Sr. Network Systems Engineer, Firewall Job at MCKESSON, Canada

  • MCKESSON
  • Canada

Job Description

Salary: $99,100 - 132,100 per year Requirements:

  • We need at least 7 years of professional experience in network engineering, network security, or security architecture.
  • We require a bachelors degree in Computer Science, Information Technology, Cybersecurity, or equivalent practical experience.
  • We are looking for proven experience designing and implementing enterprise network security architectures.
  • We need hands-on expertise with Palo Alto firewalls, policy administration, and security controls.
  • We require experience with Zero Trust Architecture, network segmentation, and secure network design.
  • We need a strong grasp of routing, switching, TCP/IP, BGP, OSPF, SD-WAN, and related enterprise networking technologies.
  • We require experience with VPN technologies, ZTNA, NAC, or other secure remote access solutions.
  • We need experience supporting security monitoring tools such as IDS/IPS, traffic analysis, or security analytics platforms.
  • Preferred: experience with Zscaler, HPE Aruba EdgeConnect, SASE, or Secure Internet Gateway technologies.
  • Preferred: experience securing hybrid cloud environments.
  • Preferred: knowledge of regulatory, compliance, and risk management frameworks.
  • Preferred: experience with automation tools such as Ansible, Python, or infrastructure-as-code solutions.
  • Preferred: experience conducting security architecture reviews and risk assessments.
  • Preferred: exposure to large-scale global enterprise environments.
  • Preferred: industry certifications such as PCNSE, CCNP Security, CCIE, CISSP, or equivalent.
  • Preferred: experience collaborating with enterprise architecture and cybersecurity leadership teams.
  • Limited travel may be required based on business needs.
  • This role may be remote, hybrid, or office-based depending on business requirements.
  • Ability to participate in extended periods of computer-based work and virtual collaboration sessions.
Responsibilities:
  • We design and implement secure enterprise network architectures across hybrid cloud and on-premises environments.
  • We lead Zero Trust Architecture initiatives, including network segmentation and micro-segmentation strategies.
  • We perform security architecture reviews and provide recommendations that reduce risk and improve resilience.
  • We engineer and optimize firewall and perimeter security solutions, including Palo Alto technologies.
  • We support secure connectivity through Zscaler, HPE Aruba EdgeConnect, Secure Internet Gateway, and web proxy solutions.
  • We design and oversee secure remote access solutions using ZTNA, VPN, and Network Access Control (NAC).
  • We monitor, analyze, and enhance network security through IDS/IPS technologies, traffic analysis, and security analytics platforms.
  • We lead troubleshooting, root cause analysis, and remediation for complex network and security incidents.
Technologies:
  • Ansible
  • Aruba
  • Cloud
  • Firewall
  • Support
  • Network
  • Python
  • Security
  • TCP/IP
  • VPN
  • Web

More:

We are McKesson, an impact-driven Fortune 10 healthcare company focused on making quality care more accessible and affordable through our insights, products, and services. We foster a culture where our people can grow, make an impact, and bring new ideas as we shape the future of health for patients, communities, and our teams. This Senior Network Security Engineer role supports our global enterprise network infrastructure and security transformation efforts, with a base pay range of $99,100 to $132,100 and potential for additional compensation such as annual bonus or long-term incentives, depending on performance, experience, skills, and market factors. We offer opportunities that may be remote, hybrid, or office-based, depending on business needs.

last updated 37 week of 2026

Job Tags

Full time, Work at office, Remote work

Similar Jobs

CSSOW

In-Home and Community Support Workers Job at CSSOW

 ...Job Description Job Description Now Hiring In-Home Support Workers in Everett $24.00 to $25.00 per hour Afternoons, Evenings and...  ...support with daily living needs Follow each client's individual Care Plan Encourage clients to build their own skills and... 

Hunter Super Techs - TurnPoint

Restaurant Server Job at Hunter Super Techs - TurnPoint

 ...allow your passion for food, love of family and hospitality in your heart to create memorable experiences for all of our guests.As a Server, youll play a key role in delivering a best-in-class dining experience. Your responsibility is to be knowledgeable in all aspects... 

LexisNexis

Strategic Legal Solutions Consultant Job at LexisNexis

LexisNexis Legal & Professional seeks a Field Solutions Consultant to educate and support customers, driving usage of our solutions within government agencies. You will build strong relationships, retain and grow revenue, and provide high-quality consultation and leads... 

Bayer Built

Painter/Sprayer Job at Bayer Built

JOB SUMMARY: Check paint, acetone, and catalyst levels daily. Apply paint to doors, frames and misc. product. Maintaining spray equipment and booths. ESSENTIAL FUNCTIONS: Maintain paint levels General spray equipment maintenance Spray painting Quality checks...

Christus Health

Neonatal Nurse Practitioner - NICU Job at Christus Health

 ...Description Job Summary We are seeking an experienced Neonatal Nurse Practitioner to join our Level III NICU team in Shreveport, LA . This position offers the opportunity to work alongside a highly collaborative group of neonatal providers dedicated to delivering...