Hiring: Senior Computer Systems Engineer Company: General Dynamics Information Technology Location: Sierra Vista, AZ Job Posted Time: 2026-09-10 11:13:14 Employment Type: On-site Target Skills & Keywords : AI, Configuration Management, Integration Testing, Linux, Red Hat, Security Clearance, Systems Integration About the job Experience: •5 + years of related experience •Advance how our customers operate while you advance your career. Join GDIT as a Systems Engineer Senior and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. •MEANINGFUL WORK AND PERSONAL IMPACT •Lead/Manage/Support full lifecycle Tier III engineering activities within the ITE‑F, including patch testing, integration validation, baseline maintenance, STIG and vulnerability compliance checks, and documenting test results to support enterprise readiness. •Partner cross-functionally with NETCOM capability teams, system owners, cybersecurity specialists, configuration management personnel, and other engineering teams to execute functional testing, resolve technical issues, and ensure seamless enterprise integration. Required Skills: •DISA STIG, Red Hat OS Administration, VMware Virtualization, Windows Management, Writing Technical Documents Qualifications: •Demonstrated capacity to support testing deadlines driven by routine and critical patch cycles •Demonstrated capacity to work in classified and unclassified ITE_F environments •Strong Windows and Linux system administration, STIG/SRG hardening, ACAS/Nessus scanning, SCAP compliance •Operational familiarity with DoDIN-A, NETCOM enterprise capabilities, and ITE-F processes, Engineering documentation (ETPs, test plans, test reports, designs) •Knowledge of ITIL processes including Change, Configuration, and Release Management •Demonstrated capacity to conduct system integration testing and analyze new technology sets, Experience using enterprise lab environments for validation and assessment. •At GDIT, the mission is our purpose, and our people are at the center of everything we do. •Growth: AI-powered career tool that identifies career steps and learning opportunities •Support: An internal mobility team focused on helping you achieve your career goals •Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Compensation: •$88,130 - $115,000 / year •Competitive benefits and rewards package •Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!