Sr. Systems Administrator

Join GDIT's Enterprise Mission Information Technology Services (EMITS) team and play a vital role in supporting the U.S. Army Europe and Africa’s (USAREUR-AF) mission in Wiesbaden, Germany.

As a Senior Systems Administrator within the Security Assistance Group – Ukraine (SAG-U), you will be at the forefront of managing a diverse and critical IT infrastructure. Your expertise will span Linux and Windows platforms, including the configuration and administration of on-premises and cloud-based directory and device management solutions to ensure seamless, secure operations. This role demands strong problem-solving skills for Tier 2/3 support and expert administration of enterprise services like Active Directory, Exchange, and Windows Server, all crucial for maintaining high availability and reliability for our mission partners.

HOW A SYSTEMS ADMINISTRATOR SENIOR WILL MAKE AN IMPACT

• Administer and optimize a hybrid environment of Windows (Server 2019/2022) and Linux systems, identifying and resolving issues to guarantee peak performance, robust stability, and ironclad security.

• Strategically deploy, manage, and enhance VMware ESXi/vSphere environments, ensuring the continuous optimization of virtual machines and services critical to mission success.

• Oversee and advance Cisco hyperconverged datacenter infrastructure, contributing to resilient physical and virtual network management for a high-efficiency data environment.

• Implement and manage Microsoft Azure cloud services and infrastructure, driving operational enhancements and fostering innovation through cloud technology.

• Develop and maintain clear, authoritative documentation (SOPs, TTPs), empowering team consistency and effectiveness.

• Serve as a key escalation point (Tier 2/3) for complex technical challenges across Linux, virtual, Windows, and cloud platforms, minimizing downtime and maximizing user productivity through diligent investigation and resolution.

• Administer Active Directory OUs across on-premises and cloud landscapes, safeguarding critical identity functions and ensuring compliant, efficient directory operations.

• Collaborate with network and security teams to architect and implement robust security measures, proactively responding to threats and fortifying infrastructure using your deep understanding of networking fundamentals.

• Guarantee business continuity by designing and implementing rigorous system backup and data archival strategies across all platforms, ensuring rapid data recoverability.

• Enforce DoD STIG compliance across all systems, services, and applications, establishing and maintaining a robust security posture to meet stringent regulatory demands.

WHAT YOU’LL NEED TO SUCCEED:

• Education: Bachelor’s degree or equivalent military/government systems administration experience preferred.

• Certification:Compliant with IAT Level II certification as per DOD 8570 requirements.

• Required Experience: Minimum 4 years of dedicated experience as a Systems Administrator, with substantial Tier III support background demonstrating advanced problem-solving capabilities.

• Required Technical Skills: Knowledge and hands-on experience with VMware, Windows Server 2019, and Cisco Hyperflex Services; Dual-platform expertise in both Windows and Linux administration; Demonstrated ability to work autonomously and collaboratively in a fast-paced team setting;

• Security Clearance Level: A DoD Top Secret security clearance.

• Required Skills and Abilities: Occasionally required physical activity for equipment troubleshooting.

• Preferred Skills: Advanced industry certifications such as AWS Certified Cloud Practitioner, Microsoft Certified: Azure Fundamentals, VMware Certified Technical Associate - Data Center Virtualization; Robust understanding of networking principles and fundamentals, enabling effective collaboration on complex network and security challenges.

• Location: Wiesbaden Germany

• US Citizenship Required

• German TESA eligibility.

GDIT IS YOUR PLACE:

• 401K with company match

• Comprehensive health and wellness packages

• Internal mobility team dedicated to helping you own your career

• Professional growth opportunities including paid education and certifications

• Cutting-edge technology you can learn from

• Rest and recharge with paid vacation and holidays