Junior ICS/SCADA & Critical Infrastructure Engineer

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. What You’ll Do

• 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., + FactoryTalk View
• GE Fanuc
• Modicon
• Schneider Electric
• Siemens S7
• Emerson DeltaV
• Emerson Ovation
• Wonderware

• U.S. Citizenship required.
• Active TS/SCI clearance, or an active Top Secret clearance with a current SSBI and eligibility to obtain a TS/SCI with Polygraph.
• 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), * 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 solutions.
• Cybersecurity, industrial cybersecurity, or penetration testing experience.
• Industry certifications such as CISSP, SSCP, CEH, Security+, or equivalent.
• Familiarity with network analysis and industrial cybersecurity tools, including:
• Wireshark
• NetworkMiner

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Why Leidos? At Leidos, you’ll work alongside some of the industry’s most talented engineers, analysts, and technical experts supporting critical national security missions. We foster a collaborative environment where innovation, technical excellence, and mission impact drive everything we do.

If you’re passionate about industrial control systems, critical infrastructure, and solving complex engineering challenges, we’d like to hear from you.

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares. Original Posting: May 31, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above., Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .