LAN Security Engineer

About the Company :

Headquartered in California, U.S.A., GSPANN provides consulting and IT services to global clients. We help clients transform how they deliver business value by helping them optimize their IT capabilities, practices, and operations with our experience in retail, high-technology, and manufacturing. With five global delivery centers and 1900+ employees, we provide the intimacy of a boutique consultancy with the capabilities of a large IT services firm.

Role:

Experience:

Work Location:

LAN Security Engineer

Key Responsibilities:

• Firewall Security (PALO ALTO)

Design, deploy, and manage Palo Alto Firewalls (physical and virtual appliances).

Manage and monitor Palo Alto Firewalls including security policies, threat prevention, and

URL filtering.

Maintain and optimize firewall rulesets to ensure both security and network performance.

Maintain and manage Panorama for centralized firewall administration.

Monitor logs and alerts, investigate incidents, and troubleshoot firewall-related issues.

Plan and execute firmware upgrades, high-availability (HA) setups, and DR testing.

• Switching Management (CISCO)

Configure, manage, and troubleshoot enterprise switching infrastructure (Cisco Catalyst

2700/3000/4000/9000 series).

Implement VLANs, STP, VTP, EtherChannel, HSRP/VRRP/GLBP, QoS, ACLs.

Handle advanced L3 routing on switches (OSPF, EIGRP, BGP).

Perform network segmentation, redundancy, and high-availability design.

Support escalations and root cause analysis for complex network issues.

• WIRELESS-WLC & DNAC (CISCO)

Configure, manage, and troubleshoot Cisco Wireless LAN Controllers (WLC) and APs.

Design and implement enterprise WLAN solutions with high availability.

Handle advanced features: RF optimization, mobility, FlexConnect, QoS, and security.

Hands-on with Cisco WLC (5500/9800 series), Prime or DNAC.

Cisco DNAC: Automation workflows, network assurance, inventory management.

Integrate WLC with ISE, DNAC, Firewalls, and wired infrastructure.

Perform root cause analysis for wireless performance, roaming, and authentication issues.

Support escalations and drive wireless infrastructure improvements.

• Security Compliance & Incident Response

Closure of vulnerability and security audits in sync with security Team.

Respond to and investigate network security incidents.

Ensure compliance with security frameworks and regulatory requirements.

• Collaboration & Documentation

Work closely with infrastructure, security, and application teams to deliver secure network

solutions.

Create and maintain technical documentation, network diagrams, and standard operating

procedures.

Technical Expertise in:

• Palo Alto Firewalls: Security profiles, NAT, VPNs, Panorama management.
• Strong understanding of Networking protocols (TCP/IP, BGP, OSPF, EIGRP, VLANs, STP)
• Identity & Access Management
• Minimum 10-15 years of enterprise network on

  7+ years

  of hands-on experience in enterprise network security and managing team.

Relevant certifications preferred:

• Cisco:

  CCNA, CCNP Wireless/Enterprise, CWNA

• Palo Alto:

  PCNSA, PCNSE
• Excellent troubleshooting and problem-solving skills.
• Strong written and verbal communication abilities.

Why choose GSPANN

“We GSPANNians” are at the heart of the technology that we pioneer. We do not service our customers, we co-create.

With the passion to explore solutions to the most challenging business problems, we support and mentor the technologist in everyone who is a part of our team. This translates into innovations that are path-breaking and inspirational for the marquee clients, we co-create a digital future with.

GSPANN is a work environment where you are constantly encouraged to sharpen your abilities and shape your growth path, We support you to become the best version of yourself by feeding your curiosity, providing a nurturing environment, and giving ample opportunities to take ownership, experiment, learn and succeed.

We’re a close-knit family of more than 1400 people that supports one another and celebrates successes, big or small. We work together, socialize together, and actively serve the communities we live in.

We invite you to carry forward the baton of innovation in technology with us.

At GSPANN, we do not service. We Co-create.

Discover your inner technologist -

Accelerate your learning -

Feel included -

Inspire and Be Inspired -

Enjoy Life -

Give Back -

We invite you to carry forward the baton of innovation in technology with us.

Let’s Co-create.