Network Software Engineer / Network Security Engineer @ Calsoft

Job Description

Job Title: Network Software Engineer / Network Security Engineer
Company: Calsoft Inc.
Location: Bengaluru / Kolkata / Pune / Indore
Experience: 5+ Years
Contact: ga********v@ca*******c.com

Job Description

Calsoft Inc. is hiring highly skilled Network Software Engineers with strong expertise in Data Path / Control Plane / Network Security development. If you have a passion for building high-performance networking systems, we want to meet you!

Roles & Responsibilities

• Design and develop networking software, including datapath, control plane, and related infrastructure.
  
• OR work on advanced network security features such as firewall, IDS/IPS, SSL proxy, DPI, and URL filtering.
  
• Develop and optimize packet-processing pipelines using Network ASIC, VPP, DPDK, or Linux Kernel.
  
• Debug and troubleshoot datapath performance issues (must-have).
  
• Integrate and enhance open-source components and third-party networking frameworks.
  
• Collaborate with global teams across multiple time zones.
  
• Work independently with high-level technical guidance.
  

Required Skills

• Strong experience in SD-WAN features: IPsec, Stateful/Zone-based Firewall, Secure Web Gateway, VPN, QoS.
  
• Experience with DPI, VPN, QoS, and enterprise/datacenter networking.
  
• Integration experience with security providers such as Zscaler or Palo Alto Cloud NGFW.
  
• Proficiency in C, C++, or Golang with the ability to write highly optimized code.
  
• Exposure to cloud-native technologies like Kubernetes, Docker, GRPC, message bus, or distributed systems (preferred).
  

Mandatory Skills

C / C++ / Golang
Data Path / Data Plane / Control Plane

How to Apply

Send your updated CV to ga********v@ca*******c.com

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Rs 0 - 50K PM Rs 50K - 1 LPA Rs 1.0 - 1.5 LPA Rs 1.5 - 2.0 LPA Rs 2.0 - 2.5 LPA Rs 2.5 - 3.0 LPA Rs 3.0 - 3.5 LPA Rs 3.5 - 4.0 LPA Rs 4.0 - 4.5 LPA Rs 4.5 - 5.0 LPA Rs 5 - 6 LPA Rs 6 - 7 LPA Rs 7 - 8 LPA Rs 8 - 9 LPA Rs 9 - 10 LPA Rs 10 - 12 LPA Rs 12 - 14 LPA Rs 14 - 16 LPA Rs 16 - 18 LPA Rs 18 - 20 LPA Rs 20 - 22 LPA Rs 22 - 24 LPA Rs 24 - 26 LPA Rs 26 - 28 LPA Rs 28 - 30 LPA Rs 30 - 32 LPA Rs 32 - 34 LPA Rs 34 - 36 LPA Rs 36 - 38 LPA Rs 38 - 40 LPA Rs 40 - 42 LPA Rs 42 - 44 LPA Rs 44 - 46 LPA Rs 46 - 48 LPA Rs 48 - 50 LPA Rs 50 - 75 LPA Rs 75 Lakh - 1C PA Rs 1 Crore+ PA

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Keyskills:   c++ Linux data path C Programming Language cantrol Golang Dpdk Data Plane