Kubernetes
Docker
Amazon Web Services (AWS)• Support software build and release efforts:
• Create, set up, and maintain builds
• Review build results and resolve build problems
• Create and Maintain build servers
• Plan, manage, and control product releases
• Validate, archive, and escrow product releases
• Maintain and administer configuration management tools, including source control, defect management, project management, and other systems.
• Develop scripts and programs to automate process and integrate tools.
• Resolve help desk requests from worldwide product development staff.
• Participate in team and process improvement projects.
• Interact with product development teams to plan and implement tool and build improvements.
• Perform other duties as assigned.
While the job description describes what is anticipated as the requirements of the position, the job requirements are subject to change based upon any changing needs and requirements of the business.
Required Skills
• TFS 2017 vNext Builds or AzureDevOps Builds Process
• Must to have PowerShell 3.0+ Scripting knowledge
• Exposure on Build Tools like MSbuild, NANT, XCode.
• Exposure on Creating and Maintaining vCenter/VMware vSphere 6.5
• Hands On experiences on above Win2k12 OS and basic info on MacOS
• Good to have Shell or Batch Script (optional)
Required Experience
Candidates for this position should hold the following qualifications to be considered as a suitable applicant. Please note that except where specified as “preferred,” or as a “plus,” all points listed below are considered minimum requirements.
• Bachelors Degree in a related discipline is strongly preferred
• 3 or more years experience with Software Configuration Management tools, concepts, and processes.
• Exposure to Source control systems such as TFS, GIT, or Subversion (Optional)
• Familiarity with object-oriented concepts and programming in C# and Power Shell Scripting.
• Experience working on AzureDevOps Builds or vNext Builds or Jenkins Builds
• Experience working with developers to resolve development issues related to source control systems.
Shubham Vishwakarma
Full Stack Developer - Averlon
Similar jobs
KubernetesAmazon Web Services (AWS)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
DockerKubernetesAmazon Web Services (AWS)Please Apply - https://zrec.in/GzLLD?source=CareerSite
About Us
Infra360 Solutions is a services company specializing in Cloud, DevSecOps, Security, and Observability solutions. We help technology companies adapt DevOps culture in their organization by focusing on long-term DevOps roadmap. We focus on identifying technical and cultural issues in the journey of successfully implementing the DevOps practices in the organization and work with respective teams to fix issues to increase overall productivity. We also do training sessions for the developers and make them realize the importance of DevOps. We provide these services - DevOps, DevSecOps, FinOps, Cost Optimizations, CI/CD, Observability, Cloud Security, Containerization, Cloud Migration, Site Reliability, Performance Optimizations, SIEM and SecOps, Serverless automation, Well-Architected Review, MLOps, Governance, Risk & Compliance. We do assessments of technology architecture, security, governance, compliance, and DevOps maturity model for any technology company and help them optimize their cloud cost, streamline their technology architecture, and set up processes to improve the availability and reliability of their website and applications. We set up tools for monitoring, logging, and observability. We focus on bringing the DevOps culture to the organization to improve its efficiency and delivery.
Job Description
Job Title: DevOps Engineer AWS
Department: Technology
Location: Gurgaon
Work Mode: On-site
Working Hours: 10 AM - 7 PM
Terms: Permanent
Experience: 2-4 years
Education: B.Tech/MCA/BCA
Notice Period: Immediately
Infra360.io is searching for a DevOps Engineer to lead our group of IT specialists in maintaining and improving our software infrastructure. You'll collaborate with software engineers, QA engineers, and other IT pros in deploying, automating, and managing the software infrastructure. As a DevOps engineer you will also be responsible for setting up CI/CD pipelines, monitoring programs, and cloud infrastructure.
Below is a detailed description of the roles and responsibilities, expectations for the role.
Tech Stack :
- Kubernetes: Deep understanding of Kubernetes clusters, container orchestration, and its architecture.
- Terraform: Extensive hands-on experience with Infrastructure as Code (IaC) using Terraform for managing cloud resources.
- ArgoCD: Experience in continuous deployment and using ArgoCD to maintain GitOps workflows.
- Helm: Expertise in Helm for managing Kubernetes applications.
- Cloud Platforms: Expertise in AWS, GCP or Azure will be an added advantage.
- Debugging and Troubleshooting: The DevOps Engineer must be proficient in identifying and resolving complex issues in a distributed environment, ranging from networking issues to misconfigurations in infrastructure or application components.
Key Responsibilities:
- CI/CD and configuration management
- Doing RCA of production issues and providing resolution
- Setting up failover, DR, backups, logging, monitoring, and alerting
- Containerizing different applications on the Kubernetes platform
- Capacity planning of different environment's infrastructure
- Ensuring zero outages of critical services
- Database administration of SQL and NoSQL databases
- Infrastructure as a code (IaC)
- Keeping the cost of the infrastructure to the minimum
- Setting up the right set of security measures
- CI/CD and configuration management
- Doing RCA of production issues and providing resolution
- Setting up failover, DR, backups, logging, monitoring, and alerting
- Containerizing different applications on the Kubernetes platform
- Capacity planning of different environment's infrastructure
- Ensuring zero outages of critical services
- Database administration of SQL and NoSQL databases
- Infrastructure as a code (IaC)
- Keeping the cost of the infrastructure to the minimum
- Setting up the right set of security measures
Ideal Candidate Profile:
- A graduation/post-graduation degree in Computer Science and related fields
- 2-4 years of strong DevOps experience with the Linux environment.
- Strong interest in working in our tech stack
- Excellent communication skills
- Worked with minimal supervision and love to work as a self-starter
- Hands-on experience with at least one of the scripting languages - Bash, Python, Go etc
- Experience with version control systems like Git
- Strong experience of Amazon Web Services (EC2, RDS, VPC, S3, Route53, IAM etc.)
- Strong experience with managing the Production Systems day in and day out
- Experience in finding issues in different layers of architecture in production environment and fixing them
- Knowledge of SQL and NoSQL databases, ElasticSearch, Solr etc.
- Knowledge of Networking, Firewalls, load balancers, Nginx, Apache etc.
- Experience in automation tools like Ansible/SaltStack and Jenkins
- Experience in Docker/Kubernetes platform and managing OpenStack (desirable)
- Experience with Hashicorp tools i.e. Vault, Vagrant, Terraform, Consul, VirtualBox etc. (desirable)
- Experience with managing/mentoring small team of 2-3 people (desirable)
- Experience in Monitoring tools like Prometheus/Grafana/Elastic APM.
- Experience in logging tools Like ELK/Loki.
DockerKubernetesAmazon Web Services (AWS)About us
Classplus is India's largest B2B ed-tech start-up, enabling 1 Lac+ educators and content creators to create their digital identity with their own branded apps. Starting in 2018, we have grown more than 10x in the last year, into India's fastest-growing video learning platform.
Over the years, marquee investors like Tiger Global, Surge, GSV Ventures, Blume, Falcon, Capital, RTP Global, and Chimera Ventures have supported our vision. Thanks to our awesome and dedicated team, we achieved a major milestone in March this year when we secured a “Series-D” funding.
Now as we go global, we are super excited to have new folks on board who can take the rocketship higher🚀. Do you think you have what it takes to help us achieve this? Find Out Below!
What will you do?
· Define the overall process, which includes building a team for DevOps activities and ensuring that infrastructure changes are reviewed from an architecture and security perspective
· Create standardized tooling and templates for development teams to create CI/CD pipelines
· Ensure infrastructure is created and maintained using terraform
· Work with various stakeholders to design and implement infrastructure changes to support new feature sets in various product lines.
· Maintain transparency and clear visibility of costs associated with various product verticals, environments and work with stakeholders to plan for optimization and implementation
· Spearhead continuous experimenting and innovating initiatives to optimize the infrastructure in terms of uptime, availability, latency and costs
You should apply, if you
1. Are a seasoned Veteran: Have managed infrastructure at scale running web apps, microservices, and data pipelines using tools and languages like JavaScript(NodeJS), Go, Python, Java, Erlang, Elixir, C++ or Ruby (experience in any one of them is enough)
2. Are a Mr. Perfectionist: You have a strong bias for automation and taking the time to think about the right way to solve a problem versus quick fixes or band-aids.
3. Bring your A-Game: Have hands-on experience and ability to design/implement infrastructure with GCP services like Compute, Database, Storage, Load Balancers, API Gateway, Service Mesh, Firewalls, Message Brokers, Monitoring, Logging and experience in setting up backups, patching and DR planning
4. Are up with the times: Have expertise in one or more cloud platforms (Amazon WebServices or Google Cloud Platform or Microsoft Azure), and have experience in creating and managing infrastructure completely through Terraform kind of tool
5. Have it all on your fingertips: Have experience building CI/CD pipeline using Jenkins, Docker for applications majorly running on Kubernetes. Hands-on experience in managing and troubleshooting applications running on K8s
6. Have nailed the data storage game: Good knowledge of Relational and NoSQL databases (MySQL,Mongo, BigQuery, Cassandra…)
7. Bring that extra zing: Have the ability to program/script is and strong fundamentals in Linux and Networking.
8. Know your toys: Have a good understanding of Microservices architecture, Big Data technologies and experience with highly available distributed systems, scaling data store technologies, and creating multi-tenant and self hosted environments, that’s a plus
Being Part of the Clan
At Classplus, you’re not an “employee” but a part of our “Clan”. So, you can forget about being bound by the clock as long as you’re crushing it workwise😎. Add to that some passionate people working with and around you, and what you get is the perfect work vibe you’ve been looking for!
It doesn’t matter how long your journey has been or your position in the hierarchy (we don’t do Sirs and Ma’ams); you’ll be heard, appreciated, and rewarded. One can say, we have a special place in our hearts for the Doers! ✊🏼❤️
Are you a go-getter with the chops to nail what you do? Then this is the place for you.
Jenkins
GitHubDevOps Architect
Experience: 10 - 12+ year relevant experience on DevOps
Locations : Bangalore, Chennai, Pune, Hyderabad, Jaipur.
Qualification:
• Bachelors or advanced degree in Computer science, Software engineering or equivalent is required.
• Certifications in specific areas are desired
Technical Skillset: Skills Proficiency level
- Build tools (Ant or Maven) - Expert
- CI/CD tool (Jenkins or Github CI/CD) - Expert
- Cloud DevOps (AWS CodeBuild, CodeDeploy, Code Pipeline etc) or Azure DevOps. - Expert
- Infrastructure As Code (Terraform, Helm charts etc.) - Expert
- Containerization (Docker, Docker Registry) - Expert
- Scripting (linux) - Expert
- Cluster deployment (Kubernetes) & maintenance - Expert
- Programming (Java) - Intermediate
- Application Types for DevOps (Streaming like Spark, Kafka, Big data like Hadoop etc) - Expert
- Artifactory (JFrog) - Expert
- Monitoring & Reporting (Prometheus, Grafana, PagerDuty etc.) - Expert
- Ansible, MySQL, PostgreSQL - Intermediate
• Source Control (like Git, Bitbucket, Svn, VSTS etc)
• Continuous Integration (like Jenkins, Bamboo, VSTS )
• Infrastructure Automation (like Puppet, Chef, Ansible)
• Deployment Automation & Orchestration (like Jenkins, VSTS, Octopus Deploy)
• Container Concepts (Docker)
• Orchestration (Kubernetes, Mesos, Swarm)
• Cloud (like AWS, Azure, GoogleCloud, Openstack)
Roles and Responsibilities
• DevOps architect should automate the process with proper tools.
• Developing appropriate DevOps channels throughout the organization.
• Evaluating, implementing and streamlining DevOps practices.
• Establishing a continuous build environment to accelerate software deployment and development processes.
• Engineering general and effective processes.
• Helping operation and developers teams to solve their problems.
• Supervising, Examining and Handling technical operations.
• Providing a DevOps Process and Operations.
• Capacity to handle teams with leadership attitude.
• Must possess excellent automation skills and the ability to drive initiatives to automate processes.
• Building strong cross-functional leadership skills and working together with the operations and engineering teams to make sure that systems are scalable and secure.
• Excellent knowledge of software development and software testing methodologies along with configuration management practices in Unix and Linux-based environment.
• Possess sound knowledge of cloud-based environments.
• Experience in handling automated deployment CI/CD tools.
• Must possess excellent knowledge of infrastructure automation tools (Ansible, Chef, and Puppet).
• Hand on experience in working with Amazon Web Services (AWS).
• Must have strong expertise in operating Linux/Unix environments and scripting languages like Python, Perl, and Shell.
• Ability to review deployment and delivery pipelines i.e., implement initiatives to minimize chances of failure, identify bottlenecks and troubleshoot issues.
• Previous experience in implementing continuous delivery and DevOps solutions.
• Experience in designing and building solutions to move data and process it.
• Must possess expertise in any of the coding languages depending on the nature of the job.
• Experience with containers and container orchestration tools (AKS, EKS, OpenShift, Kubernetes, etc)
• Experience with version control systems a must (GIT an advantage)
• Belief in "Infrastructure as a Code"(IaaC), including experience with open-source tools such as terraform
• Treats best practices for security as a requirement, not an afterthought
• Extensive experience with version control systems like GitLab and their use in release management, branching, merging, and integration strategies
• Experience working with Agile software development methodologies
• Proven ability to work on cross-functional Agile teams
• Mentor other engineers in best practices to improve their skills
• Creating suitable DevOps channels across the organization.
• Designing efficient practices.
• Delivering comprehensive best practices.
• Managing and reviewing technical operations.
• Ability to work independently and as part of a team.
• Exceptional communication skills, be knowledgeable about the latest industry trends, and highly innovative
Amazon Web Services (AWS)We are looking for a Senior Platform Engineer responsible for handling our GCP/AWS clouds. The
candidate will be responsible for automating the deployment of cloud infrastructure and services to
support application development and hosting (architecting, engineering, deploying, and operationally
managing the underlying logical and physical cloud computing infrastructure).
Location: Bangalore
Reporting Manager: VP, Engineering
Job Description:
● Collaborate with teams to build and deliver solutions implementing serverless,
microservice-based, IaaS, PaaS, and containerized architectures in GCP/AWS environments.
● Responsible for deploying highly complex, distributed transaction processing systems.
● Work on continuous improvement of the products through innovation and learning. Someone with
a knack for benchmarking and optimization
● Hiring, developing, and cultivating a high and reliable cloud support team
● Building and operating complex CI/CD pipelines at scale
● Work with GCP Services, Private Service Connect, Cloud Run, Cloud Functions, Pub/Sub, Cloud
Storage, Networking in general
● Collaborate with Product Management and Product Engineering teams to drive excellence in
Google Cloud products and features.
● Ensures efficient data storage and processing functions in accordance with company security
policies and best practices in cloud security.
● Ensuring scaled database setup/montioring with near zero downtime
Key Skills:
● Hands-on software development experience in Python, NodeJS, or Java
● 5+ years of Linux/Unix Administration monitoring, reliability, and security of Linux-based, online,
high-traffic services and Web/eCommerce properties
● 5+ years of production experience in large-scale cloud-based Infrastructure (GCP preferred)
● Strong experience with Log Analysis and Monitoring tools such as CloudWatch, Splunk,Dynatrace, Nagios, etc.
● Hands-on experience with AWS Cloud – EC2, S3 Buckets, RDS
● Hands-on experience with Infrastructure as a Code (e.g., cloud formation, ARM, Terraform,Ansible, Chef, Puppet) and Version control tools
● Hands-on experience with configuration management (Chef/Ansible)
● Experience in designing High Availability infrastructure and planning for Disaster Recovery solutions
Regards
Team Merito
DockerKubernetes
Python- Working on scalability, maintainability and reliability of company's products.
- Working with clients to solve their day-to-day challenges, moving manual processes to automation.
- Keeping systems reliable and gauging the effort it takes to reach there.
- Understanding Juxtapose tools and technologies to choose x over y.
- Understanding Infrastructure as a Code and applying software design principles to it.
- Automating tedious work using your favourite scripting languages.
- Taking code from the local system to production by implementing Continuous Integration and Delivery principles.
What you need to have:
- Worked with any one of the programming languages like Go, Python, Java, Ruby.
- Work experience with public cloud providers like AWS, GCP or Azure.
- Understanding of Linux systems and Containers
- Meticulous in creating and following runbooks and checklists
- Microservices experience and use of orchestration tools like Kubernetes/Nomad.
- Understanding of Computer Networking fundamentals like TCP, UDP.
- Strong bash scripting skills.
DockerKubernetesAmazon Web Services (AWS)About the company:
Tathastu, the next-generation innovation labs is Future Group’s initiative to provide a new-age retail experience - combining the physical with digital and enhancing it with data. We are creating next-generation consumer interactions by combining AI/ML, Data Science, and emerging technologies with consumer platforms.
The E-Commerce vertical under Tathastu has developed online consumer platforms for Future Group’s portfolio of retail brands -Easy day, Big Bazaar, Central, Brand factory, aLL, Clarks, Coverstory. Backed by our network of offline stores we have built a new retail platform that merges our Online & Offline retail streams. We use data to power all our decisions across our products and build internal tools to help us scale our impact with a small closely-knit team.
Our widespread store network, robust logistics, and technology capabilities have made it possible to launch a ‘2-Hour Delivery Promise’ on every product across fashion, food, FMCG, and home products for orders placed online through the Big Bazaar mobile app and portal. This makes Big Bazaar the first retailer in the country to offer instant home delivery on almost every consumer product ordered online.
Job Responsibilities:
- You’ll streamline and automate the software development and infrastructure management processes and play a crucial role in executing high-impact initiatives and continuously improving processes to increase the effectiveness of our platforms.
- You’ll translate complex use cases into discrete technical solutions in platform architecture, design and coding, functionality, usability, and optimization.
- You will drive automation in repetitive tasks, configuration management, and deliver comprehensive automated tests to debug/troubleshoot Cloud AWS-based systems and BigData applications.
- You’ll continuously discover, evaluate, and implement new technologies to maximize the development and operational efficiency of the platforms.
- You’ll determine the metrics that will define technical and operational success and constantly track such metrics to fine-tune the technology stack of the organization.
Experience: 4 to 8 Yrs
Qualification: B.Tech / MCA
Required Skills:
- Experience with Linux/UNIX systems administration and Amazon Web Services (AWS).
- Infrastructure as Code (Terraform), Kubernetes and container orchestration, Web servers (Nginx, Apache), Application Servers(Tomcat,Node.js,..), document stores and relational databases (AWS RDS-MySQL).
- Site Reliability Engineering patterns and visibility /performance/availability monitoring (Cloudwatch, Prometheus)
- Background in and happy to work hands-on with technical troubleshooting and performance tuning.
- Supportive and collaborative personality - ability to influence and drive progress with your peers
Our Technology Stack:
- Docker/Kubernetes
- Cloud (AWS)
- Python/GoLang Programming
- Microservices
- Automation Tools
Our Client is an IT infrastructure services company, focused and specialized in delivering solutions and services on Microsoft products and technologies. They are a Microsoft partner and cloud solution provider. Our Client's objective is to help small, mid-sized as well as global enterprises to transform their business by using innovation in IT, adapting to the latest technologies and using IT as an enabler for business to meet business goals and continuous growth.
With focused and experienced management and a strong team of IT Infrastructure professionals, they are adding value by making IT Infrastructure a robust, agile, secure and cost-effective service to the business. As an independent IT Infrastructure company, they provide their clients with unbiased advice on how to successfully implement and manage technology to complement their business requirements.
- Working closely with other engineers and administrators
- Learning intimate knowledge of how best to customize the services available on various cloud platforms to help us become more secure and efficient.
- Assessing client requirements and coming up with costing for the sales team
- Planning and designing client infrastructure on Microsoft Azure and AWS
- Setting up alerts and monitor the health of cloud resources
- Handling the day-to-day management of clients’ cloud-based solutions Implementing security and protecting Identities
- Diagnosing and troubleshooting technical issues relating to Microsoft Azure and AWS
- Helping customers successfully deploy and implement cloud computing solutions
- Resolving technical support tickets via telephone, chat, email and sometimes in-person
- Keeping self and team updated with new cloud services offerings from Microsoft, Amazon & Google
- Staying current with industry trends, making recommendations as needed to help the company excel
What you need to have:
- Experience in cloud-based tech
- This position requires excellent written and verbal communication skills and negotiation
- Should have working knowledge of Microsoft Azure Calculator and AWS Calculator
- A clear understanding of core Cloud Computing services
- Knowledge of various computer services on Microsoft Azure and AWS
- Knowledge of various storage services on Microsoft Azure and AWS
- Knowledge of log collecting services available with Microsoft Azure and AWS
- Experience of working with popular operating systems such as Linux & Windows
- Experience of computer networks
- Experience of computer technologies like Active Directory, network protocols & subnetting
- Experience in automating day to day tasks using PowerShell scripting
- Confidence in own abilities
- Knowledgeable within this subject area and a thought leader
- Fast assimilator of information
- Imaginative problem solver
- Structured organizer
- Strong relationship building skills
- Strong analytical & numeracy skills
- Ability to use initiative and work under pressure, prioritizing to meet deadlines
- Driven, leading on initiatives, being committed to the role, and delivering on objectives and deadlines
- Service Orientation, demonstrable commitment to customer service
Amazon Web Services (AWS)JenkinsDockerJob Brief:
We are looking for candidates that have experience in development and have performed CI/CD based projects. Should have a good hands-on Jenkins Master-Slave architecture, used AWS native services like CodeCommit, CodeBuild, CodeDeploy and CodePipeline. Should have experience in setting up cross platform CI/CD pipelines which can be across different cloud platforms or on-premise and cloud platform.
Job Location:
Pune.
Job Description:
- Hands on with AWS (Amazon Web Services) Cloud with DevOps services and CloudFormation.
- Experience interacting with customer.
- Excellent communication.
- Hands-on in creating and managing Jenkins job, Groovy scripting.
- Experience in setting up Cloud Agnostic and Cloud Native CI/CD Pipelines.
- Experience in Maven.
- Experience in scripting languages like Bash, Powershell, Python.
- Experience in automation tools like Terraform, Ansible, Chef, Puppet.
- Excellent troubleshooting skills.
- Experience in Docker and Kuberneties with creating docker files.
- Hands on with version control systems like GitHub, Gitlab, TFS, BitBucket, etc.
KaiOS is a mobile operating system for smart feature phones that stormed the scene to become the 3rd largest mobile OS globally (2nd in India ahead of iOS). We are on 100M+ devices in 100+ countries. We recently closed a Series B round with Cathay Innovation, Google and TCL.
What we are looking for:
- BE/B-Tech in Computer Science or related discipline
- 3+ years of overall commercial DevOps / infrastructure experience, cross-functional delivery-focused agile environment; previous experience as a software engineer and ability to see into and reason about the internals of an application a major plus
- Extensive experience designing, delivering and operating highly scalable resilient mission-critical backend services serving millions of users; experience operating and evolving multi-regional services a major plus
- Strong engineering skills; proficiency in programming languages
- Experience in Infrastructure-as-code tools, for example Terraform, CloudFormation
- Proven ability to execute on a technical and product roadmap
- Extensive experience with iterative development and delivery
- Extensive experience with observability for operating robust distributed systems – instrumentation, log shipping, alerting, etc.
- Extensive experience with test and deployment automation, CI / CD
- Extensive experience with infrastructure-as-code and tooling, such as Terraform
- Extensive experience with AWS, including services such as ECS, Lambda, DynamoDB, Kinesis, EMR, Redshift, Elasticsearch, RDS, CloudWatch, CloudFront, IAM, etc.
- Strong knowledge of backend and web technology; infrastructure experience with at-scale modern data technology a major plus
- Deep expertise in server-side security concerns and best practices
- Fluency with at least one programming language. We mainly use Golang, Python and JavaScript so far
- Outstanding analytical thinking, problem solving skills and attention to detail
- Excellent verbal and written communication skills
Requirements
Designation: DevOps Engineer
Location: Bangalore OR Hongkong
Experience: 4 to 7 Years
Notice period: 30 days or Less
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon