8+ VLAN Jobs in Kolkata | VLAN Job openings in Kolkata

Primary Skills – SDA, DNAC, Cisco ISE, Routing and switching and Troubleshooting NAC, 802.1x, Supplicant configuration, 

Switching Skills- IOS upgrade, SNMP, VLAN, STP, VSL

Routing Skills-OSPF, BGP, ISIS

Network Monitoring Tools- Cisco Prime (Integration, monitoring, and troubleshooting)

1. Must have hands on experience in Implementing NAC,802.1x (Wired & Wireless)
2. Strong knowledge on CAMPUS LAN Architecture and implementation
3. Hands on experience in Routing, Switching, Cisco SDA, DNAC, Cisco ISE, Assurance
4. Working experience in Cisco prime infra, Monitoring, Integration and Heat map generation
5. Should have detailed technical understanding, troubleshooting of STP protocols (STP, PVST, RSTP, MSTP)
6. Perform IOS upgrades on Switches and WLCs
7. Troubleshoot skills on Quality of Service, Multicast and HSRP, Dot1x protocols, IPSLA
8. Troubleshooting skills on Cisco VSS, VSL and stacking technologies 
9. Should have detailed technical understanding, troubleshooting and support of, Routing protocols (OSPF, BGP), MPLS in an enterprise environment.
10. Perform root cause and troubleshoot network outages
11. Should be proficient in Wireless technology, implementation, and troubleshooting
12. Deliver reports on the actions performed.
13. Hands-on experience with the networking products Like Cisco 6800, 9500,9400,9300, 3800, 2960x and 3650 switches. Juniper EX8200,EX4200,EX3300 and EX2200 switches
14. Strong ability to troubleshoot complex network issues and Identify, diagnose, and resolve different types of network problems.

Secondary Skills –

1. CCNP Certification
2. Project Management: Managing individual network projects within the scope of the Network Team
3. Excellent technical and business communication skills, both oral and written

We are seeking a skilled and experienced Senior DevOps Engineer to join our team. As a Senior DevOps Engineer, you will play a crucial role in designing, implementing, and managing our cloud infrastructure on AWS, while utilizing Docker, Kubernetes, Terraform and Argo CD for containerization and deployment. You will collaborate closely with development teams to ensure smooth software releases, scalability, and reliability of our systems. Also, you will be working on Airflow and Spark configurations for Data pipelines.

Responsibilities:

• Design, implement, and maintain scalable and secure cloud infrastructure on AWS, utilizing services such as EC2, S3, VPC, IAM, and Lambda.
• Build, deploy, and manage containerized applications using Docker and Kubernetes.
• Develop and maintain CI/CD pipelines to enable continuous integration, automated testing, and deployment using tools like Jenkins, GitLab CI/CD, or AWS CodePipeline.
• Implement and manage infrastructure as code (IaC) using tools like Terraform or CloudFormation to automate the provisioning and configuration of AWS resources.
• Monitor and troubleshoot infrastructure and application issues, ensuring high availability, performance, and scalability of the system.
• Collaborate with development teams to ensure smooth and efficient software releases, including version control, branching strategies, and release management.
• Implement and maintain robust security practices, including access control, network security, and data encryption.
• Automate manual tasks and processes using scripting languages (e.g., Python, Bash) and configuration management tools (e.g., Ansible).
• Collaborate with cross-functional teams to gather requirements, provide technical guidance, and implement best practices for infrastructure and deployment processes.
• Stay up-to-date with the latest DevOps tools, technologies, and best practices, and identify opportunities for improvement and optimization in our infrastructure and processes.

Requirements:

• Bachelor’s or master’s degree in computer science, Software Engineering, or a related field.
• Proven experience as a DevOps Engineer, with a focus on AWS, Docker, Kubernetes, and Argo CD.
• Strong experience in designing, implementing, and managing cloud infrastructure on AWS, including services like EC2, S3, VPC, IAM, and Lambda.
• Hands-on experience with containerization technologies, specifically Docker and Kubernetes.
• Proficiency in CI/CD pipeline setup and management using tools like Jenkins, GitLab CI/CD, or AWS CodePipeline.
• Solid understanding of infrastructure as code (IaC) principles and experience with tools like Terraform or CloudFormation.
• Experience in monitoring and troubleshooting complex infrastructure and application issues.
• Strong scripting and automation skills using languages such as Python, Bash, or PowerShell.
• Excellent problem-solving and analytical skills, with the ability to handle and prioritize multiple tasks in a fast-paced environment.
• Strong communication and collaboration skills, with the ability to work effectively with cross-functional teams.

Preferred Qualifications:

• AWS certifications, such as AWS Certified DevOps Engineer or AWS Certified Solutions Architect.
• Experience with infrastructure monitoring and logging tools like CloudWatch, ELK stack, or Prometheus/Grafana.
• Knowledge of serverless architectures and experience with AWS Lambda.
• Familiarity with other cloud platforms (e.g., Azure, Google Cloud Platform).
• Understanding of security best practices and experience implementing security measures in cloud infrastructure.

• Experience using AWS (that’s just common sense)
• Experience designing and building web environments on AWS, which includes working with services like EC2, ELB, RDS, and S3
• Experience building and maintaining cloud-native applications
• A solid background in Linux/Unix and Windows server system administration
• Experience using https://www.simplilearn.com/tutorials/devops-tutorial/devops-tools" target="_blank">DevOps tools in a cloud environment, such as Ansible, Artifactory, https://www.simplilearn.com/tutorials/docker-tutorial/what-is-docker-container" target="_blank">Docker, GitHub, https://www.simplilearn.com/tutorials/jenkins-tutorial/what-is-jenkins" target="_blank">Jenkins, https://www.simplilearn.com/tutorials/kubernetes-tutorial/what-is-kubernetes" target="_blank">Kubernetes, Maven, and Sonar Qube
• Experience installing and configuring different application servers such as JBoss, Tomcat, and WebLogic
• Experience using monitoring solutions like CloudWatch, ELK Stack, and Prometheus
• An understanding of writing Infrastructure-as-Code (IaC), using tools like CloudFormation or Terraform
• Knowledge of one or more of the most-used programming languages available for today’s cloud computing (i.e., SQL data, XML data, R math, Clojure math, Haskell functional, Erlang functional, Python procedural, and Go procedural languages)
• Experience in troubleshooting distributed systems
• Proficiency in script development and scripting languages
• The ability to be a team player
• The ability and skill to train other people in procedural and technical topics
• Strong communication and collaboration skills

As a special aside, an AWS engineer who works in DevOps should also have experience with:

• The theory, concepts, and real-world application of Continuous Delivery (CD), which requires familiarity with tools like AWS CodeBuild, AWS CodeDeploy, and AWS CodePipeline
• An understanding of automation

Cassandra Administrator

Experience: 4+ Years

Location: Hyderabad / Bangalore / Chennai / Mumbai / Pune / Kolkata / Gurgaon

Client: Deloitte

Job Description

We are looking for an experienced Cassandra Administrator with strong expertise in Apache Cassandra and DataStax Enterprise (DSE) environments. The ideal candidate should have hands-on experience in database administration, performance tuning, high availability, and migration activities.

Key Responsibilities

• Install, configure, upgrade, and maintain DSE Cassandra database clusters.
• Monitor database performance and optimize for scalability and availability.
• Set up and manage replication, backup, and recovery processes.
• Perform DSE Cassandra migration from RHEL to AWS Amazon Linux 2023.
• Troubleshoot and resolve database performance issues and outages.
• Collaborate with Development and DevOps teams to provide database support.
• Develop and maintain automation scripts using Shell, Python, or Ansible.
• Create and maintain technical documentation.
• Implement disaster recovery and high-availability solutions.
• Assist in designing highly scalable and fault-tolerant systems.

Required Skills

• 4+ years of experience in NoSQL database administration.
• Strong hands-on experience with Apache Cassandra / DataStax Enterprise (DSE).
• Good understanding of Cassandra architecture, consistency levels, partitioning, compaction, gossip protocol, and snitches.
• Experience with Nodetool, CQLSH, and DataStax OpsCenter.
• Proficiency in Cassandra Query Language (CQL).
• Hands-on experience in performance tuning and troubleshooting.
• Strong knowledge of Linux/Unix environments.
• Experience with Shell scripting or Python.
• Familiarity with AWS and monitoring tools such as Prometheus, Grafana, and ELK Stack.

Nice to Have

• Experience with Ansible.
• Exposure to high availability and disaster recovery solutions.

Notice Period: Immediate to 30 days preferred.

Required Skills:

• Experience in systems administration, SRE or DevOps focused role
• Experience in handling production support (on-call)
• Good understanding of the Linux operating system and networking concepts.
• Demonstrated competency with the following AWS services: ECS, EC2, EBS, EKS, S3, RDS, ELB, IAM, Lambda.
• Experience with Docker containers and containerization concepts
• Experience with managing and scaling Kubernetes clusters in a production environment
• Experience building scalable infrastructure in AWS with Terraform.
• Strong knowledge of Protocol-level such as HTTP/HTTPS, SMTP, DNS, and LDAP
• Experience monitoring production systems
• Expertise in leveraging Automation / DevOps principles, experience with operational tools, and able to apply best practices for infrastructure and software deployment (Ansible).
• HAProxy, Nginx, SSH, MySQL configuration and operation experience
• Ability to work seamlessly with software developers, QA, project managers, and business development
• Ability to produce and maintain written documentation