Senior Network Architect

Oivan Group Oy; Riyadh; On-site; SAR 240,000 - 480,000; Full time

Job summary

Oivan Group Oy seeks a Senior Network Security Consultant to lead design, implementation, and management of enterprise security projects in client environments. You will guide a team of network engineers, conduct comprehensive assessments, and deliver clear documentation and executive-level presentations.

The role requires hands-on expertise with firewalls, WAFs, and IDS/IPS, and familiarity with NCA ECC, ISO 27001, and NIST.

Qualifications

• 9+ years of hands-on experience in network and security engineering or consulting.
• Proven experience in a technical leadership role, mentoring engineers on complex projects.
• Strong knowledge of enterprise networking (TCP/IP, routing, switching) and security architecture.
• Hands-on experience with leading security technologies including Fortinet, Palo Alto, Cisco ASA, WAFs and IDS/IPS.
• Familiarity with NCA ECC, ISO 27001, and NIST standards.

Responsibilities

• Lead design, implementation, and management of network and security solutions for enterprise environments.
• Act as the technical lead for a team of network engineers, providing guidance and oversight.
• Conduct comprehensive network and security assessments and remediation planning.
• Engage with clients to understand business needs and manage stakeholder expectations.
• Develop technical documentation, diagrams, and executive presentations.
• Deploy and troubleshoot a wide range of network security appliances and tools.
• Ensure compliance with relevant standards and regulatory requirements.
• Support continuous improvement of Oivan’s cybersecurity services.

Skills

Network security

Technical leadership

Client interaction

Documentation

Education

Bachelor’s or Master’s degree in CS or InfoSec

Tools

Fortinet

Palo Alto

Cisco ASA

WAFs (F5/Imperva)

IDS/IPS

Job description

What We Need

Oivan is seeking a highly skilled and experienced Senior Network Security Consultant to
lead and deliver network security projects for our enterprise clients. The ideal candidate
will possess strong technical expertise in network and security infrastructure, combined
with proven leadership abilities and excellent customer-facing skills. The role requires
the ability to work independently to provide expert consultation and support.

What You Do

• Lead the design, implementation, and management of network and security solutions for enterprise environments, ensuring alignment with client requirements and industry best practices.
• Act as the technical lead for a team of network engineers, providing guidance, mentoring, and oversight on project delivery.
• Conduct comprehensive network and security assessments, identify vulnerabilities and compliance gaps, and develop robust remediation strategies.
• Engage directly with clients to understand their business needs, provide expert advisory services, and manage stakeholder expectations throughout the project lifecycle.
• Develop and deliver clear and concise technical documentation, including network diagrams, assessment reports, and executive-level presentations.
• Deploy, configure, and troubleshoot a wide range of network security appliances and tools, such as firewalls (Palo Alto, Fortinet, Cisco), WAFs, and VPNs.
• Ensure all solutions comply with relevant security standards and regulatory requirements, such as NCA, ISO 27001, and CIS Controls.
• Work independently on complex technical challenges, demonstrating a systematic approach to problem-solving and debugging.
• Support the continuous improvement of Oivan’s cybersecurity service offerings and methodologies.

What You Have

• Experience:9+ years of hands-on experience in network and security engineering or consulting.
• Leadership:Proven experience in a technical leadership role, with the ability to manage and mentor a team of engineers on complex projects.
• Technical Expertise:
  • Strong knowledge of enterprise networking (TCP/IP, routing, switching) and security architecture (network segmentation, DMZ).
  • Hands-on experience with leading security technologies, including firewalls (e.g., Fortinet, Palo Alto, Cisco ASA), WAFs (e.g., F5, Imperva), and IDS/IPS systems.
  • Familiarity with security standards and frameworks such as NCA ECC, ISO 27001, and NIST.
• Customer Skills:Excellent communication, presentation, and stakeholder management skills, with the ability to work effectively in a client-facing role.
• Independence:Ability to work independently, manage priorities, and deliver high-quality results with minimal supervision.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Information Security, or a related field.
• Relevant professional certifications are highly desirable, such as CISSP, CISM, CCNP Security, or vendor-specific credentials (e.g., Fortinet NSE, Palo Alto PCNSE).

What We Offer

Who We Are

Who We Are
Oivan is a digital engineering, AI, cloud, and cybersecurity services company. We help governments, giga-projects, and large enterprises build, modernize, operate, and secure mission-critical digital services. Our mission is to build intelligent digital platforms that matter — then help our clients run and improve them at scale.
We combine Nordic engineering standards with deep regional commitment, with our operational headquarters in Riyadh and delivery teams across the Middle East, Europe, and Asia-Pacific. Our clients come to