Network Security Architect

Company Description Bosch Global Software Technologies Private Limited is a 100% owned subsidiary of Robert Bosch GmbH, one of the world's leading global supplier of technology and services, offering end-to-end Engineering, IT and Business Solutions. With over 27,000+ associates, it’s the largest software development center of Bosch, outside Germany, indicating that it is the Technology Powerhouse of Bosch in India with a global footprint and presence in the US, Europe and the Asia Pacific region. Job Description Roles & Responsibilities : We are seeking a Network Security Architect with a world-class foundation in Core Networking (Layer 2/3) and Secure Site-to-Site Connectivity who would be working on customer products/projects Key Responsibilities • Represent OT network architecture with security and compliance, Connectivity architecture design and decision making • Define reference architectures standards and design frameworks for different OT networks • Responsible for designing, implementing, and governing secure, resilient, and scalable OT network architectures across industrial/manufacturing environments. • Develop HLD/LLD, network diagrams, IP addressing schemes, routing and firewall policies, and architecture standards • Analyze different products from OEMs and make the right decisions that fits with technical and commercial aspects • Lead Zero Trust adoption for OT environments (ZPA/ZIA, Cisco ZTA) • Drive architecture for multi-site, multi-region deployments • Define resiliency, redundancy, and failover strategies • Lead architecture reviews with Product, Cybersecurity, and Compliance • Influence vendor selection, technology standards, and long-term roadmaps • Work with cybersecurity teams on IDS/IPS, network monitoring, NAC, vulnerability management, and secure remote access. • Coordinate with enterprise IT Network teams for IT/OT convergence and secure remote access. Qualifications SKILLS Needed: First preference: Juniper devices ; Second preference: Cisco devices · Networking (L2/L3): Switching, STP, VLANs, BGP, OSPF, VRF, routing protocols · Firewall & Security: Cisco ASA / FTD / FMC, DMZ, Context design, segmentation · Zero Trust: ZPA / ZIA / Cisco ZTA, MFA, privileged access · Cloud — AWS (Mandatory): VPC, EC2, Transit Gateway, Direct Connect, virtual firewall · Enterprise proxy solutions : Hands-on experience with (SOCKS5, Squid, HAProxy, NGINX, Zscaler, Blue Coat, or F5) for secure traffic forwarding and access control · Standards (Awareness): IEC 62443, NIST CSF, ISO 27001, Purdue Model · Certifications (Preferred): CCNP / CCIE, AWS Advanced Networking, CISSP MUST-HAVE REQUIREMENTS • Layer 2 / Layer 3 Networking — VLANs, STP, BGP, OSPF, VRF — must have designed in real environments, hands-on configuration experience on Cisco devices (Switches/Routers/Firewalls) • Firewall Architecture — Hands-on Cisco ASA / FTD / FMC, DMZ, Context and segmentation design • Zero Trust — Replaced VPN with ZTA, experience with Zscaler or Cisco ZTA • AWS Cloud Networking — VPC, EC2, Transit Gateway, Direct Connect, Security Groups, virtual firewall on EC2 — mandatory, not optional • Standards Awareness — Knows IEC 62443, NIST CSF, ISO 27001, Purdue Model at a conceptual level — does not need deep implementation experience CLOUD NETWORKING DETAIL Candidate must have hands-on AWS experience. Azure or GCP knowledge is a bonus but AWS is required. • VPC & Subnets — Design public/private subnets, route tables, internet gateway, NAT gateway • EC2 — Launch and configure instances, assign ENIs, Elastic IPs, IAM roles, Auto Scaling • Virtual Firewall on EC2 — Deploy Cisco FTDv, Palo Alto VM-Series, or FortiGate as EC2 instances • Virtual Router on EC2 — Deploy software routers (Cisco CSR 1000V / VyOS), BGP peering in AWS • Connectivity — Direct Connect, Site-to-Site VPN, Transit Gateway for hybrid and multi-site • Security — Security Groups, NACLs, AWS Network Firewall, VPC Flow Logs, CloudTrail STANDARDS — AWARENESS LEVEL IS ENOUGH Candidate should be able to discuss these standards in an interview — not implement them from scratch. IEC 62443: Industrial cybersecurity standard — security zones, conduits, and security levels NIST CSF: Identify, Protect, Detect, Respond, Recover — risk-based security framework ISO / IEC 27001: Information security management system (ISMS) — how security is governed Purdue Model: Layered industrial network model — why OT/IT segmentation is designed in levels NERC CIP: Power grid cybersecurity compliance — awareness is fine for energy sector projects EXPERIENCE EXPECTATIONS - Mandatory • Experience — 10 to 12 years in network engineering • Ownership — • Architect secure OT/IT integration models aligned to IEC 62443 • Represent OT network architecture in customer, regulator, and executive discussions • Drive architecture for multi-site, multi-region deployments Has owned design and implementation decisions — not just followed instructions • Leadership — Can review team designs, mentor engineers, and drive technical direction along with hands-on demonstration of core skills mentioned above • Communication — Comfortable speaking to executives, customers, and compliance teams • Certifications: CCNP ]• Certifications (Good-to-have) — CCIE, AWS Certified Advanced Networking, AWS Solutions Architect, CISSP GOOD TO HAVE — NOT MANDATORY • Any OT / SCADA exposure — even at project or client level • Azure or GCP networking — as an addition to AWS • Infrastructure as Code — Terraform, CloudFormation, or Ansible for network automation QUALIFICATIONS BTech / BCA / MCA Experience: 10 yrs - 12 yrs