Amentum
Join to apply for the
Systems Administrator
role at
Amentum .
Your Impact Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a
Systems Administrator
to join our team of passionate individuals in
Warrenton, VA . In this role you will support challenging, mission‑critical projects that make a direct impact on the Nation’s security and intelligence mission.
The mission of the Lone Wolf program is to support, operate, and maintain the Distributed Continuity Integrated Network – Top Secret Enterprise Services (DCIN‑TS ES), a DoD‑provided, TS/SCI integrated voice, video, and data global communications network that facilitates collaboration among senior leaders and key staff.
The Lone Wolf Team is Mission Focused, Customer Oriented, Process Guided, and Solutions Driven. Candidates must be critical thinkers with a strong work ethic and be able to work independently or as part of a team in a dynamic environment. They should be detail‑oriented, quick to react to emerging problems, and able to rapidly adapt and learn new technologies.
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 recovery solutions
Ensure systems comply with organizational policies and security standards
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 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, identify 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 effective communication
Respond to service requests and oversee lifecycle tracking, documentation, and reporting of network systems and hardware assets; ensure compliance with disposal protocols, including secure destruction of sensitive materials
Utilize industry‑standard tools to deliver remote support for desktop and peripheral devices, efficiently resolving technical issues while minimizing downtime
Maintain accurate records of technical incidents and service requests, escalating complex or unresolved issues per 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
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
Requirements
Must have active Top‑Secret clearance with SCI or TS with the ability to acquire SCI
Minimum 7 years of relevant Information Technology experience
Proven independence in executing projects aligned with executive directives
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 integrated management tools
Solid understanding of networking principles, protocols, and configuration best practices to ensure secure, reliable, and high‑performing IT environments
Experience implementing and managing data protection strategies and disaster recovery solutions to ensure business continuity and data integrity
Track record of identifying and recommending technology solutions that enhance customer satisfaction, support mission objectives, and drive operational improvements
Must be able to work a 40‑hour work week, Monday through Friday
Available to work overtime during critical peaks and for last‑minute requests
Travel (25–40%) within the continental United States
Proficiency with MS Office applications such as Excel, Word, Outlook, SharePoint, Project, and Visio
Exceptional attention to detail; excellent verbal and written communication skills; strong critical thinking, organizational, time‑management, and problem‑solving skills
Ability to work both independently and as part of a team in a dynamic environment
Clearance Required
Must have active Top‑Secret clearance with SCI or TS with the ability to acquire SCI
Minimum Education
High School Diploma
Minimum Years of Experience
5 years of relevant experience
Required Certifications
Must possess one of the following 8140 IAT Level II or III baseline certifications
Level II certs: CCNA Security, GISCP, GSEC, Security+ CE, SSCP
Level III certs: CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH
Preferred
Bachelor’s degree in IT or related STEM field
Experience with ServiceNow
Microsoft Certified: Windows Server Hybrid Administrator Associate
CompTIA Network+ or Cisco CCNA for foundational networking knowledge
Pay Transparency Amentum’s health and welfare benefits are designed to invest in you and in the things you care about. Eligible employees and their dependents may elect medical, dental, vision, and basic life insurance. Employees can enroll in the company’s 401(k) plan and, if eligible, a deferred compensation plan and an Executive Deferral Plan. Employees also receive 17 days of vacation per year, seven paid holidays, plus floating holidays and caregiver leave. Hired applicants can purchase company stock and have the opportunity to receive a performance discretionary bonus.
The base salary range for this position is
$130K – $145K . This range reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job‑related skills, experience, and relevant education or training.
Seniority Level
Mid‑Senior level
Employment Type
Full‑time
Job Function
Information Technology
Defense and Space Manufacturing
#J-18808-Ljbffr
Systems Administrator
role at
Amentum .
Your Impact Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a
Systems Administrator
to join our team of passionate individuals in
Warrenton, VA . In this role you will support challenging, mission‑critical projects that make a direct impact on the Nation’s security and intelligence mission.
The mission of the Lone Wolf program is to support, operate, and maintain the Distributed Continuity Integrated Network – Top Secret Enterprise Services (DCIN‑TS ES), a DoD‑provided, TS/SCI integrated voice, video, and data global communications network that facilitates collaboration among senior leaders and key staff.
The Lone Wolf Team is Mission Focused, Customer Oriented, Process Guided, and Solutions Driven. Candidates must be critical thinkers with a strong work ethic and be able to work independently or as part of a team in a dynamic environment. They should be detail‑oriented, quick to react to emerging problems, and able to rapidly adapt and learn new technologies.
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 recovery solutions
Ensure systems comply with organizational policies and security standards
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 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, identify 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 effective communication
Respond to service requests and oversee lifecycle tracking, documentation, and reporting of network systems and hardware assets; ensure compliance with disposal protocols, including secure destruction of sensitive materials
Utilize industry‑standard tools to deliver remote support for desktop and peripheral devices, efficiently resolving technical issues while minimizing downtime
Maintain accurate records of technical incidents and service requests, escalating complex or unresolved issues per 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
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
Requirements
Must have active Top‑Secret clearance with SCI or TS with the ability to acquire SCI
Minimum 7 years of relevant Information Technology experience
Proven independence in executing projects aligned with executive directives
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 integrated management tools
Solid understanding of networking principles, protocols, and configuration best practices to ensure secure, reliable, and high‑performing IT environments
Experience implementing and managing data protection strategies and disaster recovery solutions to ensure business continuity and data integrity
Track record of identifying and recommending technology solutions that enhance customer satisfaction, support mission objectives, and drive operational improvements
Must be able to work a 40‑hour work week, Monday through Friday
Available to work overtime during critical peaks and for last‑minute requests
Travel (25–40%) within the continental United States
Proficiency with MS Office applications such as Excel, Word, Outlook, SharePoint, Project, and Visio
Exceptional attention to detail; excellent verbal and written communication skills; strong critical thinking, organizational, time‑management, and problem‑solving skills
Ability to work both independently and as part of a team in a dynamic environment
Clearance Required
Must have active Top‑Secret clearance with SCI or TS with the ability to acquire SCI
Minimum Education
High School Diploma
Minimum Years of Experience
5 years of relevant experience
Required Certifications
Must possess one of the following 8140 IAT Level II or III baseline certifications
Level II certs: CCNA Security, GISCP, GSEC, Security+ CE, SSCP
Level III certs: CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH
Preferred
Bachelor’s degree in IT or related STEM field
Experience with ServiceNow
Microsoft Certified: Windows Server Hybrid Administrator Associate
CompTIA Network+ or Cisco CCNA for foundational networking knowledge
Pay Transparency Amentum’s health and welfare benefits are designed to invest in you and in the things you care about. Eligible employees and their dependents may elect medical, dental, vision, and basic life insurance. Employees can enroll in the company’s 401(k) plan and, if eligible, a deferred compensation plan and an Executive Deferral Plan. Employees also receive 17 days of vacation per year, seven paid holidays, plus floating holidays and caregiver leave. Hired applicants can purchase company stock and have the opportunity to receive a performance discretionary bonus.
The base salary range for this position is
$130K – $145K . This range reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job‑related skills, experience, and relevant education or training.
Seniority Level
Mid‑Senior level
Employment Type
Full‑time
Job Function
Information Technology
Defense and Space Manufacturing
#J-18808-Ljbffr