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

Leidos Holding$107K — $195K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI Polygraph clearance required; U.S. Citizenship necessary.
  • Bachelor's degree with 8+ years or Master's degree with 6+ years in a relevant field; PhD considered.
  • STEM degree (Electrical or Mechanical Engineering) with pertinent certifications.
  • 5+ years experience with industrial control systems or complex building management systems.
  • Knowledge of mechanical, electrical, and life safety systems essential.
  • Strong background in control systems, electrical or mechanical engineering, and industrial process controls.

Responsibilities

  • Utilize tradecraft tools and engineering skills to analyze specified facilities.
  • Provide engineering insights and technical judgment to ensure accurate intelligence assessments.
  • Create formal deliverables that adhere to customer specifications.
  • Innovate solutions for complex engineering challenges.
  • Communicate findings and trends to senior officials through briefings.

Benefits

  • Opportunity to work in a fast-paced, high-energy environment.
  • Join an interdisciplinary team including government and contractor personnel.
  • Engage in strategic and critical facility analysis for government applications.
Full Job Description
Leidos is seeking an experienced ICS/SCADA & Critical Infrastructure Engineer to join our team in Reston, Virginia. This role focuses on understanding commercial and heavy industrial facilities, as well as the interoperability of systems managed through Industrial Control Systems (ICS) and Building Management Systems (BMS).

The ideal candidate will bring a creative yet practical approach to identifying and solving complex challenges involving interconnected facility systems. Success in this role requires exceptional attention to detail, strong analytical skills, and a commitment to producing high-quality work.

As part of an interdisciplinary team of government and contractor personnel, you will conduct strategic and critical facility analysis with a focus on industrial control systems. Work is performed in a fast-paced, high-energy environment within a government SCIF facility.

Key Responsibilities
  • Use tradecraft exploitation tools, intelligence sources, and engineering expertise to characterize selected facilities.
  • Provide engineering insight and technical judgment throughout the characterization process to produce accurate intelligence assessments.
  • Develop formal products and deliverables that meet customer requirements.
  • Support the development of innovative approaches to solve complex engineering challenges.
  • Brief senior officials on capability trends, findings, and analytical assessments.


Required Qualifications
  • Candidates for consideration MUST possess an in-scope and active TS/SCI Polygraph clearance for consideration and the ability/willingness to maintain this clearance while holding this position. U.S. Citizenship is required.
  • Bachelor's degree and 8+ years of relevant experience, or a Master's degree and 6+ years of relevant experience. A doctorate in a technical discipline may be considered.
  • Bachelor's Degree in a STEM field (Electrical Engineering, Mechanical Engineering, or related discipline) and relevant professional certifications.
  • 5+ years of experience with industrial control systems and/or complex building management systems.
  • Working knowledge of mechanical, electrical, and life safety systems.
  • Strong background in control systems and electrical or mechanical engineering.
  • Experience with complex industrial process controls.
  • Excellent written and verbal communication skills, including the ability to brief senior government officials.


Preferred Qualifications
  • Professional Engineer (PE) certification.
  • Military or defense-related experience.
  • Experience with:
    • Rockwell PLCs (or comparable platforms), HMI, and SCADA programming.
    • Allen-Bradley, FactoryTalk View, GE Fanuc, Modicon, Schneider Electric, Siemens S7, DeltaV, Wonderware, and Emerson Ovation.
    • Variable Frequency Drives (VFDs).
    • Building Management Systems (BMS), Access Control Systems (ACS), Video Management Systems, industrial HVAC, and central utility plant operations.
    • Industrial processes in water/wastewater treatment, nuclear facilities, data centers, cogeneration plants, and combined cooling, heating, and power (CCHP) environments.
    • Complex cooling system design, including cooling towers, chillers, UPS systems, and power monitoring.
  • Cybersecurity and/or penetration testing experience.
  • IT and networking certifications such as CISSP, SSCP, CEH, or equivalent.
  • Familiarity with packet capture and network analysis tools, including Wireshark, NetworkMiner, GrassMarlin, SCEPTRE, HELICS, and intrusion detection systems (IDS).


#ASBA
#Snakehead

Original Posting:
August 13, 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.

Pay Range:
Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

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Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

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