Job Descriptions

HMH are a learning
company. Over 53 million students and teachers use our learning platform every
day. And that's growing every year. You can learn more Here!

With millions of users,
our technology infrastructure must be robust, responsive and highly
scalable. That's where your deep Site Reliability/ DevOps expertise comes
in. You’ll be supporting and scaling the infrastructure needed to help millions
of little learners to dream big.

At HMH, we take direct
actions to attract, hire, and retain more diverse talent, nurture an inclusive
workplace, and create opportunities for meaningful conversations about what it
means to be antiracist. We believe that it is through learning that people find
their voices, connect with others, and create a better world.

We aim to increase the
diversity of our employee base by growing our diverse talent pipeline,
including partnerships with organizations like Resilient Coders, Girls Write
Now, Hacker X, and Editors of Color.

See here for our philosophy on diversity, equity and inclusion.

Technical
Infrastructure:

• Here’s
  just some of what we use:


• AWS
  EC2, Terraform Enterprise, Docker, Aurora, Mesos, Kubernetes, ELK (Elastic
  Search, Logstash & Kibana).


• Microservices
  Architecture, Spring, Java & NodeJS, React, Koa, Express.js.


• Amazon
  RDS, Dynamo DB, Postgres, Oracle, MySQL, Influx DB, Linux, Jenkins.
  GitHub.


• You
  can read more on our Engineering Blog -Here.

More
About your role:

This is a role with real impact.

You’ll be constantly
asking; what are the most important infrastructure problems we need to solve
for, today, that will increase our applications and infrastructures reliability
and performance.

• You
  will apply your deep technical knowledge, taking a broad look at our
  database 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’ll work with engineering teams to design optimized schemas to
  ensure data consistency and reliability


• You’ll bring automation and stability to our database platforms and
  help us deliver robust, secure, consistent, and predictable database
  services while ensuring 100 % availability of database platform


• You will manage and execute complex data platform projects


• You will work closely with DB team members to automate Database
  provisioning, including configuring Database clusters


• You will implement highly available and scalable database instances
  across multiple data centers

There’s
lot of interesting technology problems for you to solve, so you are constantly
applying latest thinking.

These include,
implementing database self-service and database platform-as-a-service
interfaces, integrating database access with vault, automating Database as code provisioning, implementing distributed database
environments, etc.

You’ll
help us plan for the future.

You’ll 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 improvement, 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, database, and performance issues.

Skills
and Experience:

This role is for a data expert in cloud computing
environments. To thrive in this role, you
have;

• Significant hands-on SRE/DevOps experience in
  an Agile environment.


• Substantial
  experience using AWS in a
  production environment and Managing cloud infrastructure as code. (We use
  Terraform).


• A strong understanding of distributed
  computing environments


• Experience in multiple
  database technologies like Oracle, PostgreSQL,
  MSSQL, MySQL, and NoSQL Databases in AWS (any or all of EC2, S3, EBS, ELB,
  RDS, Dynamo DB). You’ll know how to tune, scale and how performance and
  reliability are achieved.


• Expertise with MySQL and PostgreSQL database
  administration skills


• Ability to write and
  understand SQL, including complex joins and aggregations


• Expertise in setting up replication, backups, monitoring, Database
  tuning and SQL tuning


• Experience
  managing cloud infrastructure, including
  Database Platforms as code.


• Strong scripting experience in multiple languages: Bash, Python, Powershell, SQL, etc


• Exceptional analytical skills with regards to systems analysis,
  data manipulation, and the ability to create information from data

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

• You’re
  experienced working with Linux and
  Windows.


• Having
  considered security, you have experience working with firewalls, network and application load
  balancing & secret management..


• You’re
  used to working with CI/CD tools.

Additional
skills:

A keen eye for detail,
you’ve got excellent root
cause analysis skills.

Experience or the
ability to work as a member
of a distributed team is important (as
your team will be co-located).

Skills

Experience

• 5+ years