Staff Software Developer

eSentire, Inc.; Southwestern Ontario; Hybrid; CAD 150,000 - 170,000; Full time

Benefits offered by this job

Paid parental leave

Matching RRSP program

Competitive employee referral bonus

Job summary

eSentire, Inc. is seeking a Staff Software Developer to join their infrastructure team in Southwestern Ontario, Canada. This role focuses on designing and maintaining AWS cloud infrastructure using Terraform, alongside scripting in Python or Go.

The ideal candidate should possess extensive AWS experience, effective scripting skills, and a solid understanding of networking and security concepts. A hybrid work model is offered to those within 50 km of the Waterloo, Ontario office, with competitive pay ranging from $150,000 to $170,000 CAD.

Qualifications

• Extensive experience with AWS services like EC2 and S3.
• Hands-on experience building production infrastructure with Terraform.
• Good proficiency in scripting and programming languages like Python or Go.

Responsibilities

• Design and maintain AWS cloud infrastructure using Terraform.
• Develop automation tooling with shell scripting.
• Troubleshoot AWS services across various domains.

Skills

AWS services

Terraform

Shell scripting

Python or Go

Networking concepts

CI/CD pipelines

Job description

About eSentire

eSentire is on a mission to hunt, investigate and stop cyber threats before they become business disrupting events. We were founded on the premise that if youcan'tfind a solution, you build it. And today, that means pioneering the future of AI-powered security.At eSentire,we're rebuilding a cutting-edge AI Security Operations Platform that will amplify human expertise, not replace it, creating a workplace where innovation meets impact.

Our culture is based on transparency, teamwork, and continuous innovation, where your ideas can shape how AI and human intelligence work together to outsmart cyber adversaries. As the authority in Managed Detection and Response, we protect the critical data and applications of 2000+ organizations in 80+ countries, across 35 industries—and we're looking for forward-thinking talent to help us define what AI-first security, human-backed trust means for the industry.

About the Position

We are looking for a Staff Software Developer to join our infrastructure team. In this role, you will design, build, and maintain the AWS cloud infrastructure that underpins our products and services. You will work primarily in Terraform, with supporting work in shell and either Python or Go, and will be expected to operate independently on complex infrastructure problems.

Responsibilities

• Design, build, and maintain production AWS infrastructure using Terraform, following infrastructure-as-code best practices.
• Develop and maintain reusable Terraform modules, and establish standards for module structure, state management, and version control.
• Build and maintain automation tooling using shell scripting and either Python or Go.
• Operate, monitor, and troubleshoot AWS services across compute, networking, storage, identity, and security domains.
• Improve the reliability, scalability, security, and cost-efficiency of existing infrastructure.
• Partner with software engineering teams to support deployments, CI/CD pipelines, and developer workflows on AWS.
• Participate in code review, technical design discussions, and incident response.
• Document architecture decisions, runbooks, and operational procedures

Requirements

• Extensive professional experience working with AWS across a broad range of services (e.g. VPC, IAM, EC2, ECS/EKS, Lambda, S3, RDS, CloudWatch).
• Strong hands‑on experience building and maintaining production infrastructure with Terraform.
• Proficiency in shell scripting (Bash or similar).
• Proficiency in Python or Go.
• Solid understanding of networking, security, and identity concepts in a cloud environment.
• Experience with CI/CD pipelines and version control workflows (Git).
• Ability to work independently, lead technical efforts, and mentor other engineers.
• Located in Canada and eligible to work in Canada.

This posting is for an existing vacancy

Work Location

If the successful candidate is located within 50 km of our Waterloo, Ontario office, this role will follow a hybrid schedule: work from home on Mondays and Fridays and work onsite Tuesday through Thursday. Candidates residing more than 50 km from the office will work fully remote.

Compensation Range

The expected base salary range for this role is $150,000–$170,000 CAD. This range is for the primary location for which the job is posted. Actual compensation may vary depending on location and job‑related factors such as qualifications, experience, knowledge, skills, and internal equity.

Our Culture and Values

We celebrate diversity, operating with mutual respect and consideration, in an environment that fosters inclusivity for all. We believe that a variety of perspectives, backgrounds, and experiences make us stronger – if you’re enthusiastic about this opportunity but don’t meet every qualification, we encourage you to apply anyway. It takes a diverse set of thoughts, cultures, backgrounds, and perspectives to be a true market leader.

Total Rewards

• Paid parental leave
• Matching RRSP program
• Competitive employee referral bonus

Accommodation

If you have any accessibility requirements during the recruitment process, please reach out to our HR team at [e-mail] and any accommodation needs will be addressed upon request. Your talents and unique perspectives are valued, and we look forward to the opportunity to work together to build a more inclusive future.

It's our mission at eSentire to protect our customers 24/7/365 and we extend this conviction to job seekers. During the application and interview process, eSentire will communicate with you from one of our corporate @esentire.com email addresses, never from a public email address.