Information Systems Security Engineer

Equities Innovation Market Data Cryptography Cyber Security Systems Design Risk Mitigation Ancient History Computer Science Security Testing Influencing Skills Systems Engineering Technical Leadership Information Assurance Engineering Management Cyber Security Systems Requirements Elicitation Vulnerability Management Verbal Communication Skills Influencing Without Authority Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), * 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, All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Related Jobs Information Systems Security Engineer Leidos

Linthicum, MD*On-Site

Planning Firewall Firmware Equities Mitigation CNSSI 1253 Market Data Gap Analysis Risk Analysis Risk Management Network Routing Ancient History Computer Science Security Systems Operating Systems Security Policies Network Protocols Information Privacy Networking Hardware Network Engineering Network Architecture Information Assurance Communications Systems Information Systems Security Security Requirements Analysis Certified Information Systems Security Professional Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0

Google IT Support Cybersecurity Systems Engineer Leidos

Linthicum Heights, MD*On-Site

Planning Equities Innovation Market Data Cryptography Cyber Security Systems Design Risk Mitigation Ancient History Computer Science Security Testing Influencing Skills Systems Engineering Technical Leadership Information Assurance Engineering Management Cyber Security Systems Requirements Elicitation Vulnerability Management Verbal Communication Skills Influencing Without Authority Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Information Systems Security Engineer Actalent

Columbia, MD*Remote

If you’re a seasoned Systems Engineer with deep cybersecurity expertise and a passion for safeguarding mission-critical systems, this is your opportunity to make a real impact., * 8 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, Hardening Visionary SonarQube DevSecOps Operations Leadership Innovation Mitigation Encryption Coordinating Fuzz Testing Communication Collaboration Cyber Security Prioritization Cloud Security Security Tools Attack Vectors Access Controls Threat Modeling Software Systems Security Controls Amazon CloudWatch Industry Standards Penetration Testing Amazon Web Services Information Privacy Continuous Delivery Continuous Integration Effective Communication Vulnerability Management Risk Management Framework Authorization (Computing) Engineering Design Process Information Systems Security Security Requirements Analysis Continuous Improvement Process Plan Of Action And Milestones (POA&M) Static Application Security Testing (SAST) Dynamic Application Security Testing (DAST) CompTIA Advanced Security Practitioner (CASP+) Certified Information Systems Security Professional Enterprise Mission Assurance Support Service (eMASS)

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Leidos is seeking a Cybersecurity Systems Engineer to support a highly complex Information Assurance program. In this role, you’ll work at the forefront of national security, ensuring advanced systems meet the highest standards of security, performance, and compliance.

This is more than a job - it’s a chance to influence system design, reduce risk, and protect critical capabilities from evolving threats., At Leidos, you’ll work alongside experts solving some of the nation’s toughest security challenges. We empower our engineers to lead, innovate, and influence mission outcomes in environments where excellence is not optional - it’s essential.

If you’re ready to bring your expertise to a program where your work truly matters, we’d love to hear from you., If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares., Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .