Plus Power

Role Description We are seeking a Senior Platform Engineer to join our technology team, with a focus on backend systems, cloud-native platforms, and data infrastructure. This role is ideal for an engineer who comes from a data platform, backend, or analytics engineering background and has developed deep expertise operating those systems in AWS at scale. It is especially well suited for engineers who have built or operated data platforms and are looking for deeper ownership of the cloud and backend systems that power them. You will work at the boundary between data platforms, application engineering, and cloud infrastructure, helping Plus Power build reliable, scalable systems that support asset operations, analytics, and power market participation. This is a hands-on role with meaningful technical ownership: you will write production code, shape system architecture, and ensure the systems you build are observable, resilient, and operable in real-world conditions. You will focus on bringing transparency, efficiency, and consistency to our cloud systems, ensuring secure and flexible deployment patterns, and advocating for best practices, all while contributing directly to business-critical solutions. In this role, your impact goes beyond ticket-based support or reactive operations. You will lead and own solutions end-to-end, from design and implementation through deployment, monitoring, and ongoing evolution. You will be working across disciplines to continuously improve the platforms and systems our teams rely on. Qualifications - 5+ years of professional experience across platform engineering, backend engineering, data engineering, CloudOps, or SRE roles. - Strong backend development experience, including building and operating production services or internal platforms. - Prior experience on data platform, analytics, or ML infrastructure teams preferred. - Significant hands-on experience with AWS, including services such as VPC, IAM, EKS/ECS, RDS, S3, and related managed services. - Familiarity with event-driven architectures, messaging systems, or streaming data patterns preferred. - Experience with Infrastructure as Code (Terraform and/or CloudFormation). - Experience operating containerized workloads using Docker and Kubernetes in production environments. - Solid understanding of CI/CD, Git-based workflows, and automated testing. - Strong operational mindset, including comfort owning production systems and participating in on-call rotations. - Experience building or evolving internal developer platforms or shared infrastructure services preferred. - Experience working with relational databases and data-intensive systems. - Excellent written and verbal communication skills, with the ability to present complex technical information to diverse audiences. - Demonstrated ability to work collaboratively and effectively in a cross-functional environment with both technical and non-technical team members who are geographically dispersed. - Proven ability to stay connected and maintain communication across distributed teams in hybrid or remote settings. Requirements - Design, build, and operate backend services, internal platforms, and shared infrastructure that enable data pipelines, analytics, and application workloads. - Apply a strong focus on CI pipeline design, operational reliability, and cloud cost awareness as first-class engineering concerns. - Write high-quality, maintainable, and testable production code, primarily in Python. - Partner with application and data engineers to define service boundaries, APIs, data contracts, and operational requirements. - Contribute to architectural decisions with an emphasis on long-term maintainability, reliability, and clarity. - Architect and operate AWS-based, cloud-native systems with an emphasis on reliability, security, performance, and cost efficiency. - Own the full lifecycle of platform and service components, including design, implementation, deployment, observability, and incident response. - Build and maintain Infrastructure as Code using Terraform to manage cloud assets and operational workflows. - Enable and support data platforms, analytics systems, and ML-adjacent workloads through reliable backend and platform services. - Design systems that integrate with relational databases, object storage, and event-driven data flows. - Work closely with data engineers and analysts to ensure systems meet requirements for data correctness, availability, and performance. - Set and evolve best practices for cloud-based data management through platform design, automation, and standards. - Build and evolve CI/CD pipelines that test, validate, and deploy both application and infrastructure code. - Establish and maintain observability standards using metrics, logs, and alerts. - Participate in on-call rotations and lead root cause analysis and long-term system improvements following incidents. Benefits - Highly competitive total compensation from one of North America’s leading energy storage developers, owners, and operators. - Flexible, work from home or hybrid work from Plus Power’s offices in San Francisco, Houston, Chicago, Seattle, New York, Palm Beach, and Birmingham. - The expected salary range for this position begins at $150,000. - This position is also eligible to participate in our annual bonus program. - Plus Power offers a competitive and comprehensive benefits program, unlimited vacation, flexible remote work, work from home stipend, educational assistance, parental leave, and a highly engaging company culture with opportunities for in-person connection and learning and growth.

• Assist the Senior Project Manager with note-taking during tranche calls, stakeholder meetings, and other project-related discussions; distribute organized meeting summaries to relevant parties • Help maintain and update the AMP (Asset Management Platform) to ensure accurate, current project data across all active developments • Participate in regional weekly meetings with all team members working on development projects and opportunities • Track and log work required for continuous construction tax reporting; maintain organized records and flag upcoming deadlines or action items to the Senior Project Manager • Support coordination with other company departments (Finance, Legal, Operations) to gather accurate data and ensure compliance with construction tax documentation requirements • Develop and contribute to a thesis on new BESS development opportunities in the TVA and Southeast regions • Research utility procurement trends, regulatory developments, and competitive landscape across the Southeast to identify actionable opportunities for Plus Power's regional pipeline • Provide research-backed solutions and recommendations that increase value to the project portfolio and support pipeline growth • Develop a working understanding of renewable energy project development strategy and commitments, including financial goals, scheduling, logistics, phasing, milestones, and opportunities • Create and update Excel spreadsheets and Microsoft Access databases used to track project status, milestones, and KPIs • Support departmental integration and file organization in MS 365 SharePoint and OneDrive • Review and create presentation materials and process documentation for Development Operations • Support the advancement of performance objectives and assist the Development Department in tracking and summarizing OKR data • Work with the Senior Project Manager to develop a clear understanding of expectations and objectives, ensuring that information is clearly communicated to all parties • Build and maintain positive relationships with all parties involved in core business functions; collaborate effectively with Development teams to meet all organizational objectives • Connect with other company departments to gather accurate KPI data and link various cost and schedule datasets to the broader project information database • Uphold and exemplify a high standard of ethics, integrity, and the core values of the company • Actively participate in development of self, others, and company-specified training or initiatives.

Role Description We are looking for a Senior Controls System Engineer. This qualified individual would work under the guidance of the Manager - Operational Technology to design, implement, and operate cutting-edge, utility scale energy storage systems including supporting control systems at various plant locations. This position requires experience, advanced knowledge, and expertise with next generation plant control and automation systems, including battery energy storage systems, cyber security network standards, ISO market interfacing, and plant performance management. Key Responsibilities - Responsible for design, implementation, and operations of control system infrastructure - Responsible for PPC, HMI, and RTU programming including technical documentation - Support day-to-day plant automation tasks to ensure network reliability, availability, and serviceability within minimal interruption - Provide technical support, respond to complex work orders and tickets from the users, and analyze and solve complex reported operation technology/control system problems - Oversee and participate in network technology upgrades or expansion projects, including installation of hardware, software and integration testing - Participate in on-field construction and plant commissioning activities - Serve as subject matter expert (SME) for control and instrumentation related systems - Work cross-functionally with internal groups and external EPC vendors during project bidding and execution phases as needed Qualifications - Minimum BA/BS in related field; electrical engineering degree preferred - Minimum of 6+ years related industry experience with renewable energy industry highly preferred - Knowledge and experience with battery energy storage systems use cases including primary frequency response (PFR), fast frequency response (FFR), & black start is highly preferred - Demonstrated expertise in designing and maintaining plant control systems using industry standard SCADA and PLC platforms - Understanding of data logging requirements and various historian platforms - Experience with Inductive Automation Ignition - Experience with Schneider Electric Modicon PLCs, SEL RTACs, and Novatech Orions - Knowledge of industrial communication protocols DNP3.0, Modbus, OPC-UA, and MQTT - Programming language experience Python, IEC 61131-3, C, C++, C# - Proficient with writing technical specifications for process or manufacturing equipment - Strong understanding of cyber-security best practices including IT/OT standards - Knowledge of NERC/CIP/NIST procedures - Ability to explain complex technical analysis in a simplified manner to the internal management team and/or external parties - Demonstrated ability to work well in a cross-functional environment with both technical and non-technical team members - Ability to effectively use Microsoft Office products – Word, Excel, Power Point - Excellent communication and interpersonal skills Benefits - Highly competitive total compensation from one of North America’s leading energy storage developers, owners, and operators - Flexible, work from home or hybrid work from Plus Power’s offices in San Francisco, Houston, Chicago, Seattle, Birmingham, New York, and Palm Beach - The expected salary range for this position begins at $140,000 - This position is also eligible to participate in our annual bonus program - Comprehensive benefits program - Unlimited vacation - Flexible remote work - Educational assistance - Parental leave - Highly engaging company culture with opportunities for in-person connection and learning and growth

• Conduct steady-state transmission system analysis using TARA or related software to evaluate large load and data center interconnection opportunities, identify network upgrade risks, and assess mitigation pathways. • Support technical analysis associated with large load interconnection and transmission service requests across U.S. markets, with emphasis on ERCOT, MISO, SPP, and PJM. • Review utility, ISO, and consultant study results to determine feasibility, upgrade exposure, and schedule risk for prospective projects. • Develop data-driven tools, screening methods, and dashboards to improve interconnection evaluation, portfolio prioritization, and decision-making. • Use Python to automate data processing, study workflows, case management, and repetitive analytical tasks. • Leverage AI-driven tools such as Perplexity and GitHub Copilot, where appropriate, to improve workflow speed, document review, research efficiency, code development, data organization, and technical screening. • Participate in interconnection scoping meetings and other technical discussions with utilities, consultants, and grid authorities. • Monitor and assess transmission planning, queue reform, and large load integration developments that affect project strategy in key markets. • Support technical due diligence on transmission and interconnection constraints for prospective development opportunities. • Provide technical guidance to internal teams on transmission and interconnection considerations, including upgrade risk, study assumptions, and market-specific process requirements. • Attend and contribute to stakeholder meetings and calls in ERCOT, MISO, SPP, and PJM, especially those related to data centers, large load integration, interconnection policy, queue management, and transmission planning. • Track stakeholder initiatives, tariff changes, and policy developments related to large load interconnection and communicate key implications to internal stakeholders.

• Oversee and lead the technical deliverables associated with the design, construction, and commissioning of Plus Power’s BESS projects in collaboration with third-party engineering and EPC firms • Support the EPC Leadership Team on a broad range of supplier and contractor management matters across multiple equipment vendors and construction firms • Partner with the Transmission, Interconnection, and Market Analysis teams in the definition, review, negotiation, and execution of interconnection agreements • Assist with the preparation and issuance of RFQ/RFP packages to EPC contractors and Engineering consultants • Support the EPC Procurement team in developing and issuing project scopes of work, RFPs, schedules, budgets, cash flow projections and technical contract requirements • Attend meetings with various project stakeholders including developers, contractors, consultants, and utility companies • Travel to project sites before, during, and after construction to support a wide range of project-related tasks and activities • Provide input on permitting and regulatory applications and respond to stakeholder inquiries when requested by the internal development team

• Manage from one to three sites and will be the responsible party for all on-ground activities relating to the operations and maintenance of the site. • Gain a full understanding of the operations of their site(s) and will be able to explain the operations status at any time. • Have intimate knowledge of issues on their sites and prioritize issues in the order of safety, site performance, and nice to have. • Be a proactive member of the Plus Power team solving problems and involving management early and often to solve issues before they become site limiting problems. • Coordinate with the Director of Field Operations for a forward-looking schedule of site work. • Ensure compliance with up-to-date safety and electrical policies for the safety and wellbeing of staff and visitors. • Perform quality and safety inspections/audits on maintenance activities of field technicians. • Deliver updates regarding site maintenance activities, including planned and unplanned maintenance. • Identify and report critical issues in a timely manner to maximize uptime, allow for successful energy market operations, and ensure stakeholder contract compliance. • Support field O&M providers to assist with maintenance or complex repairs. • Oversee effective scheduling and coordination of maintenance and repair activities. • Support quick response to site communication and plant/equipment control failures with the trading team, remote operations, EMS supplier, and asset managers. • Provide technical support to onsite technicians, and other vendors. • Ensure the creation of service work orders for corrective repairs, as needed, and the follow through of work to completion. • Ensure daily records are kept current to maintain regulatory compliance. • Ensure preventative maintenance activities are properly scheduled per the contractual obligations and seasonal restrictions. • Identify any additional services needed and ensure steps are taken to advance facility needs. • Identify and determine root cause(s) of underperforming systems with support from performance engineering and O&M field team. • Manage overtime work of field team, generally remaining within contracted services. • Coordinate all activities between the site management and O&M providers. • Ensure complete and timely filing of Warranty Claims as needed and manage warranty work to completion. • Travel up to 60% for in-field work, onsite supervision or to support other Field Managers as needed during planned or forced outages. • Coordinate monthly outage plan with internal and external stakeholders. • Responsible for ensuring site safety to include pre-job JHAs and other relevant forms. • Expected to coordinate with the Director of EHS on best practices and align on site safety requirements. • Ensure compliance with ERCOT Weatherization guidelines. • Coordinate with Asset Managers to ensure that all contractual commitments to/with key stakeholders and O&M contractors are upheld. • Coordinate with Asset Managers to ensure that any onsite work is within approved project budget. • This role is not expected to perform primarily hands-on work, but rather to manage third parties who will perform maintenance and repairs.

• Support NERC and other applicable regulatory compliance programs for generation assets, including IBR facilities • Track regulatory requirements, deadlines, periodic deliverables, and reporting obligations • Organize, review, and maintain compliance evidence and documentation • Assist with audits, spot checks, RFIs, self-certifications, and other regulatory reviews • Review procedures, technical documents, and internal controls for compliance alignment • Identify potential compliance gaps and support corrective actions and mitigation tracking • Monitor regulatory changes and communicate impacts to internal stakeholders • Support compliance activities related to Generator Owner (GO) and Generator Operator (GOP) responsibilities, as applicable • Assist with implementation and maintenance of compliance obligations associated with generation operations, event response, disturbance reporting, modeling, and emerging IBR-related reliability requirements • Coordinate with operations, engineering, asset management, and regulatory personnel to support ongoing compliance readiness

• Responsible for design, implementation, and operations of control system infrastructure • Responsible for PPC, HMI, and RTU programming including technical documentation • Support day-to-day plant automation tasks to ensure network reliability, availability, and serviceability within minimal interruption • Provide technical support, respond to complex work orders and tickets from the users, and analyze and solve complex reported operation technology/control system problems • Oversee and participate in network technology upgrades or expansion projects, including installation of hardware, software and integration testing • Participate in on-field construction and plant commissioning activities • Serve as subject matter expert (SME) for control and instrumentation related systems • Work cross-functionally with internal groups and external EPC vendors during project bidding and execution phases as needed

• Drive implementation of Plus Power’s AI operating model by building organizational capability, supporting adoption, and enabling responsible use of AI across the business. • Build organizational capability for AI through training, guidance, reusable patterns, and practical support that helps teams apply AI effectively in day-to-day work. • Define and reinforce AI standards, guardrails, and usage patterns to promote consistency, quality, trust, and responsible adoption across teams. • Partner with leaders and cross-functional stakeholders to assess, prioritize, and implement AI opportunities with meaningful business impact and strong operational fit. • Design, develop, and support AI-enabled solutions and workflows, including copilots, agents, prompt-based workflows, and human-in-the-loop processes, with attention to practicality, governance, and execution quality. • Facilitate the transition from experimentation to scale by identifying high-value use cases, standardizing proven approaches, and embedding AI solutions into durable business processes and platforms. • Contribute to BO&SA’s broader analytics, reporting, and operational intelligence priorities, while helping measure AI adoption, solution effectiveness, and business impact over time.

• Define and evolve data architecture standards for analytics and reporting, including data modeling, naming conventions, schema design, and documentation practices across the organization • Own the data catalog and metadata strategy, partnering with stakeholders to define, name, and organize data assets across multiple domains and source systems • Collaborate closely with Principal Data Engineering leadership and application engineering teams to align on ELT patterns, Snowflake usage, schema evolution, and analytical data modeling practices • Contribute hands‑on through SQL and Python, developing reference data models, prototypes, templates, and example implementations that demonstrate architectural intent • Support and enable data analysts by establishing consistent data usage, modeling standards, and shared definitions across a wide range of technical skill levels • Partner with application engineers on schema design to support rapid application development and reliable integration between operational and analytical data systems • Support PostgreSQL (including AWS Aurora) and Snowflake data modeling and analytical access patterns in collaboration with platform and database stakeholders • Establish and promote data governance practices covering data quality, ownership, lifecycle management, and schema change management • Drive incremental delivery of data architecture improvements, aligning short‑term progress with a clear long‑term architectural vision • Design high-ingestion pipelines (using tools like InfluxDB, Timescale, or Snowflake) capable of handling millions of data points per second from globally distributed battery sites • Ensure data can be seamlessly ingested from various industrial protocols such as Modbus, CAN bus, or DNP3, and translated into standardized cloud formats • Ensure data architectures comply with grid-specific regulations (like NERC CIP) and mandate on-site data storage for grid resilience • Help set the vision, roadmap and communicate the enterprise data strategy for the company