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Alter Domus
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Network & Security Senior Engineer I

Network & Security Senior Engineer I

Alter Domus

5 - 10 years

4 - 8 Lacs

hyderabad

Posted:None| Platform:

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Skills Required

wan vpn information security lan dns voip network security cisco mpls firewall

Work Mode

Work from Office

Job Type

Full Time

Job Description

Network Security Design:
Develop and implement security architectures and solutions to safeguard the organization's network.
Monitoring and Analysis:
Continuously monitor network traffic and security alerts to identify and respond to potential threats.
Standards Development:
Create and maintain security standards, procedures, and documentation to ensure compliance with company policy and regulations.
Collaboration:
Work closely with IT teams to integrate security measures into network infrastructure and applications.
Research and Development:
Stay updated on the latest security trends, threats, and technologies to enhance the organization's security posture.

Managing Zscaler configuration and undertake rules review to optimize rules being mindful of user experience (e.g., allow rulesets to be permissive enough, yet secure)
Deploying a centralized Web Application Firewall solution across organization s mission critical sites

Support DNS CNAME changes for rollout
Manage site SSL certificates
Undertake Layer 3-4 WAF rules tuning and collaborate with AppSec team for Layer 7 rules tuning

Securing network system by enforcing security policies, performing configuration review/audit, defining and monitoring access:

Design and optimize firewall rule sets for improved security, performance, and compliance.
Perform risk assessments and firewall audits to ensure adherence to network security best practices.
Analyze technical issues and making recommendations for corrective action.

Work with the Network Operations team to collaborate on the following:

Maintaining data networks (Cisco, Dell), Wi-Fi networks (Cisco WLC), next generation firewalls (Check Point).
Infrastructure monitoring and proactive optimization to improve network reliability and performance.
Troubleshooting network incidents and problems. Maintaining SLAs by effectively prioritizing and managing issues.
Coordinating field engineers, vendors and third parties to facilitate and speed up problem resolution.
Day to day user access request review and implementation (Check Point, Zscaler).
Create and maintain detailed network documentation and diagrams.

Your profile:

Bachelor s degree in computer science, Information Security, or related professional experience.

5+ years of hands-on experience as a Network Security Engineer
Strong TCP/IP network and security fundamentals. CCNP certified or equivalent experience level. Additional certifications such as Network+, Security+, and Cloud certifications are also desired.
Cross platform knowledge and experience to design, configure and troubleshoot WAN/LAN/WLAN technologies in an enterprise environment. Knowledge of advanced services and protocols: high availability, load-balancing, BGP, MPLS, SD-WAN, VoIP.
Hands on experience in implementing and managing next generation firewalls. Ability to implement and troubleshoot Firewall policies and IPsec VPNs.
Experience with Cisco ISE, WLC.
Knowledge of proxy solutions/web filtering such as Zscaler, end-user VPN solutions. Strong preference to Check Point skills, certification is a plus.
Familiarity with Zero Trust architectures and SASE frameworks.
Be familiar with Microsoft Windows Technologies, O365, virtualization technologies
Being familiar with service ticket management and associated workflows.
Strong attention to detail and ability to stay always organized while working in a dynamic environment wearing both a Security and Operations Hat.

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