ENERGY SYSTEMS ARCHITECT- PHILADELPHIA, PA (REMOTE) The Select Group's Telecommunication vertical is seeking an Energy Systems Architect. In this role, the Architect will act as the technical lead for the energy and microgrid layer of a Virtual Building Automation System (VBAS) program. They will design and validate the microgrid simulation platform, define the digital twin architecture, and lead the AWS-hosted platform architecture. This is a senior individual contributor role requiring deep power systems engineering knowledge paired with AWS IoT, digital twin, and modern data engineering skills. There is a strong preference for candidates local to the New Jersey, New York City, Maryland, Delaware, Virginia, or Connecticut areas for occasional onsite meetings in Philadelphia; however, the role is otherwise open to remote candidates.
What You'll Bring: - 7+ years in power systems engineering, energy storage, or microgrid design
- Hands-on experience with SCADA/BMS protocols: BACnet/IP, BACnet MS/TP, Modbus TCP/RTU, OPC-UA, DNP3, or IEC 61850
- Experience with digital twin or simulation platforms: GridLAB-D, HOMER Pro, MATLAB/Simulink, or AWS IoT TwinMaker
- Familiarity with DER assets: UPS systems, battery storage, generators, demand response programs, and curtailment programs
- AWS IoT services depth: SiteWise, IoT Core, IoT Greengrass, IoT TwinMaker (or equivalent cloud IoT platform experience with willingness to adopt AWS)
- Ability to produce IEEE/ANSI-aligned architecture documentation and one-line diagrams
- Experience integrating with cloud data pipelines: REST APIs, MQTT (mTLS with X.509 device certificates), and managed time-series storage (Amazon Timestream, InfluxDB, or Historian)
- Bachelor's degree in Electrical Engineering, Power Systems, or related; PE license a strong plus
Bonus Experience: - Experience with critical facility, large-scale datacenter, or telecom headend infrastructure
- Knowledge of ASHRAE A2 thermal thresholds and critical facility cooling systems
- Familiarity with Amazon Managed Grafana or operational dashboarding tools
- Experience with California 72-hour battery backup mandate or similar utility resiliency requirements
- Familiarity with NERC CIP or NIST SP 800-82 (Operational Technology security)
- NABCEP, CEM, or LEED credentials
What You'll Do: - Design and document the microgrid simulation architecture: DER topology, BMS/SCADA integration points, data flows, and AWS service mapping (AWS IoT SiteWise for asset modeling; AWS IoT TwinMaker for digital twin scenes; SageMaker for simulation compute)
- Define simulation parameters: charge/discharge cycles, depth of discharge, curtailment triggers, peak-load dispatch logic, and AI-load surge thresholds
- Lead the digital twin calibration process against historical actuals; own the +/-5% accuracy validation target across six scenarios (peak demand curtailment, battery-first dispatch, generator failover, AI-load surge, demand response participation, time-of-use arbitrage)
- Establish the shared data lake schema in coordination with Data Engineers; ensure the schema supports both energy simulation and HVAC automation use cases
- Design the national three-tier platform architecture (Tier 1 site collectors, Tier 2 regional analyzers, Tier 3 national platform) and CMDB baseline supporting expansion to the full footprint
- Serve as platform architecture authority for VBAS national operations, SLA governance, and use case registry growth
- Provide BMS/SCADA API advisory to the HVAC/BAS Integration Engineer on the controller integration layer
- Coordinate with the AWS Solutions Architect on AWS service selection, landing zone validation, and Pro Services engagement
- Produce architecture documentation, topology diagrams, one-line electrical diagrams, and integration specifications for review
TSG is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. #LI-RA1
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