Systems Administrator, Sr.

• Access Management & Security:

• 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.

• Monitoring & Troubleshooting:

• 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.

• Operational Support & Collaboration:

• 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.

• Independence & Reliability:

• 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.

• On-Site Availability:

• Maintain on-site availability Monday through Friday, adhering to the required work schedule.

• Proficiency with Tools:

• Demonstrated experience using collaboration tools such as ServiceNow, Jira, and Confluence for incident management, project tracking, and knowledge sharing.

Bachelor's degree plus 5 years experience,

Associates degree plus 7 years experience or a minimum of 8 years of experience, in a related field

Minimum Years of Experience:

Bachelor's degree plus 5 years experience

Associates degree plus 7 years experience, or a minimum of 8 years of experience, in a related field

Required Certifications: (if needed)

• CompTIA Security+

Preferred: (nice to have but not required)

• AWS Certified Cloud Practitioner

• AWS Certified Solutions Architect - Associate

• AWS Expertise: 5+ years of hands-on experience administering and managing systems within the AWS cloud environment.

• Linux Proficiency: 3+ years of experience as a Linux system administrator, with deep understanding of OS internals, networking, and security.

• Ticketing Systems: 5+ years of experience working with and managing tickets in enterprise ticketing systems (e.g., ServiceNow, Jira).

• Cloud Troubleshooting: Proven ability to troubleshoot and resolve issues in complex cloud environments (5+ years experience).

At Bison Group, we're more than a defense contractor - we're a people-focused small business with a strong culture built on trust, respect, and impact. We value every member of the team, foster open communication without the layers of a big corporation, and stand firmly behind our commitment to the veteran community through real, tangible action. When you join Bison Group, you're not just filling a role - you're stepping into a mission-critical environment where your work directly supports our federal partners, and national security objectives. Here, your skills are recognized, your growth is encouraged, and your contributions have a clear purpose.