Design

& Engineering Execution

· Leads the engineering design of ICSS systems including DCS, SIS, FGS.

· Executes design for complex control and safeguarding systems across all units.

· Ensures technical compatibility and integration of all ICSS interfaces.

· Designs and supports instrumentation and control for packaged equipment.

· Ensures ICSS architecture, infrastructure,

protocols, and control strategies meet project requirements.

· Prepares and updates ICSS specifications and drawings.

· Reviews and approves engineering documents such as: ICSS design philosophy, specifications,

architecture, and system configuration, Process Control Narratives, Cause &

Effect Diagrams, Sequence & Logic Diagrams, Safety Requirement

Specifications (SRS), SIL Verification Procedures & Reports, Alarm

Management strategies and Graphic Display sketches, Instrument Index, I/O lists, and Instrument Wiring/Connection Diagrams, Instrument Building/Room Layouts and Cabinet

Layouts, Design inputs to ICSS vendors and inquiry packages including requisitions

Interface

& Communication

· Coordinates with internal disciplines (Electrical, Building, HSE, Piping, Painting, Civil, Insulation).

· Interfaces with clients,

vendors, and engineering subcontractors.

· Aligns design interfaces with internal teams (field instruments, analyzers, construction design).

· Prepares, checks, and approves technical bid evaluation reports.

· Prepares technical correspondence and queries to clients.

Documentation

& Review

· Reviews vendor documents and provides approvals.

· Attends meetings related to

ICSS design and project coordination.

· Participates in HAZOP and

SIL classification meetings.

Testing

& Site Work

· Leads Factory Acceptance

Tests (FAT) at vendor facilities.

· Plans and executes Site

Acceptance Tests (SAT) and pre-commissioning activities.

· Performs field engineering work at construction sites or module fabrication yards.

· Conducts sequence and logic testing during commissioning.

Leadership

& Coordination

· Reports to the

Instrumentation and Control (I&C;) Lead Engineer.

· Coordinates with the

I&C; Lead Engineer for resource planning and progress tracking.

· Manages engineering subcontractors and ensures alignment with project requirements.

· Responsible for manpower planning and execution man-hours under his control.





· Ensures engineering deliverables are completed as per schedule and project milestones.

· Acts as the primary technical focal point for correspondence between client and JGC as well as vendors and JGC.

· Resolves technical issues between JGC and client related to ICSS design.

· Manages project changes and ensures their effective implementation in ICSS design.

Reporting & Monitoring

· Responsible for progress reporting against Level 3 schedule.

· Monitors overall progress of system design activities to meet milestone schedules.

· Ensures that progress supports overall project scope and timeline

Other Duties

· Performs other necessary tasks as requested or instructed by supervisors.​

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Requirements

Bachelor's

Degree (as minimum) in Instrumentation / Electronics/ Electronic &

Communications or similar categories from a recognized university.

15 years of relevant experience in ICSS engineering within the Oil & Gas

EPC industry.

· Experience in detailed design and execution of ICSS

(DCS, SIS, FGS, PLCs).

· Familiarity with international standards such as

IEC, ISA, API, and other applicable codes.

· Exposure to major ICSS platforms such as Honeywell,

Yokogawa, Emerson, ABB, or equivalent.

· Participation in FAT, SAT, and site engineering activities.

Experience in vendor coordination and technical documentation

Technical Expertise

· In-depth knowledge of ICSS systems including DCS, SIS, FGS, and PLCs.

· Solid understanding of control system architecture, network protocols, and system integration.

· Proficiency in developing and reviewing control philosophies, logic diagrams, cause & effect diagrams, and alarm management strategies.

· Proficiency in Safety

Instrumented Systems (SIS) and SIL verification procedures.

· Familiarity with instrumentation and control for packaged equipment and complex process units.

Cybersecurity & Functional Safety





· Awareness of cybersecurity principles and standards applicable to industrial control systems (e.g., IEC

62443).

· Understanding of functional safety lifecycle in accordance with IEC 61511.

· Preferred: Certification in

Functional Safety issued by TÜV or Exida.

· Preferred: Certification in

Cyber Security (TÜV, Exida or ISA).

Software Proficiency

· Skilled in engineering tools such as Smart Plant Instrumentation (SPI/INtools), AutoCAD, and Microsoft

Office Suite (Word, Excel, PowerPoint).

· Experience with ICSS vendor tools and configuration platforms (e.g., Honeywell EPKS, Yokogawa CENTUM,

Emerson DeltaV, ABB 800xA).

Project & Communication Skills

· Ability to prepare and review technical documentation, correspondence, and business letters.

· Skilled in technical bid evaluations, vendor document reviews, and interface coordination.

· Strong analytical and problem-solving skills with attention to detail.

· Capable of managing

FAT/SAT, site coordination, and pre-commissioning activities.

Leadership & Interpersonal Skills

· Contributes to the mentoring and training of junior engineers within the department.

· Provides direct supervision and checking of work by junior staff when required.

· Demonstrates mutual trust and respect in all working relationships.

· Values diversity,

encourages cooperation, and promotes teamwork.

· Commits to open, transparent, and effective two-way communication.

Special Requirements

Willingness to travel overseas for long-term assignments, which may include:

· Working at JGC Headquarters in Yokohama, Japan.

· Visiting ICSS vendor premises for Factory Acceptance Tests (FAT).

· Deployment to construction sites or module fabrication yards.

· Duration of such assignments may extend to 6 months, 1 year, or longer, depending on project needs.

· Flexibility to relocate or work in multi-cultural environments across different geographies.

· Ability to adapt to site conditions, including remote or offshore locations.

· Willingness for the contribution to the departmental activities such as department guideline preparation, lessons and learnt preparation and participation and organizing training session for the members in department.

Benefits

Covered under life insurance

Covered under group medical insurance (Self, Spouse, Children & Parents)

Lucrative job offer

📌 Principal Engineer ICSS - Instrument (Chennai)
🏢 JGC India EPC
📍 Chennai