Own the whole stack, not just the pipeline. Nextria is hiring a Senior DevOps / DevSecOps Engineer to support one of our customers in a secure, mission-critical environment.

This is a hands-on senior technical role for someone comfortable working across Linux and Windows infrastructure, virtualization, databases, automation, security, and production operations.

Location and work requirements

Regular business hours, Monday to Friday

Must be a Canadian citizen

Must be eligible to obtain and maintain a

Government of Canada Top Secret security clearance

Due to the nature of the customer environment, remote work is not available for this position

What you will do You will work directly within a customer environment and take ownership of the reliability, security, deployment, and ongoing operation of critical systems.

Responsibilities include:

Build, configure, deploy, and maintain production infrastructure

Administer and troubleshoot

Linux and Windows Server

environments

Manage

virtual machines and virtualized infrastructure

Automate infrastructure provisioning, configuration, deployment, and maintenance

Build and maintain

CI/CD pipelines

Support application deployment, upgrades, patching, backup, recovery, and lifecycle management

Administer and troubleshoot

Oracle Database and Microsoft SQL Server

environments

Implement infrastructure and application monitoring, logging, alerting, and performance management

Apply

DevSecOps and SecOps practices , including vulnerability management, system hardening, access controls, certificate management, patch management, and security remediation

Troubleshoot complex issues across applications, operating systems, databases, networking, and infrastructure

Develop scripts and tooling to automate repetitive operational tasks





Maintain technical documentation, operational procedures, system configurations, and runbooks

Work directly with customer technical teams, security personnel, developers, and other stakeholders

Participate in architecture and technical design decisions and help improve the customer's operational practices

What we are looking for We are looking for an experienced engineer who can operate independently and take ownership of complex production environments.

Required experience:

7+ years of experience

in DevOps, DevSecOps, systems engineering, infrastructure engineering, or a similar role

Strong hands-on experience administering

Linux

Strong hands-on experience with

Windows Server

Experience managing

virtualized environments and virtual machines

Experience with

Oracle Database and/or Microsoft SQL Server

Strong scripting and automation skills using technologies such as

PowerShell, Bash, and Python

Experience with CI/CD technologies such as

GitLab CI/CD, Jenkins, GitHub Actions, Azure DevOps , or equivalent

Experience with configuration management and Infrastructure as Code tools such as

Ansible, Terraform, or equivalent

Experience with monitoring, logging, and observability platforms

Solid understanding of

TCP/IP, DNS, firewalls, certificates, PKI, identity and access management, and enterprise networking

Experience with system hardening, vulnerability remediation,



patching, security controls, and secure configuration management

Solid troubleshooting skills across infrastructure, applications, databases, and networks

Experience supporting

production or mission-critical systems

Ability to communicate effectively with both technical teams and customer stakeholders

Nice to have Experience in any of the following would be an asset:

Government, defence, public safety, or other highly regulated environments

Existing Government of Canada

Secret or Top Secret clearance

Air-gapped, disconnected, or restricted-network environments

Kubernetes, Docker, Podman, or other container technologies

VMware or other enterprise virtualization platforms

Oracle Linux and Oracle technologies

Active Directory, LDAP, and enterprise identity management

Security frameworks and controls such as

ITSG-33, NIST, CIS Benchmarks, or DISA STIGs

Backup, disaster recovery, high availability, and business continuity

Infrastructure and application performance tuning

The person we are looking for This is not a role where you will only maintain pipelines. We are looking for someone who understands the

full operational stack

and can diagnose a problem whether it originates in an application, operating system, database, network, virtualization layer, or security configuration.

You should be comfortable working independently, making sound technical decisions, documenting your work, and operating professionally in a secure customer environment.

Interested?

We would like to hear from experienced Canadian DevOps and DevSecOps professionals who enjoy solving difficult infrastructure problems and taking ownership of the systems they support.

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📌 Senior DevOps / DevSecOps Engineer (Montreal)
🏢 Nextria
📍 Montreal