Talent.com
Senior Security & Network Admin
Senior Security & Network AdminSaint Elizabeth • Markham, York Region, CA
Senior Security & Network Admin

Senior Security & Network Admin

Saint Elizabeth • Markham, York Region, CA
2 days ago
Job type
  • Full-time
Job description

Join us in re-imagining health care with the largest social enterprise in Canada. SE Health is leading a multi-year enterprise transformation project that leverages human-centered design to be at the forefront of innovation within the healthcare sector. As a leader in home care, we are expanding and enhancing our capabilities to provide personalized experiences using new platforms and cloud-native architectures, ensuring privacy and security by design. Our transformation is grounded in guiding principles drive to ensure that we prioritize team decisions, long-term planning, process standardization, data-driven insights, and balanced user adoption. If you are driven by the desire to have an impact, change the world of health care and shape the future, we invite you to be part of our journey.

Job Summary

We are seeking an experienced Senior Network Administrator to join our IT team. The successful candidate will be responsible for designing, implementing, and managing our network infrastructure, with a focus on Palo Alto and Azure firewalls, Cisco switches, Meraki wireless access points (WAPs), and F5 load balancers. The role requires a strong working knowledge of cybersecurity best practices and IT Service Management (ITSM) processes to ensure secure, reliable, and efficient network operations.

Job Responsibilities

A. Network Security Infrastructure Management

  • Configure, manage, and troubleshoot F5 BIG-IP LTM load balancers to ensure high availability, scalability, and performance of web applications.
  • Administer and optimize network security policies and configurations on Palo Alto firewalls, ensuring robust protection against external and internal threats.
  • Oversee Microsoft Azure cloud networking solutions, including deployment and management of virtual appliances, to ensure secure cloud connectivity.
  • Configure, manage, and troubleshoot Cisco devices including Nexus core switches, ensuring optimal network performance, redundancy, and security.
  • Administer and configure wireless access points from various vendors (e.g., Cisco Meraki, Aruba) to maintain a secure, efficient, and high-performance wireless network environment.
  • Help develop and enforce firewall policies to protect against unauthorized access, malware, and other threats, including URL filtering, application control, and threat prevention on Palo Alto devices.
  • Implement cybersecurity measures as mandated by security team such as intrusion detection / prevention systems (IDS / IPS), secure VPN tunnels, and multi-factor authentication for network access.
  • Conduct regular security audits and vulnerability assessments to identify and mitigate risks.
  • Create and update detailed network diagrams to accurately reflect the current state of both physical and logical network topologies.

B. Network Monitoring & Reporting

  • Continuously monitor network traffic and security events, leveraging available tools to detect and mitigate potential threats.
  • Generate reports on network performance, security incidents, and compliance metrics for management review.
  • Deploy and manage network monitoring tools (e.g., DataDog) to track performance metrics, bandwidth usage, and potential security incidents.
  • Analyze traffic patterns and logs to identify bottlenecks, packet loss, or suspicious activity.
  • Fine-tune configurations (e.g., F5 load balancing algorithms, Cisco switch QoS settings, Meraki RF profiles) to optimize performance and user experience.
  • C. ITSM Processes

  • Adhere to ITIL-based ITSM processes for incident, problem, and change management, using tools like JIRA.
  • Log and resolve network-related incidents, ensuring timely communication and resolution per service level agreements (SLAs).
  • Submit and manage change requests for network configuration updates, ensuring minimal disruption and proper documentation.
  • Contribute to problem management by identifying recurring issues and implementing long-term solutions.
  • D. Documentation and Reporting

  • Maintain up-to-date documentation of network configurations, topologies, IP schemas, and security policies.
  • Create and update network diagrams using tools like Visio or Lucidchart.
  • Generate regular reports on network performance, security incidents, and capacity planning for management and compliance purposes.
  • Document troubleshooting steps and resolutions for knowledge base and future reference.
  • E. Collaboration

  • Work with cybersecurity teams to align network configurations with security policies and respond to threats.
  • Partner with systems administrators to ensure seamless integration between network and server environments.
  • Collaborate with application teams to support specific network requirements (e.g., low-latency for VoIP or high-throughput for data transfers).
  • Participate in cross-functional projects, such as cloud migrations or data center expansions.
  • F. Upgrades and Maintenance

  • Plan and execute firmware and software upgrades for Palo Alto firewalls, Cisco switches, Meraki WAPs, and F5 devices to ensure systems are up-to-date and secure.
  • Schedule and perform routine maintenance tasks, such as replacing failed hardware or updating configurations, during maintenance windows to minimize impact.
  • Test and validate upgrades in a lab environment before production deployment to ensure compatibility and stability.
  • These responsibilities ensure the Senior Network Administrator maintains a secure, reliable, and efficient network environment while adhering to cybersecurity best practices and ITSM standards.

    Experience & Technical Skills

  • 5+ years of hands-on experience in network administration and security.
  • Strong experience with F5 BIG-IP LTM load balancers, including traffic management and troubleshooting.
  • Proficiency in Microsoft Azure networking, including Virtual appliances and ExpressRoute.
  • Deep understanding of Palo Alto Networks firewalls, including policy configuration and security monitoring.
  • Solid experience with Cisco Nexus switches, VLANs, and routing protocols.
  • Experience managing Cisco Meraki wireless devices, including SSID configurations and security protocols.
  • Solid problem-solving skills, able to work independently and as part of a team.
  • Exceptional communication skills and ability to collaborate with cross-functional teams.
  • Ability to handle after-hours support and respond effectively to emergencies.
  • Work experience with Datadog, SDWAN, SASE, AI are nice to have.
  • Availability

    Must be available for after-hours work (evenings / weekends) and on-call rotation.

    Certifications / Training

  • Cisco Certified Network Professional (CCNP) or higher.
  • Palo Alto Networks Certified Network Security Engineer (PCNSE).
  • Microsoft Certified : Azure Network Engineer Associate.
  • F5 Certified BIG-IP Administrator (F5-CA).
  • Why Join SE Health?

  • Competitive Total Rewards : So much more than a paycheque! Enjoy comprehensive benefits, pension, flexible pay options, car-loan support, housing solutions and exclusive staff perks.
  • Flexibility & Belonging : Thrive with hybrid work, flexible scheduling and a supportive, inclusive culture that puts people first.
  • Purpose & Impact : Join a national social enterprise where your voice matters. Every role helps advance health, spark innovation and strengthen communities across Canada.
  • Growth That Meets Your Ambition : Access tuition support, training and meaningful career pathways across a growing, future-focused organization.
  • About SE Health

    SE Health is a not-for-profit social enterprise advancing health with heart. With 115+ years of impact, we bring hope, happiness and exceptional care to people and communities across Canada. We lead with empathy, dignity and purpose while building a future where everyone can realize their full health and well-being potential. We’re also an inclusive, supportive workplace offering competitive compensation, strong benefits and real opportunities to grow. We’re All In Together.

    COVID-19

    To protect the health of our clients, teams, and communities, all SE Health employees must be fully vaccinated (two doses, 14+ days since the final dose).

    Accessibility

    If you require accommodations due to illness or disability, please contact Talent Acquisition at careers@sehc.com .

    AI and compensation details

    We use AI to take notes during our interview. All applications and interviews are reviewed by our Talent Acquisition team. This role is a new addition. The total target compensation for this position is $72,000 - $91,000. The compensation offered is determined based on the successful candidate’s relevant experience, skills, and competencies, taking into consideration internal equity.

    #J-18808-Ljbffr

    Create a job alert for this search

    Senior Security Network Admin • Markham, York Region, CA

    Similar jobs
    Senior SOX Compliance Specialist

    Senior SOX Compliance Specialist

    Honda Canada Inc. • Markham
    Full-time +1
    The Senior SOX Compliance Specialist will be designated as Honda Canada Finance Inc.HCFI) SOX Lead and supports Honda’s compliance activities related to Sarbanes Oxley (SOX) Certification.Reviews G...Show more
    Last updated: 6 days ago • Promoted
    Building Automation System & Network Support Specialist

    Building Automation System & Network Support Specialist

    BGIS • Markham, CA
    Full-time
    Summary JOB DESCRIPTION We are seeking a highly skilled and motivated BAS & Network Support Specialist to join our team.This role is ideal for someone with a strong background in desktop and server...Show more
    Last updated: 1 day ago • Promoted
    Senior Sap Security, Controls & Grc Leader

    Senior Sap Security, Controls & Grc Leader

    Ernst & Young Advisory Services Sdn Bhd • Toronto, Canada
    Full-time
    A global consulting firm in Toronto is seeking an experienced professional for a role in SAP Security and GRC.This position requires over 10 years of experience, a relevant bachelor's degree, a...Show more
    Last updated: 30+ days ago • Promoted
    Benefits Advisor - Work From Home

    Benefits Advisor - Work From Home

    HMG Careers • Georgina, ON, Canada
    Remote
    Full-time
    This full-time position offers flexible work hours and ample opportunities for advancement into management roles.You will work remotely to serve clients and offer valuable advice and protection to ...Show more
    Last updated: 4 days ago • Promoted
    VP, Information Security & Cyber Risk Leadership

    VP, Information Security & Cyber Risk Leadership

    CarltonOne • Markham
    Full-time
    A global B2B technology company in Markham is looking for a Vice President, Information Security & Cyber Risk.This role involves defining and operationalizing the global security strategy, leading ...Show more
    Last updated: 6 days ago • Promoted
    Cloud Security Analyst (AWS / Azure – CNAPP)

    Cloud Security Analyst (AWS / Azure – CNAPP)

    Recrute Action • Markham, ON, ca
    Full-time +2
    Quick Apply
    Cloud Security Analyst (AWS / Azure – CNAPP).Cloud cybersecurity operations role in the insurance industry.Focus on CNAPP solutions, cloud security controls, and vulnerability management across AWS...Show more
    Last updated: 4 days ago
    Tier I SOC Analyst - CyberClan

    Tier I SOC Analyst - CyberClan

    CyberClan • newmarket, on, ca
    Full-time
    Tier I SOC Analyst - Job Description.Established in 2006, CyberClan’s carefully selected team of experts are capable of solving complex cyber security challenges – keeping data secure and businesse...Show more
    Last updated: 7 days ago • Promoted
    Cloud Network Security & Compliance Architect

    Cloud Network Security & Compliance Architect

    OpenText • Richmond Hill
    Full-time
    A global leader in information management is seeking a Cloud Network Administrator to ensure the security and integrity of their cloud and hybrid network infrastructure. The ideal candidate will hav...Show more
    Last updated: 4 days ago • Promoted
    Telecom Expense Management Analyst - System One

    Telecom Expense Management Analyst - System One

    System One • richmond hill, on, ca
    Full-time
    Telecom Expense Management Analyst (Contract).Canada (9am – 5pm EST working hours).Global Technology / Enterprise IT.A large, multinational technology organization is seeking a.Telecom Expense Mana...Show more
    Last updated: 3 days ago • Promoted
    SAP Concur - newmarket

    SAP Concur - newmarket

    Yochana • newmarket, on, ca
    Full-time
    SAP Concur modules : Expense, Travel, and Invoice.Strong experience in SAP Concur configuration (Expense, Travel, Invoice). Expertise in integration with SAP ERP / S4HANA using middleware (SAP CPI, Del...Show more
    Last updated: 3 days ago • Promoted
    Business Analyst- Secret Clearence Level 2 - newmarket

    Business Analyst- Secret Clearence Level 2 - newmarket

    VBeyond Corporation • newmarket, on, ca
    Full-time
    We are looking for a Business Analyst-.Canadian Security : Secret Clearance (Level II).The role involves working closely with business stakeholders, technical teams, and vendors to gather requiremen...Show more
    Last updated: 7 days ago • Promoted
    Senior DevSecOps Engineer – Cloud Security & CI / CD

    Senior DevSecOps Engineer – Cloud Security & CI / CD

    Toronto Film School • Richmond Hill
    Full-time
    A leading investment management firm is seeking a DevSecOps Engineer to design and implement security initiatives.The role demands a minimum of 7 years in DevOps or security engineering, focusing o...Show more
    Last updated: 1 day ago • Promoted
    Senior Security Engineer – Splunk & Cloud

    Senior Security Engineer – Splunk & Cloud

    Astra North Infoteck Inc. • Toronto, ON, ca
    Full-time
    Quick Apply
    Job Description : Senior Security Engineer – Splunk & Cloud (8–10 Years).Skills : Digital : Microsoft Azure | Digital : Splunk. Essential Skills : Splunk ITSI & UBA | Virtualization & Cloud (...Show more
    Last updated: 4 hours ago • New!
    Technical Deployment Lead

    Technical Deployment Lead

    Vencora • Whitchurch-Stouffville
    Full-time
    Vencora Whitchurch‑Stouffville, Ontario, Canada.Reports to : Manager, Cloud Ops & Security.Be among the first 25 applicants. At Portfolio+, we empower financial institutions with secure, scalable, an...Show more
    Last updated: 6 days ago • Promoted
    Fibre Network Logistics & Procurement Lead

    Fibre Network Logistics & Procurement Lead

    Telmax • Markham
    Full-time
    A leading telecommunications provider located in York Region is seeking a Manager, Logistics & Procurement.In this role, you will oversee sourcing, inventory control, and logistics operations for b...Show more
    Last updated: 4 days ago • Promoted
    Senior Consultant, Vulnerability Cybersecurity

    Senior Consultant, Vulnerability Cybersecurity

    BDO Canada • Markham
    Full-time
    Putting people first, every day.BDO is a firm built on a foundation of positive relationships with our people and our clients. Each day, our professionals provide exceptional service, helping client...Show more
    Last updated: 14 hours ago • Promoted • New!
    Senior SOX Compliance Specialist

    Senior SOX Compliance Specialist

    Honda Canada Inc • Markham
    Full-time
    Senior SOX Compliance Specialist will be designated as Honda Canada Finance Inc.HCFI) SOX Lead and • •RESPONSIBILITIES • • • Develop and maintain accurate documentation of all internal control complia...Show more
    Last updated: 6 days ago • Promoted
    Senior Insider Threat Training Lead

    Senior Insider Threat Training Lead

    TD Securities • Markham
    Full-time
    A leading financial institution in Markham, Ontario, is seeking a motivated professional to join their Insider Threat Management Operations Support team. This role involves developing and delivering...Show more
    Last updated: 6 days ago • Promoted