IT Systems Administrator

Basic Qualifications Bachelor’s degree in a related specialized area or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.CLEARANCE REQUIREMENTS:Department of Defense TS/SCI security clearance with Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position At General Dynamics Mission Systems, we create the technologies, products and services that help our nation’s heroes keep our nation safe. The work we do is so advanced, we are continuously moving the boundaries of what’s possible. Here you’ll work with the best and your talent will be front and center on projects that impact the world. Are you up to the challenge? We apply advanced technologies such as Artificial Intelligence, Blockchain, AR/VR, Cloud Native and Quantum Physics to solve our customers’ missions in cyber, RF, undersea, interstellar and everything in between.General Dynamics Mission Systems currently has a career opportunity for an IT System Administrator for our Restricted Ground Systems. As a member of our Information Assurance Security team, you’ll support the Information System (IS) Risk Management Framework activities from categorizing systems and preparing IS packages, to reviewing vulnerability scans, executing Change Control processes, and supporting upgrades of systems during program execution. The IT System Admin maintains the day-to-day security posture and continuous monitoring of Information Systems for DoD security programs, and includes security event & information management review and analysis, end user account audits, etc. Are you ready to make a difference?What you bring to the table:RHEL (Red Hat Enterprise Linux) & Windows Administration ExperienceExperience with various system security assessment/hardening tools - SCAP Compliance Checker, STIG Viewer, ACAS/Nessus, etc.Trained and proficient in Assured File Transfer (AFT) proceduresSelf-starter with the ability to operate independently with minimal supervisionInstall and configure serversUnderstanding of STGs & Vulnerability resolutionWhat sets you apart:Outstanding communications skillsAbility to work collaboratively in a cross-functional team throughout the system life cycleDoD 8570 Certification meeting IAM Level I (e.g., Security + CE, CAP, GSLC)Adjudicated polygraphCleared TS/ SCIIdentifies opportunities to apply AI for continuous improvement and innovationThe qualified IT System Administrator candidate shall:Perform weekly system audit reviews, media reviews, hardware/software configuration managementPerform monthly scans and coordinate with team members to adjudicate resultsExecute security testing and evaluation to ensure correct implementation of security controlsSupport the assessment and mitigation of vulnerabilities throughout a systems life cyclePerform incident response and cleanup actions when necessary per company or customer directionsEnsure systems are operated, maintained, and disposed of in accordance with internal security policies and procedures outlined in the System Security Plan (SSP)#CJ1 Salary Note This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled. Combined Salary Range USD $111,881.00 - USD $124,118.00 /Yr. Company Overview General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!Equal Opportunity Employer / Individuals with Disabilities / Protected VeteransJob SummaryID: 2026-73458Job Location: US-AZ-ScottsdaleRequired Clearance: TS/SCI with PolygraphCategory: Information TechnologyEmployment Type: Full TimeHiring Company: General Dynamics Mission Systems, Inc.