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 - Instrumentation (Chennai)
🏢 Leading
📍 Chennai