Mahad  Ilyas
Wednesday 04, Jun 2025

Senior Networking Engineer  

GCS Pvt Ltd

Karachi, - Pakistan - Salary Not disclosed

7 Years Morning Shift Full-Time

Job Details

Category:
Information Technology
Career Level:
Experienced (Non-Managerial)
Experience:
7 Years
Required Qualification:
Bachelors
Requires Traveling:
No
Salary:
Salary Not disclosed
Salary Type:
Per Month
Total Vacancies:
1
Skills
senior network engineercomplexenterprisecisco nexuscatalystfortinetospfmulticastipsecshapingeducationcomputerengineeringfieldnetworkingazurenetwork engineerassociatetrustarchitectureimplementationcloud securitymanagementtoolspythonscriptingautomationhipaanistnetwork architecturefirewalldefenseroutingdesignoptimizationglobal operationscloudnetwork securitynextgeninfrastructuremultisitenetwork infrastructurearchitectnetwork topologiesdynamicrouting protocolseigrpengineerdata centerglobalsecurityinfrastructure architectcisco asacheckpreventionintegrationleadsegmentationmicroalignmentclientplatformstransitconnecttablesgatewaysconnectivitysolutionsdevopsansiblemonitoringdocumentationsnmpnetwork configurationchange managementperformance

Description

Position: Senior Network Engineer

Experience: + years in complex enterprise network environments. Expert-level knowledge of Cisco (Nexus, Catalyst, ASA/Firepower), Palo Alto, Fortinet, or equivalent. Deep understanding of TCP/IP, BGP, OSPF, VRFs, VLANs, NAT/PAT, and multicast. Hands-on experience with VPN technologies (IPSec, SSL, DMVPN), QoS, and traffic shaping.

Education: Bachelor’s degree in Computer Engineering, IT, or related field (or equivalent experience). Certifications: CCNP/CCIE, PCNSE, NSE , JNCIP/IE, AWS Advanced Networking, or Azure Network Engineer Associate. Experience with Zero Trust Architecture (ZTA) implementation. Familiarity with SASE, ZTNA, CASB, and cloud security posture management tools. Python scripting, YAML/JSON for automation pipelines. Experience supporting compliance-driven environments (e.g., PCI-DSS, HIPAA, NIST, FedRAMP).

Position Overview: Were looking for a highly experienced Senior Network Engineer with deep expertise in enterprise network architecture, firewall and perimeter defense, and advanced routing. This role is responsible for the design, implementation, and optimization of scalable, secure, and highly available networks supporting global operations, cloud integrations, and mission-critical applications. You’ll play a strategic role in evolving our network security posture, deploying next-gen technologies, and contributing to infrastructure automation and zero-trust initiatives.

Key Responsibilities:

- Network Architecture & Engineering Design, implement, and maintain large-scale, multi-site network infrastructure (LAN/WAN/MPLS/SD-WAN/DMVPN).

- Architect high-availability network topologies with dynamic routing protocols (BGP, OSPF, EIGRP).

- Engineer Data Center Interconnects (DCI), VXLAN overlays, and spine-leaf architectures.

- Manage and optimize global BGP peering and redundancy strategies with ISPs and cloud providers.

- Firewall & Security Infrastructure Architect and manage enterprise-class firewall systems (Palo Alto, Fortinet, Cisco ASA/Firepower, Check Point).

- Implement and maintain next-gen features: App-ID, Threat Prevention, URL Filtering, IPS/IDS, User-ID integration.

- Lead segmentation and micro segmentation efforts in alignment with zero-trust security models.

- Manage site-to-site and client VPNs with IKEv /IPSec and SSL configurations, including third-party integrations.

- Cloud & Hybrid Networking Integrate on-prem networks with cloud platforms (AWS, Azure, GCP) including VPC peering, Transit Gateway, and ExpressRoute/Direct Connect.

- Deploy and manage cloud-native firewalls, route tables, NAT gateways, and hybrid connectivity solutions.

- Collaborate with DevOps on IaC (Infrastructure as Code) for network automation (Terraform, Ansible). Monitoring, Automation & Optimization Develop and maintain detailed network documentation, topology diagrams, and runbooks.

- Implement network observability using tools like NetFlow, SNMP, Syslog, and packet capture platforms.

- Automate network configuration and change management using Python, Ansible, or RESTful APIs.

- Proactively identify performance bottlenecks, failure points, and security gaps.

Apply at


Job Specification

GCS Pvt Ltd is in search of talented and motivated individuals for the post of Senior Networking Engineer in the field of Information Technology in one of their office located in Karachi - Pakistan. The ideal candidate should have bachelors qualification and atleast 7 years of experience. The position require senior network engineer, complex, enterprise, cisco nexus, catalyst, fortinet, ospf, multicast, ipsec, shaping, education, computer, engineering, field, networking, azure, network engineer, associate, trust, architecture, implementation, cloud security, management, tools, python, scripting, automation, hipaa, nist, network architecture, firewall, defense, routing, design, optimization, global operations, cloud, network security, nextgen, infrastructure, multisite, network infrastructure, architect, network topologies, dynamic, routing protocols, eigrp, engineer, data center, global, security, infrastructure architect, cisco asa, check, prevention, integration, lead, segmentation, micro, alignment, client, platforms, transit, connect, tables, gateways, connectivity, solutions, devops, ansible, monitoring, documentation, snmp, network configuration, change management, performance mandatory skills. This is a Full-Time morning shift job.

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