Sr. System Administrator
Listed on 2026-08-28
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IT/Tech
Systems Administrator, Cybersecurity, IT Support, Systems Engineer
Raytheon-Rafael Area Protection Systems (R2S) Joint Venture (JV) is seeking a proven, high performing Sr.
System Administrator to fill this key role supporting a dynamic and growing joint venture. Ours is a noble mission with a vision and purpose focused on production of Iron Dome/Sky Hunter major end items to fulfill requirements of identified worldwide customers. Here at R2S, our character-driven values of honor, collaboration, and trust with our commitment to mission form a high calling for those drawn to serving an undertaking beyond self.
Witnessing our products actively saving lives both inspires and humbles us. If you are similarly drawn to apply your skills, talents and abilities to a noble mission, you’ll likely discover that you too, belong here.
- Build, maintain, and patch systems for the manufacturing facility in Camden, Arkansas to ensure the confidentiality, integrity and availability of IT systems and applications.
- You will provide System Administration in a heterogeneous Windows & Red Hat Enterprise Linux environment.
- Advanced understanding and knowledge of Windows infrastructure services and Linux distributions to include DNS, File sharing protocols, DHCP, AD integration via LDAP, file system structures and permissions.
- Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
- Understanding of data backup uses and technologies.
- Install and configure software applications requested by end users.
- Work with Cybersecurity professionals to maintain security requirements.
- Setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space.
- Coordinating system administrative support for training development/evaluations and operations and sustainment plans
- Coordinating technical and process document reviews and resolving system administration, engineering, and integration issues
- Participating and leading technical meetings with team members and other program personnel and representing the organization in functional area matters.
- Maintain and secure Operational Technology such as Industrial Control Systems by updating firmware and adjusting system configurations.
- Set up and maintain bastion hosts and internal firewalls to secure internal systems.
- Maintain and secure devices generally considered part of the Internet of Things (IoT).
- Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.
- Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
- Full time 100% onsite position
Perform all other position related duties as assigned or requested.
Basic Qualifications- Typically, bachelor’s degree and 8+ years of direct system experience or a master’s degree and 5+ years of directly related experience.
- Organizational skills to include attention to detail, time management and ability to multitask.
- Must have an active and transferable Secret U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
- Must have Windows and Linux experience.
- 8+ years of experience with some but not limited to, the following technologies:
Active Directory, WSUS, VMware, Veeam, AWS, MySQL, Remote Desktop Gateway, Windows and Linux administration, or Mac OS experience, backup, and recovery enterprise suites.
- Excellent written and oral communication skills, including presentation skills.
- Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification
- Direct working experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF
- Experience supporting engineers in software, simulations, and hardware development.
- Knowledge in the following areas: patch…
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