Network L3 Administrator Engineer

Position Description:

Position Description
Company Profile:
Founded in 1976 CGI is among the largest independent IT and business consulting services firms in the world. With 94000 consultants and professionals across the globe CGI delivers an end-to-end portfolio of capabilities from strategic IT and business consulting to systems integration managed IT and business process services and intellectual property solutions. CGI works with clients through a local relationship model complemented by a global delivery network that helps clients digitally transform their organizations and accelerate results. CGI Fiscal 2024 reported revenue is CA$14.68 billion and CGI shares are listed on the TSX (GIB.A) and the NYSE (GIB). Learn more at
Job Title: Network L3 Administrator / Engineer
Position: Network L3 Administrator / Engineer
Experience: 7 yrs
Category: IT Infrastructure
Main location: Bangalore
Position ID: J1225-2111
Employment Type: Full Time
Qualification: Bachelors degree in Computer Science or related field or higher with minimum 3 years of relevant experience.
Network L3 Administrator / Engineer
Role Overview
The Network L3 Administrator is responsible for advanced management troubleshooting and optimization of enterprise network infrastructure. This includes switches routers firewalls WAN/LAN links and related technologies. The role requires deep expertise in networking strong problem solving skills and the ability to resolve complex issues independently while supporting enterprise scale deployments.
Key Responsibilities
- Manage and maintain enterprise network infrastructure (switches routers firewalls WAN/LAN links).
- Provide L3 support for escalated incidents ensuring timely resolution of complex network issues.
- Configure and optimize routing protocols (OSPF BGP EIGRP) and switching technologies (VLANs STP trunking).
- Administer and secure firewalls (Cisco ASA Palo Alto Fortinet Check Point).
- Perform patching upgrades and configuration management across network devices.
- Conduct performance tuning capacity planning and bandwidth optimization.
- Implement network security policies VPNs and intrusion prevention systems.
- Automate routine tasks using Python Ansible or other scripting tools.
- Collaborate with infrastructure server and security teams to ensure seamless delivery of network services.
- Lead root cause analysis for critical incidents and document resolutions.
- Maintain knowledge base and documentation for configurations processes and troubleshooting guides.
Required Skills & Experience
- 712 years of experience in network administration with strong L3 expertise.
- Hands on experience with Cisco Juniper HP or Arista switches and routers.
- Strong knowledge of firewall administration (Cisco ASA Palo Alto Fortinet Check Point).
- Expertise in routing protocols switching technologies and WAN optimization.
- Experience with VPNs MPLS SD WAN and load balancers.
- Familiarity with network monitoring tools (SolarWinds Nagios PRTG).
- Proficiency in network automation and scripting (Python Ansible).
- Solid understanding of network security IDS/IPS and compliance standards.
- Ability to lead critical incident resolution and mentor junior administrators.
Preferred Qualifications
- Certifications: CCNP CCIE JNCIP PCNSE NSE CISSP (for security focus).
- Experience with cloud networking (AWS Azure GCP).
- Exposure to SDN (Software Defined Networking) and network virtualization (NSX ACI).
- Knowledge of ITIL processes for incident problem and change management.

Behavioural Competencies :
Proven experience of delivering process efficiencies and improvements
Clear and fluent English (both verbal and written)
Ability to build and maintain efficient working relationships with remote teams
Demonstrate ability to take ownership of and accountability for relevant products and services
Ability to plan prioritize and complete your own work whilst remaining a team player
Willingness to engage with and work in other technologies

CGI is an equal opportunity addition CGI is committed to providing accommodations for people with disabilities in accordance with provincial legislation. Please let us know if you require a reasonable accommodation due to a disability during any aspect of the recruitment process and we will work with you to address your needs.
Life at CGI:
It is rooted in ownership teamwork respect and belonging. Here youll reach your full potential because
You are invited to be an owner from day 1 as we work together to bring our Dream to life. Thats why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our companys strategy and direction
Your work creates value. Youll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas embrace new opportunities and benefit from expansive industry and technology expertise
Youll shape your career by joining a company built to grow and last. Youll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons
Come join our team one of the largest IT and business consulting services firms in the world

Skills:

• Incident Management
• Firewalls
• Network Administration
• Switches

What you can expect from us:

Together as owners lets turn meaningful insights into action.

Life at CGI is rooted in ownership teamwork respect and belonging. Here youll reach your full potential because

You are invited to be an owner from day 1 as we work together to bring our Dream to life. Thats why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our companys strategy and direction.

Your work creates value. Youll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas embrace new opportunities and benefit from expansive industry and technology expertise.

Youll shape your career by joining a company built to grow and last. Youll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our teamone of the largest IT and business consulting services firms in the world.