HMH

Sr DevOps Engineer

Elkhart County, IN

full_time

About This Job

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and intervention solutions, and professional learning services, HMH partners with educators and school districts to uncover solutions that unlock students’ potential and extend teachers’ capabilities.

HMH serves more than 50 million students and 4 million educators in 150 countries. HMH Technology India Pvt. Ltd. is our technology and innovation arm in India focused on developing novel products and solutions using cutting-edge technology to better serve our clients globally. HMH aims to help employees grow as people, and not just as professionals. For more information, visit www.hmhco.com

Technical Infrastructure

Here’s just some of what we use:

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AWS (EC2, IAM, EKS etc.), Terraform Enterprise, Docker, Kubernetes, Aurora, Mesos, HashiCorp Vault and Consul

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Datadog and PagerDuty

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Microservices architecture, Spring, Java & NodeJS, React, Koa, Express.js.

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Amazon RDS, Dynamo DB, Postgres, Oracle, MySQL,

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GitHub, Jenkins, Concourse CI , Jfrog Artifactory

About The Role

You will constantly be asking; what are the most important infrastructure problems we need to solve for today that will increase our applications and infrastructure’s reliability and performance. You will apply your deep technical knowledge, taking a broad look at our technology infrastructure. You’ll help us identify common and systematic issues and validate these, prioritizing which to strategically address first.

We value collaboration. So, you will partner with our SRE/DevOps team, discussing and refining your ideas and preparing proof of concepts. You will present and validate these across technology teams, figuring out the best solution and you’ll be given ownership to engineer and implement your solutions.

There’s lot of interesting technology problems for you to solve, so you are constantly applying latest thinking. These include, implementing Canary, designing a new automated pipeline solution, extension of Kubernetes capabilities, implementation of machine learning to build load testing, ensuring mutability of containerization etc.

You will get to evaluate existing technologies and design the future state without being afraid to challenge the status quo. And you’ll regularly review existing infrastructure, looking for opportunities to improve (E.g. service improvements, cost reduction, security, performance). You’ll also get to automate everything necessary, combining reliability with a pragmatic approach, doing it right, first time.

We’re continuing our journey of making our code and configuration deployments self-serve for our development teams.

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You’ll help us build and maintain the right tooling and you’ll have ownership to design and implement the infrastructure needed

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You’ll also be involved in the daily management of our AWS infrastructure. This means working with our Agile development teams, to troubleshoot server, application, and performance issues

Skills & Experience

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Relevant 5 to 8 years hands-on SRE/DevOps experience in an Agile environment

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Substantial experience with AWS services in a production environment.

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Demonstrated expertise in managing and modernizing legacy systems and infrastructure.

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You’ll be able to collaborate effectively with both engineers and operations, and be comfortable recommending best practices

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You have the expertise and skills to navigate the AWS ecosystem and will know when and where to recommend the most appropriate service, and/or usage pattern.

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You have experienced resolving outages, and are able to quickly diagnose issues and been instrumental in restoring normal service levels

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You have an intellectual curiosity, and an appetite to learn more

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Strong hands-on experience working with Linux environments; Windows experience is a plus.

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Strong Proficiency in scripting languages (e.g., Bash, Python) for automation and process optimization.

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Experience with CI/CD tools such as Jenkins, GitHub Actions, Concourse CI preferably.

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Expertise in containerization technologies like Docker and orchestration tools such as Kubernetes.

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Practical experience managing event-driven systems, messaging queues, and load balancers.

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Strong understanding of monitoring, logging, and observability tools to ensure system reliability. Good to have Datadog, Pager duty exposure.

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Proven ability to troubleshoot critical outages, identify root causes, and restore service quickly.

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Proficiency in HashiCorp technologies including Terraform IaC, Vault (Secret management) and Consul (service discovery and config management).

You’ll also have significant experience and/or an interest in the following:

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Managing cloud infrastructure as code preferably using Terraform

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Application Container Management and orchestration primarily in Kubernetes environments preferably AWS EKS

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Maintaining managed databases including AWS RDS.

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Experience in how to tune, scale and how performance and reliability are achieved.

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Good understanding of PKI infrastructure and CDN technologies including AWS Cloud front

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Expertise in AWS security including AWS IAM service.

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Experience with AWS lambda, AWS Sagemaker.

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Experience working and strong understanding with firewalls, network and application load balancing.

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A strong and informed point of view with respect to monitoring tools and how best to use them.

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Ability to work cloud-based environments spanning multiple AWS accounts management and integration.

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An analytical mindset with a passion for identifying and solving infrastructure bottlenecks.

HMH Technology Private Limited is an Equal Opportunity Employer and considers applicants for all positions without regard to race, colour, religion or belief, sex, age, national origin, citizenship status, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws. We are committed to creating a dynamic work environment that values diversity and inclusion, respect and integrity, customer focus, and innovation. For more information, visit https://careers.hmhco.com/ . Follow us on Twitter, Facebook, LinkedIn, and YouTube.

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