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Active Cyber Defense Engineer SME - Careers at Leidos

Leidos

Active Cyber Defense Engineer SME - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos and Shape the Future of Cybersecurity Innovation

Leidos, a FORTUNE 500 global leader, delivers innovative technology solutions for national security, engineering, and health. We're seeking a highly qualified Active Cyber Defense Engineer SME for our Digital Modernization Sector supporting the CYBERTRON Program at Aberdeen Proving Ground, MD. This cutting-edge U.S. Army R&D initiative combats emerging cyber threats and advances Army technologies. As a leadership team member, drive innovation and mission success.

Why Join Leidos?

  • Impactful Work: Develop secure solutions to defeat cyber threats and protect national security.
  • Leadership Opportunity: Mentor teams and shape Army cyber capabilities.
  • Collaborative Environment: Thrive with top professionals in a dynamic setting.
  • Professional Growth: Advance your career on rewarding R&D projects.

Your Role and Responsibilities

Lead R&D strategies for U.S. Army C5ISR, integrate emerging tech, monitor trends, mentor teams, oversee projects per DoD standards, conduct testing and analysis, deliver recommendations, present reports, and collaborate with stakeholders.

Basic Qualifications

  • 12+ years cybersecurity; 8+ years Crypto Modernization/Key Management expertise (full key lifecycle, KMI/MGC/OTNK/iApp/MPMSS, PKI, NSA standards, CMS, Post-Quantum Crypto).
  • Bachelor’s in engineering/CS/related field.
  • Government security policies familiarity.
  • Active TS/SCI clearance; U.S. Citizenship.

Preferred Qualifications

  • Heterogeneous networking/protocol standards experience.
  • System engineering, software design, Army programs.

Clearance Required

Active DoD TS/SCI at time of application.

At Leidos, we outthink, outbuild, and outpace the status quo. Join disruptors who refuse to fail.

Locations

  • Aberdeen Proving Ground, Maryland, United States

Salary

131,300 - 237,350 USD / yearly

Estimated Salary Rangehigh confidence

131,300 - 237,350 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Full Key Lifecycle Managementintermediate
  • Key Management Infrastructure (KMI)intermediate
  • KMI Management Client (MGC)intermediate
  • KMI Over-the-Network Keying (OTNK)intermediate
  • Public Key Infrastructure (PKI)intermediate
  • NSA High Assurance standardsintermediate
  • Cryptographic protocols (CMS)intermediate
  • Post-Quantum Cryptographyintermediate
  • Cybersecurity R&Dintermediate
  • DoD Cyber Security Strategyintermediate

Required Qualifications

  • 12+ years comprehensive cybersecurity experience, including 8+ years in Crypto Modernization and Key Management (experience)
  • Bachelor’s degree in engineering, computer science, electronics engineering, or related technical discipline (experience)
  • Familiarity with Government security policies, security-related technologies, and auditing tools (experience)
  • U.S. Citizenship with active DoD TS/SCI clearance (experience)
  • Experience in heterogeneous computer networking, protocol/interface standards (experience)
  • System engineering, electrical design, software engineering, or Army program support (experience)

Responsibilities

  • Develop and implement R&D strategies aligned with U.S. Army C5ISR mission objectives
  • Evaluate and integrate emerging technologies and methodologies to drive innovation
  • Monitor industry trends to identify opportunities for advancement
  • Lead, mentor, and inspire the R&D team, fostering technical excellence
  • Oversee R&D projects ensuring alignment with DoD Cyber Security Strategy
  • Conduct physical testing, analyze data, and interpret information
  • Prepare recommendations and solutions for cyber defense areas
  • Prepare and present detailed reports to stakeholders
  • Collaborate with stakeholders, subcontractors, and support personnel

Benefits

  • general: Impactful work protecting national security against cyber threats
  • general: Leadership and mentorship opportunities shaping Army technologies
  • general: Collaborative environment with talented professionals
  • general: Professional growth through challenging R&D projects
  • general: Competitive pay and comprehensive Leidos benefits package
  • general: Sustainable operations and community contributions

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Jobs in Aberdeen Proving Ground, MDLeidos CareersCybersecurity HiringDefense Jobs United StatesTS/SCI JobsEngineeringInformation TechnologySecurity

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Leidos logo

Active Cyber Defense Engineer SME - Careers at Leidos

Leidos

Active Cyber Defense Engineer SME - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos and Shape the Future of Cybersecurity Innovation

Leidos, a FORTUNE 500 global leader, delivers innovative technology solutions for national security, engineering, and health. We're seeking a highly qualified Active Cyber Defense Engineer SME for our Digital Modernization Sector supporting the CYBERTRON Program at Aberdeen Proving Ground, MD. This cutting-edge U.S. Army R&D initiative combats emerging cyber threats and advances Army technologies. As a leadership team member, drive innovation and mission success.

Why Join Leidos?

  • Impactful Work: Develop secure solutions to defeat cyber threats and protect national security.
  • Leadership Opportunity: Mentor teams and shape Army cyber capabilities.
  • Collaborative Environment: Thrive with top professionals in a dynamic setting.
  • Professional Growth: Advance your career on rewarding R&D projects.

Your Role and Responsibilities

Lead R&D strategies for U.S. Army C5ISR, integrate emerging tech, monitor trends, mentor teams, oversee projects per DoD standards, conduct testing and analysis, deliver recommendations, present reports, and collaborate with stakeholders.

Basic Qualifications

  • 12+ years cybersecurity; 8+ years Crypto Modernization/Key Management expertise (full key lifecycle, KMI/MGC/OTNK/iApp/MPMSS, PKI, NSA standards, CMS, Post-Quantum Crypto).
  • Bachelor’s in engineering/CS/related field.
  • Government security policies familiarity.
  • Active TS/SCI clearance; U.S. Citizenship.

Preferred Qualifications

  • Heterogeneous networking/protocol standards experience.
  • System engineering, software design, Army programs.

Clearance Required

Active DoD TS/SCI at time of application.

At Leidos, we outthink, outbuild, and outpace the status quo. Join disruptors who refuse to fail.

Locations

  • Aberdeen Proving Ground, Maryland, United States

Salary

131,300 - 237,350 USD / yearly

Estimated Salary Rangehigh confidence

131,300 - 237,350 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Full Key Lifecycle Managementintermediate
  • Key Management Infrastructure (KMI)intermediate
  • KMI Management Client (MGC)intermediate
  • KMI Over-the-Network Keying (OTNK)intermediate
  • Public Key Infrastructure (PKI)intermediate
  • NSA High Assurance standardsintermediate
  • Cryptographic protocols (CMS)intermediate
  • Post-Quantum Cryptographyintermediate
  • Cybersecurity R&Dintermediate
  • DoD Cyber Security Strategyintermediate

Required Qualifications

  • 12+ years comprehensive cybersecurity experience, including 8+ years in Crypto Modernization and Key Management (experience)
  • Bachelor’s degree in engineering, computer science, electronics engineering, or related technical discipline (experience)
  • Familiarity with Government security policies, security-related technologies, and auditing tools (experience)
  • U.S. Citizenship with active DoD TS/SCI clearance (experience)
  • Experience in heterogeneous computer networking, protocol/interface standards (experience)
  • System engineering, electrical design, software engineering, or Army program support (experience)

Responsibilities

  • Develop and implement R&D strategies aligned with U.S. Army C5ISR mission objectives
  • Evaluate and integrate emerging technologies and methodologies to drive innovation
  • Monitor industry trends to identify opportunities for advancement
  • Lead, mentor, and inspire the R&D team, fostering technical excellence
  • Oversee R&D projects ensuring alignment with DoD Cyber Security Strategy
  • Conduct physical testing, analyze data, and interpret information
  • Prepare recommendations and solutions for cyber defense areas
  • Prepare and present detailed reports to stakeholders
  • Collaborate with stakeholders, subcontractors, and support personnel

Benefits

  • general: Impactful work protecting national security against cyber threats
  • general: Leadership and mentorship opportunities shaping Army technologies
  • general: Collaborative environment with talented professionals
  • general: Professional growth through challenging R&D projects
  • general: Competitive pay and comprehensive Leidos benefits package
  • general: Sustainable operations and community contributions

Target Your Resume for "Active Cyber Defense Engineer SME - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Active Cyber Defense Engineer SME - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Active Cyber Defense Engineer SME - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Aberdeen Proving Ground, MDLeidos CareersCybersecurity HiringDefense Jobs United StatesTS/SCI JobsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Active Cyber Defense Engineer SME - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.