Senior Infrastructure Security Engineer Riyadh,Saudi Arabia
3M DATA is a leading Saudi technology systems integrator delivering advanced, secure, and scalable digital infrastructure, cybersecurity, cloud, and AI-driven solutions. As part of our continued expansion, we are strengthening our cybersecurity engineering team to support enterprise, government, financial, and mega-project clients aligned with Saudi Vision 2030.
Role Overview
We are seeking a highly skilled Senior Infrastructure Security Engineer with deep expertise in Palo Alto Networks security technologies (NGFW, Panorama, Prisma Access, Prisma Cloud, Cortex) and strong multi-vendor experience across Fortinet, Cisco, and Juniper firewalls.
You will lead the design, deployment, optimization, and support of mission-critical security infrastructures across the Kingdom.
Key Responsibilities
As a Senior Infrastructure Security Engineer at 3M DATA, you will:
Firewall, Cloud & Secure Access Technologies
- Design, implement, and optimize firewall architectures using: Palo Alto NGFW, Panorama, GlobalProtect VPN, WildFire, Threat Prevention, URL Filtering, DNS Security.
- Deploy and support Palo Alto Prisma Access (cloud-delivered security, ZTNA, SWG, CASB).
- Support Prisma Cloud for CNAPP, workload protection, container security, and cloud posture.
- Implement ADEM (Autonomous Digital Experience Management) for end-to-end performance visibility.
Infrastructure & Security Engineering
- Design secure network perimeters, segmentation, and Zero Trust architectures.
- Lead high-level troubleshooting, packet analysis, rule-base optimization, and security hardening.
- Configure advanced features: HA clusters, SSL decryption, IPS/IDS, NAT, App-ID, User-ID, content security.
- Execute firewall migrations, policy redesigns, and multi-site security rollouts.
Compliance, Documentation & Collaboration
- Ensure solutions comply with NCA ECC, SAMA, ISO 27001, and internal security standards.
- Prepare HLDs, LLDs, runbooks, and operational guides for client environments.
- Integrate security platforms with SIEM/SOAR solutions (Splunk, QRadar, Azure Sentinel).
- Work closely with SOC, network, cloud, and project teams across enterprise and government projects.
- Mentor junior engineers and support technical enablement within 3M DATA.
What We're Looking For
- 10+ years of hands-on experience in infrastructure and security engineering.
- Strong experience with Palo Alto NGFW, Panorama, GlobalProtect (PCNSE highly preferred).
- Hands-on experience with Fortinet (FG/FAZ/FMGR), Cisco ASA/FTD, FMC, and Juniper SRX.
- Strong understanding of routing/switching: BGP, OSPF, EIGRP, VLANs, VRF, and network segmentation.
- Experience designing and securing enterprise and hybrid cloud environments.
- Prepare detailed documentation including high-level, low-level, migration plans and as-built designs (proficiency in Microsoft Visio required).
- Deliver remote and on-site support during testing, pilot, and production deployment phases.
- Analyze client infrastructure requirements and develop tailored deployment procedures.
- Work independently on assigned tasks with minimal supervision.
- Ensure all projects are delivered on time, within scope, and to quality standards.
- Strong analytical, communication, and documentation skills.
- Ability to lead projects and coordinate with cross-functional engineering teams.
Preferred Qualifications
- Bachelor's degree in Computer Science, IT, or related field (or equivalent work experience).
- Proven experience as a Senior Security Engineer, with a focus on security implementation and migrations.
- PCNSE (Palo Alto Certified Network Security Engineer)
- Fortinet NSE4NSE7
- Cisco CCNP/CCIE Security
- Juniper JNCIS/JNCIP Security
- Security+, CISSP (advantage)
At 3M DATA, you will work on high-impact national infrastructure, contribute to Vision 2030 transformation projects, and engage with next-generation cybersecurity technologies such as Prisma, Cortex, and AI-driven platforms.
You will also have a clear growth path toward Security Technical Lead or Security Practice Lead roles within the organization.
Apply Now
Are you passionate about cutting-edge cybersecurity and ready to shape the digital future of Saudi Arabia
Send your CV to: [Confidential Information]
Join us and be part of a team building the next generation of secure digital infrastructure in the Middle East.
