Cyber Security Engineer
Schlumberger Limited
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Benefits offered by this job
Job summary
Schlumberger Limited in Coimbatore, Tamil Nadu, invites a Software Security Engineer to design and develop security features for OT environments and ensure secure coding standards.
You will build prototypes, set up lab simulations, and collaborate across manufacturing teams to reduce risk and improve incident response, with a focus on IEC 62443 compliance and secure remote access patterns.
Qualifications
- 3+ years in OT/industrial support roles in manufacturing, energy, or similarly regulated environments.
- Hands-on experience supporting shop-floor OT systems and endpoints (e.g., SCADA components, industrial PCs, CNC connectivity, PLC/HMI environments).
- Industrial networking concepts: segmentation, VLANs, firewall changes, DHCP/DNS impacts on OT, and OPC/OPC UA; Modbus/EtherNet/IP awareness.
- Working knowledge of OT cybersecurity practices and IEC 62443 and/or security frameworks applicable to industrial environments.
- Experience operating within formal change management and incident/problem management processes.
Responsibilities
- Build prototypes, products and systems suitable for testing, and set up and run lab simulations.
- Contribute expertise in secure coding and mobile security, digital certificates, security space access control, fire walls, VPN and vulnerability management.
- Assist in identifying and organizing requirements, and producing specifications.
- Share expertise throughout the organization and provide user training for products.
- Develop secure coding standards and best practices.
- Evaluate engineering approaches and risks to produce development plans that ensure high-quality, low-cost products and systems.
- Author technical reports, papers, articles, patents and presentations.
- Design security control systems to address requirements.
- Participate in security event analysis and incident response.
- Ensure that controls are operating effectively; resolve operating discrepancies.
Skills
Job description
The Software Security Engineer is responsible for designing and developing security features and ensuring secure coding standards and best practices are followed.
- Build prototypes, products and systems suitable for testing, and set up and run lab simulations.
- Contribute expertise in secure coding and mobile security, digital certificates, security space access control, fire walls, VPN and vulnerability management.
- Assist in identifying and organizing requirements, and producing specifications.
- Share expertise throughout the organization and provide user training for products.
- Develop secure coding standards and best practices.
- Evaluate engineering approaches and risks to produce development plans that ensure high-quality, low-cost products and systems.
- Author technical reports, papers, articles, patents and presentations.
- Design security control systems to address requirements.
- Participate in security event analysis and incident response.
- Ensure that controls are operating effectively; resolve operating discrepancies.
Required Qualifications & Experience
- Experience: 3+ years in OT/industrial support roles in manufacturing, energy, or similarly regulated environments.
- Shop-Floor Competency: Hands-on experience supporting shop-floor OT systems and endpoints (e.g., SCADA components, industrial PCs, CNC connectivity, PLC/HMI environments).
- Industrial Networking: Practical understanding of industrial networking concepts: segmentation, VLANs, firewall change coordination, DHCP/DNS impacts on OT, and common industrial protocols (e.g., OPC/OPC UA; Modbus/EtherNet/IP awareness).
- Standards & Compliance: Working knowledge of OT cybersecurity practices and standards, with direct exposure to IEC 62443 and/or security frameworks applicable to industrial environments.
- Process Discipline: Experience operating within formal change management and incident/problem management processes.
Preferred Qualifications
- Exposure to NIS-2 compliance activities (incident readiness, documentation, governance, evidence collection).
- Experience with OT security tooling or patterns (jump servers, secure remote access, endpoint hardening, application allowlisting, passive OT monitoring).Understanding of backup/restore practices for OT systems and configuration management for industrial endpoints.
- Certifications (Nice to have): IEC 62443 training/certification, GIAC GICSP, CompTIA Security+, Cisco CCNA (industrial/networking relevant), or equivalent.
SLB is an equal employment opportunity employer. Qualified applicants are considered without regard to race, color, religion, sex, national origin, age, disability, or other characteristics protected by law.
Global adventure, broad exposure, and limitless learning await you. You'll be part of the most multi-cultural and diverse team of experts in any industry, anywhere.
Health, vision, and dental insurance for you and your dependents available from day one.
Global adventure, broad exposure, and limitless learning await you. You'll be part of the most multi-cultural and diverse team of experts in any industry, anywhere.
Our exceptional and diverse people are the pulse and spirit of who we are. Every day, you will enrich your knowledge in an environment where differences in thought, creativity and experiences are embraced.
We are a global technology company, driving energy innovation for a balanced planet. Together, we create amazing technology that unlocks access to energy for the benefit of all.
Global in outlook, local in practice – and with a united, shared passion for discovering solutions, we hire talented, driven people and support them to succeed, personally and professionally.
SLB is an equal employment opportunity employer. Qualified applicants are considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or other characteristics protected by law.
We will endeavor to make a reasonable accommodation / modification to the known physical or mental limitations of a qualified applicant with a disability to assist in the hiring process, unless the accommodation would impose an undue hardship on the operation of our business, in accordance with applicable federal, state, and local law. If you believe you require such assistance to complete this form or to participate in the interview process, please contact accommodationhotline@slb.com to request assistance. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to.
SLB is a VEVRAA Federal Contractor- priority referral Protected Veterans requested.
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