{"entity":"person","person":{"name":"Chiranjib Majumder","role":null,"level":null,"country":null,"summary":"Senior System Administrator with 19+ years of hands-on experience managing enterprise Linux and Windows environments, network services, and virtualization platforms. Runs and maintains web and database stacks using Apache, Nginx, PHP, and MariaDB/MySQL, and automates operations with Bash. Also has AWS basics exposure (EC2, S3, IAM, CloudWatch) and has built supporting containerized and backup automation projects.","skills":[{"name":"Bash","group":"Languages","level":"Senior","since":2006},{"name":"PHP","group":"Languages","level":"Middle","since":2006},{"name":"Python","group":"Languages","level":"Not selected","since":null},{"name":"Amazon S3","group":"DevOps","level":"Middle","since":2006},{"name":"Amazon EC2","group":"DevOps","level":"Middle","since":2006},{"name":"Amazon CloudWatch","group":"DevOps","level":"Middle","since":2009},{"name":"Windows","group":"DevOps","level":"Middle","since":2006},{"name":"Ubuntu","group":"DevOps","level":"Staff","since":2006},{"name":"Nginx","group":"DevOps","level":"Senior","since":2006},{"name":"Apache HTTP Server","group":"DevOps","level":"Senior","since":2006},{"name":"TCP/IP","group":"DevOps","level":"Middle","since":2006},{"name":"Proxmox VE","group":"DevOps","level":"Middle","since":2008},{"name":"DHCP","group":"DevOps","level":"Middle","since":2006},{"name":"DNS","group":"DevOps","level":"Middle","since":2006},{"name":"VPN","group":"DevOps","level":"Middle","since":2006},{"name":"IAM","group":"DevOps","level":"Middle","since":2011},{"name":"VLAN","group":"DevOps","level":"Middle","since":2006},{"name":"Wi-Fi","group":"DevOps","level":"Middle","since":2006},{"name":"VirtualBox","group":"DevOps","level":"Middle","since":2007},{"name":"CentOS Stream","group":"DevOps","level":"Middle","since":2019},{"name":"AWS","group":"DevOps","level":"Not selected","since":null},{"name":"Azure","group":"DevOps","level":"Not selected","since":null},{"name":"GitHub","group":"DevOps","level":"Not selected","since":null},{"name":"Docker","group":"DevOps","level":"Not selected","since":null},{"name":"Git","group":"DevOps","level":"Not selected","since":null},{"name":"Linux","group":"DevOps","level":"Not selected","since":null},{"name":"VMWare","group":"DevOps","level":"Not selected","since":null},{"name":"Apache HTTP Server","group":"DevOps","level":"Not selected","since":null},{"name":"KVM","group":"DevOps","level":"Not selected","since":null},{"name":"Debian","group":"DevOps","level":"Not selected","since":null},{"name":"Fedora","group":"DevOps","level":"Not selected","since":null},{"name":"MySQL","group":"Databases","level":"Middle","since":2006},{"name":"MariaDB","group":"Databases","level":"Senior","since":2009},{"name":"Active Directory","group":"Cybersecurity","level":"Middle","since":2006},{"name":"Power BI","group":"Analytics","level":"Not selected","since":null}],"photo":null,"url":"https://alion.io/user/chiranjib-majumder"},"contact":"Through Alion only: the person decides whether to answer. Email addresses and phone numbers are never served.","offers":[{"id":"person.contact","title":"Contact a person through Alion","status":"pilot","price":null,"unit":"per message","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"person.contact\", \"for\": \"user/chiranjib-majumder\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=person.contact&for=user%2Fchiranjib-majumder"},{"id":"people.search","title":"Find people by skills, country and level","status":"pilot","price":null,"unit":"per person in a list","note":"people with a similar profile","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"people.search\", \"for\": \"user/chiranjib-majumder\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=people.search&for=user%2Fchiranjib-majumder"}],"html_url":"https://alion.io/user/chiranjib-majumder","json_url":"https://alion.io/user/chiranjib-majumder.json","meta":{"generated_at":"2026-10-09T00:52:46Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1290,"day_limit":5000,"remaining_today":3710,"minute_limit":60,"resets_at":"2026-10-10T00:00:00Z"}}}