Sagar Kumar

Sagar Kumar Email and Phone Number

Senior Linux Security Administrator @ Team Computers
new delhi, delhi, india
Sagar Kumar's Location
Delhi, India, India
Sagar Kumar's Contact Details

Sagar Kumar personal email

About Sagar Kumar

Results-driven Senior Linux Security Administrator with extensive experience in maintaining and securing large-scale Linux infrastructures. Currently responsible for the security and administration of Linux servers, with a strong focus on vulnerability management, security hardening, and incident response. Proven ability to lead teams and implement effective security measures in dynamic environments.Skilled in leveraging OpenSCAP and the Advanced Intrusion Detection Environment for effective OS Hardening, I enhance security across different Linux flavours, specially Red Hat Linux. My expertise extends to managing system resources with LVM, configuring secure connections using SSH, and implementing file-sharing solutions with NFS and Samba.I enforce robust security policies through SELinux. Additionally, I possess extensive experience with virtualization technologies, including Vcenter and ESXi, optimizing resource allocation and system performance.  I conduct thorough Log Analysis and Filesystem Monitoring to ensure system integrity and efficiency. My capabilities also encompass Server Utilization Monitoring and Clustering solutions, aimed at enhancing system availability and reliability.With a proactive and analytical approach, I strive to maintain a secure and high-performing IT infrastructure, driving continuous improvement in security protocols and operational efficiency.

Sagar Kumar's Current Company Details
Team Computers

Team Computers

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Senior Linux Security Administrator
new delhi, delhi, india
Employees:
2462
Sagar Kumar Work Experience Details
  • Team Computers
    Senior Linux Security Administrator
    Team Computers Nov 2021 - Present
    Noida, Uttar Pradesh, India
  • Whitehatpeople
    Linux Security Consultant & Co-Founder
    Whitehatpeople Jan 2008 - Present
    whitehat‘People’ is an open consortium of national intellects delved to security being the sole intent; trained and specialized in the conception of solutions in all areas of our technical consulting services.
  • Whitehatguru
    Security Consultant
    Whitehatguru Jan 2008 - Present
    WhitehatGuru is A member driven community, spread awareness on Hacking & Security (HnS) issues. Our Mission: To research, shape and disseminate information, tools, and tactics that empower people to use technology in a way that is indeed more liberating. We support and strengthen our local communities through edification and action. We strive to learn from each other and focus our skills toward creative goals, to explore and research positive Hacktivism, and to defend national community.
  • Valley Telegence
    Senior Operations Engineer
    Valley Telegence May 2012 - Oct 2020
    Gurgaon, India
  • Amateurs' Academy
    Professional Trainer Of Linux Administration
    Amateurs' Academy Jun 2010 - Nov 2011
    Conducting training on Linux (RHCE, RHCSS) and UNIX (Solaris, HP-UX)
  • Cms Infosystems Pvt. Ltd.
    Senior Linux Trainer
    Cms Infosystems Pvt. Ltd. Jul 2010 - Jul 2011
  • Hcl Technologies
    Technical Support Officer
    Hcl Technologies Sep 2009 - Apr 2010
    Noida Area, India

Sagar Kumar Skills

Security Penetration Testing Network Security Information Security Virtualization Network Administration Vulnerability Management Vulnerability Assessment Iso 27001 Nessus Information Security Management Ceh Firewalls Red Hat Linux Networking Metasploit

Sagar Kumar Education Details

Frequently Asked Questions about Sagar Kumar

What company does Sagar Kumar work for?

Sagar Kumar works for Team Computers

What is Sagar Kumar's role at the current company?

Sagar Kumar's current role is Senior Linux Security Administrator.

What is Sagar Kumar's email address?

Sagar Kumar's email address is sa****@****ail.com

What schools did Sagar Kumar attend?

Sagar Kumar attended Maharaja Agrasen Himalayan Garhwal University, Central Board Of Secondary Education (Cbse).

What skills is Sagar Kumar known for?

Sagar Kumar has skills like Security, Penetration Testing, Network Security, Information Security, Virtualization, Network Administration, Vulnerability Management, Vulnerability Assessment, Iso 27001, Nessus, Information Security Management, Ceh.

Who are Sagar Kumar's colleagues?

Sagar Kumar's colleagues are Akash Kumar Mishra, Hareesh Kumar Reddy Sadhu, Saurabh Yadav, Altaf Ansari, Preetam Yadav, Rohan Paonam, Sripriya Peetam.

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