Senior Network Security Specialists x2 (Ottawa)

Position Overview

Our Ottawa-based client is seeking two Senior Network Security Specialists for a hybrid engagement. The role is a 24‑month contract, full‑time (37.5 hours per week), requiring eligibility for security clearance with 5+ years in Canada.

Responsibilities

• Support network security operations, including evergreening and ongoing maintenance of security controls.
• Diagnose and resolve complex cross‑functional network security issues and vulnerabilities.
• Plan and execute testing for production deployments, covering performance, failover, security validation, and disaster recovery.
• Analyze existing environments to identify security gaps, deficiencies, and improvement opportunities.
• Implement upgrades, configuration changes, and remediation actions to address threats and operational issues.
• Monitor and respond to network security events and incidents using logs, alerts, and monitoring tools.
• Perform root cause analysis and recommend corrective actions for security incidents.
• Collaborate with internal teams to ensure compliance with security policies, standards, and regulatory requirements.
• Support continuous improvement initiatives, including automation and operational efficiency enhancements.
• Contribute to strengthening the overall enterprise network security posture.

Qualifications

• University degree or college diploma in Computer Science, IT, Engineering, or related field.
• Minimum 5 years of experience in network operations and network security (testing, troubleshooting, integration).
• Strong hands‑on experience with Cisco switching/routing and Check Point firewall technologies.
• Experience in enterprise IT operations, including monitoring, incident response, and vulnerability management.
• Experience supporting CI/CD processes within the development lifecycle.
• Experience working with scalable and highly available network/service‑oriented architectures.
• Ability to configure, troubleshoot, and support network security controls (e.g., firewalls, segmentation, secure configurations).
• Experience working in Agile/SCRUM environments with cross‑functional teams.

Benefits & Advantages

• High‑impact security work: Directly contribute to protecting and strengthening a large enterprise network workplace.
• Strong technical growth: Gain hands‑on experience with leading security tools, incident response, and modernization/automation initiatives.
• Hybrid engagement: In‑office work in Ottawa.
• Full‑time, 37.5 hours per week.
• 24‑month contract position.

Equality, Diversity & Inclusion

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. We develop and implement strategies to increase equity, diversity, and inclusion within the workplace throughout the entire lifecycle of our workforce, including recruitment, retention, and advancement for all employees. We are dedicated to ensuring full participation in the workforce free from barriers, systemic or otherwise, for all equity‑seeking groups, including women, non‑binary/gender non‑conforming individuals, Indigenous or Aboriginal Peoples, persons with disabilities, and members of visible minorities, racialized groups and the LGBTQ2+ community.

We are committed to creating and maintaining an inclusive and accessible workplace for all candidates and employees by supporting accessibility and accommodation needs throughout the employment lifecycle. All job applicants should identify any accommodation requirements by sending an email to our recruiting team.