Job Title: Senior System Support Analyst

Location: Ottawa, ON (hybrid)

Duration: Until End of the year 2026

Rate: CAD90-CAD95/hr

Position Overview

We are seeking a highly experienced Senior System Support Analyst to provide advanced technical support, infrastructure administration, and security operations within a secure enterprise environment. The successful candidate will be responsible for maintaining and supporting critical systems, virtualized server environments, remote access technologies, cybersecurity controls, and network infrastructure while ensuring high availability, security, and performance.

Key Responsibilities

- Provide senior-level support for enterprise systems, servers, and infrastructure components.
- Administer and support Citrix XenApp 6.x or later environments.
- Manage and maintain VMware, Windows Server (2008 or later), and AIX 7.x or later server environments.
- Monitor, troubleshoot, and optimize system performance, security, and availability.
- Support and manage VPNs, firewalls, PKI, multi-factor authentication (MFA), and endpoint protection solutions.
- Implement and maintain IT security controls, including network and application security measures.
- Support Security Information and Event Management (SIEM) platforms and security monitoring activities.
- Troubleshoot and support HL7 messaging protocols and related integrations.
- Manage and support Citrix Thin Client Architecture environments.
- Perform incident investigation,



root cause analysis, and resolution of complex technical issues.
- Collaborate with infrastructure, cybersecurity, application, and business teams to ensure operational excellence.
- Develop and maintain technical documentation, procedures, and knowledge articles.

Required Qualifications

- Active Canadian Secret Security Clearance (mandatory).
- Experience supporting and administering Citrix XenApp 6.x or newer.
- Hands-on experience with VMware virtualization environments.
- Strong expertise with Windows Server 2008 or later and AIX Server Version 7 or later.
- Experience with VPNs, firewalls, PKI, and enterprise authentication solutions.
- Knowledge of SIEM tools and cybersecurity monitoring practices.
- Experience with Endpoint Protection technologies and Multi-Factor Authentication (MFA).
- Understanding of network security and application security principles.
- Experience supporting HL7 messaging protocols.
- Solid analytical, troubleshooting, and problem-solving abilities.
- Excellent verbal and written communication skills.
- Ability to manage multiple priorities in a fast-paced environment.

Nice-to-Have Qualifications

- Previous experience supporting projects or contracts within the Department of National Defence (DND).
- Valid and current Vulnerability Check Record (VCR).
- ITIL Certification.
- Experience working within highly secure government or defense environments.

📌 Senior System Support Analyst (Ottawa)
🏢 Hays
📍 Ottawa