IT System Administrator - Scottsdale, AZ

Company: Msccn
Location: Scottsdale
Posted on: April 2, 2026

Job Description:

ATTENTION MILITARY AFFILIATED JOB SEEKERS - Our organization works with partner companies to source qualified talent for their open roles. The following position is available to Veterans, Transitioning Military, National Guard and Reserve Members, Military Spouses, Wounded Warriors, and their Caregivers . If you have the required skill set, education requirements, and experience, please click the submit button and follow the next steps. Unless specifically stated otherwise, this role is "On-Site" at the location detailed in the job post. 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 Experience Experience with various system security assessment/hardening tools - SCAP Compliance Checker, STIG Viewer, ACAS/Nessus, etc. Trained and proficient in Assured File Transfer (AFT) procedures Self-starter with the ability to operate independently with minimal supervision Install and configure servers Understanding of STGs & Vulnerability resolution What sets you apart: Outstanding communications skills Ability to work collaboratively in a cross-functional team throughout the system life cycle DoD 8570 Certification meeting IAM Level I (e.g., Security CE, CAP, GSLC) Adjudicated polygraph Cleared TS/ SCI The qualified IT System Administrator candidate shall: Perform weekly system audit reviews, media reviews, hardware/software configuration management Perform monthly scans and coordinate with team members to adjudicate results Execute security testing and evaluation to ensure correct implementation of security controls Support the assessment and mitigation of vulnerabilities throughout a systems life cycle Perform incident response and cleanup actions when necessary per company or customer directions Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and procedures outlined in the System Security Plan (SSP) Target salary range: USD $111,881.00/Yr. - USD $124,118.00/Yr. 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. Additional Qualifications/Responsibilities 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.

Keywords: Msccn, Avondale , IT System Administrator - Scottsdale, AZ, IT / Software / Systems , Scottsdale, Arizona