Senior Server Administrator

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.

The main function of a Senior Server Administrator is to be responsible for system administration of core systems, as well as monitoring and repair of high-performance computing systems. Ensure consistent and reliable operation, including enterprise servers and network infrastructure. This position requires US Citizenship and is remote within the US.

Principal Accountabilities:

• Server Administration: Build, configure, and support Windows servers.

• Virtualization: Manage and support virtualization platforms - VMware.

• Active Directory Management: Maintain and troubleshoot Active Directory environments.

• Implement and maintain security controls. Vulnerability remediation of servers, storage, hypervisor environments, and infrastructure applications and systems.

• Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, network disruption awareness, and predefined key processes.

• Work closely with developers, other system administrators, services desk, and business analysts to support business critical applications.

• File share support and management.

• Document and maintain processes, procedures, and system diagrams.

Knowledge, Skills, & Abilities:

• Excellent knowledge of SAN solutions / primarily NetApp / configure and maintain.

• Excellent knowledge of hosting platforms / Cisco USC.

• Expertise in Windows Server installation, configuration, administration, maintenance, and optimization.

• Experience in migrations for data and infrastructure.

• Good understanding of networking concepts (e.g., TCP/IP, DNS, VLANs).

• Good understanding of Activity directory on a GPO level.

• Good understanding of Clusters / HA / Replication / Distributed Switches / vCenter upgrades & host patching.

• Proficient in completing daily assignments and project activities with great attention to detail and a high degree of accuracy.

• Excellent analytical and critical thinking skills, good judgment, and an ability to act decisively.

• Ability to travel as needed for work or continuing education - 1-2 times a year average.

Minimum Requirements:

• Bachelor’s degree in IT, Computer Information Systems, or related field.

• 5 years of experience in server/ systems administration in a production environment.

• Understanding and experience of cloud-based computing (Azure, etc.) is a plus.

• Experience with NetApp, VMware, and Commvault a plus.

• US Citizenship is required.

       

Compensation Details:

$105k-$132k

       

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

 

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

 

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

       

Original Posting:

04/24/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the orig