Junior ICS​/SCADA & Critical Infrastructure Engineer - TS​/SCI Poly

Leidos is seeking a highly motivated ICS / SCADA Engineer to join our team in Reston, Virginia. This role supports the analysis and characterization of commercial, critical infrastructure, and heavy industrial facilities, with a focus on systems managed through Industrial Control Systems (ICS), Supervisory Control and Data Acquisition (SCADA), and Building Management Systems (BMS).

The ideal candidate brings a strong engineering foundation, hands-on experience with industrial automation and facility systems, and a creative yet disciplined approach to solving complex technical challenges. Successful candidates will work as part of a multidisciplinary team of government and contractor personnel conducting strategic facility analysis in support of national security missions.

This position is located within a government SCIF and offers the opportunity to contribute to high-impact work in a fast-paced, mission-focused environment.

• Analyze industrial control systems, SCADA environments, and building management systems to characterize facility capabilities and operations.
• Utilize intelligence sources, engineering expertise, and specialized analytical tools to assess and model critical infrastructure systems.
• Provide technical guidance and engineering judgment throughout the analysis process to develop accurate assessments and intelligence estimates.
• Develop detailed technical reports, briefings, and formal products in response to customer requirements.
• Collaborate with multidisciplinary teams to solve complex engineering and infrastructure challenges.
• Research emerging technologies and contribute to innovative analytical methodologies and tools.
• Present findings and technical assessments to senior government officials and stakeholders.

• Candidates for consideration MUST possess an active, current Top Secret/SCI clearance WITH polygraph, and the ability and willingness to maintain this clearance while holding this position. U.S. Citizenship required.
• Bachelor's degree in a STEM discipline (Electrical Engineering, Mechanical Engineering, Systems Engineering, or related field) and relevant professional experience.
• Bachelor's degree with 2+ years of relevant experience, or Master's degree with less than 2 years of relevant experience.
• 1+ years of experience working with Industrial Control Systems (ICS), SCADA systems, or complex Building Management Systems (BMS).

• Strong understanding of:
  Industrial automation and process control systems, Electrical and/or mechanical engineering principles, Mechanical, electrical, and life safety systems
• Experience evaluating and troubleshooting complex industrial processes and facility infrastructure.
• Excellent written and verbal communication skills, including the ability to prepare technical documentation and brief senior-level audiences.

• Professional Engineer (PE) license or other relevant engineering certifications.
• Military, intelligence community, or defense-related experience.
• Hands-on experience with industrial automation technologies, including:
  • PLC programming (Rockwell/Allen-Bradley or equivalent)
  • HMI and SCADA development
  • Factory Talk View
  • GE Fanuc
  • Modicon
  • Schneider Electric
  • Siemens S7
  • Emerson DeltaV
  • Emerson Ovation
  • Wonderware

• Experience with:
  • Variable Frequency Drives (VFDs)
  • Building Management Systems (BMS)
  • Access Control and Video Surveillance Systems (ACS/VSS)
  • Industrial HVAC and Central Utility Plant operations

• Background supporting:
  • Industrial manufacturing facilities
  • Water and wastewater treatment systems
  • Nuclear facilities
  • Data centers
  • Cogeneration and Combined Cooling, Heating, and Power (CCHP) plants
• Experience with complex cooling infrastructure, including chillers, cooling towers, UPS systems, and power monitoring…