Network Security Engineer

Full Time
  • Full Time
  • India

Website CosMicIT CosMic IT

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Hello Everyone,

We at #CosMicIT are looking for a #Network Security Engineer

Locations: India ( Remote )

IT Experience (in years): 10+ Years 

Job Description :

Must have Skills:

  • Degree in Computer Science/ Engineering, Information Technology, or another relevant certification path
  • Capable of describing in detail, maintaining and troubleshooting Security technologies in the scope of end-to-end secure corporate communications
  • Hands-on experience implementing, administering, monitoring, managing, and troubleshooting complex security environments
  • Strong knowledge of routing protocols, including BGP, routing protocols and NAT.
  • Strong knowledge with Cisco Firewalls (Firepower, ASA) under orchestrators management (FMC, CSM).
  • Operational knowledge with DDI technologies, including DNS, DHCP, IPAM
  • Solid understanding of network security principles and practices, DOT1X, MAB, Port security and Cisco ISE.
  • Experience using standard enterprise tools to log, track, or produce documentation
  • Good communication skills in English, both written and spoken
  • Able to work autonomously in task execution or collaboratively in a multidisciplinary team environment

Nice to have skills:

  • Experience with Cisco campus portfolio
  • Strong knowledge of switching protocols, including Ethernet, VLANs, Spanning Tree Protocol (STP), and LAN segmentation techniques.
  • Operational knowledge with Cisco wireless technologies, including Cisco WLC and vWLC controllers
  • Operational knowledge of SDWAN and SASE technologies
  • Experience with network monitoring tools and troubleshooting methodologies, including packet capture, port mirror, CLI techniques
  • CCNP, CCIE or other industry certifications
  • Working knowledge of automation and network-as-code

Key activities & role during transition:

  • Implement, and maintain network firewalls across multiple locations and within each single site
  • Support the setup and roll-out of monitoring and management solutions
  • Support the hardware evolution from CSM+ASA >> FMC+Firepower
  • Document network architecture, protocols and features
  • Configure and troubleshoot network devices and/or communication services and business applications in incident response
  • Perform network capacity and capability assessments, monitor network performance, and implement necessary lifecycle upgrades

Key tasks and responsibilities for regular operations:

  • Fully operate network firewalls across multiple locations and within each single site, ensuring high availability and optimal performance in a user-centric service quality perspective
  • Develop and maintain network documentation, diagrams, and standard operating procedures for firewall infrastructure
  • Implement and maintain network security measures to safeguard infrastructure from potential threats or vulnerabilities
  • Conduct regular network assessments, audits, and service quality evaluations
  • Support regular business demands and associated changes safeguarding continuous operations while focused on business intent
  • Provide technical support to other IT support teams, assisting in troubleshooting complex network issues
  • Contribute positively in evolution, improvement or optimization opportunities, in close proximity to Network and Security peers
  • Stay updated of emerging technologies, industry trends, and best practices in network security for continuous improvement

If any of these openings sound familiar to you or any of your known networks, please share the resume/CV to

Any references would also be accepted.


CosMicIT GmbH, Germany 🇩🇪

CosMicIT Informatics India Pvt Ltd. 🇮🇳

CosMicIT Spolka Z Ograniczona Odpowiedzialnoscia, Poland |

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