Sr Network Security Engineer (onsite in Halifax NS)

Job Description:

DXC Technology (NYSE: DXC) empowers global companies to operate their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private, and hybrid clouds. Many of the world’s largest companies and public sector organizations trust DXC to deliver exceptional service across the Enterprise Technology Stack, driving performance, competitiveness, and customer experience. Discover more about our commitment to excellence for customers and colleagues at DXC.com.

At DXC, we harness the power of technology to deliver essential IT services that help our clients modernize operations and drive innovation across their entire IT infrastructure. Our services span the Enterprise Technology Stack and include business process outsourcing, insurance, analytics and engineering, applications, security, cloud, IT outsourcing, and modern workplace solutions

Work Location:This position requires working onsite in Halifax NS

The ZTNA, Firewall, WAF and Micro-Segmentation Support Engineer will be responsible for designing, implementing, and supporting advanced network security solutions for our clients. The ideal candidate will have a strong background in network security, excellent troubleshooting skills, and a passion for delivering exceptional client support.

Key Responsibilities:

Design and Implementation:

• Deploy and configure Zscaler ZTNA solutions, including ZIA (Internet Access) and ZPA (Private Access), to enforce Zero Trust security policies.
• Implement and manage Next Gen Firewalls. Palo Alto Networks firewalls, including next-generation firewall (NGFW) features, threat prevention, and Panorama for centralized management.
• Configure and maintain Web Application Firewalls (WAF) to protect client applications from threats like SQL injection, XSS, and DDoS attacks.
• Design and deploy Appgate SDP (Software-Defined Perimeter) solutions for micro-segmentation and secure access control.

Support and Troubleshooting:

• Provide Tier 2/3 support for Zscaler, Palo Alto, and Appgate platforms, resolving complex technical issues promptly.
• Monitor and analyze network traffic, security logs, and performance metrics to identify and mitigate potential misconfigurations.
• Troubleshoot connectivity, policy enforcement, and application access issues across hybrid and cloud environments.
• Work in a 24/7 on call rotation

Optimization and Maintenance:

• Optimize firewall rules, ZTNA policies, and micro-segmentation configurations to enhance performance and security.
• Perform regular updates and patch management on supported platforms.

Client Interaction:

• Collaborate with clients to understand their security requirements and provide tailored solutions.
• Deliver required documentation to clients.
• Participate in client meetings to present technical solutions, reports, and recommendations.

Documentation and Reporting:

• Maintain detailed documentation of configurations, processes, and incident resolutions.
• Generate reports on operational incidents, system performance, and compliance for internal and client use.

Qualifications:

Experience:

• 3+ years of hands-on experience with Zscaler (ZIA, ZPA) for ZTNA implementation and support.
• 3+ years of experience configuring and managing Palo Alto Networks firewalls (NGFW, Panorama, Prisma Access).
• 2+ years of experience with Appgate SDP or similar micro-segmentation technologies.
• Proven experience with WAF solutions (e.g., Imperva, AWS WAF, or Palo Alto Prisma Cloud).
• Experience in a Managed Service Provider (MSP) or enterprise environment is highly desirable.

Technical Skills:

• Deep understanding of Zero Trust security principles and micro-segmentation strategies.
• Proficiency in Palo Alto firewall features (e.g., App-ID, User-ID, URL filtering, WildFire).
• Strong knowledge of networking protocols (TCP/IP, DNS, VPN, BGP, SSL/TLS).
• Familiarity with cloud environments (AWS, Azure, GCP) and hybrid network architectures.

Certifications (Preferred):

• Zscaler Certified Cloud Professional (ZCCP) or Zscaler Certified Cloud Administrator (ZCCA).
• Palo Alto Networks Certified Network Security Engineer (PCNSE).
• Appgate SDP Administrator or equivalent certification.
• Other relevant certifications (e.g., CCNP Security, CISSP, AWS Certified Security).

Soft Skills:

• Excellent problem-solving and analytical skills.
• Strong communication skills, with the ability to explain complex technical concepts to non-technical stakeholders.
• Ability to work independently and in a team-oriented, fast-paced environment.
• Strong customer service mindset with a focus on client satisfaction.

Education:

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field (or equivalent experience).

DXC is an equal opportunity employer. We welcome the many dimensions of diversity. Accommodation of special needs for qualified candidates may be considered within the framework of the DXC Accommodation Policy.

In addition, DXC Technology is committed to working with and providing reasonable accommodation to qualified individuals with physical and mental disabilities. If you need assistance in filling out the employment application or require a reasonable accommodation while seeking employment, please e-mail AODA Canada Requests.

Note: This option is reserved for applicants needing a reasonable accommodation related to a disability.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here.