Sr. Systems Engineer, Linux

If you are looking for a challenging opportunity that will ignite your passion for designing cool and innovative products, are exceptionally creative, are a great problem solver and can make things happen - apply today!

The Senior Linux Engineer will report to the IT Manager, Cloud & Infrastructure and will be responsible for the reliability, security, performance, and lifecycle management of Linux-based systems and supporting infrastructure. This role will work closely with Information Security, Service Operations, and other IT teams to support production and internal environments. The ideal candidate is self-motivated, comfortable in a fast-paced environment, and experienced in diagnosing complex system-level issues.

Responsibilities

* Install, configure, maintain, patch, and monitor Linux servers across multiple environments

* Manage OS lifecycle activities including upgrades, security hardening, patch compliance, and vulnerability remediation

* Administer core Linux services such as:

* DNS, DHCP, NTP

* SSH, SFTP

* systemd services

* cron / scheduled tasks

* log management (rsyslog, journald)

* Perform performance tuning and troubleshooting across CPU, memory, disk, file system, and network layers using standard Linux tooling (top/htop, iostat, vmstat, strace, lsof, tcpdump, etc.)

* Manage and maintain storage and file systems (LVM, RAID, ext4/xfs, mounts, quotas, and backups)

* Support server virtualization and/or cloud environments where applicable (Hyper-V, Azure, OCI, etc.)

* Participate in monitoring and alerting improvements (e.g., Zabbix, Prometheus, Grafana, Splunk, ELK, Nagios, etc.)

* Develop and maintain automation for provisioning, patching, and configuration management using scripting and tooling such as:

* Bash, Python, Power Shell

* Ansible, Puppet, or Chef

* Provide Tier 3 escalation support for internal infrastructure issues and service outages

* Work with third-party vendors and internal teams to coordinate problem resolution and root cause analysis

* Maintain accurate and timely ticket updates, documentation, and status reporting in the ticketing system

* Create and maintain internal documentation, standards, runbooks, and procedures

* Provide guidance and mentorship to Service Operations and other support personnel

* Participate in a rotating on-call schedule and respond to after-hours incidents as required

* Travel to other company sites as needed for infrastructure support or deployments

* Conduct themselves professionally when representing the team and organization

* Work collaboratively to achieve goals and/or complete assigned tasks

* Adhere to set directions and guidelines from team leader to support collaboration across teams to complete projects

* Perform other duties as assigned by management

Required Skills and Experience

* Typically requires bachelor's degree and/or equivalent level of experience with 8 years of hands-on experience in Linux Administration, Systems Administration, or Infrastructure Support in a company of 500+ employees (or equivalent combination of experience and education).

* Strong working experience of Linux administration concepts including:

* user/group management, permissions, sudo, SSH

* package management (yum/dnf/apt), repositories, patching

* system services (systemd), startup configuration

* log analysis and troubleshooting

* Solid understanding of networking fundamentals:

* TCP/IP, routing basics, DNS, firewalls

* troubleshooting connectivity using common tools (ping, trace route, netstat/ss, tcpdump)

* Experience supporting enterprise environments with uptime, security, and compliance expectations

* Ability to troubleshoot issues independently and drive resolution across multiple teams

* Strong analytical and problem-solving skills with excellent attention to detail

* Strong written communication skills, including documentation and ticket updates

* Self-starter with the ability to work with little or no supervision

* Strong time-management skills with the ability to multitask and manage priorities effectively

* Effective collaborator across IT and other departments

* Demonstrated commitment to professional development and continuous improvement

* Experience with configuration management

* Familiarity with security best practices:

* CIS hardening

* auditing/logging

* vulnerability scanning remediation

* Experience supporting:

* container platforms (Docker, Kubernetes)

* CI/CD pipelines

* cloud Linux workloads

* Experience with backup tooling and disaster recovery practices

* Scripting/automation background beyond "basic scripts," including reusable tooling, error handling, and version control (Git)

* Ability to communicate in a manner that is timely, respectful, and open to other ideas

* Demonstrate willingness to adjust thinking and behaviour

Physical Qualifications

* Must be able to work flexible hours outside of normal business hours

* Be part of on call rotation

* Must be able to sit or stand for extended periods

* Must be a "U.S. person" as defined by the ITAR (22 CFR §120.15)

* Must be able to stoop,…