
Senior Infrastructure and Network Security Engineer
Views: 29
Posted: 2026-07-16
Expires: 2026-07-30
ExpiredHiring: Senior Infrastructure and Network Security Engineer
๐ Location: Islamabad | Onsite
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Switch Communications is looking for an experienced Senior Infrastructure & Network Security Engineer to manage the organizationโs IT infrastructure, network, and security environment. This is a hands-on technical leadership role responsible for ensuring system availability, performance, scalability, and security, while also leading and developing the IT team.
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- Lead and develop the IT & Infrastructure team through performance management and technical guidance.
- Manage server infrastructure across production environments.
- Administer firewalls, VPNs, and security controls.
- Manage SIEM monitoring, alerts, and incident investigations.
- Implement and enforce IT security policies.
- Conduct regular firewall and security audits to ensure compliance.
- Manage Linux and Windows servers, including patching & hardening.
- Administer virtualization platforms such as Proxmox VE or VMware ESXi.
- Manage network infrastructure including switches, VLANs, Wi-Fi, and ISP connectivity.
- Design and maintain secure VPN solutions for site-to-site and remote access.
- Oversee Microsoft 365, DNS, domain management, SSL certificates, and cloud services.
- Lead infrastructure and cybersecurity incident response.
- Maintain technical documentation, SOPs, and network diagrams.
- Report monthly infrastructure and security KPIs to management.
๐๐๐ช๐ฎ๐ข๐ซ๐๐ฆ๐๐ง๐ญ๐ฌ
- Bachelorโs degree in Computer Science, IT, Cybersecurity, or related field.
- 3โ5 years of hands-on experience in IT Infrastructure and Network Security.
- Strong experience in enterprise firewall administration (FortiGate or equivalent), IPS, application control, SSL inspection, and log analysis.
- Experience with Cisco ASA, pfSense, or similar firewalls, including NAT, VPN, and multi-WAN setups.
- Experience with SIEM tools (e.g., Wazuh), including deployment, monitoring, rule tuning, and incident response.
- Strong Linux system administration experience in production environments.
- Experience managing virtualization platforms (Proxmox VE or VMware ESXi).
- Strong understanding of network security principles, segmentation, access control, and threat detection.
- Experience with IPsec VPNs and secure remote access solutions.
- Microsoft 365 administration experience (Exchange Online, Azure AD, Conditional Access, Microsoft Defender).
- Experience with DNS management, Cloudflare/CDNs, and web security tools.
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- Fortinet NSE 4 or higher certification.
- CCNA Security, CCNP Security, or CompTIA Security+.
- Wazuh certification or SIEM training.
- Experience in telecom, ISP, or high-availability environments.
- Experience with vulnerability assessment and security scanning tools.
- VMware VCP or Proxmox certification.
๐ฉ To apply: Send your CV to careers@switch.com.pk with the subject line โSenior Infrastructure and Network Security Engineerโ.
๐ Islamabad@Switch Communications#Senior Infrastructure and Network Security Engineer๐งณ Experienced Required