise networks).
• Cloud & Modern SaaS: Experience administering Amazon Web Services (AWS) environments and fielding Microsoft 365 solutions.
• Specialized DoD Security & Identity Systems: Experience managing DoD Host Based Security System (HBSS), configuring Axway Tumbleweed/OCSP solutions, and managing Cross-Domain Solutions like Everfox (Forcepoint/Raytheon) Trusted Thin Client.
• Core Infrastructure & Automation: Proficiency in PowerShell automation, managing advanced DNS/DHCP configurations (Infoblox or Windows Failover Cluster), and managing Service Principal Names (SPNs).

SRC IS A CONTRACTOR FOR THE U.S. GOVERNMENT, THIS POSITION WILL REQUIRE U.S. CITIZENSHIP AS WELL AS, A U.S. GOVERNMENT SECURITY CLEARANCE AT THE TOP SECRET LEVEL WITH TOP SECRET / SCI ELIGIBILITY

• Some travel required as needed. 

Scientific Research Corporation is an advanced information technology and engineering company that provides innovative products and services to government and private industry, as well as independent institutions. At the core of our capabilities is a seasoned team of highly skilled engineers and scientists with multidisciplinary backgrounds. This team is challenged daily to provide cutting edge technology solutions to our clients.

SRC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with a company match, life insurance, vacation and sick paid time off accruals with amounts increasing based on role and years of service, 11 paid holidays, tuition reimbursement, and a work environment that encourages excellence and more. For positions requiring a security clearance, selected applicants will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Scientific Research Corporation is an equal opportunity employer that does not discriminate in employment.

All qualified applicants will receive consideration for employment without regard to their race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other protected characteristic under federal, state or local law.

Scientific Research Corporation endeavors to make www.scires.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact jobs@scires.com for assistance. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications.