Sr Citrix Engineer

Scientific Research Corporation; Huntsville (AL); On-site; USD 140,000 - 190,000; Full time

Job summary

Scientific Research Corporation is seeking a senior Citrix VDI Engineer to provide expert system administration, integration, and sustainment for mission‑critical DoD applications. You will manage CVAD deployments, virtualization platforms, and secure configurations in a multi‑location environment, coordinating with engineering teams and government customers.

The role requires extensive hands‑on experience, DoD security standards, and strong communication skills to support RMF compliance,

Qualifications

• 10+ years of DoD Windows enterprise systems administration.
• Hands-on Citrix CVAD deployments with enterprise virtualization.
• Advanced GPO, patching (WSUS/MECM/SCCM), and SQL Server Always On.
• Deploying DISA STIGs, Windows hardening, PKI management.
• Hardware deployment and ability to lift up to 50 lbs in datacenter.
• Networking: OSI, routing, packet analysis; load balancers and GSLB.
• Translate vendor docs into secure configurations; strong communication.
• Active DoD 8570 IAT Level II and VDI administration certification.

Responsibilities

• VDI system administration for United States Space Command.
• Assist engineering during software integration, testing, and installation events.
• Troubleshoot hardware/software discrepancies identified during installation.
• Support secure configurations, cybersecurity compliance, and RMF hardening.
• Assist with transition activities to Red Stone Arsenal.
• Participate in technical and project planning with NIWC Pacific, US Space Command, OEMs, and partners.
• Provide on-call or surge support during mission-critical events.
• Support facility transitions, cutovers, and capacity planning for new locations.
• Develop and maintain architecture diagrams, SOPs, runbooks, and recovery procedures.

Skills

VDI administration

Windows server admin

Group Policy (GPO)

Patch management (WSUS/MECM/SCCM)

SQL Server Always On

PKI / certificates

Networking basics

Scripting (PowerShell)

Technical documentation

Load balancers / GSLB

Education

Bachelor's degree or equivalent experience

Tools

Citrix CVAD

VMware ESXi

Dell VxRail

Nutanix

Infoblox DNS/DHCP

Wireshark/tcpdump

Job description

Description

The Citrix VDI Engineer (Sr. Systems Administrator) provides senior‑level system administration, integration, and sustainment support for mission‑critical 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 RMF‑aligned 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

Requirements

• 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.

Desired Skills

• 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).

Clearance Information

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

Travel Requirements

• Some travel required as needed.

About Us

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.

EEO

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 [e-mail] for assistance. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications.