Amentum · 10 hours ago
Sr. Systems Administrator
Arlington, VA
Full-time
Onsite
Senior Level
$155K/yr - $180K/yr
5+ years expAmentum is seeking a Senior System Administrator to join their team in Springfield, VA, focusing on the Cyber, Security, & Intel space. The role involves overseeing the testing of products, managing access and security, and collaborating with various teams to support mission-critical projects.
Mechanical EngineeringSecurityTechnical Support
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Fulfill AWS S3 bucket access requests from data custodians, ensuring proper authorization and data security
Create and manage IAM roles and policies to enforce strict access control principles and maintain a secure cloud environment
Create, rotate, and manage IAM user secret & access keys in accordance with the company’s 90-day key rotation policy
Proactively monitor the health and performance of our systems and websites using tools like CloudWatch, Kibana/Elasticsearch, and Tableau, ensuring optimal functionality and identifying potential issues
Troubleshoot and resolve system issues by analyzing logs on EC2 Linux instances within AWS
Assist in troubleshooting network, DNS, and storage issues, and make recommendations for cost-saving options and growth
Work on tickets in a timely manner, adhering to Service Level Agreements (SLAs) and providing efficient support to internal stakeholders
Assist DevOps and development teams during deployments, ensuring smooth and successful releases
Create SNS topics and configure S3 bucket notifications based on customer requests, enabling timely alerts and automated workflows
Work closely with various teams across the organization, including security, development, and operations, to address AWS infrastructure requests and ensure alignment with best practices
Document processes and contribute to the creation and maintenance of Standard Operating Procedures (SOPs) to improve team efficiency and knowledge sharing
Execute tasks with minimal technical supervision, embrace reliability constraints, and proactively contribute improvements to the platform
Demonstrate commitment to teamwork, contributing to the betterment of the team and fostering a collaborative environment
Maintain on-site availability Monday through Friday, adhering to the required work schedule
Demonstrated experience using collaboration tools such as ServiceNow, Jira, and Confluence for incident management, project tracking, and knowledge sharing
Qualification
Required
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
TS/SCI clearance
Demonstrated experience using collaboration tools such as ServiceNow, Jira, and Confluence for incident management, project tracking, and knowledge sharing
Ability to fulfill AWS S3 bucket access requests from data custodians, ensuring proper authorization and data security
Ability to create and manage IAM roles and policies to enforce strict access control principles and maintain a secure cloud environment
Ability to create, rotate, and manage IAM user secret & access keys in accordance with the company's 90-day key rotation policy
Proactively monitor the health and performance of systems and websites using tools like CloudWatch, Kibana/Elasticsearch, and Tableau
Ability to troubleshoot and resolve system issues by analyzing logs on EC2 Linux instances within AWS
Ability to assist in troubleshooting network, DNS, and storage issues, and make recommendations for cost-saving options and growth
Ability to work on tickets in a timely manner, adhering to Service Level Agreements (SLAs) and providing efficient support to internal stakeholders
Ability to assist DevOps and development teams during deployments, ensuring smooth and successful releases
Ability to create SNS topics and configure S3 bucket notifications based on customer requests
Ability to work closely with various teams across the organization, including security, development, and operations, to address AWS infrastructure requests
Ability to document processes and contribute to the creation and maintenance of Standard Operating Procedures (SOPs)
Ability to execute tasks with minimal technical supervision and embrace reliability constraints
Demonstrate commitment to teamwork and contribute to the betterment of the team
Maintain on-site availability Monday through Friday, adhering to the required work schedule
Benefits
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
Company
Amentum
Amentum is a technology and engineering company for security, defense, and energy.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$321.16M2025-03-12Post Ipo Secondary· $321.16M
2024-09-27IPO
2020-01-01Private Equity
Leadership Team
Ajay Nagar
Vice President
Darren Burton
Chief People Officer
Recent News
The Motley Fool
2026-02-13
Morningstar.com
2026-02-11
2026-02-10
Company data provided by crunchbase