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Cyber Security Engineer SME - Careers at Leidos

Leidos

Cyber Security 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 company, leads in innovative technology solutions for national security, engineering, and health. We're seeking a Cyber Security Engineer SME for the CYBERTRON Program at Aberdeen Proving Ground, MD, delivering cutting-edge R&D for U.S. Army C5ISR against emerging cyber threats.

Why Join Leidos?

  • Impactful Work: Develop secure solutions to defeat cyber threats and protect national security.
  • Leadership Role: Mentor teams and shape Army cybersecurity future as technical expert.
  • Collaborative Culture: Thrive with top professionals in dynamic innovation environment.
  • Career Growth: Advance through rewarding, high-stakes projects at a mission-driven leader.

Key Responsibilities

  • Develop R&D strategies aligned with Army C5ISR objectives.
  • Integrate emerging technologies and monitor industry trends.
  • Lead and mentor R&D teams for technical excellence.
  • Oversee projects per DoD Cyber Security Strategy.
  • Interface with customers and leadership; deliver stakeholder reports.
  • Collaborate across stakeholders, subcontractors, and teams.

Basic Qualifications

  • 20+ years COMSEC experience in cryptographic modernization, key management, PKI.
  • Expertise in CM1/ACC/CM2, EKMS (all tiers), KMI, OTNK.
  • Master’s in engineering/CS/related; DoD 8570 cert (Security+ or higher).
  • TCP/IP, Unix/NT security knowledge; TS/SCI clearance required.

Preferred Qualifications

  • 30+ years COMSEC; Army program experience.
  • System engineering, software design, configuration management.
  • Heterogeneous networking and protocol standards.

Active TS/SCI required. Leidos outthinks and outpaces the status quo—join disruptors driving mission success.

Locations

  • Aberdeen Proving Ground, Maryland, United States

Salary

154,050 - 278,475 USD / yearly

Estimated Salary Rangehigh confidence

154,050 - 278,475 USD / yearly

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

Skills Required

  • COMSECintermediate
  • Cryptographic Modernization (CM1, ACC, CM2)intermediate
  • Electronic Key Management System (EKMS)intermediate
  • Key Management Infrastructure (KMI)intermediate
  • Public Key Infrastructure (PKI)intermediate
  • Over-The-Net Keying (OTNK)intermediate
  • TCP/IPintermediate
  • DoD 8570 Certificationintermediate
  • Unix/NT Security Administrationintermediate

Required Qualifications

  • 20+ years comprehensive COMSEC experience including cryptographic modernization, key management, and PKI (experience)
  • Master’s degree in engineering, computer science, electronics engineering, or related technical discipline (experience)
  • DoD 8570 certification (Security+ or higher) (experience)
  • Deep knowledge of TCP/IP, information security profiles, and Unix/NT networks (experience)
  • U.S. Citizenship with active TS/SCI clearance (experience)
  • Familiarity with Government security policies and auditing tools (experience)

Responsibilities

  • Develop and implement R&D strategies aligned with U.S. Army C5ISR mission objectives
  • Evaluate and integrate emerging technologies to drive cybersecurity innovation
  • Lead, mentor, and inspire R&D team fostering technical excellence
  • Oversee R&D projects ensuring alignment with DoD Cyber Security Strategy
  • Serve as primary interface between customer and Leidos leadership
  • 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 opportunities shaping Army technologies
  • general: Collaborative environment with talented professionals
  • general: Professional growth through challenging R&D projects
  • general: Competitive pay and career advancement at FORTUNE 500 company

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Jobs in Aberdeen Proving Ground MDLeidos CareersCybersecurity Jobs United StatesDefense R&DTS/SCI PositionsEngineeringInformation TechnologySecurity

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Leidos logo

Cyber Security Engineer SME - Careers at Leidos

Leidos

Cyber Security 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 company, leads in innovative technology solutions for national security, engineering, and health. We're seeking a Cyber Security Engineer SME for the CYBERTRON Program at Aberdeen Proving Ground, MD, delivering cutting-edge R&D for U.S. Army C5ISR against emerging cyber threats.

Why Join Leidos?

  • Impactful Work: Develop secure solutions to defeat cyber threats and protect national security.
  • Leadership Role: Mentor teams and shape Army cybersecurity future as technical expert.
  • Collaborative Culture: Thrive with top professionals in dynamic innovation environment.
  • Career Growth: Advance through rewarding, high-stakes projects at a mission-driven leader.

Key Responsibilities

  • Develop R&D strategies aligned with Army C5ISR objectives.
  • Integrate emerging technologies and monitor industry trends.
  • Lead and mentor R&D teams for technical excellence.
  • Oversee projects per DoD Cyber Security Strategy.
  • Interface with customers and leadership; deliver stakeholder reports.
  • Collaborate across stakeholders, subcontractors, and teams.

Basic Qualifications

  • 20+ years COMSEC experience in cryptographic modernization, key management, PKI.
  • Expertise in CM1/ACC/CM2, EKMS (all tiers), KMI, OTNK.
  • Master’s in engineering/CS/related; DoD 8570 cert (Security+ or higher).
  • TCP/IP, Unix/NT security knowledge; TS/SCI clearance required.

Preferred Qualifications

  • 30+ years COMSEC; Army program experience.
  • System engineering, software design, configuration management.
  • Heterogeneous networking and protocol standards.

Active TS/SCI required. Leidos outthinks and outpaces the status quo—join disruptors driving mission success.

Locations

  • Aberdeen Proving Ground, Maryland, United States

Salary

154,050 - 278,475 USD / yearly

Estimated Salary Rangehigh confidence

154,050 - 278,475 USD / yearly

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

Skills Required

  • COMSECintermediate
  • Cryptographic Modernization (CM1, ACC, CM2)intermediate
  • Electronic Key Management System (EKMS)intermediate
  • Key Management Infrastructure (KMI)intermediate
  • Public Key Infrastructure (PKI)intermediate
  • Over-The-Net Keying (OTNK)intermediate
  • TCP/IPintermediate
  • DoD 8570 Certificationintermediate
  • Unix/NT Security Administrationintermediate

Required Qualifications

  • 20+ years comprehensive COMSEC experience including cryptographic modernization, key management, and PKI (experience)
  • Master’s degree in engineering, computer science, electronics engineering, or related technical discipline (experience)
  • DoD 8570 certification (Security+ or higher) (experience)
  • Deep knowledge of TCP/IP, information security profiles, and Unix/NT networks (experience)
  • U.S. Citizenship with active TS/SCI clearance (experience)
  • Familiarity with Government security policies and auditing tools (experience)

Responsibilities

  • Develop and implement R&D strategies aligned with U.S. Army C5ISR mission objectives
  • Evaluate and integrate emerging technologies to drive cybersecurity innovation
  • Lead, mentor, and inspire R&D team fostering technical excellence
  • Oversee R&D projects ensuring alignment with DoD Cyber Security Strategy
  • Serve as primary interface between customer and Leidos leadership
  • 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 opportunities shaping Army technologies
  • general: Collaborative environment with talented professionals
  • general: Professional growth through challenging R&D projects
  • general: Competitive pay and career advancement at FORTUNE 500 company

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

Get personalized recommendations to optimize your resume specifically for Cyber Security 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 "Cyber Security 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 Jobs United StatesDefense R&DTS/SCI PositionsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Cyber Security 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.