Principal Systems Engineer - OT Security

Zoomcar; Attibele; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

Fortinet is seeking Systems Engineers with strong Operational Technology and Critical Infrastructure experience to enable the OT Global team in a Fortinet-focused role. You will validate Reference Architectures, map compliance requirements to Fortinet products, and support both pre-sales and post-sales technical activities across OT/CI customers.

You will work with industrial clients in sectors like Power, O&G, manufacturing, and smart buildings, reviewing architectures, testing implementations,

Qualifications

• 12+ years of technical/pre-sales experience in a sales or systems engineering role.
• 4–5 years hands-on experience in OT/ICS/SCADA environments (PLCs, RTUs, HMI, Historian).
• Experience with industrial clients in Power, O&G, Manufacturing, transportation & logistics, or Smart Buildings.
• Familiarity with IEC 62443, NIST CSF, CIS Top 20, ISO 27XXX, NERC-CIP.
• Knowledge of IEC/industrial protocols (EthernetIP, Modbus, DNP3, IEC 104, OPC).
• Strong LAN/WAN/Internet, DNS, NFS, SMTP, HTTP, TCP/IP understanding.
• Security technologies: Routing, Switching, VPN, Firewalls, IDS, antivirus.
• Experience with encryption/authentication technologies and OT frameworks.

Responsibilities

• Pre-sales: qualify leads technically for OT and CI security solutions, mapping regulations to Fortinet products.
• Support sales calls by explaining features, specs, and how Fortinet solutions fit OT/CI environments.
• Review Reference Architectures, design tests, and document technical guides for end users.
• Provide guidance to Systems Engineers and SMEs to build future Reference Architectures.
• Verify FortiGate configurations and ensure best practices per sector; document implementations.

Skills

Operational Technology

Industrial Control Systems

Pre-sales support

Networking basics

Security solutions

Presentation skills

OT security standards

Education

Bachelor’s Degree or equivalent experience

Job description

Role Overview:

We are looking for Systems Engineers, with Operational Technology & Critical Infrastructure experience, to work within an OT Global team within Fortinet to enable our Sales and Systems Engineering organization to be highly successful within sales calls and systems engineering to Operational Technology and Critical Infrastructure customers and their environments. The Systems Engineer's mission will be to enable the Operational Technology and Critical Infrastructure organization to strongly validate design solutions presented to the Sales and Systems Engineering Organization as a Reference Architecture (RA) to build their business from within these target clients. They will also support the Global compliance, laws, regulations, etc. of these Operational Technology & Critical Infrastructure systems by mapping these criteria’s back to our Fortinet products.

Your Key Responsibilities:

• Pre-sales - Assist in qualifying sales leads, from a technical standpoint, of Operational Technology and Critical Infrastructure Security Solutions. This could also include the compliance, laws, regulations, etc. that map to our Fortinet products.
• Sales calls - Enabling technical resources on sales calls and answer/educate the customer on issues ranging from features, specifications, and functionality to the integration of Fortinet’s products for Operational Technology and Critical Infrastructure Security Solutions in the Purdue model. This could also include the compliance, laws, regulations, etc. that map to our Fortinet products.
• Conversant with Operational Technology, Information Technology, L1 to L7 networking, applications and solutions.
• Review product Reference Architecture and functional specification, design and execute test plan to ensure field success of a real world deployed solution.
• Technically document Reference Architecture’s as a Technical Guide for end users within Operational Technology and Critical Infrastructure clients to follow when deploying a Solution RA.
• Provide technical guidance to Systems Engineers and SMEs within OT & CI to build future RA’s.
• Modify RA network security design and implementation guidance internally and externally to meet the customer’s requirements.
• Test new features and/or new FortiOS releases to ensure alignment with existing RA’s.
• Input into the development of IC oriented solutions and services.
• Identify and drive early engagement/alignment on large OT projects.
• Verify FortiGate configurations and implement the best practices per Sector and with documentation.
• Perform interoperability evaluation of devices that interact with Fortinet products.
• Tackle difficult problems and provide solutions for new product developments.
• Post-sales - be the lead technical contact for identified accounts for technical issues and work closely with the technical support team and engineering team to answer, elevate, and resolve customer's technical issues.
• Provide assistance to identify customers with post-sales training.

Requirements:

• Minimum 12 years’ experience in technical/pre‑sales support as a sales or systems engineer
• 4 - 5 years’ Hands‑on experience, as well as technical operations, of the Operational Technology/Industrial Control Systems/Supervisory Control and Data Acquisition environments (ICS & SCADA systems, PLCs & RTUs, HMI & Historian, Smart sensors & actuators)
• Experience dealing with industrial clients within one or more sub‑industries, such as Power, O&G, Manufacturing, transportation & logistics, or Smart Buildings.
• Knowledge of the key Industrial Security Policies, Standards, and Guidelines (IEC 62443, NIST CSF, CIS Top 20, ISO 27XXX, NERC-CIP)
• Familiarity with the common industrial protocols (EthernetIP, Modbus, DNP3 & IEC 104, OPC etc.)
• Strong understanding of LAN/WAN/Internet services administration
• Strong understanding of DNS and NFS, SMTP, HTTP, TCP/IP
• Knowledge of the following technologies: Routing, Switching, VPN, LAN, WAN, Network Security, Intrusion Detection, and Anti‑Virus used in the Purdue model.
• Strong understanding in the following technologies and protocols: RADIUS, PKI, IKE, Certificates, L2TP, IPSEC, FIREWALL, 802.1Q, MD5, SSH, SSL, SHA1, DES, 3DES
• Experience with encryption and authentication technologies
• Strong presentation skills
• Strong understanding of the common OT and CI protocols
• Familiar with IEC62443, NIST and other OT framework.
• Bachelor’s Degree or equivalent experience.