About Us Irby Construction Company has been building infrastructure for the power industry for more than 75 years. Our business values and performance-driven mindset guide our actions. Our approach to work starts with safety, puts people first, seeks to innovate, and promises to perform. Irby is proud of its inclusive work environment, family-oriented culture, excellent benefits, and clear pathways for career growth. We strive to provide every employee with clear expectations and opportunities for advancement. What's more, Irby has long long-valued tenure. In fact, many of our executive leaders started with Irby early in their careers and in the field. When you join our team, you join an established firm, with a culture centered around its people. Teamwork is how we work. There is no other way. Pride is ever-present inside our offices and the bond of brotherhood runs strong among our crews. Irby Construction is a wholly-owned subsidiary of Quanta Services. That means team Irby gets the benefits of the company culture we're known for along with the stability and resources of a Fortune 500 organization. (

NYSE:

PWR). Build your career at Irby Construction. About this Role The Superintendent

• BESS provides direct field supervision for utility-scale Battery Energy Storage System construction.

The position leads foremen, craft personnel, and subcontractors in the safe, high-quality, and productive execution of assigned work; implements the Construction Manager and Project Manager's field plan; and maintains day-to-day accountability for crew deployment, equipment, documentation, schedule execution, and installation quality. The Superintendent must understand BESS civil, structural, electrical, mechanical, controls, and commissioning activities and be able to coordinate work from mobilization through energization, commissioning, and turnover. What You'll Do Lead assigned crews and foremen and coordinate daily field construction activities across civil, structural, electrical, mechanical, and controls scopes. Organize crews and assign foremen and craft personnel to work based on project priorities, skill requirements, and the approved construction plan. Visit active work areas throughout the day to monitor safety, quality, production, workmanship, and compliance with the project schedule. Generate or support daily manpower, equipment, and tooling requirements; coordinate transfers and resource changes when field conditions warrant. Maintain superintendent reports, daily time sheets, job briefings, production records, equipment usage records, and major-event documentation. Lead or participate in weekly foreman meetings and required Owner/project meetings. BESS Equipment Installation Direct field installation of battery energy storage enclosures/modules, inverters and Power Conversion Systems (PCS), DC cabling assemblies, Battery Management Systems (BMS), controls wiring, medium-voltage transformers, switchgear, thermal management systems, and fire suppression interfaces. Verify equipment pads, elevations, anchor bolt placement, access, and structural readiness before delivery and setting of major equipment. Coordinate receiving, laydown, delivery, rigging, setting, and protection of BESS containers, transformers, switchgear, and related equipment. Ensure installations follow approved drawings, specifications, OEM requirements, approved submittals, torque requirements, cable termination procedures, and installation checklists. Immediately elevate field conflicts, scope gaps, non-conforming work, or conditions requiring engineering clarification to the Construction Manager / Project Manager. Subcontractor & Trade Coordination Direct and coordinate assigned subcontractor field activities and verify work is performed safely, productively, and within approved drawings and specifications. Coordinate sequencing between civil, structural, electrical, controls, OEM, and commissioning teams to reduce conflicts and maintain continuous workflow. Review subcontractor manpower and production information and promptly communicate performance concerns with supporting field documentation. Maintain effective communication with Owner representatives, inspectors, vendors, and other field stakeholders. Field Safety Enforce all Company and project safety requirements and stop work when unsafe or imminent-danger conditions are observed. Conduct or participate in daily pre-task planning, job briefings, toolbox talks, safety observations, and required safety meetings. Enforce BESS-specific controls for electrical hazards, DC arc flash, Lockout/Tagout, thermal runaway/emergency response, hazardous materials, and energized work boundaries. Review incidents, near misses, and field safety concerns; support timely investigation, documentation, and corrective action. Maintain working knowledge of applicable OSHA requirements, NFPA 70E, NFPA 855, project safety plans, and site-specific procedures. Field Quality Control Inspect work in place against project drawings, specifications, approved submittals, OEM requirements, and quality checklists. Ensure required inspections and tests are completed and documented before work is covered, accepted, or energized. Verify as-built drawings, progress records, inspection documentation, test results, and punch-list items are maintained throughout construction. Confirm delivered materials and equipment are correct and suitable for installation; report damaged, incorrect, or non-conforming material immediately. Support punch-list management and verify assigned corrective work is completed to project requirements. Schedule, Production & Cost Support Execute the approved construction plan and three-week look-ahead schedule at the crew level; identify field constraints and schedule risks early. Monitor installed quantities, productivity, manpower, equipment utilization, and progress versus plan or bid. Coordinate manpower surges, overtime needs, equipment changes, and material requirements through the Construction Manager / Project Manager. Provide accurate daily field information to support progress reporting, billing, quantity tracking, forecasting, and earned-value/cost reporting. Identify delays, Owner directives, differing conditions, and potential out-of-scope work as they occur; document facts and notify project leadership before unapproved extra work proceeds. Commissioning, Energization & Closeout Support field commissioning, startup, and energization activities and coordinate craft readiness with OEM representatives and commissioning personnel. Verify assigned pre-energization punch-list work is complete and required field documentation is available before energization sequences begin. Support Site Acceptance Testing, initial charge/discharge activities, equipment turnover, and correction of commissioning deficiencies. Ensure closeout procedures are followed, including final as-builts, field records, equipment/tool accountability, demobilization, and personnel/equipment transfers. Workforce Leadership Mentor and develop foremen and craft personnel; provide clear expectations, field coaching, and performance feedback. Support personnel evaluations, advancement recommendations, CDL requirements, training needs, and resolution of field personnel issues. Promote accountability, professionalism, teamwork, and continuous improvement across the field organization. Follow up on complaints from the Owner, general public, or landowners and communicate issues to project leadership. What You'll Bring Minimum six (6) years of relevant construction/craft experience with at least two (2) years in a field supervisory role; utility-scale BESS, substation, medium-voltage electrical, renewable energy, or complex EPC experience strongly preferred. Working knowledge of BESS construction processes, including civil and structural work, medium

• and low-voltage electrical systems, PCS/inverters, BMS, DC cabling, controls, QA/QC, and commissioning activities.

Working knowledge of OSHA standards and construction safety practices; knowledge of

NFPA 70E, NFPA 855, NEC

requirements, and Lockout/Tagout practices applicable to assigned work. OSHA 30, First Aid/CPR, and

NFPA 70E

training required or obtainable within 90 days; competent-person qualifications as applicable to assigned scope. Ability to read and interpret construction drawings, blueprints, electrical schematics, specifications, and installation instructions. Ability to organize crews, delegate work, conduct meetings, resolve field conflicts, make timely decisions, and work effectively with limited supervision. Strong written and verbal communication skills and the ability to maintain accurate field records and reports. Physical Requirements & Availability Ability to walk and work across uneven terrain and climb on and off large trucks and equipment throughout the workday. Ability to work safely in hot, cold, and other demanding field conditions and around active heavy construction operations. Ability to push, pull, and lift materials or equipment weighing up to 50 pounds as necessary. May be required to hold a valid Class B commercial driver's license based on assignment. On-site presence required during assigned active construction and commissioning operations; travel or relocation up to 100% may be required based on project needs. What You'll Get Comprehensive Medical Coverage

• Multiple BCBS medical plan options, all with in-network preventive care covered at no cost, the same nationwide provider network, and access to virtual care for primary care, dermatology, general medical needs, and mental health support. Prescription Drug Coverage included with all medical plans, plus tools and advocacy support to help manage healthcare costs. Dental & Vision Coverage
• Dental plans with 100% coverage for preventive care and orthodontia options for adults and children, plus vision coverage with annual exams and frame allowances. Health Savings & Flexible Spending Accounts
• HSA options with Fidelity, Healthcare FSA, Limited Purpose FSA, and Dependent Care FSA (up to $7,500) to help you save on eligible healthcare and dependent expenses. 401(k) Retirement Plan with Company Match
• Immediate eligibility and vesting, with a company match of 100% on the first 3% and 50% on the next 3% (up to 4.5% total match). Life & Disability Insurance
• Company-paid basic life and AD&D coverage, plus optional supplemental life insurance for employees and dependents. Short-term and long-term disability coverage helps protect your income if you're unable to work due to illness or injury. Employee Assistance Program (EAP)
• Confidential mental health, financial, family, and wellbeing support available at no cost to you and your household. Voluntary Benefits
• Optional accident, hospital indemnity, critical illness, identity theft protection, pet insurance, home/auto insurance, and long-term care coverage. Employee Discounts & Community Support
• Access to exclusive employee discounts and participation in Quanta Cares , a disaster relief fund supporting employees and families during times of need.

Equal Opportunity Employer 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 are an Equal Opportunity Employer, including disability and protected veteran status. 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 us the Company's Human Resources department.