Mobile Device Systems Administrator Senior

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Policy Management, Software Management, System Administration Certifications: None Experience: 10 + years of related experience US Citizenship Required: Yes Job Description: Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise directly, contributing to a mission that protects our nation every day. User Facing Data Center (UDS) Program is thriving and growing, and we want talented professionals already powering the mission to help shape its future. As an incumbent supporting our customer’s enterprise IT operations, you bring essential knowledge that strengthens continuity, accelerates success, and drives innovation. By joining GDIT, you can continue the work you excel at while gaining new opportunities to grow in modernization, engineering, automation, and enterprise level operations. Your experience matters here, and we’re committed to investing in your success as you continue supporting a mission that relies on your expertise. MEANINGFUL WORK AND PERSONAL IMPACT As a Mobile Device Systems Administrator Senior supporting GDIT, you design, engineer, administer, manage and implement secure enterprise mobile device solutions that enable the global workforce to operate safely across multiple networks and security domains. You ensure mobile platforms remain compliant, accredited, up-to-date, and integrated seamlessly into the broader Enterprise IT Infrastructure. Your work directly supports mobility, security, mission responsiveness, and modernization efforts across the enterprise. KEY RESPONSIBILITIES: System Administration: Engineer, design, configure, implement and support secure enterprise Mobile Device Management (MDM) solutions for mobile phones, tablets, laptops, and other mobility devices Test, validate, and document mobile device configurations, updates, and system changes prior to deployment Troubleshoot and resolve advanced mobile device issues, including configuration, security control, certificate, and connectivity problems Support modernization efforts by evaluating and engineering emerging mobile technologies and capabilities Policy Management: Draft, deploy, and enforce security profiles, compliance policies, and configuration profiles for mobile endpoints. Integrate mobile solutions with enterprise authentication, identity, security, monitoring, and network services Ensure mobile platforms meet all cybersecurity, configuration, and compliance requirements across the DoW, and IC environments Software Management: Deploy approved apps, operating system updates, and security patches Maintain security and compliance through patch deployment, vulnerability response, and ongoing monitoring of mobile device health and posture Device Provisioning: Manage the enrollment, configuration, and setup of all mobile devices. Asset Tracking & Lifecycle: Monitor hardware inventory, track device locations, and securely decommission or wipe retired equipment. Compliance & Reporting: Monitor system status in real-time, enforce OS patching requirements, and generate compliance reports for audits. Tier-3 Support: Serve as the final escalation point for complex mobile hardware, software, and network issues Stay current with evolving mobile platforms, security requirements, and enterprise mobility best practices Support all other functions and requirements of the mobile device PITD team WHAT YOU’LL NEED TO SUCCEED: EDUCATION: Bachelor’s degree in an IT-related field, or 10+ years of relevant IT experience in lieu of a degree CERTFICATION: Meet DoW 8140 Information Assurance Workforce certification requirements (e.g. Security+ CE, etc.) CLEARANCE: Active TS/SCI clearance with a favorable polygraph MDM Platform Expertise: Hands-on experience with enterprise solutions like Microsoft Intune Operating System Proficiency: Deep understanding of iOS, iPadOS, Android, and Windows/macOS endpoint environments. Ecosystem Management: Familiarity with Apple Business Manager (ABM) Experience engineering or administering MDM solutions within enterprise or DoW/IC environments Strong background in mobile security, authentication, compliance controls, and secure device configuration Experience supporting IATT/ATO activities and working within the Risk Management Framework Proven ability to troubleshoot complex mobile devices, security, and connectivity issues across networks and platforms US citizenship required LOCATION: Customer Site 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, competitive pay and paid time off Flexibility: Full-flex work week to own your priorities at work and at home Community: Award-winning culture of innovation and a military-friendly workplace 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. #RoverGSS The likely salary range for this position is $129,813 - $138,000. 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: None Telecommuting Options: Onsite Work Location: USA MO St. Louis 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 gdit.com/tc. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world. For more information about GDIT's Privacy Policy, click here: Privacy Policy | GDIT