Cybersecurity Systems Engineer

Leidos Holding$87K — $157K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 7+ years of Systems Engineering experience
  • Bachelor’s degree in relevant field or equivalent experience
  • Strong background in Information Assurance and/or Cryptographic systems
  • Exceptional written and verbal communication skills
  • Experience leading small technical teams
  • Active TS/SCI with Polygraph clearance

Responsibilities

  • Contribute to key systems engineering documentation development
  • Provide technical leadership in system development, integration, and testing
  • Lead requirements elicitation and analysis efforts
  • Conduct systems requirements reviews and assessments
  • Support DoD Certification & Accreditation process planning and analysis
  • Perform cybersecurity evaluation activities for device certification
  • Document security deficiencies and propose actionable recommendations

Benefits

  • Collaboration with multidisciplinary teams
  • Participation in security-focused meetings and technical reviews
  • Opportunities for professional development and growth
  • Involvement in impactful national defense projects
Full Job Description

What You’ll Do

As a trusted technical leader, you will:

  • Contribute to the development and evaluation of key systems engineering documentation, including:

    • Systems Engineering Plans

    • Initial Capabilities Documents

    • Requirements Specifications

    • Security requirements and security test documentation

  • Provide technical leadership across system development, integration, and testing activities

  • Lead requirements elicitation, analysis, and functional allocation efforts

  • Conduct systems requirements reviews and perform both technical and non-technical assessments

  • Support planning and test analysis for the DoD Certification & Accreditation (C&A) process and other Government C&A processes

  • Perform high-assurance cybersecurity evaluation activities for devices undergoing certification

  • Review and assess security artifacts to ensure compliance with stringent security requirements

  • Clearly document security deficiencies and provide actionable recommendations

  • Translate vulnerability insights into practical risk mitigation guidance

  • Recommend improvements to requirements, processes, and templates to strengthen overall security posture

  • Collaborate across teams and participate in security-focused meetings and technical reviews

What You Bring

  • 7 years of Systems Engineering experience

  • Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related field

    • (Five additional years of Systems Engineering experience may substitute for a degree)

  • Strong background in Information Assurance and/or Cryptographic systems

  • Exceptional written and verbal communication skills

  • Experience working in collaborative team environments and leading small technical teams

  • Active TS/SCI with Polygraph clearance

Bonus Experience

  • Experience supporting Space, Weapon, Ground, or Terminal system development or evaluation

  • Direct experience with DoD Certification & Accreditation (C&A) processes

  • Space Systems Engineering experience



Original Posting:
July 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.

Pay Range:
Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline onlyand 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

Leidos Holding Careers

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.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

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.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

Stay Connected

Stay informed with the latest career tips, industry insights, and company news from Leidos Holding. Subscribe to receive updates and be the first to know about new job opportunities, company developments, and more.

Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

SEARCH LEIDOS HOLDING JOBS

READ CAREERS BLOG

Job Alert Emails

Customize your subscription to receive job alerts and insider tips tailored to your preferences from Leidos Holding. See what exciting and rewarding opportunities await in your professional journey.
Learn more about Leidos Holding

Similar Jobs

More Jobs at Leidos Holding

More Aerospace & Defense Jobs

Find similar Cybersecurity Systems Engineer jobs: