Cybersecurity Engineer
Listed on 2026-10-24
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IT/Tech
Cybersecurity, Systems Engineer -
Engineering
Cybersecurity, Systems Engineer
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 9,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
WhyJoin Us
Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values—agility, expertise, and trust—we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.
We are seeking a Cybersecurity Engineer 6 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets.
ResponsibilitiesIn this position you will work on developmental and operational teams responsible for system security engineering services of developmental and operational systems for our federal government client in a highly secure and sensitive environment.
- Working closely and supporting team members, vendors, and government customers
- Implementing DoD Security Technical Implementation Guides (STIGs) on traditional Information Technology (IT) and Operational Technology (OT) systems
- Assisting in the development and verification of documentation necessary to complete the DoD RMF assessment and authorization process
- Conducting ICS/SCADA system inventories following DoD guidance
- Conducting vulnerability scanning and document system vulnerabilities
- Supporting ISO standardization and Quality inspections
- Participating in continuous improvement of organizational cybersecurity posture
- Provide system security engineering services and/or products to ensure secure reliable and uninterrupted availability of the Sponsor's developed and deployed systems and networks.
- Provide core security engineering principles are implemented into assigned programs information systems architecture.
- Perform analysis and evaluation to design, implement, test and field secure systems, networks, and architectures. Work closely with the architects, engineers, and developers in the identification and implementation of appropriate information security functionality to ensure uniform application of security policy and enterprise solutions.
- Enforce the design and implementation of trusted relations among external systems and architectures.
- Assess and mitigate system security threats/risks throughout the program life cycle.
- Contribute to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations.
- Review assessment and accreditation (A&A) documentation, provide feedback on completeness and compliance of its content.
- Apply system security engineering expertise in the following to: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk…
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