3+ Firewall administration Jobs in Bangalore (Bengaluru) | Firewall administration Job openings in Bangalore (Bengaluru)

Job Summary:

We are seeking a highly skilled and motivated Senior Administrator - Network & Security to join our team. This role demands a dynamic individual capable of designing, implementing, and maintaining robust network and security infrastructure for a global enterprise. The ideal candidate will possess in-depth technical expertise, exceptional problem-solving skills, and the ability to lead projects while collaborating with cross functional teams in a fast-paced environment.

Key Responsibilities

• Network Design & Implementation:

Design and implement secure network solutions tailored to enterprise needs.

Plan, document, and execute network changes and extensions.

Create and maintain corporate network architecture (LAN/WAN/WLAN/SECURITY).

Configure and manage routing protocols, including OSPF, EIGRP, and BGP.

Implement and manage VTP, VLAN, VPN, and IPSEC configurations.

Configure and maintain HSRP, DHCP, QoS, and ACLs on Cisco devices.

• Network Operations & Troubleshooting:

Operate and maintain Cisco L2/L3 switches, routers (including Nexus 9K), and Meraki wireless networks.

Monitor and troubleshoot network performance, ensuring minimal downtime.

Perform root cause analysis (RCA) and resolve network/security issues within SLA.

Define, monitor, and report KPIs for network services and devices.

• Security Management:

Operate, monitor, and configure Cisco ASA, FortiGate, and Palo Alto firewalls (including Panorama management).

Utilize Cisco Identity Services Engine (ISE) for advanced security.

Orchestrate firewall rules and underlying security configurations.

Conduct audits and improvements to meet and exceed security standards.

Design disaster recovery plans with a focus on operational security.

• Leadership & Collaboration:

Act as a project leader for network-related initiatives.

Collaborate with stakeholders and service providers to meet organizational goals

Provide mentorship and next-level support for network-related issues.

Support international deployments and manage proof of concepts or feasibility studies.

Required Qualifications:

Minimum 8 years of professional experience in networking and security roles.

Strong communication skills for interaction with stakeholders and cross functional teams.

Expertise in enterprise network design, implementation, and operations

Proven ability to handle complex issues and resolve them within tight deadlines.

Preferred Skills & Certifications:

CCNA/CCNP (mandatory)

PCNSA/PCNSE (preferred)

Technical Expertise:

Hands-on experience with SDWAN technology and network automation.

Proficiency in Aruba wireless networking.

Familiarity with VPN technologies and enterprise-grade security solutions.

Work Environment & Requirements

Five-day, on-site work schedule.

Willingness to work in shifts, including 24x7x365 support with on-call availability during weekends.

Flexibility to travel and support global infrastructure initiatives.

Soft Skills Independent, goal-oriented, and self-motivated.

Strong analytical and technical writing skills.

Excellent team player with the ability to collaborate across departments.

High-risk awareness and accuracy in execution.

Language Skills

Proficiency in English (oral and written)

• Infrastructure support and escalation management
• Effective management of infrastructure
• Proactive maintenance of Infrastructure at branches and HO
• Timely closure of tickets with in SLA

• Maintaining 100% uptime of Network.
• Proactive monitoring maintenance of network and Internet bandwidth

• Maintaining the working condition of the IT assets.
• Preparing the IT assets for the new joinees in a timely and effective manner.

• On-time execution of assigned projects;
• Proper utilization of the existing and newly added infra tools and assets. i.e EPM, Antivirus, etc.

• Ensure the regular Security measures are taken on the infrastructure.
• Ensure the process adherence as per IT Policies

• 3 + years of overall experience in IT Infrastructure domain.
• Degree in Computer Sciences / IT or equivalent

• Keen interest in experimenting with new Technology/gadgets/systems
• Should take the responsibility for Infrastructure needs and fulfill the same
• Should be a great team player and a good manager
• A great multitasker who should be able to work in a demanding environment
• Should be well connected with the vendor community
• Strong written and oral communication and interpersonal skills
• Must have a go-getter attitude.
• High social responsibility & Integrity
• Compliance twitho policies, rules, and regulations
• Belief in Teamwork & Effective leadership

• Good Knowledge on the end point infra support and server support
• Good Knowledge on IT security
• Linux, Windows OS knowledge
• Good knowledge on Networking and network security

• Escalation handling
• Vendor management
• Good Decision making skill