Senior Systems Administrator

Tetrad Digital Integrity (TDI) is a cybersecurity firm built for high-consequence environments where mission, complexity, and trust intersect. Our single focus has been delivering cyber solutions to effectively manage risk & the business of cyber for 25 years! 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. There are several positions available but will require shift work as follows: 1st shift - 3pm - 11pm 2nd shift - 11pm - 7am This position is fully onsite in Springfield, Virginia and requires an active TS/SCI. 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 QUALIFICATIONS Active TS/SCI clearance with ability to obtain a CI Polygraph Bachelor’s degree with 5+ years of relevant experience, Associate degree with 7+ years of relevant experience, or 8+ years of experience in a related field Proficiency with collaboration and workflow tools such as ServiceNow, Jira, and Confluence for incident management, project tracking, and knowledge sharing #J-18808-Ljbffr