Job Specifications
Title : Network Security (L3)
Role : Mississauga (Hybrid)
Position: Full Time
Required Skills, Experience and Qualifications:
Key Skills:
Firewalls : Checkpoint, Fortinet, Palo Alto, Cisco. NAC - Aruba ClearPass, Cisco ISE. NAC - Aruba ClearPass
WAF - Radware, F5, Netscalar, Azure etc.
Manage day-to-day Operations according to customer environment
Organizational Functions:
Develop and implement network security architecture, policies, and procedures to protect against threats.
Should be able to provide L3 level support on critical/Outage situation and drive end to end until the resolution.
Good understanding of network protocols (HTTP, HTTPS, DNS, TCP/IP).
Should have Strong expertise in:
Implementing and maintaining Checkpoint firewall and associated software module (VPN, URL Filtering, IPS etc.) infrastructure.
Should have good working experience on checkpoint VPN (S2S & Remote access).
Deep understanding of Cloudflare content delivery network (CDN) and security solutions, including web application firewalls (WAF), bot management, and DDoS protection.
Deep understanding of RADIUS, TACACS+, 802.1X, EAP methods, and networking protocols.
Installation and configuration of ClearPass Policy Manager (CPPM), including profiling, onboarding, and guest services.
Resolve complex authentication failures, latency issues, and TACACS+ service issues.
Proficiency with Zscaler tools (ZIA, ZPA, ZDX), packet capture analysis, and scripting languages (Python, PowerShell) for automation.
Design, implement, and tune ZIA/ZPA policies for roaming, branch, and third-party users, utilizing Zscaler's cloud security concepts.
Resolve complex L2/L3 issues related to user connectivity, authentication (SAML, SCIM, Azure AD), and access flows.
Deep understanding of Zero Trust Network Access (ZTNA), Firewalls, and IPSec/SSL VPNs.
Experience on maintaining any email security gateway platforms to optimize filtering.
Experience on Investigation, quarantine, and remediation of malicious, suspicious, or spoofed emails.
Design, build, and maintain scalable infrastructure to analyze email patterns and detect anomalies in real-time with the help of Abnormal AI tool.
Create and maintain comprehensive documentation related to network security infrastructure and procedures following the NIST and CIS standards.
Identify the in-efficiencies in the operations and identify potential solutions to improve efficiency.
Own and drive improvements in the areas of Operations, technology, Advisory and customer satisfaction.
Stay up to date on emerging security threats, technologies, and industry trends.
Manage and mentor a team of network security engineers and analysts.
One should identify possible automation capabilities, their execution
within the network security products and processes, and deliver across multiple customer environments.
Should be cross-skilled across multiple technologies covering products like Firewalls, Web-Proxies, as well as cloud security products (AWS, Azure, GCP etc.)
Should prepare weekly and monthly performance reports across multiple customer environments (people, technologies, Process Gaps, Risk, RAG status etc.)
Should be able to conduct internal training to address the skill gap as well as motivate the team to do technical certifications.
Core Functions:
Focus on technologies and bring automation capabilities.
Regular reporting on the state of the customer delivery.
Maintain KPIs for the teams and report on Service Improvement Areas to senior management
Identify risks and maintain compliance with submission of client-facing reports.
Focus on industry-based practices and configuration and guide the team to follow the same.
Individual Performance Measurement Criteria:
Bring quality in service delivery and work on cross killing people to increase productivity.
Quality and effectiveness in communications and engagement with stakeholders.
Low / Zero Escalation from the customers
Driving Innovation to improve Service standards & Quality.
Technical Skills:
Proficiency Level:
Understanding of the different security technologies, Experience in deploying, configuring and troubleshooting of
Firewalls (Checkpoint)
NAC – Aruba Clearpass
Web application Firewall – Cloudflare
Web-Proxy -Zscaler (ZIA/ZPA/ZDX)
Email Security – Abnormal AI
Load balancer – F5 BIG-IP
Experience in different Information Security Processes.
Security Change Management
Rule Base Reviews & Optimization
Security Incident Management (Standard & Critical)
Understanding of different Security Architectures.
Communication and Organizational skills:
Good command of the English language, with excellent written and verbal skills.
Proactive in communication and appropriate selection of audience according to topic.
Highly organized and capable of tracking a variety of tasks to closure.
Good time management principles and effective in prioritizing workloads.
Cultural Requirements:
Works collaboratively with other teams and builds positive working relationshi
About the Company
Ktek Resourcing is a global staffing and recruitment firm specializing in IT, engineering, and professional services.
We combine data, AI, and human insight to deliver smarter, faster hiring solutions. Whether you're filling a single role or scaling an entire team, we bring over two decades of recruiting expertise to every engagement. Ktek is proudly headquartered in Houston, TX.
Our reach spans North America, South America, Asia, and EMEA, connecting businesses with top-tier talent. We are committed to creating equitable...
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