Osman Khandaker
BUSINESS APPLICATIONS SYSTEMS ADMIN
- Role
- Business Applications Systems Administrator at Leidos
- Location
- Woodbridge, VA, US
- LinkedIn followers
- 500 followers
Experience
Business Applications Systems Administrator
Aug 2025 — Present · DC, US
Administer, support, and maintain enterprise collaboration platforms including Confluence (Data Center/Server), Jira (Data Center/Server), eRooms, and iManage for the U.S. Department of Justice (DOJ) – Antitrust Division.• Provision new users, manage access controls, and maintain group/permission structures across applications to ensure proper security and compliance.• Perform troubleshooting, ticket management, and documentation through ServiceNow, ensuring efficient issue resolution and strong communication with stakeholders.• Assist with platform upgrades, patching, and environment validations (DEV/TEST → PROD/DR), including coordination with internal teams and external vendors.• Monitor system health and performance, verify backups, and perform routine audits to remove inactive users and reduce licensing costs.• Create and update SOPs, technical documentation, and knowledge base articles to improve onboarding and operational efficiency.• Support process improvement initiatives, focusing on automation, standardization, and reducing operational bottlenecks.
Education
Kuvempu University
Bachelor's degree, Computer Science
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