Cloud System Administrator

Amentum; Arlington (TX); On-site; USD 150,000 - 180,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a Senior System Administrator to support the GEODS program in Springfield, VA. You will oversee testing from development to deployment, collaborating with Scrum Masters and developers to maintain a robust backlog and roadmap.

Responsibilities include cloud system support, troubleshooting, and securing mission-critical infrastructure. On-site work is required with flexible shift options to cover 3PM–11PM or 11AM–7PM, as noted in the posting.

Qualifications

• Bachelor’s degree with 5+ years of experience in related field.
• Associates degree with 7+ years of experience or 8+ years of related experience.
• Must have TS/SCI clearance with Polygraph.
• Experience administering Linux and Windows based systems, including patching and configuration management.
• Proficiency with AWS C2S suite and services.

Responsibilities

• Provide support for implementation, troubleshooting, and maintenance of cloud systems.
• Isolate and resolve problems involving applications, OS, hardware, and networking.
• Prepare problem reports to leads (e.g., Amazon/C2S, NGA-ESC).
• Report and communicate status to agency management and internal customers.
• Deploy OS and application software to cloud compute resources.
• Monitor system health using dashboards (Elasticsearch Kibana, AWS CloudWatch).
• Integrate new technologies and migrate corporate systems as needed.

Skills

Cloud systems administration

Linux administration

Windows administration

Network troubleshooting

Security clearance management

Education

Bachelor's degree in related field

Associate's degree in related field

Tools

AWS

OCI

Google Cloud

Oracle Cloud Infrastructure

ServiceNow

Jira

Confluence

MobaXterm

PuTTY

LDAP

Job description

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior System Administrator to join our team of passionate individuals in Springfield, 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 Geospatial Enterprise Open Data Store (GEODS) contract provides integration, design, development, and sustainment for data services in support of the Federal Government.

The Senior System Administrator is responsible for overseeing the testing of products from development to operational deployment, working with Scrum Masters and developers through the requirements process and contributing to a robust, organized Backlog and streamlined Roadmap for the GEODS program.

Work Schedule:

M – F , 3PM – 11 PM (2 REQs)

M – F, 11AM – 7PM (2 REQs)

Essential Responsibilities:

• Provide support for implementation, troubleshooting, and maintenance of cloud systems.
• Isolate and resolve problems involving the applications, operating system, hardware, communications, other infrastructure, or any combination as needed.
• Prepare problem reports to appropriate leads like Amazon/C2S, NGA-ESC, etc.
• Provide support for the escalation and communication of status to agency management and internal customers.
• Deploys operating system and application software to cloud compute resources.
• Isolate and resolve hardware and software problems involving the applications, operating system, hardware, communications infrastructure, or any combination of these.
• Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.
• Integrate new technologies into new and existing systems including the transition and migration of corporate systems.
• Monitor and report on system health using various dashboarding tools such as Elasticsearch Kibana, AWS Cloudwatch, etc.
• TS/SCI level security clearance with Polygraph
• The ability to report and work on-site daily (this role is not remote).

Security Clearance Required:

TS/SCI level security clearance with Polygraph

Minimum Education:

• Bachelor’s degree plus 5 years of experience,
• Associates degree plus 7 years of experience or a minimum of 8 years of experience, in a related field

Minimum Years of Experience:

• Bachelor’s degree plus 5 years of experience
• Associates degree plus 7 years of experience, or a minimum of 8 years of experience, in a related field

Required Certifications:

Cloud Certification, preferably AWS, OCI, Google cloud

Preferred Qualifications:

• AI if applicable to your program
• Demonstrated proficiency with the AWS C2S suite and services.
• Experience administering and managing Oracle Cloud Infrastructure
• Troubleshooting and providing AWS technical support to the NGA enterprise.
• Senior level experience managing and administering Linux/Windows based systems including patching, updates, and configuration management.
• Experience with Active Directory and managing/maintaining Windows servers
• Analyze logs and troubleshoot issues on EC2 instances by establishing SSH connections using tools such as MobaXterm or Putty Creating IAM users/roles/policies per user requests.
• Writing json IAM/S3 policies to administer access to various IAM roles and S3 objects.
• Experience using ServiceNow, Jira, Confluence, etc.
• Using LDAP to administer account creation & management on various Linux Servers.
• Provide support, improve and implement internal components and applications on top of multiple clusters.

Safety

Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality

Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance

Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

#javelin

Compensation Details:

US:$150,000 - $180,000

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:

09/15/2026 - 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 original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.