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. For more information, visit www.hmhco.com Senior DevOps Engineer 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. Technical Infrastructure: · Here’s just some of what we use: · AWS (EC2, IAM, EKS etc.), Terraform Enterprise, Docker, Kubernetes, Aurora Mesos, HashiCorp Vault and Consul. · Datadog, Grafana, Apollo, Hasura, GraphQL. · Microservices architecture, Spring, Java & NodeJS, React, Koa, Express.js. · Amazon RDS, Dynamo DB, Oracle, S3, EventBridge, SQS, SNS, Kafka · GitHub, Jenkins, Concourse, Artifactory You will constantly be asking; what are the most important infrastructure problems we need to solve for today that will increase our platform and infrastructure 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. · You’ll help us build and maintain the right tooling and you’ll have ownership to design and implement the infrastructure needed · 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: · 4 to 6 years hands-on SRE/DevOps experience in an Agile environment · Substantial experience with AWS services in a production environment. · Demonstrated expertise in managing and modernizing legacy systems and infrastructure. · You’ll be able to collaborate effectively with both engineers and operations, and be comfortable recommending best practices · 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 · You have experienced resolving outages, and are able to quickly diagnose issues and been instrumental in restoring normal service levels · You have an intellectual curiosity, and an appetite to learn more · Strong hands-on experience working with Linux environments; Windows experience is a plus. · Proficiency in scripting languages (e.g., Bash, Python) for automation and process optimization. · Experience with CI/CD tools such as Jenkins, GitHub Actions, or GitLab CI. · Expertise in containerization technologies like Docker and orchestration tools such as Kubernetes. · Practical experience managing event-driven systems, messaging queues, and load balancers. · Strong understanding of monitoring, logging, and observability tools to ensure system reliability. · Proven ability to troubleshoot critical outages, identify root causes, and restore service quickly. You’ll also have significant experience and/or an interest in the following: · Managing cloud infrastructure as code · Application Container Management · Expertise with an RDBMS · Experience in how to tune, scale and how performance and reliability are achieved · Experience with management of Messaging Queues and event driven systems · Experience working with firewalls, network and application load balancing & secret management · Experience using scripting languages · A strong and informed point of view with respect to monitoring tools and how best to use them · Strong understanding of networking, firewalls, and secret management tools. · Ability to work across both cloud-based and on-premises systems, supporting hybrid environments. · An analytical mindset with a passion for identifying and solving infrastructure bottleneck The Information Technology organization is transforming to realize our mission: Become a leader in HMH’s digital transformation, and as a strategic partner, innovate and deliver highest value, competitive advantage solutions across all corporate and business functions. Our ambition is to be a digital leader through innovation and develop and deliver leading edge technology such as robotic process automation and artificial intelligence to solve some of HMH’s greatest operational business challenges. Our professionals will have business relevant skills to connect our HMH partners to technologies that propel the businesses to deliver the greatest value for HMH and our customers. We are building a team of IT professionals with an insatiable appetite to learn, a relentless focus on customer service, a technological curiosity toward future possibilities, and a creativity in solving business challenges with leading technologies. Our team will find ways to work together, create a sense of community where it’s safe to take risks and learn together, develop our careers, and all have an opportunity to work on new technologies. We will work together, learn together and have fun together. As a team, we will lead HMH’s digital transformation.