Senior Site Reliability Engineer

Want to combine software and systems engineering to run distributed, fault-tolerant systems? Learn more about our Site Reliability Engineer role.

Senior Site Reliability Engineer

$ 100k/Year  ($ 50/Hour for 40 hours of productive work per week)  Remote Position   Long-term

Interested in utilizing your years of software and system engineering expertise to integrate, build & scale cloud-based SaaS systems for a new acquisition per week?

Want to learn how to ‘lift & shift’ acquired company infrastructures into a modern Kubernetes/Docker/VMware cluster? Are you inspired to drive great uptime for enterprise software products across more than 100 products?

If so - this role is for you...

“The best achievement was improving my decision-making skills. I am an SEM, so I get the benefits of learning new technologies and at the same time being in touch with the executives - what better models can you have?.”
-Madalina S, Software Engineering Manager
Crossover recruits and builds world class high performing teams to power the fastest growing portfolio of software products in the world. No other company provides the training and the opportunities to test yourself on the depth and diversity of projects that we do. All roles are location independent so you are guaranteed to work with the best in the world. Challenge yourself. Be part of the change.

As a Senior Site Reliability Engineer, you will use your software and system engineering expertise to build, scale & improve our cloud-based SaaS systems and products.

You will be working with the world’s top 1% talent on cutting edge cloud platforms and technologies. The role requires balancing availability, customer experience and the need to enhance the systems continually.

There’s a breadth of opportunities for SREs in our organization. Starting with the due-diligence & import teams that handle our constant stream of acquisitions or going through our infrastructure teams that manage and continuously improve our Kubernetes, Docker & VMware clusters or going all the way to our SaaS operations which will ensure great up-time and customer experience from our myriad of more than 100 products.


To apply for a role at Crossover, you will go through a series of online tests, usually during the online hiring event. If you pass these tests, you will be offered the opportunity to participate in our four-full-time week Crossover University “Bootcamp” training program. This is elite training taught by our top instructors.

Here’s what our graduates have to say about Crossover University:

"I am very pleased to say that because of Crossover's unorthodox and unique way of transferring the knowledge through (Paired sessions, coaching sessions with CSMs), I have never been more confident in my technical skills and abilities for my role."
-Mikael F

"The CTO Bootcamp was another thing that motivated me. I wanted to see how CTOs across the globe work and learn from them."
-Javed Z

"I've been with the company since Aug (been part of the second Bootcamp) and since then I've learned SQL, databases, servers, tapes, other content management systems etc- and that's only been in 3 months. Usually when I'm in a new company, I learned a lot about their platform, their tools etc during the length of my time with them but never at this speed!."
-Monnaliza T

It is offered as soon as you want to get started. You will be compensated for 40 hrs/ week at the hourly rate for the role you are applying to. Crossover University is an excellent opportunity to learn about our culture, expectations, tools, processes, and procedures. It's an intensive and demanding program, but every graduate is guaranteed a job at the end of it.


A hiring event is a scheduled online event where all our relevant testing relating to a role is conducted on the same day. Submissions received during the event are graded the following week, and successful candidates notified if they have progressed to the next round which is an online interview with a Hiring Manager.


Ensure that our multi-tenant infrastructure running more than 100 different products yields four nines and more of availability

Use IaaC to automate and enable scaling of environments and systems

Eliminate complexity from both architecture and processes

Optimize our public cloud computing costs

Manage the uptime error budget of your product

Be proactive and work closely with the engineering teams to enhance our design and improve our platforms offering

Perform capacity planning and pre-launch reviews

Employ modern instrumentation to enable production applications and infrastructure observability and then act upon the results

Practice sustainable incident response and blameless postmortems


Bachelor's degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience

3+ years of demonstrated experience managing and maintaining large-scale SaaS applications in one of the major platforms (Azure, GPC, AWS, IBM Cloud) and cloud orchestration tools (Kubernetes, Marathon, VMware, etc.)

2+ years of experience with Linux operating system (strong understanding)

3+ years of experience in at least one programming language: Java, C, C++, Python, Go, Perl or Ruby

Ability to debug and optimize code and automate routine tasks

(Desired) Experienced with declarative configuration management and provisioning tools like Ansible, Puppet or Chef


As a Sr. Site Reliability Engineer in Crossover, you will get an opportunity to learn and work on cutting-edge monitoring tools, which allow you to operate at a scale of thousands of servers for 70+ different software companies.  The candidate will be exposed to our metrics-driven culture, which is the foundation of our success in measuring and improving every engineering process and product we deliver.

Working with the top 1% talent will help the Site Reliability Engineering master managerial as well as technical skills. Ultimately Crossover’s dynamic environment will allow the candidate to move fast, set and achieve aggressive goals.


Work Examples

Every job creates excellent work. We want to show you the types of things you will learn, using real work examples of the processes, training examples, playbooks, projects you will build on the job.

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This is an interview with one of our SaaSOps Engineering Manager, about deciding to build a Central repository to host all docker containers of all companies and products owned by Trilogy.

Relevant Files and Links

Here you can find external resources relevant to this role.

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Prep notes for ASQ Certified Reliability Engineer exam

This is an article that provides you a practical tutorial on all the elements that make up the ASQ CRE body of knowledge.

SRE ebook

This is a new ebook that combines thought leadership, best practices, and real-world learnings for professionals interested in leveraging the power of SRE.


and Answers

  • Are there any Cloud certifications required in the role of Site Reliability Engineer?

    At Crossover we are always fostering our team to learn continuously. We understand that some Cloud certifications may help you demonstrate your knowledge and skills, but there is no particular certification required for the role of Site Reliability Engineer.

  • What would be the priorities for a Site Reliability Engineer on a daily basis?

    The top drivers are to ensure our infrastructure availability and our public cloud costs optimizations through eliminating complexity from both architecture and processes.

  • What are the expectations on Site Reliability Engineer during an outage?

    You are expected to be personally involved and drive towards a timely resolution. Also, you have to be able to deep dive on all outages, keep track of the underlying root causes and push towards their resolution, to improve reliability over time.

  • What are the challenges to have a team of people spread across different countries?

    The main challenges are related to bring together people from multiple time-zones and ensure they are in sync with the work to be delivered. We have developed an online productivity tool that helps remote workers manage their time more efficiently and receive a fair working environment.

  • What is the Crossover approach to acquire and integrate a new software company into the portfolio so aggressively?

    Before acquiring a company, we conduct due diligence. Once a buying decision is made, we use our standard model to import the SaaS products into our centralized environment. We then enhance the products to match our standardized model.