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Sr. Engineer, Transmission and Interconnection

Avantus
San Diego, California
Full Time
Posted September 5, 2025
$124k - $146k
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Job Description

The Sr. Engineer, Transmission and Interconnection, is responsible for managing utility-scale solar and storage project interconnections, performing transmission system analyses, negotiating interconnection agreements, and coordinating with utilities and ISOs to ensure timely and cost-effective project development.

Key Responsibilities

  • Lead interconnection process for utility-scale solar storage projects from inception to commercial operation across multiple ISO markets.
  • Perform power flow, stability, and short circuit studies using specialized software for project prospecting and analysis.
  • Evaluate transmission interconnection tariffs, costs, timelines, and processes to develop strategic plans.
  • Coordinate and manage interconnection applications, studies, agreements, and post-application milestones.
  • Negotiate interconnection study results and agreements with utilities to achieve favorable project outcomes.
  • Build and maintain relationships with utilities, ISOs, and regulators, tracking progress to ensure timely project completion.
  • Identify optimal interconnection locations through power flow and market risk analyses.
  • Monitor changes in interconnection tariffs, business practices, and transmission upgrades in target markets.
  • Collaborate with cross-functional teams to meet interconnection milestones and ensure project development progress.

Requirements

  • Minimum of five (5) years of related experience in interconnection project development or transmission planning at a utility, ISO RTO, or project developer.
  • Deep understanding of CAISO WECC utilities tariffs, interconnection processes, transmission service processes, transmission planning processes, and late-stage resource implementation processes.
  • Ability to work autonomously at a dynamic pace, find creative solutions, track major milestones, and prioritize several projects simultaneously.
  • Ability to provide verbal and written summaries of interconnection processes, results, milestones, and statuses for both technical and non-technical audiences.
  • Ability to read and negotiate long legal contracts including Interconnection Agreements, Power Purchase Agreements, Independent Engineer Reports, and Financing Documents.
  • Experience developing lasting relationships with utilities, consulting firms, ISO RTOs, and regulators.
  • Strong capability in Microsoft Excel, PowerPoint, Word, Adobe Acrobat, and Google Earth.
  • Bachelor’s and/or Master’s degree in Electric Power Systems Engineering and/or MBA.
  • Fluency in PSLF, PSSE, TARA, UPLAN, PSCAD, ASPEN, PowerWorld, or AutoCAD (preferred).
  • Ability to learn UPLAN if familiar with PROMOD, and to perform studies using these tools.
  • Knowledge of ISO processes and interconnection procedures (negotiable).

Benefits & Perks

Competitive compensation with salary range of $123,931 to $145,801 USD plus bonus
Flexible Paid Time Off (PTO)
Comprehensive medical and dental plan options
401(k) matching retirement plan

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