Demonstrated experience in oil and gas, petrochemical or refining, chemical, or heavy industrial facilities.
Working knowledge of Microsoft Office products.
Project lead experience developing engineering schedules, budgets, and forecasts.
Excellent verbal and written communication skills.
Ability to work effectively in teams and present a positive image to clients.
Working knowledge of AutoCAD and 3-D CAD is a plus.
Knowledge of engineering design tools and calculations.
Knowledge of industry standards, including ISA and PSM.
Bachelor of Science degree in Chemical, Electrical, or Mechanical Engineering.
Advanced degree and/or Professional Engineer certification is a plus.
Safety Instrumented Systems certification is a plus.
Active participation in professional organizations is a plus.
Must be currently authorized to work in the United States and maintain that authorization throughout employment without company sponsorship.
Responsibilities
Lead detailed design of instrumentation systems for EPC projects.
Develop P&IDs in regard to instrument and control philosophy.
Maintain instrument indexes and I/O lists for DCS, PLC, and SIS systems.
Develop instrument datasheets for flow, level, pressure, temperature, and analyzers; complete instrument sizing and calibration drawings.
Specify and apply measurement technologies based on process conditions and installation requirements, including DP flow, Coriolis, ultrasonic, radar, and GWR.
Specify and size control valves, regulators, and on/off valves.
Perform loop design, control wiring, and loop drawing development.
Develop wiring infrastructure and interconnects for junction boxes, local control panels, marshalling panels, and control systems.
Define installation details, including hook-ups, tubing layouts, impulse lines, and thermowells.
Develop instrument location plans and cable and conduit routing plans.
Read motor schematics and develop control system interfaces with starters and VFDs.
Review vendor drawing submittals.
Perform technical evaluation of bids.
Assist with field work.
Support construction and startup/commissioning activities.
Support control system architecture design.
Develop control narratives, functional descriptions, and cause-and-effect matrices.
Interface with control system vendors and system integrators.
Review logic diagrams, interlocks, and shutdown systems.
Participate in FAT/SAT and commissioning activities.
Execute work across FEED studies, FEL 1/2/3, execution, detailed engineering, and minimal construction support.
Coordinate with process, mechanical, electrical, and piping disciplines.
Review P&IDs and ensure instrumentation alignment.
Provide technical input for procurement packages and vendor evaluations.
Provide MTOs to the estimating department.
Manage deliverables, budgets, schedules, and technical quality.
Serve as discipline lead on assigned projects.
Mentor junior and mid-level engineers.
Act as technical checker for construction packages and calculations.
Drive standardization and best practices across projects.
Interface directly with clients and stakeholders.
Provide technical troubleshooting and problem-solving support.
Interface with clients, visit client facilities, and perform physical work such as walking, stooping, kneeling, and climbing stairs or ladders.
Desired Qualifications
Working knowledge of AutoCAD and 3-D CAD.
Advanced degree and/or Professional Engineer certification.
Safety Instrumented Systems certification.
Active participation in professional organizations.
Job Summary
The Senior Instrumentation Engineer is responsible for managing client projects and for assuring high quality and timely completion of engineering designs and reports. The Senior Engineer should be comfortable interfacing with the clients, visiting clients’ facilities and performing physical work such as walking, stooping, kneeling and climbing stairs/ladders. Key responsibilities include technical calculations and preparation of I&C deliverables.
Key Responsibilities
Instrumentation Engineering (Primary)
Lead detailed design of instrumentation systems for EPC projects
P&IDs in regard to instrument and control philosophy
Maintain instrument index and I/O lists for DCS, PLC, and SIS systems
Develop instrument datasheets (flow, level, pressure, temperature, analyzers) and complete instrument sizing and calibration drawings
Specify and apply measurement technologies based on process conditions and installation requirements, i.e. DP flow, Coriolis, ultrasonic, radar, GWR, etc.
Valve specifications and sizing (control valves, regulators, on/off valves)
Perform loop design, control wiring and loop drawing development
Develop wiring infrastructure and interconnects for junction boxes, local control panels, marshalling panels, and control system
Define installation details, i.e. Hook-ups, tubing layouts, impulse lines, thermowells
Instrument location plans and cable and conduit routing plans
Read motor schematics and develop control system interface with starters and VFDs
Review of vendor drawing submittals
Technical evaluation of bids
Assistance in field work
Support of construction and startup/commissioning activities
Control Systems Engineering (Secondary)
Support control system architecture design
Develop:
Control narratives and functional descriptions
Cause & Effect matrices
Interface with control system vendors and system integrators
Review logic diagrams, interlocks, and shutdown systems
Participate in FAT/SAT and commissioning activities
Project Execution
Execute work across:
FEED studies, FEL 1/2/3, Execute
Detailed engineering
Minimal Construction support
Coordinate with: Process, mechanical, electrical, and piping disciplines
Review P&IDs and ensure instrumentation alignment
Provide technical input for procurement packages and vendor evaluations
Provide MTOs to estimating department.
Manage deliverables, budgets, schedules, and technical quality
Leadership & Technical Authority
Discipline lead on assigned projects
Mentor junior and mid-level engineers
Act as technical checker for construction package and calculations
Drive standardization and best practices across projects
Interface directly with clients and stakeholders
Provide technical troubleshooting and problem-solving support
Qualifications
8+ Years of Engineering Experience
Demonstrated experience in: Oil & Gas, Petrochemical / Refining, Chemical or heavy industrial facilities
Working knowledge of Microsoft Office products
Project lead experience developing engineering schedules, budgets and forecasts
Excellent verbal and written communication skills
Ability to work effectively in teams and to present a positive image to clients
Working knowledge of AutoCAD and 3-D CAD a plus
Engineering design tools and calculations
Knowledge of Industry Standards (ISA, PSM, etc.)
Education/Certification Requirements
BS Degree in Chemical or Electrical Engineering or Mechanical Engineering
Advanced degree, and/or P.E. certification a plus
SIS certification a plus
Active participation in professional organizations a plus
About Nexus Engineering Group
Nexus Engineering Group, a distinguished independent full-service engineering, procurement, and construction management (EPCm) firm, provides comprehensive support to clients from concept through startup. With over a decade of demonstrated engineering and design success, Nexus stands out as the firm of choice for those valuing integrity and expertise.
At Nexus, you will be part of a talented and passionate team dedicated to excellence and innovation. We foster a collaborative and engaging work environment, making it a place where you’ll enjoy contributing to impactful projects. Joining Nexus means aligning with a firm renowned for its creativity, dedication, and relentless focus on achieving client goals.
Nexus Engineering Group, Inc. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.
Nexus Engineering Group is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require an accommodation to participate in any part of the recruitment process, please contact us at [email protected].
Sponsorship & Work Authorization
Nexus Engineering Group does not provide employment visa sponsorship of any kind, including CPT, OPT, or employment-based visas. Candidates must be currently authorized to work in the United States and must be able to maintain that authorization throughout employment without any action, filing, or sponsorship by the company. This requirement applies both at the time of hire and on a continuing basis for the duration of employment.
Third‑Party Agency Notice
Nexus Engineering Group does not accept unsolicited resumes or candidate submissions from external recruiters or agencies. We only engage approved third‑party partners under a written agreement initiated by our Talent Acquisition team for specific searches. Any resumes submitted without prior authorization or a current agreement will not be eligible for placement fees and will be considered the property of Nexus Engineering Group.