Sr. Designer - Instrumentation, Electrical, & Controls

About Us NorthStar Energy Services, a Quanta Services, Inc. (NYSE:PWR) company, is based in Channelview, TX and provides engineering, design, procurement, construction and support services to the chemical, petrochemical, pipeline, oil & gas, bulk storage and terminal industries throughout the country. We offer individual project services as well as turnkey EPC project implementation. NorthStar possesses the skills and expertise to self‑perform the design and installation of civil, structural, mechanical, piping, electrical, and instrumentation systems throughout a broad array of industrial applications. Joining our team means being part of an organization that values drive and inclusion. We focus on career development and reward excellence, recognizing each team member’s unique contributions. We’re at the forefront of powering modern life. Discover how your skills and dedication can make a real difference to us. About This Role NorthStar Energy Services is seeking an experienced and technically strong Sr. Designer to join the Professional Engineering Consulting team in Arlington or Houston, Texas. This role requires hands‑on leadership for complex deliverables while supporting project execution under the direction of the Design Supervisor and Engineering Manager. What You’ll Do Design Develop and locate electrical and instrumentation (I&E) equipment within a 3D model environment using AutoCAD, CADWorx, and Navisworks in coordination with engineers and multi‑discipline design teams. Design site‑specific power distribution and control systems in accordance with company, client, and applicable industry standards for integration into new or existing facilities. Interpret Process Flow Diagrams (PFDs) and Piping & Instrumentation Diagrams (P&IDs) to establish project scope and design requirements. Prepare design drawings and concept sketches to support construction execution, change orders, cost estimates, and field activities. Generate and maintain required project documentation, including status reports, punch lists, as‑built sketches, and material quantity calculations. Detailed Design and Documentation Develop orthographic plan and layout drawings from 2D and 3D models for installation of power and control systems, including hazardous area classification, conduit routing, cable tray, grounding, and instrument locations, in accordance with company and client standards. Produce detailed installation drawings for electrical and instrumentation equipment. Size cabinets, panelboards, cables, cable tray, and conduit in accordance with applicable codes, project scope, and vendor data. Prepare required one‑line diagrams, wiring diagrams, and loop diagrams for power and control systems. Demonstrate recent experience producing construction‑ready electrical and control system documentation. Apply established quality control processes and checklists, maintaining ownership and accountability for completed work. Deliverable Management and Coordination Research, review, and apply company standards, municipal requirements, and applicable regulatory codes. Perform independent QA/QC reviews of I&E design deliverables. Verify that structural and site‑development layouts align with overall project design intent. Support Professional Engineers during the design phase, including standards review, collection of calculation inputs, permitting requirements, and other engineering support activities. Coordinate I&E design requirements with multi‑discipline project teams. Review drawings from other disciplines to ensure coordination and consistency with I&E systems. Review and respond to Requests for Information (RFIs) throughout the project lifecycle. Review third‑party vendor drawings to confirm compatibility with the intended I&E design. What You’ll Bring Qualifications & Experience Associate or bachelor’s degree in a relevant technical discipline. Minimum of ten (10) years of experience in power distribution or controls systems design. All qualified candidates will be required to complete an in‑person, computer‑based assessment. Technical Expertise Minimum of eight (8) years of current experience with AutoCAD, CADWorx, Navisworks, and Microsoft Office. Detailed knowledge in the application of Codes and current Standards, including but not limited to: National Electrical Code (NEC)

ANSI/ISA‑5.1‑2022

API‑RP500

Ability to independently research and interpret equipment data, vendor documentation, and technical references. Communication & Collaboration Excellent written, verbal, and interpersonal communication skills. Ability to collaborate effectively with designers, engineers, project managers, and external stakeholders. What You’ll Get 401(k) with immediate matching and vesting Fully comprehensive benefits packages; Medical, Dental, Vision Choice of PPO, HSA, FSA Short‑term and long‑term benefits Equal Opportunity Employer Quanta provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law. We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact the Company’s Human Resources department. Note: This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, working conditions, physical demands, and activities may change or new ones may be assigned at any time with or without notice. #J-18808-Ljbffr NorthStar Energy Services