Senior Linux System Administrator

1 month ago

Any LocationBangalore, India Swift Strategic Staff Solutions INC Full time

Job Description :


We are seeking a highly skilled and experienced Senior Linux System Administrator to join our team and play a vital role in managing and optimizing our Linux infrastructure on the AWS platform.

Minimum Requirements :

- 9+ years of experience in Linux system administration with a strong focus on Red Hat Enterprise Linux (RHEL).

- Proven experience in administering and maintaining RHEL instances on the AWS platform (EC2).

- In-depth knowledge of monitoring and troubleshooting Linux systems and applications.

- Hands-on experience in performance monitoring tools and techniques for scaling cloud environments.

- Experience with Linux system patching procedures, including pre-update snapshots and vulnerability management.

- Strong understanding of security best practices in a cloud environment, including cookie security, web browser security, server-side encryption, data encryption at rest, and key management.

- Experience with Red Hat Image management for containerized deployments.

- Familiarity with cloud infrastructure, specifically Amazon Web Services (AWS) services like :

1. EC2 (Elastic Compute Cloud)

2. S3 (Simple Storage Service)

3. RDS (Relational Database Service)

4. ELB (Elastic Load Balancing)

5. SSM (Systems Management Service)

6. EBS (Elastic Block Store)

- Experience with installing, configuring, and maintaining common Linux services :

1. Bind (DNS server)

2. Apache (web server)

3. Nginx (web server)

4. MySQL (database server)

- Proficiency with automation and configuration management tools such as Ansible, CloudFormation, Puppet, or Chef.

- Strong scripting skills in Bash or Python for automating administrative tasks.

- Solid understanding of networking concepts, including VPCs (Virtual Private Clouds), subnets, and routing.

- Familiarity with network troubleshooting tools like iptables, Linux IPVS, and HAP Roxy.

- Experience in capturing, interpreting, and analyzing network traffic.

- Working knowledge of network protocols like DNS, HTTP, LDAP, SMTP, and SNMP.

- Ability to troubleshoot Apache issues like performance bottlenecks, restart failures, and request queuing.

- Experience with multi-platform volume management solutions like LVM (Logical Volume Manager), ZFS, NAS (Network Attached Storage), and VERITAS Volume Manager.

- Experience implementing security controls in an AWS cloud environment.

- Familiarity with wired and wireless networking hardware and architectures, including VLAN (Virtual LAN) setup, VPN, routing, IPv4, and IPv6.

- Experience managing user accounts for a large organization.

Desired Skills :

- Linux certifications (RHCT, RHCE, LPIC) are a plus.

- Experience with container orchestration platforms like Docker and Kubernetes.

- Experience with Infrastructure as Code (IaC) methodologies.

Responsibilities :

- Manage and maintain Red Hat Enterprise Linux instances on the AWS platform.

- Perform system monitoring, troubleshooting, and performance optimization.

- Implement and maintain Linux system patches and updates, ensuring proper security measures.

- Configure and manage security controls to ensure a secure cloud environment.

- Manage Red Hat Image repositories and container deployments.

- Automate routine administrative tasks using scripting and configuration management tools.

- Provide support for various Linux services like Bind, Apache, Nginx, and MySQL.

- Troubleshoot and resolve networking issues.

- Manage and maintain user accounts and access controls.

- Stay up-to-date with the latest advancements in Linux administration and AWS services.

(ref:hirist.tech)

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