Senior Computer Systems Engineer

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: DISA STIG, Red Hat OS Administration, VMware Virtualization, Windows Management, Writing Technical Documents Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes Job Description: SYSTEMS ENGINEER SENIOR 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 As a Systems Engineer Senior, the work you’ll do at GDIT will be impactful to the mission of NETCOM and the Army’s DoDIN‑A Enterprise . You will play a crucial role in ensuring enterprise capabilities, updates, patches, and configurations are validated, tested, and integrated within the Integrated Test Environment – Federated Lab (ITE‑F) before fielding across Army networks. ● 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. ● Collaborate 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. ● Drive innovation, technical problem-solving, and continuous improvement for enterprise capabilities by identifying system deficiencies, analyzing new technologies, and supporting configuration, change, and release management processes. ● Utilize virtualized environments, STIG/SCAP tools, ACAS/Nessus, Windows/Linux server technologies, VMware platforms, scripting, ITIL-based operational processes, and enterprise testing frameworks to perform engineering validation. ● Tier III engineering and troubleshooting across enterprise IT systems WHAT YOU’LL NEED TO SUCCEED Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer Senior must have: ● Education: Bachelor of Arts/Bachelor of Science or additional years of experience ● Experience: 5+ years of related experience ● Technical skills: IASAE II Certification (CISSP, SecurityX (formerly CASP+), CSSLP ● Security clearance level: Top Secret/SCI ● Role requirements: Ability to support testing deadlines driven by routine and critical patch cycles Experience coordinating with multiple capability areas under NETCOM Ability to work in classified and unclassified ITE_F environments Experience with virtualized environments (VMware, Hyper-V) Strong Windows and Linux system administration, STIG/SRG hardening, ACAS/Nessus scanning, SCAP compliance 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 Ability to conduct system integration testing and analyze new technology sets, Experience using enterprise lab environments for validation and assessment. ● Location is Onsite. GDIT IS YOUR PLACE 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 ● Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. #GDITArmy #GDITArizona #GDITpriority The likely salary range for this position is $88,130 - $115,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: Less than 10% T elecommuting Options: Onsite Work Location: USA AZ Fort Huachuca Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. Our Identity Verification Process: As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work: We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development. Join our Talent Community to stay up to date on our career opportunities and events at . Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans