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Amentum · 9 hours ago

Systems Administrator

Warrenton, VA

Full-time

Onsite

Senior Level

$120K/yr - $140K/yr

7+ years exp

Amentum is seeking a Windows Systems Administrator to support their federal program. The role involves administering and maintaining Windows server environments, managing virtualization platforms, and ensuring high-quality customer support while collaborating with network engineers to resolve connectivity issues.

Mechanical EngineeringSecurityTechnical Support

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Administer and maintain Windows server environments, including Active Directory, DNS, DHCP, and Group Policy

Manage and support virtualization platforms such as VMware and/or Hyper-V

Monitor system performance, review security logs, and apply critical updates and patches

Implement robust backup strategies and disaster recover solutions

Manage IP address allocation, subnetting, and VLAN configurations

Collaborate with network engineers to diagnose and resolve LAN, WAN, and Wi-Fi connectivity issues

Monitor critical network services like DNS and DHCP to ensure consistent system functionality

Assist in reviewing firewall rules to support secure access to Windows servers

Contribute to the planning and deployment of VPNs, remote access solutions, and network segmentation strategies

Troubleshoot shared infrastructure issues, including domain name resolution and authentication failures

Serve as a primary point of contact for customer issues by diagnosing, resolving, and tracking problems

Manage and maintain customer accounts, including establishment, updates, and repairs, while identifying opportunities to improve customer service processes

Provide responsive, multi-channel support (via email, phone, and remote access) to end-users, delivering timely troubleshooting and problem resolution

Ensure high-quality customer experience through consistent and effective communication

Respond to service requests and oversee the lifecycle tracking, documentation, and reporting of network systems and hardware assets

Ensure compliance with disposal protocols, including the secure destruction of sensitive materials

Utilize industry-standard tools to deliver remote support for desktop and peripheral devices, efficiently resolving technical issues while minimizing system downtime

Maintain accurate records of technical incidents and service requests, escalating complex or unresolved issues according to established escalation procedures and organizational policies

Administer enterprise software deployments using tools such as Microsoft Endpoint Configuration Manager (MECM), ensuring streamlined, secure, and automated application rollouts across all relevant systems

Provide training and guidance to end-users to enhance technology adoption and efficiency

Regularly communicate key updates, insights, and technical recommendations to senior leadership to support informed decision-making

Continuously research and evaluate emerging technologies, tools, and best practices to maintain current expertise and ensure the organization benefits from up-to-date knowledge in relevant IT domains

Actively participate in cross-functional and special projects, bringing technical insight and operational support to ensure successful outcomes aligned with organizational objectives

Qualification

Windows Server 2019Active DirectoryMicrosoft Endpoint Configuration ManagerVMware ESXiPowerShellGroup PolicyNetworking principlesDisaster recovery solutionsCitrix Virtual DesktopServiceNowCompTIA Network+Cisco CCNAMS Office

Required

Active Top-Secret clearance with SCI or TS with the ability to acquire SCI

High School Diploma plus 7 years of relevant experience

Must possess one of the following 8140 IAT Level II or III baseline certifications: Level II certs include – CCNA Security, GISCP, GSEC, Security+ CE, SSCP; Level III certs include – CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH

Minimum 7 years of relevant Information Technology Experience

Demonstrated experience administering enterprise software deployments using tools such as Microsoft Endpoint Configuration Manager (MECM)

Hands-on experience with enterprise technologies, including Windows Server 2019, Citrix Virtual Desktop, VMware ESXi, Active Directory, DHCP, and Service Accounts

Strong command of Group Policy for centralized management of user and computer settings across the domain

Skilled in using PowerShell to automate administrative tasks and enhance system management efficiency

Hands-on experience in VMware (vCenter, vSAN) and Nutanix Hyperconverged Infrastructure, including architecture, deployment, and the use of integrated management tools for efficient data center operations

Solid understanding of networking principles, protocols, and configuration best practices to ensure secure, reliable, and high-performing IT environments

Demonstrated experience implementing and managing data protection strategies and disaster recovery solutions to ensure business continuity and data integrity

Familiarity with MS Office applications such as Excel, Word, Outlook, SharePoint, Project and Visio