Seneca Resources Company, LLC, the oil & gas exploration and production subsidiary of National Fuel Gas Company (NYSE: NFG) explores for, develops and produces natural gas and crude oil reserves in Appalachia. Seneca’s headquarters are located in Houston, Texas with offices in Pittsburgh, Brookville, Mansfield, Williamsport and Kane, PA. Seneca’s investment activity is in the Marcellus and Utica Shales in Pennsylvania, where the company controls approximately 1.2 million net prospective acres and is one of the largest producers in the basin with approximately 1,000 wells.   As an active exploration and production company in the northeastern U.S. for more than 100 years, Seneca Resources Company, LLC is committed to safety, environmental stewardship, increased productivity and maximizing shareholder value.

The Sr. Advisor, Completions will serve as an integral member of the Drilling & Completions team with responsibilities including, but not limited to, the following:

• Lead end‑to‑end completions and frac design for horizontal shale wells, including frac architecture, stage and cluster strategy, materials selection, pump schedules, and treatment optimization
• Provide senior‑level technical oversight during frac operations, ensuring real‑time troubleshooting, risk identification, mitigation strategies, and disciplined execution
• Guide and mentor completions engineers, promoting consistent engineering rigor, adherence to operational standards, and strong safety performance
• Assess well and frac performance through comprehensive post‑job reviews, diagnostics, and data analytics to reduce variability, enhance repeatability, and drive technical learnings
• Lead evaluation and deployment of new completions technologies, ensuring pilots are effectively designed and results translated into scalable field applications
• Manage and influence service provider performance, ensuring high-quality execution, adherence to technical requirements, and disciplined cost control
• Collaborate closely with drilling, reservoir, production, facilities, and supply chain teams to align completions designs with broader development goals and asset strategies
• Support AFE creation, cost tracking, and program-level continuous improvement, ensuring capital efficiency and operational consistency
• Comply with Seneca’s EHSQ policies, standards and procedures and demonstrate active and regular involvement in EHSQ programs

• Bachelor’s degree in Engineering (Petroleum, Mechanical, Chemical, or related discipline)
• 12–15+ years of completions or stimulation experience in onshore U.S. shale operations
• Extensive field experience with frac execution and real-time decision-making
• Prior experience leading engineering teams preferred
• Extensive expertise in horizontal shale completions with deep technical knowledge of hydraulic fracturing design, execution, and optimization
• Strong command of completions data analytics and diagnostics, including integration of frac data, reservoir response, and well performance evaluation
• Proven technical judgment and operational problem‑solving skills developed in fast‑paced field and engineering environments
• Proficient in frac design modeling and completions engineering software, along with advanced experience in well data management and visualization tools
• Excellent written and verbal communication abilities with a demonstrated capability to clearly convey complex technical concepts across multidisciplinary teams

The successful candidate must be authorized to work in United States of America.

Seneca Resources offers a competitive salary, hybrid work schedule and a comprehensive benefits package. This position is not eligible for relocation.

Seneca Resources Company, LLC is an Equal Opportunity / Affirmative Action employer. All qualified individuals will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, ancestry, age, disability, protected veteran status, marital status or other protected status under federal, state or local laws.

Please note: We occasionally amend or withdraw Seneca Resources jobs and reserve the right to do so at any time, including prior to the advertised closing date.