Senior / Principal Windows System Administrator (...

SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions. Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. Applicants that do not meet this requirement will not be considered. SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team in Princeton, NJ. Successful applicants will bring deep experience with Active Directory design, configuration, & maintenance, Windows Server and desktop operating system support, familiarity with hardware procurement, a readiness to work hands-on keyboard to solve challenging problems, a strong collaborative spirit, experience successfully mentoring junior team members, superior problem solving skills, a passion for security and data protection, and a clear focus on supporting customer needs. Responsibilities Provide Windows systems administration in multiple heterogeneous Microsoft Windows and Red Hat Enterprise Linux environments Install, configure, and manage Windows operating systems, applications, and related software, including Microsoft Exchange, Office, SharePoint and SCCM. Implement and maintain Group Policy settings and other configuration tools. Implement and maintain security policies and procedures to protect Windows systems and data. Monitor system performance and identify areas for optimization. Troubleshoot and resolve technical issues related to Windows systems and applications. Conduct root cause analysis to identify and resolve underlying problems. Develop and document technical configurations, processes and procedures Collaborating with other teams Other duties as assigned Requirements 5+ years professional experience performing duties of a Windows system administrator Strong knowledge of Microsoft Windows desktop and server environments including experience managing and troubleshooting Windows 11 and Active Directory A bachelor’s degree in computer science, engineering, information technology, a related field, or equivalent experience An active and transferable Top Secret/SCI clearance with polygraph Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) Experience with system hardening and STIGs Detail oriented Good verbal and written communication skills Candidates meeting the following criteria will be preferred: Experience using VMWare vCenter, vSphere, and ESXi or other virtual computing methods Storage Area Network (SAN), Network Attached Storage (NAS) systems Understanding of basic networking, including subnets, routing, and VLANs; Cisco experience and/or certification Experience with Linux system administration Creation and deployment of Windows system images in an enterprise environment Experience with U.S. government certification & accreditation processes Benefits SciTec offers a highly competitive salary and benefits package, including: 4% Safe Harbor 401(k) match 100% company paid HSA Medical insurance, with a choice of 2 buy-up options 80% company paid Dental insurance 100% company paid Vision insurance 100% company paid Life insurance 100% company paid Long-term Disability insurance 100% company paid Hospital Indemnity insurance Voluntary Accident and Critical Illness insurance Short-term Disability insurance Annual Profit-Sharing Plan Discretionary Performance Bonus Paid Parental Leave Generous Paid Time Off, including Holiday, Vacation, and Sick Pay Flexible Work Hours The pay range for this position is $125,000 - $160,000 / year. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation. SciTec is proud to be an Equal Opportunity employer. VET/Disabled.

Created: 2026-03-10